UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended ~~June~~September 30, 2022

☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission File Number: 001-40523

Elevation Oncology, Inc.

(Exact name of registrant as specified in its charter)

Delaware

84-1771427

(State or other jurisdiction of

incorporation or organization)

(I.R.S. Employer

Identification Number)

888 Seventh Ave.

12th Floor

New York, New York 10106

(Address of Principal Executive Offices)

(716) 371-1125

(Registrant’s telephone number)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☐	Accelerated filer	☐

Non-accelerated filer	☒	Smaller reporting company	☒	Emerging growth company	☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

Securities registered pursuant to Section 12(b) of the Act:


Title of Each Class	Trading symbol	Name of Exchange on which registered
Common stock, par value $0.0001 per share	ELEV	The Nasdaq Stock Market LLC

As of ~~July 29,~~October 28, 2022, there were ~~23,289,064~~23,300,796 shares of the registrant’s common stock outstanding.

Table of Contents

TABLE OF CONTENTS

		Page

Part I	Financial Information	4

Item 1.	Condensed Consolidated Financial Statements (unaudited)	4

	Condensed Consolidated Balance Sheets as of ~~June~~September 30, 2022 (unaudited) and December 31, 2021	4

	Condensed Consolidated Statements of Operations and Comprehensive Loss for the Three and ~~Six~~Nine Months Ended ~~June~~September 30, 2022 and 2021 (unaudited)	5

	Condensed Consolidated Statements of Convertible Preferred Stock and Stockholders’ Equity ~~(Deficit)~~ for the Three and ~~Six~~Nine Months Ended ~~June~~September 30, 2022 and 2021 (unaudited)	6

	Condensed Consolidated Statements of Cash Flows for the ~~Six~~Nine Months Ended ~~June~~September 30, 2022 and 2021 (unaudited)	8

	Notes to Condensed Consolidated Financial Statements (unaudited)	9

Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	2224

Item 3.	Quantitative and Qualitative Disclosures about Market Risk	3235

Item 4.	Controls and Procedures	3335

Part II	Other Information	3436

Item 1.	Legal Proceedings	3436

Item 1A.	Risk Factors	3436

Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	9294

Item 3.	Defaults Upon Senior Securities	9294

Item 4.	Mine Safety Disclosures	9294

Item 5.	Other Information	9294

Item 6.	Exhibits	9294

Exhibit Index		9395

Signatures		9497

Table of Contents

SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

This Quarterly Report on Form 10-Q, or Quarterly Report, contains forward-looking statements. In some cases, you can identify forward-looking statements by terms such as “believe,” “may,” “will,” “potentially,” “estimate,” “continue,” “anticipate,” “intend,” “could,” “would,” “project,” “plan,” “expect,” “predict,” “potential” and similar expressions that convey uncertainty of future events or outcomes, although not all forward-looking statements contain these words. These forward-looking statements are subject to a number of risks, uncertainties and assumptions, including those described in “Risk factors” and elsewhere in this filing. Moreover, we operate in a competitive and rapidly changing environment, and new risks emerge from time to time. It is not possible for our management to predict all risks, nor can we assess the impact of all factors on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statements we may make. In light of these risks, uncertainties and assumptions, the forward-looking events and circumstances discussed in this Quarterly Report may not occur and actual results could differ materially and adversely from those anticipated or implied in the forward-looking statements. The forward-looking statements in this Quarterly Report include, among other things, statements about:

●

our ability to develop, obtain regulatory approval and commercialize our product candidates;

●

the timing of our preclinical studies and clinical trials for our product candidates;

●

estimates of our addressable market and market growth;

●

our expectations regarding demand for, and market acceptance of, our product candidates;

●

our ability to maintain and expand access to human genetics data;

●

our ability to compete effectively with existing competitors and new market entrants;

●

the potential effects of extensive government regulations relating to our industry;

●

our ability to obtain, maintain, and protect and enforce intellectual property and proprietary rights;

●

our ability to operate our business without infringing, misappropriating or otherwise violating the intellectual property rights and proprietary technology of third parties;

●

our ability to establish and maintain collaborations, including our existing joint ventures;

●

our ability to expand our pipeline of product candidates;

●

our ability to attract and retain key management and technical personnel;

●

the effects of the COVID-19 pandemic on any of the above or any other aspect of our business operations; and

●

our expectations regarding expenses, future revenue, capital requirements, and our needs for additional financing.

The forward-looking statements made in this filing relate only to events or information as of the date on which the statements are made in this Quarterly Report. You should not rely upon forward-looking statements as predictions of future events. Although we believe that the expectations reflected in the forward-looking statements are reasonable, we cannot guarantee that the future results, levels of activity, performance or events and circumstances reflected in the forward-looking statements will be achieved or occur. We undertake no obligation to update publicly any forward-looking statements for any reason after the date of this Quarterly Report to conform these statements to actual results or to changes in our expectations, except as required by law. We intend the forward-looking statements contained in this Quarterly Report to be covered by the safe harbor provisions for forward-looking statements contained in Section 27A of the Securities Act of 1933, as amended, or the Securities Act, and Section 21E of the Securities Exchange Act of 1934, as amended, or the Exchange Act.

Table of Contents

PART I —FINANCIAL INFORMATION

Item 1. Condensed Consolidated Financial Statements (unaudited)

ELEVATION ONCOLOGY, INC.

Condensed Consolidated Balance Sheets

(in thousands, except share and per share data)

June 30,

December 31,


2022

2021



(unaudited)

(Note 2)
Assets






Current assets:




Cash and cash equivalents

$
53,882

$
146,284
Marketable securities, available for sale

68,660

0
Prepaid expenses and other current assets

1,143

3,140
Total current assets

123,685

149,424
Property and equipment, net

30

38
Other non-current assets

67

32
Total assets

$
123,782

$
149,494
Liabilities and Stockholders’ Equity




Current liabilities:




Accounts payable

$
1,296

$
5,648
Accrued expenses

17,798

3,141
Total current liabilities

19,094

8,789
Non-current liabilities:




Restricted stock repurchase liability

5

8
Total liabilities

19,099

8,797

Commitments and contingencies (see note 10)





Stockholders’ equity:




Preferred stock, $0.0001 par value; 10,000,000 shares authorized as of June 30, 2022 and December 31, 2021; 0 shares issued or outstanding as of June 30, 2022 and December 31, 2021, respectively

0

0
Common stock, $0.0001 par value; 500,000,000 shares authorized as of June 30, 2022 and December 31, 2021, respectively; 23,300,896 and 23,225,637 issued as of June 30, 2022 and December 31, 2021, respectively; 23,289,064 and 23,205,915 outstanding as of June 30, 2022 and December 31, 2021, respectively

2

2
Additional paid-in capital

197,368

195,881
Accumulated other comprehensive loss

(275)

0
Treasury stock; 19,095 shares as of June 30, 2022; at cost

(25)

0
Accumulated deficit

(92,387)

(55,186)
Total stockholders’ equity

104,683

140,697
Total liabilities and stockholders’ equity

$
123,782

$
149,494


	September 30,		December 31,
	2022		2021
		(unaudited)		(Note 2)
Assets
Current assets:
Cash and cash equivalents	$	52,589	$	146,284
Marketable securities, available for sale		55,270		—
Prepaid expenses and other current assets		2,215		3,140
Total current assets		110,074		149,424
Property and equipment, net		108		38
Other non-current assets		1,310		32
Total assets	$	111,492	$	149,494
Liabilities and Stockholders’ Equity
Current liabilities:
Accounts payable	$	5,665	$	5,648
Accrued expenses		9,435		3,141
Total current liabilities		15,100		8,789
Non-current liabilities:
Long-term debt, net of discount		29,268		—
Restricted stock repurchase liability		3		8
Total liabilities		44,371		8,797

Commitments and contingencies (see note 12)

Stockholders’ equity:
Preferred stock, $0.0001 par value; 10,000,000 shares authorized as of September 30, 2022 and December 31, 2021; no shares issued or outstanding as of September 30, 2022 and December 31, 2021, respectively		—		—
Common stock, $0.0001 par value; 500,000,000 shares authorized as of September 30, 2022 and December 31, 2021, respectively; 23,308,685 and 23,225,637 issued as of September 30, 2022 and December 31, 2021, respectively; 23,300,796 and 23,205,915 outstanding as of September 30, 2022 and December 31, 2021, respectively		2		2
Additional paid-in capital		198,632		195,881
Accumulated other comprehensive loss		(258)		—
Treasury stock; 23,868 shares as of September 30, 2022; at cost		(31)		—
Accumulated deficit		(131,224)		(55,186)
Total stockholders’ equity		67,121		140,697
Total liabilities and stockholders’ equity	$	111,492	$	149,494

The accompanying notes are an integral part of these condensed consolidated financial statements.

Table of Contents

ELEVATION ONCOLOGY, INC.

Condensed Consolidated Statements of Operations and Comprehensive Loss

(in thousands, except share and per share data)

(unaudited)


	Three months ended June 30,				Six months ended June 30,				Three months ended September 30,				Nine months ended September 30,
	2022		2021		2022		2021		2022		2021		2022		2021
Operating expenses:
Research and development	$	16,300	$	3,914	$	29,875	$	8,048	$	34,340	$	9,298	$	64,215	$	17,346
General and administrative		3,813		1,145		7,606		2,097		4,191		2,979		11,797		5,076
Total operating expenses		20,113		5,059		37,481		10,145		38,531		12,277		76,012		22,422
Loss from operations		(20,113)		(5,059)		(37,481)		(10,145)		(38,531)		(12,277)		(76,012)		(22,422)
Other income (expense), net		187		0		280		(5)		(306)		10		(26)		5
Net loss	$	(19,926)	$	(5,059)	$	(37,201)	$	(10,150)	$	(38,837)	$	(12,267)	$	(76,038)	$	(22,417)
Net loss per share, basic and diluted	$	(0.86)	$	(4.84)	$	(1.60)	$	(10.98)	$	(1.67)	$	(0.53)	$	(3.27)	$	(2.67)
Weighted average common shares outstanding, basic and diluted		23,258,759		1,046,228		23,237,600		924,131		23,290,249		23,114,715		23,255,343		8,402,277

Comprehensive loss:
Net loss	$	(19,926)	$	(5,059)	$	(37,201)	$	(10,150)	$	(38,837)	$	(12,267)	$	(76,038)	$	(22,417)
Other comprehensive loss:
Unrealized loss on marketable securities		(71)		0		(275)		0
Total other comprehensive loss		(71)		0		(275)		0
Other comprehensive gain (loss):
Unrealized gain (loss) on marketable securities										17		—		(258)		—
Total other comprehensive gain (loss)										17		—		(258)		—
Total comprehensive loss	$	(19,997)	$	(5,059)	$	(37,476)	$	(10,150)	$	(38,820)	$	(12,267)	$	(76,296)	$	(22,417)

The accompanying notes are an integral part of these condensed consolidated financial statements.

Table of Contents

ELEVATION ONCOLOGY, INC.

Condensed Consolidated Statements of Convertible Preferred Stock and Stockholders’ Equity ~~(Deficit)~~

(in thousands, except share data)

(unaudited)


														Accumulated																			Accumulated
	Series A Convertible			Series B Convertible						Additional				Other				Total		Series A Convertible			Series B Convertible						Additional				Other				Total
	Preferred Stock			Preferred Stock			Common Stock			Paid-in		Treasury		Comprehensive		Accumulated		Stockholders’		Preferred Stock			Preferred Stock			Common Stock			Paid-in		Treasury		Comprehensive		Accumulated		Stockholders’
	Shares	Amount		Shares	Amount		Shares	Amount		Capital		Stock		(loss)		Deficit		Equity (Deficit)		Shares	Amount		Shares	Amount		Shares	Amount		Capital		Stock		(loss)		Deficit		Equity
Balance at December 31, 2020	32,450,000	$	32,373	34,043,889	$	64,815	800,679	$	—	$	66	$	—	$	—	$	(23,147)	$	(23,081)	32,450,000	$	32,373	34,043,889	$	64,815	800,679	$	—	$	66	$	—	$	—	$	(23,147)	$	(23,081)
Vesting of restricted common stock	—		—	—		—	7,888		—		5		—		—		—		5	—		—	—		—	11,832		—		5		—		—		—		5
Stock-based compensation	—		—	—		—	—		—		223		—		—		—		223	—		—	—		—	—		—		882		—		—		—		882
Issuance of initial public offering common stock, net	(32,450,000)		(32,373)	(34,043,889)		(64,815)	21,986,053		2		188,338		—		—		—		188,340	(32,450,000)		(32,373)	(34,043,889)		(64,815)	22,389,460		2		194,237		—		—		—		194,239
Net loss	—		—	—		—	—		—		—		—		—		(10,150)		(10,150)	—		—	—		—	—		—		—		—		—		(22,417)		(22,417)
Balance at June 30, 2021	—	$	—	—	$	—	22,794,620	$	2	$	188,632	$	—	$	—	$	(33,297)	$	155,337
Balance at September 30, 2021																				—	$	—	—	$	—	23,201,971	$	2	$	195,190	$	—	$	—	$	(45,564)	$	149,628

Accumulated

Series A Convertible

Series B Convertible






Additional



Other




Total

Preferred Stock

Preferred Stock

Common Stock

Paid-in

Treasury

Comprehensive

Accumulated

Stockholders’


      Shares

   Amount

       Shares

   Amount

Shares

Amount

Capital

Stock

(loss)

Deficit

Equity (Deficit)
Balance at December 31, 2021

—

$
—

—

$
—

23,205,915

$
2

$
195,881

$
—

$
—

$
(55,186)

$
140,697
Vesting of restricted common stock

—

—

—

—

7,890

—

4

—

—

—

4
Issuance of common stock upon stock option exercises

—

—

—

—

44,105

—

19

—

—

—

19
Stock-based compensation

—

—

—

—

—

—

1,464

—

—

—

1,464
Common stock repurchase

—

—

—

—

31,154

—

—

(25)

—

—

(25)
Unrealized loss on marketable securities

—

—

—

—

—

—

—

—

(275)

—

(275)
Net loss

—

—

—

—

—

—

—

—

—

(37,201)

(37,201)
Balance at June 30, 2022

—

$
—

—

$
—

23,289,064

$
2

$
197,368

$
(25)

$
(275)

$
(92,387)

$
104,683


														Accumulated
	Series A Convertible			Series B Convertible						Additional				Other				Total
	Preferred Stock			Preferred Stock			Common Stock			Paid-in		Treasury		Comprehensive		Accumulated		Stockholders’
	Shares	Amount		Shares	Amount		Shares	Amount		Capital		Stock		(loss)		Deficit		Equity
Balance at December 31, 2021	—	$	—	—	$	—	23,205,915	$	2	$	195,881	$	—	$	—	$	(55,186)	$	140,697
Vesting of restricted common stock	—		—	—		—	11,833		—		5		—		—		—		5
Issuance of common stock upon stock option exercises	—		—	—		—	44,105		—		19		—		—		—		19
Stock-based compensation	—		—	—		—	—		—		2,347		—		—		—		2,347
Common stock repurchase	—		—	—		—	38,943		—		—		(31)		—		—		(31)
Warrant issuance	—		—	—		—	—		—		380		—		—		—		380
Unrealized loss on marketable securities	—		—	—		—	—		—		—		—		(258)		—		(258)
Net loss	—		—	—		—	—		—		—		—		—		(76,038)		(76,038)
Balance at September 30, 2022	—	$	—	—	$	—	23,300,796	$	2	$	198,632	$	(31)	$	(258)	$	(131,224)	$	67,121

The accompanying notes are an integral part of these condensed consolidated financial statements.

Table of Contents

ELEVATION ONCOLOGY, INC.

Condensed Consolidated Statements of Convertible Preferred Stock and Stockholders’ Equity ~~(Deficit)~~

(in thousands, except share data)

(unaudited)


														Accumulated													Accumulated
	Series A Convertible			Series B Convertible						Additional				Other				Total					Additional				Other				Total
	Preferred Stock			Preferred Stock			Common Stock			Paid-in		Treasury		Comprehensive		Accumulated		Stockholders’		Common Stock			Paid-in		Treasury		Comprehensive		Accumulated		Stockholders’
	Shares	Amount		Shares	Amount		Shares	Amount		Capital		Stock		(loss)		Deficit		Equity (Deficit)		Shares	Amount		Capital		Stock		(loss)		Deficit		Equity
Balance at March 31, 2021	32,450,000	$	32,373	34,043,889	$	64,815	804,623	$	—	$	133	$	—	$	—	$	(28,238)	$	(28,105)
Balance at June 30, 2021																				22,794,620	$	2	$	188,632	$	—	$	—	$	(33,297)	$	155,337
Issuance of Series A convertible preferred stock, net of issuance costs of $0																				—		—		—		—		—		—		—
Vesting of restricted common stock	—		—	—		—	3,944		—		3		—		—		—		3	3,944		—		1		—		—		—		1
Stock based compensation	—		—	—		—	—		—		158		—		—		—		158	—		—		659		—		—		—		659
Issuance of initial public offering common stock, net	(32,450,000)		(32,373)	(34,043,889)		(64,815)	21,986,053		2		188,338		—		—		—		188,340	403,407		—		5,898		—		—		—		5,898
Net loss	—		—	—		—	—		—		—		—		—		(5,059)		(5,059)	—		—		—		—		—		(12,267)		(12,267)
Balance at June 30, 2021	—	$	—	—	$	—	22,794,620	$	2	$	188,632	$	—	$	—	$	(33,297)	$	155,337
Balance at September 30, 2021																				23,201,971	$	2	$	195,190	$	—	$	—	$	(45,564)	$	149,628

																													��
														Accumulated													Accumulated
	Series A Convertible			Series B Convertible						Additional				Other				Total					Additional				Other					Total
	Preferred Stock			Preferred Stock			Common Stock			Paid-in		Treasury		Comprehensive		Accumulated		Stockholders’		Common Stock			Paid-in		Treasury		Comprehensive			Accumulated		Stockholders’
	Shares	Amount		Shares	Amount		Shares	Amount		Capital		Stock		(loss)		Deficit		Equity (Deficit)		Shares	Amount		Capital		Stock		(loss)			Deficit		Equity
Balance at March 31, 2022	—	$	—	—	$	—	23,253,966	$	2	$	196,529	$	—	$	(204)	$	(72,461)	$	123,866
Balance at June 30, 2022																				23,289,064	$	2	$	197,368	$	(25)	$	(275)		$	(92,387)	$	104,683
Vesting of restricted common stock	—		—	—		—	3,944		—		2		—		—		—		2	3,943		—		1		—		—			—		1
Stock based compensation	—		—	—		—	—		—		837		—		—		—		837	—		—		883		—		—			—		883
Common stock repurchase	—		—	—		—	31,154		—		—		(25)		—		—		(25)	7,789		—		—		(6)		—			—		(6)
Unrealized loss on marketable securities	—		—	—		—	—		—		—		—		(71)		—		(71)
Warrant issuance																				—		—		380		—		—			—		380
Unrealized gain on marketable securities																				—		—		—		—		17			—		17
Net loss	—		—	—		—	—		—		—		—		—		(19,926)		(19,926)	—		—		—		—		—			(38,837)		(38,837)
Balance at June 30, 2022	—	$	—	—	$	—	23,289,064	$	2	$	197,368	$	(25)	$	(275)	$	(92,387)	$	104,683
Balance at September 30, 2022																				23,300,796	$	2	$	198,632	$	(31)	$	(258)		$	(131,224)	$	67,121

The accompanying notes are an integral part of these condensed consolidated financial statements.

Table of Contents

ELEVATION ONCOLOGY, INC.

Condensed Consolidated Statements of Cash Flows

(in thousands)

(unaudited)

Six months ended June 30,


2022

2021
Operating activities






Net loss

$
(37,201)

$
(10,150)
Reconciliation of net loss to net cash used in operating activities:




Stock-based compensation

1,464

223
Accretion of premium and interest on marketable securities

10

0
Depreciation expense

9

10
Changes in operating assets and liabilities:




Prepaid expenses and other assets

1,963

453
Accounts payable

(4,353)

(4,992)
Accrued expenses

14,657

1,107
Net cash used in operating activities

(23,451)

(13,349)
Investing activities

Purchase of marketable securities

(85,245)

0
Proceeds from sales and maturities of marketable securities

16,300

0
Net cash used in investing activities

(68,945)

0
Financing activities




Proceeds from issuance of common stock upon initial public offering, net of issuance costs

0

91,977
Cash paid for issuance costs of convertible preferred stock

0

(11)
Proceeds from issuance of common stock upon stock option exercises

19

0
Common stock repurchase

(25)

0
Net cash (used in) provided by financing activities

(6)

91,966
(Decrease) increase in cash and cash equivalents

(92,402)

78,617
Cash and cash equivalents, beginning of period

146,284

79,400
Cash and cash equivalents, end of period

$
53,882

$
158,017
Supplemental disclosure of non-cash financing activities




Conversion of convertible preferred stock upon IPO

$
0

$
97,188
Deferred offering costs in accrued expenses

$
0

$
816
Common stock repurchase in accrued expenses

$
25

$
0


	Nine months ended September 30,
	2022		2021
Operating activities
Net loss	$	(76,038)	$	(22,417)
Reconciliation of net loss to net cash used in operating activities:
Stock-based compensation		2,347		882
Non-cash interest expense		118		—
Accretion of premium and interest on marketable securities		(34)		—
Depreciation expense		17		13
Changes in operating assets and liabilities:
Prepaid expenses and other assets		(352)		(1,826)
Accounts payable		14		(244)
Accrued expenses		6,294		2,339
Net cash used in operating activities		(67,634)		(21,253)
Investing activities
Purchases of property and equipment		(86)		—
Purchase of marketable securities		(98,493)		—
Proceeds from sales and maturities of marketable securities		43,000		—
Net cash used in investing activities		(55,579)		—
Financing activities
Proceeds from issuance of common stock upon initial public offering, net of issuance costs		—		97,062
Proceeds from issuance of long-term debt		30,000		—
Payment of debt issuance cost		(470)		—
Cash paid for issuance costs of convertible preferred stock		—		(11)
Proceeds from issuance of common stock upon stock option exercises		19		—
Common stock repurchase		(31)		—
Net cash provided by financing activities		29,518		97,051
(Decrease) increase in cash and cash equivalents		(93,695)		75,798
Cash and cash equivalents, beginning of period		146,284		79,400
Cash and cash equivalents, end of period	$	52,589	$	155,198
Supplemental disclosure of cash flow information
Interest paid	$	254	$	—
Supplemental disclosure of non-cash financing activities
Conversion of convertible preferred stock upon IPO	$	—	$	97,188

The accompanying notes are an integral part of these condensed consolidated financial statements.

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ELEVATION ONCOLOGY, INC.

Notes to Condensed Consolidated Financial Statements

(dollars in thousands, except share and per share data)

(unaudited)

1. Nature of Business

Elevation Oncology, Inc. (the “Company” or “Elevation”), which was formerly known as 14ner, Inc., was incorporated under the laws of the State of Delaware on April 29, 2019 (“Inception”). The Company is a clinical-stage biopharmaceutical company focused on the development of precision medicines for patients with genomically defined cancers. The Company acquired its most advanced product candidate, seribantumab, pursuant to an asset purchase agreement executed with Merrimack Pharmaceuticals, Inc. (the “previous sponsor”) during the period ended December 31, 2019 (see Note 9)11). Seribantumab ~~has been shown preclinically to inhibit tumor growth driven by NRG1 fusions and~~ is currently being tested in the Company’s Phase 2 CRESTONE clinical trial for patients with tumors of any origin that have an NRG1 fusion. During the period ended June 30, 2022, the Company presented initial clinical proof-of-concept data from Cohort 1 of the CRESTONE trial at the American Society of Clinical Oncology (ASCO) 2022 Annual Meeting. Additionally, the Company obtained exclusive worldwide rights outside of the People’s Republic of China, Hong Kong, Macau and Taiwan to develop and commercialize EO-3021, a clinical stage antibody drug conjugate targeting Claudin18.2, pursuant to a license agreement executed with CSPC Megalith Biopharmaceutical Co., Ltd., a subsidiary of CSPC Pharmaceutical Group Limited, during the period ended September 30, 2022 (see Note 11). The Company iscontinues to actively ~~evaluating~~evaluate opportunities for pipeline expansion, including prioritizing additional targeted therapy approaches in tumor types defined by genomic driver alterations.

Risks and uncertainties

The Company is subject to risks and uncertainties common to early-stage companies in the biotechnology industry, including, but not limited to, development by competitors of new technological innovations, dependence on key personnel, protection of proprietary technology, compliance with government regulations and the ability to secure additional capital to fund operations. Product candidates currently under development will require significant additional research and development efforts, including preclinical and clinical testing and regulatory approval, prior to commercialization. These efforts require significant amounts of additional capital, adequate personnel and infrastructure, and extensive compliance-reporting capabilities.

There can be no assurance that the Company’s research and development of its product candidates will be successfully completed, that adequate protection for the Company’s intellectual property will be obtained, that any products developed will obtain necessary government regulatory approval or that any approved products will be commercially viable. Even if the Company’s product development efforts are successful, it is uncertain when, if ever, the Company will generate significant revenue from product sales. The Company operates in an environment of rapid change in technology and substantial competition from pharmaceutical and biotechnology companies.

The ~~current~~ongoing COVID-19 pandemic has presented a substantial public health and economic challenge around the world and is affecting our employees, patients, communities and business operations, as well as contributing to significant volatility and negative pressure on the U.S. economy and in financial markets. The extent of the impact of COVID-19 on the Company’s operational and financial performance will continue to depend on certain developments, including the duration and spread of the outbreak, new variants, the vaccination and booster rate, impact on the Company’s clinical studies, employee or industry events, and effect on our suppliers and manufacturers, all of which are uncertain and cannot be predicted. COVID-19 has not had a significant impact on the operations or financial results of the Company to date.

Liquidity

The Company has historical losses from operations and anticipates that it will continue to incur losses for the foreseeable future as it continues the research and development of its product candidates. The Company incurred net losses of $~~19.9~~38.8 million and $~~5.1~~12.3 million for the three months ended ~~June~~September 30, 2022 and 2021, respectively, $~~37.2~~76.0 million and ~~$10.2~~$22.4 million for the ~~six~~nine months ended ~~June~~September 30, 2022 and 2021, respectively, and had an accumulated deficit of ~~$92.4~~ $131.2

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million as of ~~June~~September 30, 2022. Through ~~June~~September 30, 2022, the Company has funded its operations with proceeds from the sale of convertible preferred stock, ~~and~~ proceeds from the initial public offering (“IPO”) completed in June ~~2021.~~2021 and borrowings under loan agreements. The Company expects that its cash, cash equivalents and marketable securities will be sufficient to fund its operating expenses and capital expenditure requirements through at least 12 months from the issuance date of the condensed consolidated financial statements.

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The accompanying condensed consolidated financial statements have been prepared assuming that the Company will continue as a going concern, which contemplates the realization of assets and the settlement of liabilities and commitments in the normal course of business. The financial statements do not reflect any adjustments relating to the recoverability and reclassification of assets and liabilities that might be necessary if the Company is unable to continue as a going concern.

2. Basis of Presentation and Significant Accounting Policies

Principles of Consolidation

The condensed consolidated interim financial statements include the accounts of the Company and its wholly-owned subsidiary, Elevation Oncology Securities Corporation, which was established on November 19, 2021. All significant intercompany balances and transactions have been eliminated in consolidation.

Basis of presentation of unaudited interim consolidated financial statements

The condensed consolidated interim financial statements have been prepared in conformity with U.S. generally accepted accounting principles ("(“U.S. ~~GAAP"~~GAAP”). The accompanying unaudited condensed consolidated financial statements were prepared by the Company pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”) and, in the opinion of management, include all normal and recurring adjustments necessary to present fairly the results of the interim periods shown. The December 31, 2021 condensed consolidated balance sheet was derived from the December 31, 2021 audited consolidated financial statements. Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to such SEC rules and regulations. Management believes that the disclosures made are adequate to make the information presented not misleading. The results for the interim periods are not necessarily indicative of results to be expected for the fiscal year ending December 31, 2022.

The accompanying condensed consolidated interim financial statements should be read in conjunction with the Company’s audited consolidated financial statements and the notes thereto included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2021 (the “Annual Report”).

Significant accounting policies

Use of estimates

The preparation of the Company’s condensed consolidated interim financial statements in accordance with U.S. GAAP requires the use of estimates and assumptions, based on judgments considered reasonable, which affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of expenses during the reporting period. The Company bases its estimates and assumptions on known trends and events and various other factors that management believes to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying value of assets and liabilities that are not readily apparent from other sources. Changes in estimates are recorded in the period in which they become known. Due to the risks and uncertainties involved in the Company’s business and evolving market conditions and, given the subjective element of the estimates and assumptions made, actual results may differ from estimated results.

Deferred offering costs

The Company capitalizes certain legal, accounting and other third-party fees that are directly associated with in-process preferred stock, common stock financings or debt financings as deferred offering costs until such financings are consummated. After consummation of the equity financing, these costs are recorded as a reduction to the carrying value

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of convertible preferred stock, in stockholders’ equity ~~(deficit)~~ or debt as a reduction of additional paid-in capital generated or deduction of loan balance as a result of the offering. Should a planned equity financing or debt financing be abandoned, the deferred offering costs are expensed immediately as a charge to operating expenses in the consolidated statements of operations. ~~The Company had less than $0.1 million and $0.8 million of deferred offering costs for the six months ended June 30, 2022 and 2021, respectively.~~

10Deferred Financing Costs

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The incremental cost, including the fair value of warrants, directly associated with obtaining debt financing is capitalized as deferred financing costs upon the issuance of the debt and amortized over the term of the related debt agreement using the effective-interest method with such amortized amounts included as a component of interest expense in the consolidated statements of operations. Unamortized deferred financing costs are presented on the consolidated balance sheets as a direct deduction from the carrying amount of the related debt obligation.

Concentrations of credit risk and significant suppliers

Financial instruments that potentially subject the Company to concentration of credit risk consist of cash, cash equivalents and marketable securities. The Company’s money market funds are invested in highly rated funds. Periodically, the Company maintains deposits in accredited financial institutions in excess of federally insured limits. The Company has not experienced any losses on its deposits of cash and cash equivalents and does not believe that it is exposed to any unusual credit risk beyond the normal credit risk associated with commercial banking relationships.

The Company is dependent on third-party manufacturers to supply products for research and development activities of its programs, including preclinical and clinical testing. These programs could be adversely affected by a significant interruption in the supply of such drug substance and drug products. During each of the three and ~~six~~nine months ended ~~June~~September 30, 2022, the Company had 2one and three vendors that accounted for approximately ~~75%~~80% and ~~64%~~81% of its research and development expense, respectively. During ~~each of~~ the three ~~and six~~ months ended ~~June~~September 30, 2021, the Company had 2three vendors that ~~combined, represented~~accounted for approximately ~~70% of~~74% its research and development expense. During the nine months ended September 30, 2021, the Company had two vendors that accounted for approximately 58% its research and development expense. As of ~~June~~September 30, 2022, the Company had 1one vendor that accounted for approximately ~~47%~~85% of the total accounts payable. As of December 31, 2021, the Company had 1one vendor that accounted for approximately 74% of the total accounts payable.

Fair value measurements

Certain assets and liabilities are carried at fair value under U.S. GAAP. Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. Valuation techniques used to measure fair value must maximize the use of observable inputs and minimize the use of unobservable inputs. Financial assets and liabilities carried at fair value are to be classified and disclosed in one of the following three levels of the fair value hierarchy, of which the first two are considered observable and the last is considered unobservable:

•

Level 1—Quoted prices in active markets for identical assets or liabilities.

•

Level 2—Observable inputs (other than Level 1 quoted prices), such as quoted prices in active markets for similar assets or liabilities, quoted prices in markets that are not active for identical or similar assets or liabilities, or other inputs that are observable or can be corroborated by observable market data.

•

Level 3—Non-observable inputs that are supported by little or no market activity and that are significant to determining the fair value of the assets or liabilities, including pricing models, discounted cash flow methodologies and similar techniques.

The carrying amounts of certain of the Company’s financial instruments, including cash and cash equivalents, prepaid expenses and other current assets and accounts payable, approximate fair value due to the short-term nature of these items.

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Marketable Securities, Available for Sale

All marketable securities have been classified as “available-for-sale” and are carried at fair value, based upon quoted market prices. The Company considers its available-for-sale portfolio as available for use in current operations. Accordingly, the Company may classify certain investments as short-term marketable securities, even though the stated maturity date may be one year or more beyond the current balance sheet date.

Unrealized gains and losses, net of any related tax effects, are excluded from earnings and are included in other comprehensive income (loss) and reported as a separate component of stockholders’ equity (deficit) until realized. Interest income, realized gains and losses, and declines in value judged to be other than temporary, if any, on available-for-sale securities are included in other income, net. The cost of securities sold is based on the specific-identification method. The amortized cost of securities is adjusted for accretion of premiums and amortization of discounts to maturity. In accordance with the Company’s investment policy, management invests in money market funds, corporate bonds, commercial paper,

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asset-backed securities and government securities. The Company has not realized any losses on its marketable securities to date.

Comprehensive Income (Loss)

The Company’s only element of other comprehensive income (loss) is unrealized gains and losses on available-for-sale marketable securities.

Patent costs

The legal and professional costs incurred by the Company to maintain its patent rights are expensed and included as part of general and administrative expenses. As of ~~June~~September 30, 2022 and 2021, the Company has determined that these expenses have not met the criteria to be capitalized. Intellectual property related expenses for each of the three months ended ~~June~~September 30, 2022 and 2021 were ~~$0.1 million and~~ less than $0.1 ~~million, respectively.~~million. Intellectual property related expenses for the ~~six~~nine months ended ~~June~~September 30, 2022 and 2021 were $0.3 million and $0.2 million, respectively.

Recently adopted accounting pronouncements

In June 2016, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2016-13, Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Statements (“ASU 2016-13”). The new standard requires that expected credit losses relating to financial assets measured on an amortized cost basis and available-for-sale debt securities be recorded through an allowance for credit losses. It also limits the amount of credit losses to be recognized for available-for-sale debt securities to the amount by which carrying value exceeds fair value and also requires the reversal of previously recognized credit losses if fair value increases. The targeted transition relief standard allows filers an option to irrevocably elect the fair value option of ASC 825-10, Financial Instruments-Overall, applied on an instrument-by-instrument basis for eligible instruments. The Company adopted ASU 2016-13 on January 1, 2022, using the modified retrospective method for all financial assets measured at amortized cost. The adoption of ASU 2016-13 did not have a material impact on the Company’s financial position or results of operations upon adoption.

In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes. Among other items, the amendments in ASU 2019-12 simplify the accounting treatment of tax law changes and year-to-date losses in interim periods. An entity generally recognizes the effects of a change in tax law in the period of enactment; however, there is an exception for tax laws with delayed effective dates. Under current guidance, an entity may not adjust its annual effective tax rate for a tax law change until the period in which the law is effective. This exception was removed under ASU 2019-12, thereby providing that all effects of a tax law change are recognized in the period of enactment, including adjustment of the estimated annual effective tax rate. Regarding year-to-date losses in interim periods, an entity is required to estimate its annual effective tax rate for the full fiscal year at the end of each interim period and use that rate to calculate its income taxes on a year-to-date basis. However, current guidance provides an exception that when a loss in an interim period exceeds the anticipated loss for the year, the income tax benefit is limited to the amount that would be recognized if the year-to-date loss were the anticipated loss for the full year. ASU 2019-12 removes this exception and provides that in this situation, an entity would compute its income tax benefit at each interim period based on its estimated annual effective tax rate. ASU 2019-12 is effective for fiscal years beginning after December 15,

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2021, with early adoption permitted. The Company adopted ASU 2019-12 on January 1, 2022. The adoption of the standard did not have a material impact on the Company’s financial position, results of operations or cash flows.

In August 2020, the FASB issued ASU 2020-06, ASC Subtopic 470-20 “Debt-Debt with “Conversion and Other Options” and ASC subtopic 815-40 “Hedging-Contracts in Entity’s Own Equity”. The standard reduced the number of accounting models for convertible debt instruments and convertible preferred stock. Convertible instruments that continue to be subject to separation models are (1) those with embedded conversion features that are not clearly and closely related to the host contract, that meet the definition of a derivative, and that do not qualify for a scope exception from derivative accounting; and, (2) convertible debt instruments issued with substantial premiums for which the premiums are recorded as paid-in capital. ASU 2020-06 removes from U.S. GAAP the separation models for (1) convertible debt with a CCF and (2) convertible instruments with a beneficial conversion feature (“BCF”). With the adoption of ASU 2020-06, entities will not separately present in equity an embedded conversion feature these debts. The amendments in this update are effective for fiscal years beginning after December 15, 2021, including interim periods within those fiscal years, for public business entities that are not smaller reporting companies. Early adoption is permitted, but no earlier than fiscal years beginning after December 15, 2020, including interim periods within those fiscal years. For other entities, it is effective for fiscal years beginning after December 15, 2023. The Company has chosen to early adopt this standard on January 1, 2022. The adoption of ASU 2020-06 did not have a material impact on the Company’s financial position or results of operations.

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3. Fair Value Measurements of Financial Assets

The Company’s financial assets subject to fair value measurements on a recurring basis and the level of inputs used for such measurements were as follows (in thousands):


	As of June 30, 2022								As of September 30, 2022
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Marketable Securities
Asset-backed securities	$	—	$	9,599	$	—	$	9,599	$	—	$	3,199	$	—	$	3,199
Corporate debt securities		—		16,853		—		16,853		—		15,401		—		15,401
Commercial paper		—		25,146		—		25,146		—		33,674		—		33,674
U.S. Government debt securities		—		17,062		—		17,062		—		2,996		—		2,996
Total	$	—	$	68,660	$	—	$	68,660	$	—	$	55,270	$	—	$	55,270


	As of December 31, 2021
	Level 1		Level 2		Level 3		Total
Cash Equivalents:
Money market funds included in cash and cash equivalents	$	106,000	$	—	$	—	$	106,000

During the three and ~~six~~nine months ended ~~June~~September 30, 2022, ~~and December 31, 2021,~~ the Company had 0no transfers between Level 1, Level 2 or Level 3 financial assets.

4. Marketable Securities

The following table summarizes the Company’s marketable securities as of ~~June~~September 30, 2022 (in thousands). The Company did not hold any marketable securities as of December 31, 2021.


	As of June 30, 2022								As of September 30, 2022
	Amortized		Unrealized		Unrealized		Fair		Amortized		Unrealized		Unrealized		Fair
	Cost		gains		losses		value		Cost		gains		losses		value
Marketable Securities:
Asset-backed securities	$	9,638	$	0	$	(39)	$	9,599	$	3,203	$	—	$	(4)	$	3,199
Corporate debt securities		17,074		0		(221)		16,853		15,653		—		(252)		15,401
Commercial paper		25,146		0		0		25,146		33,674		—		—		33,674
U.S. Government debt securities		17,077		0		(15)		17,062		2,998		—		(2)		2,996
Total	$	68,935	$	0	$	(275)	$	68,660	$	55,528	$	—	$	(258)	$	55,270

5. Accrued Expenses

Accrued expenses consist of the following (in thousands):


	June 30,		December 31,		September 30,		December 31,
	2022		2021		2022		2021
Accrued preclinical and clinical trial costs	$	15,951	$	1,260	$	6,685	$	1,260
Accrued compensation		1,106		1,059		1,820		1,059
Accrued consulting		108		77		159		77
Accrued professional services		413		499		348		499
Accrued other		220		246		423		246
Total accrued expenses	$	17,798	$	3,141	$	9,435	$	3,141

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6. Convertible Preferred Stock

As of November 20, 2020, the Company had issued Series A and Series B convertible preferred stock (collectively, the “Convertible Preferred Stock”).

On June 29, 2021, upon the closing of the Company’s IPO, all outstanding convertible preferred stock automatically converted into shares of common stock.

7. Debt

K2 HealthVentures Loan and Security Agreement

In July 2022, the Company entered into a loan and security agreement (the “Loan Agreement”) with K2 HealthVentures LLC (together with its affiliates, “K2HV”, and together with any other lender from time to time party thereto, the “Lenders”), as administrative agent for the Lenders, and Ankura Trust Company, LLC, as collateral agent for the Lenders. The Loan Agreement provides up to $50.0 million principal in term loans (the “Term Loan”) consisting of a first tranche of $30.0 million funded at closing and a subsequent second tranche of up to $20.0 million upon the Company’s request before March 1, 2025, subject to review by the Lenders of certain information from the Company and discretionary approval by the Lenders.

In connection with entering into the Loan Agreement, the Company also issued to K2HV a warrant to purchase shares of common stock (see Note 8), which is an incremental cost to the Loan Agreement; thus, the allocated fair value of the warrant is recorded as part of the issuance cost (see Note 2).

The Term Loan will mature on August 1, 2026, with interest only payments for 30 months, and thereafter interest and principal payments for the remaining 18 months. It bears a variable interest rate equal to the greater of (i) 7.95% and (ii) the sum of (A) the prime rate last quoted in The Wall Street Journal (or a comparable replacement rate, as determined by the Lenders, if The Wall Street Journal ceases to quote such rate) and (B) 3.20%. Upon the final payment under the Loan Agreement, the Lenders are entitled to an end of term charge equal to 6.45% of the aggregate original principal amount of the term loans made pursuant to the Loan Agreement. The final payment fee is being accreted and amortized into interest expense using the effective interest rate method over the term of the loan. The effective interest is 11.19% for the first tranche. This could change given it is a variable interest rate facility.

The Company may prepay, at its option, all, but not less than all, of the outstanding principal balance and all accrued and unpaid interest with respect to the principal balance being prepaid of the term loans, subject to a prepayment premium as follows: 3% of the Loan amounts prepaid if such prepayment occurs in the first year after funding; 2% if such prepayment occurs in the second year after funding; 1% if such prepayment occurs in the third year after funding; and 0% thereafter.

The Lenders may elect at any time following the closing and prior to the full repayment of the term loans to convert any portion of the principal amount of the term loans then outstanding, up to an aggregate of $3.25 million in principal amount, into shares of the Company’s common stock, $0.0001 par value per share (“Common Stock”), at a conversion price of $2.6493, subject to customary 19.99% Nasdaq beneficial ownership limitations. The Company also granted registration rights to the Lenders with respect to shares received upon such conversion.

Further, the Lenders may elect to invest up to $5.0 million in future equity financings of the Company, provided such investment is limited to no more than 10% of the total amount raised in such equity financing.

The Loan Agreement contains customary representations and warranties, events of default and affirmative and negative covenants, including covenants that limit or restrict the Company’s ability to, among other things, dispose of assets, make changes to the Company’s business, management, ownership or business locations, merge or consolidate, incur additional indebtedness, pay dividends or other distributions or repurchase equity, make investments, and enter into certain transactions with affiliates, in each case subject to certain exceptions. The Loan Agreement also contains covenants requiring that that the Company maintain cash, cash equivalents and marketable securities balance of at least $25.0 million so long as the Company’s total market capitalization is less than $250.0 million.

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As security for its obligations under the Loan Agreement, the Company granted the Lenders a first priority security interest on substantially all of the Company’s assets (other than intellectual property), subject to certain exceptions.

The Company capitalized $0.9 million of debt issuance costs which consist of incremental cost incurred for the lenders and third-party legal firms as well as the fair value of the warrant issued in conjunction with the origination of the term loan. The book value of debt approximates its fair value given the variable interest rate. Long term debt and the unamortized discount balances are as follows (in thousands):


	September 30, 2022
Outstanding principal amount	$	30,000
Add: accreted liability of final payment fee		82
Less: unamortized debt discount, long term		(814)
Less: current portion of long-term debt – principal		—
Long-term debt, net of discount	$	29,268

The Company's total interest expense was $0.6 million for the nine months ended September 30, 2022. The followingsummarizes the components of total interest expense (in thousands):


Interest Paid or Accrued	$	471
Non-Cash amortization of Debt discount (Including Warrants)		36
Non-Cash accrued Back-end fee		82
	$	589

Scheduled future principal payments on total outstanding debt, as of September 30, 2022, are as follows (in thousands):


		Total
2023	$	—
2024		—
2025		17,851
2026		12,149
	$	30,000

The Company was in compliance with all covenants and requirements of its financing arrangements as of September 30, 2022.

8. Warrant

In connection with the Term Loan and Loan Agreement (see Note 7), the Company issued warrants to purchase 339,725 shares of the Company’s common stock with an exercise price of $1.3246 (the “Warrant”). K2HV may at any time and from time to time exercise this Warrant, in whole or in part, by delivering to the Company the original of this Warrant together with a duly executed Notice of Exercise.

The Company also granted registration rights to the Lenders with respect to shares issuable upon exercise of the Warrant.

All of the 339,725 shares are outstanding as of September 30, 2022.


	Shares	Initial Recognition Date	Exercise Price		Expiration Date
Warrant	339,725	July 27, 2022	$	1.3246	July 27, 2032

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The warrant’s allocated fair value upon issuance was estimated to be approximately $0.4 million, and was measured using a Black-Scholes option-pricing model with the following assumptions:




Stock price	$1.41
Strike price	$1.32
Volatility (annual)	75.30%
Risk-free rate	2.74%
Estimated time to expiration (years)	10
Dividend yield	—%

9. Equity

Preferred stock

The Company has authorized preferred stock amounting to 10,000,000 shares as of ~~June~~September 30, 2022 and December 31, 2021, respectively.

Common stock

As of ~~June~~September 30, 2022, the Company’s certificate of incorporation, as amended and restated, authorized the Company to issue 500,000,000 shares of $0.0001 par value common stock.

Each share of common stock entitles the holder to 1one vote on all matters submitted to a vote of the Company’s stockholders. Common stockholders are entitled to receive dividends, as may be declared by the board of directors, if any. No dividends have been declared or paid by the Company since its inception.

At-the-Market Offering

In July 2022, the Company entered into a Sales Agreement (the “Sales Agreement”) with Cowen and Company, LLC (“Cowen”), under which the Company may offer and sell, from time to time, shares of common stock having aggregate gross proceeds of up to $50.0 million (the “ATM Shares”). As of September 30, 2022, the Company has not sold any shares under the Sales Agreement.

8.10. Stock-Based Compensation

Stock-based compensation expense as reflected in the Company’s condensed consolidated statements of operations and comprehensive loss was as follows (in thousands):


	Three months ended June 30,				Six months ended June 30,				Three months ended September 30,				Nine months ended September 30,
	2022		2021		2022		2021		2022		2021		2022		2021
Research and development	$	191	$	47	$	274	$	74	$	211	$	83	$	485	$	157
General and administrative		646		111		1,190		149		672		576		1,862		725
Stock-based compensation expense included in operating expenses	$	837	$	158	$	1,464	$	223	$	883	$	659	$	2,347	$	882

2021 Equity Incentive Plan

The Company has two equity incentive plans: the 2019 Equity Incentive Plan (“2019 Plan”), and the 2021 Equity Incentive Plan (“2021 Plan”). New awards can only be granted under the 2021 Plan, under which the Company is able to issue equity awards to employees, board members, consultants, and advisors. The 2021 Plan became effective on June 24, 2021, the date the prospectus related to the Company's IPO was deemed effective by the SEC. The 2021 Plan authorizes the award of stock options, restricted stock awards (“RSAs”), stock appreciation rights (“SARs”), restricted stock units (“RSUs”), cash awards, performance awards and stock bonus awards. The Company ~~has~~ initially reserved 1,483,445 shares of its common stock, plus any reserved shares not issued or subject to outstanding grants under the 2019 Plan on the effective date of the 2021 Plan, for issuance pursuant to awards granted under the 2021 Plan. Of this amount, 1,676,579 shares were available for future grants as of June 30, 2022. The number of shares reserved for issuance under the 2021 Plan will increase automatically on January 1 of each of 2022 through 2031 by the number of shares equal to the lesser of 5% of the aggregate number of outstanding shares of the Company’s common stock as of the immediately preceding December 31, or a number as may be determined by the Company’s board of directors in any particular year. As such, 1,160,296 shares were added to the Plan in January 2022.

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stock, plus any reserved shares not issued or subject to outstanding grants under the 2019 Plan on the effective date of the 2021 Plan, for issuance pursuant to awards granted under the 2021 Plan. The number of shares reserved for issuance under the 2021 Plan will increase automatically on January 1 of 2022 through 2031 by the number of shares equal to the lesser of 5% of the aggregate number of outstanding shares of the Company’s common stock as of the immediately preceding December 31, or a number as may be determined by the Company’s board of directors in any particular year. As such, 1,160,296 shares were added to the Plan in January 2022. As of September 31, 2022, 1,484,779 shares remained available for future issuance under the 2021 Plan.

2021 Employee Stock Purchase Plan

The Company has adopted the Employee Stock Purchase Plan (“ESPP”) which became effective June 24, 2021, the date the prospectus related to the Company's IPO was deemed effective by the SEC, to enable eligible employees to purchase shares of its common stock with accumulated payroll deductions at a discount beginning on a date to be determined by the board of directors or compensation committee. The ESPP is intended to qualify under Section 423 of the Code. The Company ~~has~~ initially reserved 228,222 shares of its common stock for sale under the ESPP. The aggregate number of shares reserved for sale under the ESPP will increase automatically on January 1st ~~of each~~ of 2022 through 2031 by the number of shares equal to the lesser of 1% of the total outstanding shares of the Company’s common stock as of the immediately preceding December 31 (rounded to the nearest whole share) or a number of shares as may be determined by the Company’s board of directors in any particular year. As such, 232,059 shares were added to the Plan in January 2022. As of ~~June~~September 30, 2022, no offering periods have commenced, and 460,281 shares remained available for future issuance under the ESPP.

The aggregate number of shares issued over the term of the ESPP, subject to stock splits, recapitalizations or similar events, may not exceed 4,564,440 shares of the Company’s common stock.

Stock options

The following is a summary of the Company’s stock option activity for the ~~six~~nine months ended ~~June~~September 30, 2022:


		Weighted-		Weighted- average	Aggregate			Weighted-		Weighted- average	Aggregate
		average		remaining contractual	intrinsic value			average		remaining contractual	intrinsic value
	Options	exercise price		term (in years)	(in thousands)		Options	exercise price		term (in years)	(in thousands)
Outstanding at December 31, 2021	3,021,799	$	3.71	8.94	$	10,903	3,021,799	$	3.71	8.94	$	10,903
Granted	1,436,995		3.32				1,628,795		3.06
Exercised	(44,105)		0.43				(44,105)		0.43
Cancelled	(232,987)		4.24				(232,987)		4.24
Outstanding at June 30, 2022	4,181,702		3.58	9.07	$	697
Vested at June 30, 2022	1,097,333		2.53	8.65	$	435
Vested and expected to vest at June 30, 2022	4,181,702	$	3.58	9.07	$	697
Outstanding at September 30, 2022							4,373,502		3.47	8.86	$	477
Vested at September 30, 2022							1,189,491		1.95	8.66	$	316
Vested and expected to vest at September 30, 2022							4,373,502	$	3.47	8.86	$	477

The following is a summary of the Company’s stock option activity for the ~~six~~nine months ended ~~June~~September 30, 2021:

Weighted-

Weighted- average

Aggregate

average

remaining contractual

intrinsic value

Options

exercise price

term ( in years)

(in thousands)
Outstanding at December 31, 2020

1,761,062

$
0.95

9.54

$
723
Granted

1,016,337

7.84

—

8,292
Outstanding at June 30, 2021

2,777,399

3.47

9.36

$
34,797
Vested at June 30, 2021

337,190

0.49

8.49

$
5,217
Vested and expected to vest at June 30, 2021

2,777,399

$
3.47

9.36

$
34,797

The weighted average grant-date fair value of stock options granted during the six months ended June 30, 2022 and 2021 was $2.22 and $5.17 per share, respectively. The fair value of each stock option was estimated using a Black-Scholes option-pricing model with the following assumptions:

Three months ended June 30,

Six months ended June 30,

2022

2021

2022

2021

Risk-free interest rate

2.84 - 3.34
%
0.96 - 1.09
%

1.62 - 3.34
%
0.95 - 1.09
%
Volatility

75 - 80
%
77
%

75 - 80
%
77
%
Dividend yield

0.00
%
0.00
%

0.00
%
0.00
%
Expected term (years)

6

6

6

6


		Weighted-		Weighted- average	Aggregate
		average		remaining contractual	intrinsic value
	Options	exercise price		term ( in years)	(in thousands)
Outstanding at December 31, 2020	1,761,062	$	0.95	9.54	$	723
Granted	1,088,000		7.78	—		3,087
Outstanding at September 30, 2021	2,849,062		3.56	9.13	$	12,056
Vested at September 30, 2021	398,157		0.96	8.30	$	2,805
Vested and expected to vest at September 30, 2021	2,849,062	$	3.56	9.13	$	12,056

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The weighted average grant-date fair value of stock options granted during the nine months ended September 30, 2022 and 2021 was $2.04 and $5.07 per share, respectively. The fair value of each stock option was estimated using a Black-Scholes option-pricing model with the following assumptions:


	Three months ended September 30,				Nine months ended September 30,
	2022		2021		2022		2021
Risk-free interest rate	2.71 - 3.47	%	1.19	%	1.62 - 3.47	%	0.95 - 1.19	%
Volatility	72	%	76	%	72 - 80	%	76 - 77	%
Dividend yield	0.00	%	0.00	%	0.00	%	0.00	%
Expected term (years)	6		6		6		6

The fair value of options that vested during the ~~six~~nine months ended ~~June~~September 30, 2022 and 2021 was ~~$1.2~~$1.5 million and ~~$0.1~~$0.3 million, respectively. The Company recorded stock-based compensation expense associated with stock option awards of ~~$1.1~~$1.7 million and ~~less than $0.2~~$0.7 million during the ~~six~~nine months ended ~~June~~September 30, 2022 and 2021, respectively. As of ~~June~~September 30, 2022, there was ~~$7.7~~$7.2 million of total unrecognized compensation cost related to unvested stock-based awards, which the Company expects to recognize over a remaining weighted-average period of ~~3.0~~2.8 years.

Restricted Common Stock

The terms of the 2019 Plan permitted certain option holders to exercise options before their options were vested, subject to certain limitations. Upon early exercise, the awards become subject to a restricted stock agreement and are subject to the same vesting provisions in the original stock option awards. Shares issued as a result of early exercise that have not vested are subject to repurchase by the Company upon termination of the purchaser’s employment, at the lesser of the price paid by the purchaser or the fair value of the shares at the time of repurchase. Such shares are not deemed to be issued for accounting purposes until they vest and are therefore excluded from shares outstanding until the repurchase right lapses and the shares are no longer subject to the repurchase feature. The liability is reclassified as common stock and additional paid-in capital as the shares vest and the repurchase right lapses. Accordingly, the Company has recorded the unvested portion of the exercise proceeds of less than $0.01 million as a liability from the early exercise in the accompanying condensed consolidated balance sheets as of ~~June~~each of September 30, 2022 and December 31, ~~2021, respectively.~~2021. The Company recorded stock-based compensation expense associated with restricted common stock of less than $0.1 million during each of the three and ~~six~~nine months ended ~~June~~September 30, 2022 and ~~2021, respectively.~~2021.

Restricted Stock Units

The Company issues RSUs to employees that generally vest over a four-year period with 25% of awards vesting after one year and then quarterly thereafter. Any unvested shares will be forfeited upon termination of services. The fair value of an RSU is equal to the fair market value price of the Company’s common stock on the date of grant. RSU expense is amortized straight-line over the vesting period.

The following table summarizes activity related to ~~restricted stock units:~~RSUs:


		Weighted- average			Weighted- average
		grant date			grant date
	Number of shares	fair value		Number of shares	fair value
Unvested at December 31, 2021	200,996	$	16.00	200,996	$	16.00
Granted	—		0	—		—
Vested	(50,249)			(62,811)	$	16.00
Unvested at June 30, 2022	150,747	$	16.00
Unvested at September 30, 2022				138,185	$	16.00

The Company recorded stock-based compensation expense of $0.2 million and ~~$0.4~~$0.6 million for the three and ~~six~~nine months ended ~~June~~September 30, 2022, related to RSUs, respectively. As of ~~June~~September 30, 2022, the total unrecognized expense related to all RSUs was ~~$2.4~~$2.2 million, which the Company expects to recognize over a weighted-average period of ~~2.9~~2.7 years.

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In connection with the vesting of RSUs, the Company adopted a net settlement method whereby shares of Common Stock are withheld to satisfy tax withholding and remittance obligations. During the ~~three~~nine months ended ~~June~~September 30, 2022, the Company withheld ~~19,095~~23,868 shares, which are held in Treasury Stock, for less than $0.1 million.

9.11. Asset Purchase and License Agreements

Asset Purchase Agreement

In May 2019, the Company entered into an asset purchase agreement with the previous sponsor, pursuant to which it acquired all rights and interest to patents, know-how, and inventory for assets related to seribantumab, a fully humanized immunoglobulin G2 monoclonal antibody against HER3.

Pursuant to the asset purchase agreement, the Company made an upfront, non-refundable payment of $3.5 million at closing. If the Company succeeds in developing and commercializing seribantumab, the Company may be obligated to pay the previous sponsor up to $54.5 million in development, regulatory and sales milestone payments.

~~Table of Contents~~

Under the terms of the asset purchase agreement, the Company assumed the rights and obligations of the following collaboration and license agreements previously held by the previous sponsor:

●

Dyax—The Company assumed all rights and obligations provided for under the amended and restated collaboration agreement executed between Dyax Corp. (“Dyax”) and the previous sponsor (the “Dyax Agreement”). Pursuant to the Dyax Agreement, Dyax utilized its proprietary phage technology to identify antibodies that would bind to targets of interest to the previous sponsor. Additionally, Dyax granted to the previous sponsor a ~~world-wide,~~worldwide, non-exclusive, ~~royalty free~~royalty-free right to use and make any and all of the antibodies identified by Dyax for certain research purposes. Seribantumab was identified as a result of the research activities performed under the Dyax Agreement.

Pursuant to the terms of the Dyax Agreement, the Company may be obligated to pay Dyax milestone payments of up to approximately $9.3 million if certain development and regulatory milestones are achieved. In addition, Dyax is entitled to mid-single digit royalties based on net sales of seribantumab. The Company’s obligation to pay royalties to Dyax continues on a product-by-product and country-by-country basis until the later of a specified number of years after the first commercial sale in such country and the expiration of the patent rights covering seribantumab in such country.

The Dyax Agreement will remain in effect, unless earlier terminated, for so long as the Company continues to develop or commercialize seribantumab. Either party may terminate the agreement in the event of an uncured material breach by the other party. The Company also has the right to terminate the agreement in its entirety or on a product-by-product basis at any time upon 90 days’ prior written notice.

●

Ligand Pharmaceuticals—The Company assumed all rights and obligations provided for under the amended commercial license agreement executed between Selexis SA (“Selexis”) and the previous sponsor (the “Selexis Agreement”). Pursuant to the Selexis Agreement, the Company received non-exclusive rights to technology for use in the manufacture of seribantumab and may be required to make milestone payments of up to approximately €900, per licensed product, if certain development and regulatory milestones are achieved. Additionally, Selexis may have the right to obtain a royalty of the greater of €0.2 million annually and less than 1one percent on net sales of seribantumab. The obligation to pay royalties with respect to each product sold in a country continues until the expiration of the patent rights covering the product in such country. Either party may terminate the agreement in the event of an uncured material breach by the other party. The Company also has the right to terminate the agreement at any time upon 60 days’ prior written notice. In November of 2021, the Selexis agreement was assigned to Ligand Pharmaceuticals Incorporated.

●

National Institute of Health—The Company assumed all rights and obligations provided for under the amended commercial license agreement executed between the U.S. Public Health Service, a division of the U.S. Department of Health and Human Services (the “NIH”) and the previous sponsor (the “NIH Agreement”).

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Pursuant to the NIH Agreement, the Company received non-exclusive rights in the United States to patents related to certain antibodies associated with seribantumab. If certain development and regulatory milestones are achieved, the Company may be obligated to pay NIH additional milestone payments of up to approximately $0.4 million per licensed product.

The Company evaluated the asset purchase agreement with the previous sponsor under ASC Topic 805, Business Combinations, and concluded that the transaction did not meet the requirements to be accounted for as a business combination and therefore was accounted for as an asset acquisition. Accordingly, the upfront payment of $3.5 million was expensed as research and development expenses in the statement of operations for the year ended December 31, 2019. Additionally, the Company concluded that all consideration to be paid under the asset purchase agreement is contingent in nature and will be recognized when the respective contingency is resolved. The Company assessed the contingent events which would result in the payment of a milestone as of ~~June~~September 30, 2022 and 2021, and concluded 0no such payments were required.

CSPC License Agreement

In July 2022, the Company entered into a license agreement (the “CSPC License Agreement”) with CSPC Megalith Biopharmaceutical Co., Ltd., a subsidiary of CSPC Pharmaceutical Group Limited (the “Licensor”), with an effective date of July 27, 2022 (the “Effective Date”), pursuant to which the Licensor granted to the Company a worldwide exclusive right and license (outside of the People’s Republic of China, Hong Kong, Taiwan, and Macau (such worldwide territory excluding the foregoing, the “Territory”)) under certain patents identified in the CSPC License Agreement (the “Licensed Patents”) and know-how (collectively, the “Licensed IP”) to develop and commercialize products (“Licensed Products”) containing EO-3021 (SYSA1801) (the “Licensed Compound”) in the treatment of cancer (the “Field”).

Subject to certain conditions set forth in the CSPC License Agreement, the Company may grant sublicenses (including the right to grant further sublicenses) to its rights under the CSPC License Agreement to any of its affiliates or any third party. Either party to the CSPC License Agreement may assign its rights under the CSPC License Agreement (i) in connection with the sale or transfer of all or substantially all of its assets to a third party, (ii) in the event of a merger or consolidation with a third party or (iii) to an affiliate; in each case contingent upon the assignee assuming in writing all of the obligations of its assignor under the CSPC License Agreement.

Under the terms of CSPC License Agreement, the Company paid to the Licensor a one-time upfront license fee of $27.0 million, and is required to pay to the Licensor milestone payments of up to $148.0 million following the achievement of certain development and regulatory milestones and additional milestone payments of up to approximately $1.0 billion following the achievement of certain commercial milestones.

During the Term (as defined below), the Company is also required to pay to the Licensor (i) royalties ranging from mid-single digits through low double digits on net sales of each Licensed Product and (ii) a percentage of non-royalty sublicense income received by the Company of up to an aggregate of $50.0 million.

Under the terms of the CSPC License Agreement, the development of the Licensed Compound and the first Licensed Product for the Territory will be governed by a clinical development plan, including anticipated timeline goals in connection with the clinical trials for the first Licensed Product (the “Development Plan”). The Development Plan may be amended by a joint steering committee established by the Company and the Licensor.

The Company will purchase Licensed Products for any clinical or commercial supply from the Licensor under the terms of a supply agreement. Until the Company has completed the first Phase 2 clinical trial for the first Licensed Product in the United States, the Licensor shall supply the Licensed Compound to the Company for clinical purposes as the Company requests, but only to the extent necessary for the Company to conduct such clinical trial, at no cost to the Company.

The CSPC License Agreement will expire automatically upon the expiration of the last royalty term of the last Licensed Product (the “Term”), with each royalty term expiring on a country-by-country basis upon the later of: (i) the expiration or abandonment of the last-to-expire Licensed Patent covering a Licensed Product; (ii) 10 years after the date of first

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commercial sale in the applicable country; and (iii) expiration of regulatory exclusivity for the Licensed Product in the applicable country. Following the expiration of the Term, the License will become non-exclusive and fully-paid.

The CSPC License Agreement may be terminated by the Company for any reason upon 180 days prior written notice to the Licensor. The Licensor may terminate the CSPC License Agreement if the Company or any sublicensee commences an action challenging the Licensed Patents or following the occurrence of certain change of control transactions. Either party may terminate the CSPC License Agreement (i) for an uncured material breach of the CSPC License Agreement by the other party or (ii) if, at any time, the other party undergoes certain bankruptcy, insolvency or dissolution proceedings.

Other Research Arrangements

In June 2021, the Company entered into a collaboration agreement with Caris (the “Caris Agreement”). Under the terms of the Caris Agreement, Caris will identify targets for the collaboration and provide those targets to the Company at regular intervals for review and approval. Once a target is selected by the collaboration’s joint steering committee, the collaboration will retain access to the selected targets.

The financial terms surrounding development and commercialization of each product candidate identified for the collaboration and included in the Caris Agreement vary based on the level of participation elected by each party in the development and commercialization efforts following identification of a target. There are 0no upfront or milestone payments or royalties due to either party under the collaboration. With respect to proceeds from any potential commercial transaction related to a product resulting from the collaboration, Caris will be entitled to a tiered initial percentage ranging from the mid-single digits to low teens based on the product candidate’s potential peak sales revenue with the remaining proceeds allocated based on each party’s pro rata share of expenses incurred in development of the product. In the case of an out-licensing transaction of an asset instead of a sale, Caris and the Company will split all consideration received in the transaction in a similar manner. The Caris Agreement provides flexibility for Caris and the Company to jointly develop and commercialize, or for either the Company or Caris to incur development and commercialization expenses. The ultimate percentage of proceeds payable to the Company and Caris will depend on the level of development and commercialization participation elected by each party.

The Company will own the intellectual property rights to the therapeutics developed under the collaboration, and Caris will own the intellectual property rights to the diagnostics developed under the collaboration.

Either party may terminate the Caris Agreement for uncured material breach by the other party or in the case of the other party’s insolvency. The term of the Caris Agreement is three years, automatically renewing for one-year terms. Either party may terminate the agreement at the end of a term by written notice to the other, subject to the continuation of exclusivity with respect to any target selected by the Joint Steering Committee, so long as commercially reasonable efforts are used to discover, identify, develop and/or commercialize a therapeutic related to such target.

~~10.~~12. Commitments and Contingencies

The Company, from time to time, may be involved in legal proceedings, regulatory actions, claims and litigation arising in the ordinary course of business. The Company was not a defendant in any lawsuits as of ~~June~~September 30, 2022.

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~~11.~~13. Net Loss Per Share

The following table summarizes the computation of basic and diluted net loss per share of the Company (in thousands, except share and per share data):


	Three months ended				Six months ended				Three months ended				Nine months ended
	June 30,				June 30,				September 30,				September 30,
	2022		2021		2022		2021		2022		2021		2022		2021
Net loss	$	(19,926)	$	(5,059)	$	(37,201)	$	(10,150)	$	(38,837)	$	(12,267)	$	(76,038)	$	(22,417)
Weighted average common stock outstanding, basic and diluted		23,258,759		1,046,228		23,237,600		924,131		23,290,249		23,114,715		23,255,343		8,402,277
Net loss per share, basic and diluted	$	(0.86)	$	(4.84)	$	(1.60)	$	(10.98)	$	(1.67)	$	(0.53)	$	(3.27)	$	(2.67)

The Company’s potentially dilutive securities, which include ~~convertible preferred stock,~~ options to purchase common stock and unvested restricted stock, have been excluded from the computation of diluted net loss per share as the effect would be to reduce the net loss per share. Therefore, the weighted average number of common shares outstanding used to calculate both basic and diluted net loss per share is the same. The Company excluded the following potential common shares, presented based on amounts outstanding at each period end, from the computation of diluted net loss per share for the ~~periods indicated~~three and nine months ended September 2022 and 2021 because including them would have had an anti-dilutive effect:


	June 30,		September 30,
	2022	2021	2022	2021
Outstanding stock options	4,181,702	2,777,399	4,373,502	2,849,062
Unvested restricted stock	15,776	27,610	11,833	23,666
Unvested RSUs	200,996	200,996	138,185	200,996
Warrant			339,725	—
	4,398,474	3,006,005	4,863,245	3,073,724

~~12. Subsequent Events~~

~~At-the-Market Offering~~

In July 2022, the Company entered into a Sales Agreement (the “Sales Agreement”) with Cowen and Company, LLC (“Cowen”), under which we may offer and sell, from time to time, shares of common stock having aggregate gross proceeds of up to $50.0 million (the “ATM Shares”). The Company will pay Cowen a commission of up to 3% of the gross proceeds of any sales of the ATM Shares pursuant to the Sales Agreement.

~~CSPC License Agreement~~

In July 2022, the Company entered into a license agreement (the “License Agreement”) with CSPC Megalith Biopharmaceutical Co., Ltd., a subsidiary of CSPC Pharmaceutical Group Limited (the “Licensor”), with an effective date of July 27, 2022 (the “Effective Date”), pursuant to which the Licensor granted to the Company a worldwide exclusive right and license (outside of the People’s Republic of China, Hong Kong, Taiwan, and Macau (such worldwide territory excluding the foregoing, the “Territory”)) under certain patents identified in the License Agreement (the “Licensed Patents”) and know-how (collectively, the “Licensed IP”) to develop and commercialize products (“Licensed Products”) containing EO-3021 (SYSA1801) (the “Licensed Compound”) in the treatment of cancer (the “Field”).

Subject to certain conditions set forth in the License Agreement, the Company may grant sublicenses (including the right to grant further sublicenses) to its rights under the License Agreement to any of its affiliates or any third party. Either party to the License Agreement may assign its rights under the License Agreement (i) in connection with the sale or transfer of all or substantially all of its assets to a third party, (ii) in the event of a merger or consolidation with a third party or (iii) to an affiliate; in each case contingent upon the assignee assuming in writing all of the obligations of its assignor under the License Agreement.

~~Table of Contents~~

Under the terms of License Agreement, the Company is required to pay to the Licensor a one-time upfront license fee of $27.0 million, milestone payments of up to $148.0 million following the achievement of certain development and regulatory milestones, and additional milestone payments of up to approximately $1.0 billion following the achievement of certain commercial milestones.

Under the terms of the License Agreement, the development of the Licensed Compound and the first Licensed Product for the Territory will be governed by a clinical development plan, including anticipated timeline goals in connection with the clinical trials for the first Licensed Product (the “Development Plan”). The Development Plan may be amended by a joint steering committee established by the Company and the Licensor.

The License Agreement will expire automatically upon the expiration of the last royalty term of the last Licensed Product (the “Term”), with each royalty term expiring on a country-by-country basis upon the later of: (i) the expiration or abandonment of the last-to-expire Licensed Patent covering a Licensed Product; (ii) 10 years after the date of first commercial sale in the applicable country; and (iii) expiration of regulatory exclusivity for the Licensed Product in the applicable country. Following the expiration of the Term, the License will become non-exclusive and fully-paid.

The License Agreement may be terminated by the Company for any reason upon 180 days prior written notice to the Licensor. The Licensor may terminate the License Agreement if the Company or any sublicensee commences an action challenging the Licensed Patents or following the occurrence of certain change of control transactions. Either party may terminate the License Agreement (i) for an uncured material breach of the License Agreement by the other party or (ii) if, at any time, the other party undergoes certain bankruptcy, insolvency or dissolution proceedings.

~~K2 HealthVentures Loan and Security Agreement~~

In July 2022, the Company entered into a loan and security agreement (the “Loan Agreement”) with K2 HealthVentures LLC (“K2HV”, together with any other lender from time to time party thereto, the “Lenders”), as administrative agent for the Lenders, and Ankura Trust Company, LLC, as collateral agent for the Lenders. The Loan Agreement provides up to $50.0 million principal in term loans (the “Term Loan”) consisting of a first tranche of $30.0 million funded at closing and a subsequent second tranche of up to $20.0 million upon the Company’s request, subject to review by the Lenders of certain information from the Company and discretionary approval by the Lenders.

The Term Loan will mature on August 1, 2026, with interest only payments for 30 months, and bears a variable interest rate equal to the greater of (i) 7.95% and (ii) the sum of (A) the prime rate last quoted in The Wall Street Journal (or a comparable replacement rate, as determined by the Lenders, if The Wall Street Journal ceases to quote such rate) and (B) 3.20%. Upon the final payment under the Loan Agreement, the Lenders are entitled to an end of term charge equal to 6.45% of the aggregate original principal amount of the term loans made pursuant to the Loan Agreement. The Company may prepay, at its option, all, but not less than all, of the outstanding principal balance and all accrued and unpaid interest with respect to the principal balance being prepaid of the term loans, subject to a prepayment premium to which the Lenders are entitled and certain notice requirements.

~~Table of Contents~~

In connection with entering into the Loan Agreement, the Company also issued to K2HV a warrant to purchase 339,725 shares of Common Stock (the “Warrant”), with an exercise price per warrant of $1.3246. The Warrant expires on July 27, 2032.

The Loan Agreement and the Warrant each provide the Lenders with certain piggyback registration rights with respect to the shares issuable upon conversion under the Loan Agreement or upon exercise of the Warrant.

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

You should read the following discussion and analysis of our financial condition and results of operations together with our consolidated financial statements and related notes appearing elsewhere in this Quarterly Report on Form 10-Q and our Annual Report on Form 10-K for the year ended December 31, 2021, filed with the Securities and Exchange Commission (the “SEC”). This discussion and other parts of this Quarterly Report on Form 10-Q contain forward-looking statements that involve risks and uncertainties, such as statements of our plans, objectives, expectations and intentions. As a result of many factors, including those factors set forth in the “Risk Factors” section of this Quarterly Report on Form 10-Q, our actual results could differ materially from the results described in or implied by the forward-looking statements contained in the following discussion and analysis.

Overview

We are a precision oncology company focused on the development of targeted therapeutics for the treatment of cancer in genomically defined patient populations. Our vision is to elevate precision medicine to the forefront of every cancer treatment journey, as we believe that each patient living with cancer deserves the opportunity to benefit from a genomically-driven treatment decision. We utilize our deep expertise in developing drugs for rare, genomically defined patient populations and strategic collaborations with our diagnostic collaborators to work towards a future where each tumor’s unique genomic test result can be matched with a purpose-built precision medicine.

We are focused on identifying oncogenic drivers that are known to be predominantly mutually exclusive with other driver alterations, and pursuing innovations and efficiencies in the conduct of clinical trials that we believe may enable development of targeted therapeutics against those oncogenic drivers.

Our most advanced program is focused on NRG1 fusions, which are rare genomic alterations that have been identified as oncogenic driver alterations and that we believe have the potential to be therapeutically actionable through targeted HER3 inhibition. We have designed and initiated our potentially registration-enabling Phase 2 CRESTONE trial to investigate the safety and efficacy of seribantumab, an anti-HER3 monoclonal antibody, in advanced solid tumors harboring an NRG1 fusion. We are conducting this trial in a tumor-agnostic fashion, such that any patient with a solid tumor that harbors an NRG1 fusion, regardless of the tissue of origin, may be eligible. We believe that the design and conduct of the CRESTONE trial has the possibility to produce results that may provide support for us to seek accelerated approval of seribantumab for patients with advanced solid tumors harboring an NRG1 fusion, subject to discussions with the U.S. Food and Drug Administration (“FDA”). Any accelerated marketing approval is subject to continued discussions with the FDA, and agreement on post-approval confirmatory trials to confirm an anticipated clinical benefit. If the CRESTONE trial meets its primary endpoint, and subject to continued discussions with the FDA, we anticipate submitting a Biologics License Application (“BLA”) under an accelerated approval pathway for the treatment of patients with solid tumors harboring an NRG1 fusion. Even if the CRESTONE trial meets its primary endpoint, there can be no assurance that the FDA or other regulators will find such data sufficient to support a BLA submission or that additional trials will not be required. Further updates on the CRESTONE trial may be provided following additional information including, but not limited to, interactions with the FDA or other regulators, with whom we plan to discuss the interim clinical data and any resulting development pathways and opportunities. As of mid-2022, exploratory Cohorts 2 and 3 of the CRESTONE trial are closed to further enrollment. Also as of mid-2022, we completed enrollment of the first 20 patients in Cohort 1 of the CRESTONE trial.

In May 2022, we announced the FDA’s decision to grant Fast Track designation to seribantumab for the tumor-agnostic treatment of advanced solid tumors harboring NRG1 gene fusions. A drug candidate that receives Fast Track designation is afforded greater access to the FDA for the purpose of expediting the drug's development, review and potential approval, and allows for eligibility for Accelerated Approval and Priority Review if relevant criteria are met.

In June 2022, we presented initial clinical data from Cohort 1 of the CRESTONE trial at the American Society of Clinical Oncology (ASCO) 2022 Annual Meeting. We believe the findings presented at ASCO 2022 represent positive clinical proof-of-concept data supporting the potential of seribantumab to induce deep and durable benefit for patients with tumors harboring NRG1 fusions. Key findings from the CRESTONE trial as of the data cut-off date of April 18, 2022 were as follows:

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●

From 12 evaluable patients with a median of one line of prior systemic therapy, the investigator-assessed objective response rate (INV-ORR) was 33% across all tumor types, including two complete responses (CRs; 17%) and two partial responses (PRs; 17%). In patients with non-small cell lung cancer (n=11), the INV-ORR was 36%.

●

Durations of response ranged from 1.4 – 11.5 months.

●

There was a favorable and tolerable safety profile across 35 patients with eight different tumor types evaluable for safety from Cohorts 1, 2, and 3 along with those from the safety run-in portion of the study. The majority (80%) of adverse events (“AEs”) were mild or moderate (Grade 1 or 2) in severity, with two Grade 3 treatment-related adverse events (“TRAEs”) and no Grade 4 or 5 TRAEs. No patients discontinued seribantumab due to AEs.

We expect to report additional interim data from Cohort 1 of the CRESTONE trial in the first half of 2023, followed by topline data in 2024.

In July 2022, we entered into an exclusive license agreement (the ~~“License~~“CSPC License Agreement”) with CSPC Megalith Biopharmaceutical Co., Ltd., a subsidiary of CSPC Pharmaceutical Group (“CSPC”), to develop and commercialize EO-3021 (SYSA1801), a differentiated, clinical stage antibody drug conjugate (“ADC”) targeting Claudin18.2, in all global territories ~~outside Greater China (mainland~~(outside of the People’s Republic of China, Hong Kong, Macau and ~~Taiwan)~~Taiwan (such worldwide territory excluding the foregoing, the “Territory”)). ~~Under~~Pursuant to the terms of the CSPC License Agreement, we ~~will pay~~paid to CSPC a one-time, upfront payment of $27.0 million. CSPC will also be eligible to receive up to $148.0 million in potential development and regulatory milestone payments and up to $1.0 billion in potential commercial milestone payments plus royalties on net sales.

SYSA1801 is currently being evaluated by CSPC in a Phase 1, dose-escalation clinical trial in China. We expect to initiate a Phase 1 clinical trial evaluating EO-3021 in the United States in 2023. Claudin18.2 is a protein expressed across several types of solid tumors including many gastrointestinal cancers such as gastric, gastroesophageal junction and pancreatic cancer. EO-3021 is an ADC containing monomethyl auristatin E (“MMAE”) payload, a potent anti-mitotic agent. MMAE has been clinically validated as an effective anti-tumor payload and is the cytotoxic component of several FDA-approved ADCs. Additionally, EO-3021 was granted orphan drug designation by the FDA for the treatment of gastric cancer (including cancer of gastroesophageal junction) in November 2020 and for the treatment of pancreatic cancer in May 2021.

We also plan to expand our drug development pipeline beyond seribantumab and EO-3021 into additional genomically defined cancers by leveraging our value-driving partnerships with Caris Life Sciences and others, as well as by exploring further opportunities to selectively partner on additional precision oncology assets.

In July 2022, we secured a $50.0 million senior secured loan facility from funds managed by ~~K2 HealthVentures LLC (“K2HV”).~~K2HV. The initial proceeds from the facility ~~will~~ primarily ~~support~~supported the exclusive license of EO-3021 ~~outside of Greater China~~in the Territory from CSPC and the execution of our pipeline. The facility provides us with up to $50.0 million in borrowing capacity in two tranches, with an initial tranche of $30.0 million available immediately. A second tranche, consisting of up to $20.0 million, will be available in the future, subject to mutual agreement between us and K2HV. We expect to use any future proceeds from the facility to support the continued development of EO-3021 and seribantumab, for additional pipeline expansion, and for general corporate purposes.

We were incorporated in April 2019. We have devoted substantially all of our resources to developing ~~our most advanced product candidate, initiating~~seribantumab, sponsoring the CRESTONE clinical trial, building our intellectual property portfolio, in-licensing EO-3021, business planning, raising capital and providing general and administrative support for these operations. To date, we have financed our operations through private placements of convertible preferred stock, our initial public offering, or IPO, and debt financing. On June 29, 2021, we closed our IPO and issued 6,250,000 shares of our common stock at a price of $16.00 per share, for net proceeds of $91.1 million, after deducting underwriting discounts, commissions, and other expenses of $8.9 million. In connection with the IPO, all shares of Series A and Series B convertible preferred stock outstanding automatically converted into 15,736,053 shares of common stock. On July 19, 2021, in connection with our IPO, the underwriters exercised the right to purchase 403,407 shares of our common stock at a price of $16.00 for net proceeds of $6.0 million. Prior to our IPO, we had received net proceeds of approximately $97.2 million from sales of our convertible ~~preferred~~

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preferred stock. In July 2022, we entered into the Sales Agreement with Cowen, under which Cowen may offer and sell, from time to time, shares of common stock having aggregate gross proceeds of up to $50.0 million. At our option, we may sell shares of common stock through Cowen as our sales agent.

Since inception, we have incurred significant operating losses annually and on an aggregate basis. Our ability to generate product revenue sufficient to achieve profitability will depend on the successful development and eventual commercialization of one or more of our current or future product candidates. Our net losses were ~~$19.9~~$38.8 million and ~~$5.1~~$12.3 million for the three months ended ~~June~~September 30, 2022 and 2021, ~~$37.2~~$76.0 million and ~~$10.2~~$22.4 million for the ~~six~~nine months ended ~~June~~September 30, 2022 and 2021, respectively. As of ~~June~~September 30, 2022, we had an accumulated deficit of ~~$92.4~~$131.2 million. These losses have resulted primarily from costs incurred in connection with research and development activities, acquisition, patent investment, and general and administrative costs associated with our operations. We expect to continue to incur significant expenses and increasing operating losses for at least the next several years.

We believe our cash, cash equivalents and marketable securities of ~~$122.5~~$107.9 million as of ~~June~~September 30, 2022 will enable us to fund our operating expenses and capital expenditure requirements into 2024. We have based this estimate on assumptions that may prove to be wrong, and we could exhaust our available capital resources sooner than we expect. We will need to raise additional capital in the future to continue developing the drugs in our pipeline and to commercialize any approved drug. We may seek to obtain additional financing in the future through the issuance of our common stock, through other equity or debt financings or through collaborations or partnerships with other companies. We may not be able to raise additional capital on terms acceptable to us, or at all, and any failure to raise capital as and when needed could compromise our ability to execute on our business plan.

Impact of COVID-19

Since it was reported to have surfaced in December 2019, ~~COVID 19~~COVID-19 has spread across the world and has been declared a pandemic by the World Health Organization. Efforts to contain the spread of ~~COVID 19 have intensified and~~COVID-19 by the United States, Europe and Asia have ~~implemented~~included severe travel restrictions, social distancing requirements, stay-at-home orders and have delayed the commencement of ~~non-COVID 19~~non-COVID-19 related clinical trials, among other restrictions. As a result, the ~~current COVID 19~~ongoing COVID-19 pandemic has presented a substantial public health and economic challenge around the world and is affecting our employees, patients, communities and business operations, as well as contributing to significant volatility and negative pressure on the U.S. economy and in financial markets.

While we are currently continuing the clinical trials we have underway, ~~COVID 19~~COVID-19 precautions may directly or indirectly impact the timeline for some of our clinical trials. To date, ~~we have been able to continue to enroll~~the COVID-19 pandemic has not affected our enrollment of patients in our Phase 2 CRESTONE clinical trial and we currently do not anticipate any interruptions of clinical ~~enrollment.~~enrollment which would be primarily due to the COVID-19 pandemic. However, we are continuing to assess the potential impact of the ~~COVID 19~~COVID-19 pandemic on our current and future business and operations, including our expenses and clinical trials, as well as on our industry and the healthcare system.

The full extent to which the ~~COVID 19~~COVID-19 pandemic will directly or indirectly impact our business, results of operations and financial condition, including expenses, clinical trials and research and development costs, will depend on future developments that are highly uncertain, including as a result of new information that may emerge concerning ~~COVID 19~~COVID-19 and the actions taken to contain or treat ~~COVID 19,~~COVID-19, as well as the economic impact on local, regional, national and international markets.

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Components of our Results of Operations

Operating Expenses

Research and Development Expenses

Our operating expenses have consisted solely of research and development costs and general and administrative costs. Research and development expenses consist primarily of costs ~~incurred for~~related to our research activities, including the development

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of our product candidates, ~~which~~and costs incurred for the in-licensing of EO-3021. Our research and development expenses include:

●

a one-time, upfront payment of $27.0 million paid to CSPC pursuant to the CSPC License Agreement for the exclusive rights to develop and commercialize EO-3021 in the Territory. Of this amount, $25.7M was recorded as research and development expense and $1.3M was recorded as prepaid expense;

●

employee-related expenses, including salaries, related benefits, and stock-based compensation expense for employees engaged in research and development activities;

●

external research and development expenses incurred in connection with the preclinical and clinical development of seribantumab, as well as the preclinical development of EO-3021, including expenses incurred under agreements with contract research organizations and consultants;

●

costs incurred with contract manufacturing organizations that manufacture drug products for use in our preclinical studies and clinical trials of seribantumab;

●

fees paid to consultants for services directly related to our product development and regulatory efforts; and

●

costs related to compliance with regulatory requirements related to conducting our clinical activity.

Research and development costs consist of salaries and benefits, including associated stock-based compensation, and fees paid to other entities that conduct certain research and development activities on our behalf. Research and development costs are expensed as incurred. We estimate preclinical study and clinical trial expenses based on the services performed pursuant to contracts with research institutions and contract research organizations, and clinical manufacturing organizations that conduct and manage preclinical studies and clinical trials on our behalf based on actual time and expenses incurred by them. Further, we accrue expenses related to clinical trials based on the level of patient activity according to the related agreement. We monitor patient enrollment levels and related activity to the extent reasonably possible and adjust estimates accordingly.

To date, ~~all of~~ our research and development expenses have primarily been incurred to advance ~~our most advanced product candidate, seribantumab.~~seribantumab and in-license EO-3021. We expect that significant additional spending will be required to progress seribantumab through the remainder of its clinical development, as well as advance EO-3021 and any future product candidate through clinical development. These expenses will primarily consist of expenses for the administration of clinical studies as well as manufacturing costs for clinical material supply. At this time, we cannot reasonably estimate or know the nature, timing and costs of the efforts that will be necessary to complete the preclinical and clinical development of any of our product candidates.

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The following table provides a breakout of our research and development expenses by major categories of ~~expense (in thousands):~~expense:


	Three months ended				Six months ended				Three months ended				Nine months ended
	June 30,				June 30,				September 30,				September 30,
	2022		2021		2022		2021		2022		2021		2022		2021

	(in thousands)								(in thousands)
Seribantumab	$	12,487	$	2,809	$	23,390	$	6,136	$	5,729	$	7,745	$	29,119	$	13,881
EO-3021										25,895		—		25,895		—
Unallocated and other research and development expenses		1,363		370		2,039		629		508		611		2,547		1,240
Unallocated personnel costs (including stock-based compensation)		2,450		735		4,446		1,283		2,208		942		6,654		2,225
Total research and development expenses	$	16,300	$	3,914	$	29,875	$	8,048	$	34,340	$	9,298	$	64,215	$	17,346

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The successful development and commercialization of seribantumab, EO-3021 or our other future product candidates is highly uncertain. The success of seribantumab, EO-3021 or any other future product candidate will depend on several factors, including the following:

●

successful completion of preclinical studies and clinical trials, including our CRESTONE trial;

●

acceptance of a biologic license application, or BLA, by the FDA, or other similar clinical trial applications from foreign regulatory authorities for seribantumab and our future clinical trials for our future product candidates;

●

timely and successful enrollment of patients in, and completion of, clinical trials with favorable results;

●

demonstration of safety, efficacy and acceptable risk-benefit profiles of our product candidates, including our most advanced product candidate, seribantumab, to the satisfaction of the FDA and foreign regulatory agencies;

●

our ability, or that of our collaborators, to develop and obtain clearance or approval of companion diagnostics, on a timely basis, or at all;

●

receipt and related terms of marketing approvals from applicable regulatory authorities, including the completion of any required post-marketing studies or trials;

●

raising additional funds necessary to complete clinical development of and commercialize our product candidates, including our most advanced product candidate, seribantumab;

●

successfully identifying future acquisition, collaboration or in-license candidates to expand our product candidate pipeline;

●

obtaining and maintaining patent, trade secret and other intellectual property protection and regulatory exclusivity for our product candidates, including our most advanced product candidate, seribantumab;

●

making arrangements with third-party manufacturers, or establishing manufacturing capabilities, for both clinical and commercial supplies of our product candidates;

●

developing and implementing marketing and reimbursement strategies;

●

establishing sales, marketing and distribution capabilities and launching commercial sales of our products, if and when approved, whether alone or in collaboration with others;

●

acceptance of our products, if and when approved, by patients, the medical community and third-party payors;

●

effectively competing with other therapies;

●

obtaining and maintaining third-party payor coverage and adequate reimbursement;

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●

protecting and enforcing our rights in our intellectual property portfolio; and

●

maintaining a continued acceptable safety profile of the products following approval.

Many of these factors are beyond our control, and it is possible that none of our product candidates, including our most advanced product candidate, seribantumab, will ever obtain regulatory approval even if we expend substantial time and resources seeking such approval. If we do not achieve one or more of these factors in a timely manner or at all, we could experience significant delays or an inability to successfully commercialize our product candidates, which would materially

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harm our business. For example, our business could be substantially harmed if results of our ongoing CRESTONE clinical trial of seribantumab vary adversely from our expectations.

General and Administrative Expenses

General and administrative expenses consist primarily of salaries and other related costs, including stock-based compensation, for personnel in our executive and administrative functions. General and administrative expenses also include legal fees relating to patent and corporate matters; professional fees for accounting, auditing, tax and consulting ~~services;~~services, and insurance costs.

We anticipate that our general and administrative expenses will increase in the future as we support our continued research activities and development of our product candidates. We also expect to incur increased expenses associated with operating as a public company, including costs of accounting, audit, legal, investor and public relations, directors and officers insurance, and regulatory and tax related services associated with maintaining compliance with exchange listings and SEC requirements. In addition, if we obtain regulatory approval for seribantumab, or any of our future product candidates, we expect to incur significant expenses related to building a sales and marketing team to support product sales, and marketing and distribution activities, to the extent that such activities are not supported by one or more third-party collaborators.

Results of Operations

Three months ended ~~June~~September 30, 2022 and 2021

The following table summarizes our results of operations for the three months ended ~~June~~September 30, 2022 and 2021:


	Three months ended						Three months ended
	June 30,						September 30,
	2022		2021		Change		2022		2021		Change

	(in thousands)						(in thousands)
Operating expenses:
Research and development	$	16,300	$	3,914	$	12,386	$	34,340	$	9,298	$	25,042
General and administrative		3,813		1,145		2,668		4,191		2,979		1,212
Total operating expenses		20,113		5,059		15,054		38,531		12,277		26,254
Loss from operations		(20,113)		(5,059)		(15,054)		(38,531)		(12,277)		(26,254)
Other income		187		—		187
Other income (expense), net								(306)		10		(316)
Net loss	$	(19,926)	$	(5,059)	$	(14,867)	$	(38,837)	$	(12,267)	$	(26,570)

Research and Development Expenses

Research and development expenses were ~~$16.3~~$34.3 million for the three months ended ~~June~~September 30, 2022, compared to ~~$3.9~~$9.3 million for the three months ended ~~June~~September 30, 2021. The increase of ~~$12.4~~$25.0 million was primarily due to a ~~$9.6~~$25.9 million cost related to the CSPC License Agreement for the exclusive rights to develop and commercialize EO-3021 in the Territory, a $1.3 million increase in employee related costs, including stock-based compensation, partially offset by a $2.0 million decrease in costs related to manufacturing clinical supply of seribantumab for use in the CRESTONE clinical trial, and a $0.2 million decrease in clinical trial expenses associated with the CRESTONE clinical trial, regulatory, consulting, and other expenses.

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General and Administrative Expenses

General and administrative expenses were $4.2 million for the three months ended September 30, 2022, compared to $3.0 million for the three months ended September 30, 2021. The increase of $1.2 million was primarily due to an increase of $0.9 million in personnel costs, including stock-based compensation, an increase of $0.2 million of professional fees and other consulting costs, and an increase of $0.1 million in administrative costs including Directors and Officers insurance.

Nine months ended September 30, 2022 and 2021

The following table summarizes our results of operations for the nine months ended September 30, 2022 and 2021:


	Nine months ended
	September 30,
	2022		2021		Change

	(in thousands)
Operating expenses:
Research and development	$	64,215	$	17,346	$	46,869
General and administrative		11,797		5,076		6,721
Total operating expenses		76,012		22,422		53,590
Loss from operations		(76,012)		(22,422)		(53,590)
Other income (expense), net		(26)		5		(31)
Net loss	$	(76,038)	$	(22,417)	$	(53,621)

Research and Development Expenses

Research and development expenses were $64.2 million for the nine months ended September 30, 2022, compared to $17.3 million for the nine months ended September 30, 2021. The increase of $46.9 million was primarily due to a $25.9 million cost related to the CSPC License Agreement for the exclusive rights to develop and commercialize EO-3021 in the Territory, a $15.2 million increase in costs related to manufacturing clinical supply of seribantumab for use in the CRESTONE clinical trial, a ~~$1.7~~$4.5 million increase in employee related costs, including stock-based compensation, and an increase of ~~$1.1~~$1.3 million in clinical trial expenses associated with the CRESTONE clinical trial, regulatory, consulting, and other expenses.

General and Administrative Expenses

General and administrative expenses were ~~$3.8~~$11.8 million for the ~~three~~nine months ended ~~June~~September 30, 2022, compared to ~~$1.1~~$5.1 million for the ~~three~~nine months ended ~~June~~September 30, 2021. The increase of ~~$2.7~~$6.7 million was primarily due to an increase of ~~$1.4~~$3.5 million in personnel costs, including stock-based compensation, an increase of ~~$1.1~~$2.4 million in administrative costs including Directors and Officers insurance, and an increase of ~~$0.2 million of professional fees and other consulting costs.~~

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~~Six months ended June 30, 2022 and 2021~~

~~The following table summarizes our results of operations for the six months ended June 30, 2022 and 2021:~~

Six months ended

June 30,


2022

2021

Change

(in thousands)
Operating expenses:






Research and development

$
29,875

$
8,048

$
21,827
General and administrative

7,606

2,097

5,509
Total operating expenses

37,481

10,145

27,336
Loss from operations

(37,481)

(10,145)

(27,336)
Other income

280

(5)

285
Net loss

$
(37,201)

$
(10,150)

$
(27,051)

~~Research and Development Expenses~~

Research and development expenses were $29.9 million for the six months ended June 30, 2022, compared to $8.0 million for the six months ended June 30, 2021. The increase of $21.9 million was primarily due to a $16.8 million increase in costs related to manufacturing clinical supply of seribantumab for use in the CRESTONE clinical trial, a $3.2 million increase in employee related costs, including stock-based compensation, and an increase of $1.9 million in clinical trial expenses associated with the CRESTONE clinical trial, regulatory, consulting, and other expenses.

~~General and Administrative Expenses~~

General and administrative expenses were $7.6 million for the six months ended June 30, 2022, compared to $2.1 million for the six months ended June 30, 2021. The increase of $5.5 million was primarily due to an increase of $2.8 million in personnel costs, including stock-based compensation, an increase of $2.3 million in administrative costs including Directors and Officers insurance, and an increase of $0.4$0.8 million of professional fees and other consulting costs.

Liquidity and Capital Resources

Since inception, we have not generated any revenue from product sales or any other sources and have incurred significant operating losses. We have not yet commercialized any products and we do not expect to generate revenue from sales of any product candidates for several years, if ever.

Through ~~June~~September 30, 2022, we have funded our operations with proceeds from the sale of convertible preferred stock, ~~and~~ proceeds from our ~~IPO.~~IPO, and borrowings under loan agreements. As of ~~June~~September 30, 2022, we had cash, cash equivalents and marketable securities of ~~$122.5~~$107.9 million.

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In July 2022, we entered into the Sales Agreement with Cowen, under which we may offer and sell, from time to time, shares of common stock having aggregate gross proceeds of up to $50.0 million. ~~The Company will pay Cowen a commission~~As of ~~up to 3% of the gross proceeds of~~September 30, 2022, we have not sold any ~~sales of the ATM Shares pursuant to~~shares under the Sales Agreement.

In July 2022, we entered into the Loan Agreement with K2HV, as administrative agent for the Lenders, and Ankura Trust Company, LLC, as collateral agent for the Lenders. The Loan Agreement provides up to $50.0 million principal in the Term Loan consisting of a first tranche of $30.0 million funded at closing and a subsequent second tranche of up to $20.0 million upon our request, subject to review by the Lenders of certain information from us and discretionary approval by the Lenders.

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6.45% of the aggregate original principal amount of the term loans made pursuant to the Loan Agreement. We may prepay, at our option, all, but not less than all, of the outstanding principal balance and all accrued and unpaid interest with respect to the principal balance being prepaid of the term loans, subject to a prepayment premium to which the Lenders are entitled and certain notice requirements.

For additional information regarding the Loan Agreement, please refer to Note ~~12, “Subsequent Events—~~7, “Debt—K2 HealthVentures Loan and Security Agreement,” to the accompanying unaudited consolidated financial statements.

Cash Flows

The following table summarizes our sources and uses of cash for each of the periods presented:


	Six months ended				Nine months ended
	June 30,				September 30,
	2022		2021		2022		2021

	(in thousands)				(in thousands)
Statement of cash flows data:
Cash used in operating activities	$	(23,451)	$	(13,349)	$	(67,634)	$	(21,253)
Cash used in investing activities		(68,945)		—		(55,579)		—
Cash provided by (used in) financing activities		(6)		91,966
Net decrease in cash and cash equivalents	$	(92,402)	$	78,617
Cash provided by financing activities						29,518		97,051
Net (decrease) increase in cash and cash equivalents					$	(93,695)	$	75,798

Operating Activities

During the ~~six~~nine months ended ~~June~~September 30, 2022, cash used in operating activities was ~~$23.5~~$67.6 million, which consisted primarily of our net loss of ~~$37.3~~$76.0 million, partially offset by ~~$12.3~~$6.0 million of cash provided in changes in our operating assets and liabilities, $2.3 million of stock-based compensation expense, and $0.1 of non-cash interest expenses. Net cash provided by changes in our operating assets and liabilities consisted primarily of an increase of $6.3 million in accrued expenses, partially offset a decrease of $0.3 million in prepaid expenses and other assets.

During the nine months ended September 30, 2021, cash used in operating activities was $21.3 million, which consisted primarily of our net loss of $22.4 million, partially offset by $0.2 million of cash used in changes in our operating assets and liabilities, and $1.5 million of stock-based compensation expense. Net cash provided in changes in our operating assets and liabilities consisted primarily of an increase of $14.7 million in accrued expenses and increase of $2.0 million in prepaid expenses and other assets, partially offset a decrease of $4.4 million in accounts payable, due to the timing of payments related to research and development costs.

During the six months ended June 30, 2021, cash used in operating activities was $13.3 million, which consisted primarily of our net loss of $10.2 million and $3.4 million of cash used in changes in our operating assets and liabilities, partially offset by $0.2$0.9 million of stock-based compensation expense. Net cash used in changes in our operating assets and liabilities consisted primarily of a decrease in ~~accounts payable~~accrued expenses due to the timing of payments related to research and development costs. During the six months ended June 30, 2020, cash used in operating activities was $4.2 million, which consisted primarily of our net loss of $5.4 million, partially offset by $1.2 million of cash provided by changes in our operating assets and liabilities.

Investing Activities

During the ~~six~~nine months ended ~~June~~September 30, 2022, net cash used in investing activities consisted of ~~$85.2~~$98.5 million of cash investment in marketable securities, $0.1 million of purchases of property and equipment related to NetSuite implementation capitalization, partially offset by ~~$16.3~~$43.0 million of proceeds from sales and maturities of marketable securities.

During the ~~six~~nine months ended ~~June~~September 30, 2021, there was no cash used in or provided by investing activities.

Financing Activities

During the ~~six~~nine months ended ~~June~~September 30, 2022, cash ~~used~~provided by financing activities was ~~less than $0.1~~$29.5 million, due to ~~common stock repurchase, partially offset by~~$30.0 million of proceeds from issuance of ~~common stock upon stock option exercises.~~long-term debt, partially offset by $0.5 million of payments of debt issuance costs.

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During the ~~six~~nine months ended ~~June~~September 30, 2021, cash provided by financing activities was ~~$92.0~~$97.1 million, which consisted of net proceeds from the issuance of common stock upon the completion of our IPO.

Future Funding Requirements

We expect our expenses to increase substantially in connection with our ongoing activities, particularly as we advance the preclinical activities and clinical trials for seribantumab and EO-3021, and seek to develop or acquire additional product candidates. The timing and amount of our operating expenditures will depend largely on:

●

the timing and progress of preclinical and clinical development activities;

●

successful enrollment in and completion of clinical trials, including CRESTONE;

●

the timing and outcome of regulatory review of our product candidates;

●

the cost to develop companion diagnostics as needed for each of our product candidates;

●

our ability to establish agreements with third-party manufacturers for clinical supply for our clinical trials and, if any of our product candidates are approved, commercial manufacturing;

●

addition and retention of key research and development personnel;

●

our efforts to enhance operational, financial and information management systems, and hire additional personnel, including personnel to support development of our product candidates;

●

the costs and timing of future commercialization activities, including product manufacturing, marketing, sales and distribution, for any of our product candidates for which we obtain marketing approval;

●

the legal patent costs involved in prosecuting patent applications and enforcing patent claims and other intellectual property claims; and

●

the terms and timing of any collaboration, license or other arrangement, including the terms and timing of any milestone payments thereunder.

Our future capital requirements will depend on many factors, including:

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the progress, timing and results of preclinical studies and clinical trials for our current or any future product candidates;

●

disruptions or delays in enrollment of our clinical trials due to the COVID-19 pandemic;

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the extent to which we develop, in-license or acquire other pipeline product candidates or technologies;

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the number and development requirements of other future product candidates that we may pursue, and other indications for our current product candidates that we may pursue;

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the costs, timing and outcome of obtaining regulatory approvals of our current or future product candidates and any companion diagnostics we may pursue;

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the scope and costs of making arrangements with third-party manufacturers, or establishing manufacturing capabilities, for both clinical and commercial supplies of our current or future product candidates;

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the costs involved in growing our organization to the size needed to allow for the research, development and potential commercialization of our current or future product candidates;

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the costs associated with commercializing any approved product candidates, including establishing sales, marketing and distribution capabilities;

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the costs associated with completing any post-marketing studies or trials required by the Food and Drug Administration, or FDA, or other regulatory authorities;

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the revenue, if any, received from any product candidates that receive marketing approval;

●

the costs of preparing, filing and prosecuting patent applications, maintaining and enforcing our intellectual property rights and defending intellectual property-related claims that we may become subject to, including any litigation costs and the outcome of such litigation;

●

the costs associated with potential product liability claims, including the costs associated with obtaining insurance against such claims and with defending against such claims; and

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to the extent we pursue strategic collaborations, including collaborations to commercialize seribantumab or to develop any future product candidates, our ability to establish and maintain collaborations on favorable terms, if at all, as well as the timing and amount of any milestone or royalty payments we are required to make or are eligible to receive under such collaborations, if any.

We will not generate revenue from product sales unless and until we successfully complete clinical development and obtain regulatory approval for seribantumab or our other future product candidates. If we obtain regulatory approval for any of our product candidates, we expect to incur significant expenses related to developing our internal commercialization capability to support product sales, marketing and distribution.

Until such time as we can generate significant revenue from product sales, if ever, we expect to finance our operations through a combination of public or private equity or debt financings or other sources, which may include collaborations with third parties. Adequate additional financing may not be available to us on favorable terms, or at all. In addition, we may seek additional capital due to favorable market conditions or strategic considerations even if we believe we have sufficient funds for our current or future operating plans. If we are unable to raise capital or debt when needed or on favorable terms, we could be forced to delay, reduce or eliminate our research and development programs, our commercialization plans or other operations. Please refer to Note 12, “Subsequent Events,” to the accompanying unaudited consolidated financial statements for information relating to our Sales Agreement with Cowen and our Loan Agreement with K2HV.

Because of the numerous risks and uncertainties associated with product development, we are unable to predict the timing or amount of increased expenses or when or if we will be able to achieve or maintain profitability. Even if we are able to generate revenue from product sales, we may not become profitable. If we fail to become profitable or are unable to sustain profitability on a continuing basis, then we may be unable to continue our operations at planned levels and be forced to reduce or terminate our operations.

Contractual Obligations and Commitments

We enter into contracts in the normal course of business with various third parties for clinical trials, preclinical research studies and testing, manufacturing and other services and products for operating purposes. These contracts do not contain any minimum purchase commitments and provide for termination upon notice. Payments due upon cancellation consist only of payments for services provided and expenses incurred up to the date of cancellation.

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In May 2019, we entered into an asset purchase agreement with the previous sponsor, pursuant to which we acquired all rights and interest to patents, know-how, and inventory for assets related to seribantumab. If we are successful in developing and commercializing seribantumab, we may be obligated to pay the previous sponsor up to $54.5 million in development, regulatory and sales milestone payments pursuant to the terms of the asset purchase agreement. Additionally, in conjunction with the asset purchase agreement with the previous sponsor, we assumed the rights and obligations under certain collaboration and license agreements which may require the payment of milestones and/or royalties on future sales of seribantumab. We are currently unable to estimate the timing or likelihood of achieving these milestones or generating ~~future.~~future product sales. See ~~“Business —~~ “Note 10—Asset ~~purchase, licensing~~Purchase and ~~collaboration agreements”~~License Agreements—Asset Purchase Agreement” for additional information about these license agreements, including with respect to potential payments thereunder.

The Term Loan will mature on August 1, 2026, with interest only payments for 30 months, and bears a variable interest rate equal to the greater of (i) 7.95% and (ii) the sum of (A) the prime rate last quoted in The Wall Street Journal (or a comparable replacement rate, as determined by the Lenders, if The Wall Street Journal ceases to quote such rate) and (B) 3.20%. Upon the final payment under the Loan Agreement, the Lenders are entitled to an end of term charge equal to 6.45% of the aggregate original principal amount of the term loans made pursuant to the Loan Agreement. We may prepay, at our option, all, but not less than all, of the outstanding principal balance and all accrued and unpaid interest with respect to the principal balance being prepaid of the term loans, subject to a prepayment premium to which the Lenders are entitled and certain notice requirements.

For additional information regarding the Loan Agreement, please refer to Note 7, “Debt—K2 HealthVentures Loan and Security Agreement,” to the accompanying unaudited consolidated financial statements

Critical Accounting Policies and Significant Judgments and Estimates

Our management’s discussion and analysis of financial condition and results of operations is based on our condensed consolidated financial statements, which have been prepared in accordance with generally accepted accounting principles in the United States, or U.S. GAAP. The preparation of our condensed consolidated financial statements and related disclosures requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities, costs and expenses and the disclosure of contingent assets and liabilities in our condensed consolidated financial statements. We base our estimates on known trends and events and various other factors that we believe are reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. We evaluate our estimates and assumptions on an ongoing basis. Our actual results may differ from these estimates under different assumptions or conditions.

For a discussion of our critical accounting estimates, see Management’s Discussion and Analysis of Financial Condition and Results of Operations in our Annual Report on Form 10-K for the year ended December 31, 2021 (the “Annual Report”), filed with the SEC on March 3, 2022 in connection with the notes to our audited consolidated financial statements appearing in the Annual Report and the notes to the condensed consolidated financial statements appearing elsewhere in this Quarterly Report on Form 10-Q. There have been no material changes to these critical accounting policies and estimates through ~~June~~September 30, 2022, from those discussed in our Annual Report.

Recently Issued and Adopted Accounting Pronouncements

A description of recently issued accounting pronouncements that may potentially impact our financial position and results of operation is disclosed in our condensed consolidated interim financial statements in Part I, Item 1 of this quarterly report on Form 10-Q.

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Emerging Growth Company Status

The Jumpstart Our Business Startups Act of 2012 permits an “emerging growth company” such as us to take advantage of an extended transition period to comply with new or revised accounting standards applicable to public companies until those standards would otherwise apply to private companies. We have elected not to “opt out” of such extended transition period, which means that when a standard is issued or revised and it has different application dates for public or private companies, we will adopt the new or revised standard at the time private companies adopt the new or revised standard and will do so until such time that we either (i) irrevocably elect to “opt out” of such extended transition period or (ii) no longer qualify as an emerging growth company.

Item 3. Quantitative and Qualitative Disclosures About Market Risk

As of ~~June~~September 30, 2022, we had cash, cash equivalents and marketable securities of ~~$122.5~~$107.9 million. Interest income is sensitive to changes in the general level of interest rates; however, due to the nature these investments, an immediate 10% change in interest rates would not have a material effect on the fair market value of our investment portfolio.

We are not currently exposed to significant risk related to changes in foreign currency exchange rates; however, we have contracted with and may continue to contract with foreign vendors. Our operations may be subject to fluctuations in foreign currency exchange rates in the future.

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Item 4. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, we evaluated the effectiveness of the design and operation of our disclosure controls and procedures pursuant to Rule 13a-15(e) and 15d-15(e) under the Exchange Act as of the end of the period covered by this report. Our disclosure controls and procedures are designed to ensure that information required to be disclosed in the reports we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms, and that such information is accumulated and communicated to our management, including the Chief Executive Officer and the Chief Financial Officer, to allow timely decisions regarding required disclosures. Any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objective and management necessarily applies its judgment in evaluating the cost-benefit relationship of possible controls and procedures. Based on that evaluation, our Chief Executive Officer and Chief Financial Officer have concluded that our disclosure controls and procedures were effective at a reasonable assurance level as of ~~June~~September 30, 2022.

Changes in Internal Control over Financial Reporting

There were no changes in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) occurred during the three months ended ~~June~~September 30, 2022, that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

The ~~current COVID 19~~ongoing COVID-19 pandemic has presented a substantial public health and economic challenge around the world and is affecting our employees, patients, communities and business operations, as well as contributing to significant volatility and negative pressure on the U.S. economy and in financial markets. We have not identified any material changes in our internal control over financial reporting as a result of these changes to the working environment. We have been and will continue to monitor and assess the COVID-19 pandemic to determine any potential impacts on our internal controls over financial reporting.

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PART II — OTHER INFORMATION

Item 1. Legal Proceedings

None.

Item 1A. Risk Factors

RISK FACTORS

Investing in our common stock involves a high degree of risk. Before making your decision to invest in shares of our common stock, you should carefully consider and read carefully all of the risks described below, together with the other information contained in this Quarterly Report on Form 10-Q, including our financial statements and the related notes and the section titled “Management’s Discussion and Analysis of Financial Condition and Results of Operations”. We cannot assure you that any of the events discussed below will not occur. These events could have a material and adverse impact on our business, financial condition, results of operations and prospects. Unless otherwise indicated, references to our business being harmed in these risk factors will include harm to our business, reputation, financial condition, results of operations, net revenue and future prospects. In such event, the trading price of our common stock could decline, and you could lose all or part of your investment. Additional risks and uncertainties not presently known to us or that we currently deem immaterial also may impair our business operations and the market price of our common stock. This Quarterly Report on Form 10-Q also contains forward-looking statements that involve risks and uncertainties. Our actual results could differ materially from those anticipated in the forward-looking statements as a result of factors that are described below and elsewhere in this Quarterly Report on Form 10-Q.

Risk Factor Summary

The following summarizes the most material risks that make an investment in our securities risky or speculative. If any of the following risks occur or persist, our business, financial condition and results of operations could be materially harmed and the price of our common stock could significantly decline.

●

We have a limited operating history, which may make it difficult to evaluate the success of our business to date and to assess our future viability. We have incurred significant operating losses since our inception in 2019 and have not generated any revenue. We expect to incur continued losses for the foreseeable future and may never achieve or maintain profitability.

●

We are highly dependent on the success of our most advanced product candidate, seribantumab. We have not completed clinical development or obtained regulatory approval for any product candidate. We may never obtain approval for seribantumab or any other product candidate.

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The COVID-19 pandemic could adversely impact our business, including the conduct of our clinical trials.

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If we experience delays or difficulties in enrolling patients in our ongoing or planned clinical trials, our receipt of necessary regulatory approval could be delayed or prevented.

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Adverse side effects or other safety risks associated with our product candidates could delay or preclude approval, cause us to suspend or discontinue clinical trials or abandon further development, limit the commercial profile of an approved product or result in significant negative consequences following marketing approval, if any.

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We have, and we may in the future, seek to engage in strategic transactions to acquire or in-license new products, product candidates or technologies. If we are unable to realize the benefits from such transactions, it may adversely affect our ability to develop and commercialize product candidates, negatively impact our cash position, increase our expenses and present significant distractions to our management.

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●

The development and commercialization of biological products are subject to extensive regulation, and we may not obtain regulatory approvals for any of our product candidates, on a timely basis or at all.

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If we are unable to successfully develop, validate, obtain regulatory approval of and commercialize companion diagnostic tests for our product candidates or any future product candidates that require or would benefit from such tests, or experience significant delays in doing so, we may not realize the full commercial potential of these product candidates.

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Manufacturing biological products is complex and subject to product loss for a variety of reasons. We rely on third-party suppliers, including single source suppliers, to manufacture clinical supplies of our most advanced product candidate and we intend to rely on third parties to produce commercial supplies of any approved product.

●

The incidence and prevalence for target patient populations of our product candidates have not been established with precision. If the market opportunities for our product candidates are smaller than we estimate or if any approval that we obtain is based on a narrower definition of the patient population, then our revenue potential and ability to achieve profitability will be adversely affected.

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We face substantial competition, which may result in others discovering, developing or commercializing products before or more successfully than we do.

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We expect to significantly expand our development and regulatory capabilities as we grow our company, and as a result, we may encounter difficulties in managing our growth, which could disrupt our operations.

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If we are unable to obtain and maintain sufficient patent protection for our product candidates, or if the scope of the patent protection is not sufficiently broad, third parties, including our competitors, could develop and commercialize products similar or identical to ours, and our ability to commercialize our product candidates may be adversely affected.

Risks related to our financial position and need for additional capital

Investment in drug development is a highly speculative undertaking and involves a substantial degree of risk. We commenced operations in 2019 and are a clinical-stage biologics company with a limited operating history. We have not yet commercialized any product, nor do we expect to generate revenue from sales of any products for several years, if at all. Consequently, there have been limited operations upon which you can evaluate our business, and predictions about our future success or viability may not be as cancer therapies. For the three months ended ~~June~~September 30, 2022 and 2021, we had a net loss of ~~$19.9~~$38.8 million and ~~$5.1~~$12.3 million, respectively. For the ~~six~~nine months ended ~~June~~September 30, 2022 and 2021, we had a net loss of ~~$37.2~~$76.0 million and ~~$10.2~~$22.4 million, respectively. As of ~~June~~September 30, 2022, we had an accumulated deficit of ~~$92.4~~$131.2 million. We expect to continue to incur significant research and development and other expenses related to our ongoing operations, which we anticipate will result in net losses for at least the next several years.

Since our inception, we have focused substantially all of our efforts and financial resources on the acquisition and clinical development of our most advanced product candidate, seribantumab. To date, we have funded our operations with proceeds from sales of shares of our convertible preferred stock, proceeds from the sale of common stock in our IPO, and ~~debt financing.~~borrowings under loan agreements. As of ~~June~~September 30, 2022, our cash, cash equivalents and marketable securities were ~~$122.5~~$107.9 million.

We expect to incur increasing levels of operating losses for the foreseeable future, particularly as we advance seribantumab, EO-3021 and potential future product candidates through clinical development. Our prior losses, combined

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with expected future losses, have had, and will continue to have, an adverse effect on our stockholders’ equity and working

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capital. We expect our research and development expenses to significantly increase in connection with our additional planned clinical trials for seribantumab, including our ongoing Phase 2 clinical trial, CRESTONE, and the planned exploratory cohorts, and the development of other future product candidates we may choose to pursue. In addition, if we obtain marketing approval for any product candidate, we will incur significant sales, marketing and outsourced manufacturing expenses in connection with the commercialization of such product candidate. After our initial public offering, we incurred and will continue to incur additional costs associated with operating as a public company. As a result, we expect to continue to incur significant and increasing operating losses for the foreseeable future.

Our ability to become profitable depends upon our ability to generate revenue. To date, we have not generated any revenue and we do not know when, or if, we will generate any revenue. We do not expect to generate significant revenue unless and until we obtain marketing approval for, and begin to sell, seribantumab or another product candidate. Our ability to generate revenue and become profitable will depend on a number of factors, including, but not limited to, our ability to:

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successfully meet our clinical endpoints in our Phase 2 CRESTONE clinical trial;

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initiate and successfully complete all safety, pharmacokinetic and other registrational-enabling studies required to obtain U.S. and foreign marketing approval for seribantumab as a treatment for patients with solid tumors driven by an NRG1 gene fusion;

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initiate and complete successful later-stage clinical trials that meet their clinical endpoints;

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submit a BLA for seribantumab to the FDA that is filed by the FDA;

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obtain marketing approval for seribantumab and our other product candidates;

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establish licenses, collaborations or strategic partnerships that may increase the value of our programs;

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successfully manufacture or contract with others to manufacture seribantumab and our other product candidates;

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commercialize product candidates, if approved, by building a sales force or entering into collaborations with third parties;

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obtain, maintain, protect and defend our intellectual property portfolio;

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achieve market acceptance of our product candidates with the medical community and with third-party payors; and

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attract, hire and retain additional administrative, clinical, regulatory and scientific personnel.

We are only in the preliminary stages of most of these activities. We may never succeed in these activities and, even if we do, may never generate revenues that are significant enough to achieve profitability.

In cases where we are successful in obtaining regulatory approval to market our product candidates, our revenue will be dependent, in part, upon the size of the markets in the territories for which we gain regulatory approval, the accepted price for the product, the ability to obtain coverage and reimbursement, and whether we own the commercial rights for that territory. If the number of our addressable patients is significantly lower than we estimate, the indication approved by regulatory authorities is narrower than we expect, or the treatment population is narrowed by competition, physician choice or treatment guidelines, we may not generate significant revenue from sales of such products, even if they are approved.

Because of the numerous risks and uncertainties associated with drug development, we are unable to accurately predict the timing or amount of increased expenses we will incur and when, or if, we will be able to achieve profitability. If we decide to or are required by the FDA or regulatory authorities in other jurisdictions to perform studies or clinical trials in

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addition to those we currently anticipate, or if there are any delays in establishing appropriate manufacturing arrangements

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for, in initiating or completing our current and planned clinical trials for, or in the development of, our product candidates, our expenses could increase materially and our potential profitability could be further delayed.

Even if we do achieve profitability, we may not be able to sustain or increase profitability on a quarterly or annual basis. Accordingly, you should not rely upon the results of any quarterly or annual periods as predictions or indications of future operating performance. We expect our financial condition and operating results to fluctuate from quarter-to-quarter and year-to-year due to a variety of factors, many of which are beyond our control. Our failure to become and remain profitable would decrease the value of our company and could impair our ability to raise capital, expand our business, maintain our research and development efforts, diversify our product offerings or even continue our operations. A decline in the value of our company could also cause you to lose all or part of your investment.

We require substantial additional funding to pursue our business objectives. If we are unable to raise additional capital when needed or on terms acceptable to us, we could be forced to delay, reduce or terminate our research or drug development programs, any future commercialization efforts or other operations.

Identifying and developing potential product candidates and conducting preclinical studies and clinical trials is a time-consuming, expensive and uncertain process that takes years to complete, and we may never generate the necessary data or results required to obtain regulatory approval and begin selling any approved product. We expect our expenses to increase substantially in connection with our ongoing activities, particularly as we advance the clinical development of our product candidates and seek to develop or acquire additional product candidates. We expect increased expenses as we continue our research and development activities, initiate additional clinical trials and seek marketing approval for our product candidates. In addition, if we obtain marketing approval for any product candidate, we expect to incur significant commercialization expenses related to product manufacturing, marketing, sales and distribution. Furthermore, following the closing of our initial public offering, we have incurred, and expect to continue to incur, additional costs associated with operating as a public company. Accordingly, we will need to obtain substantial additional funding in connection with our continuing operations. Adequate additional financing may not be available to us on favorable terms, or at all.

In addition, we may seek additional capital due to favorable market conditions or strategic considerations even if we believe we have sufficient funds for our current or future operating plans. If we are unable to raise additional capital when needed or on favorable terms, we could be forced to delay, reduce or eliminate our research and development programs, our commercialization plans or other operations. In July 2022, we entered into the Sales Agreement with Cowen, pursuant to which we may offer and sell to or through Cowen acting as agent and/or principal, shares of our common stock having aggregate gross proceeds of up to $50.0 million. Under the Sales Agreement, Cowen may sell the shares by any method permitted by law and deemed to be an “at the market” offering as defined in Rule 415 of the Securities Act or in other transactions pursuant to an effective shelf registration statement on Form S-3. Also in July 2022, we entered into the Loan Agreement with K2HV to provide up to $50.0 million principal amount in term loans.

We believe that our existing cash, cash equivalents and marketable securities as of ~~June~~September 30, 2022 will enable us to fund our operating expenses and capital expenditure requirements into 2024. We have based this estimate on assumptions that may prove to be wrong, and we could use our capital resources sooner than we currently expect. Changes beyond our control may occur that would cause us to use our available capital before that time, including changes in and progress of our drug development activities and changes in government regulations. Our future capital requirements will depend on many factors, including:

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the progress, timing and results of preclinical studies and clinical trials for our product candidates;

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disruptions or delays in enrollment of our clinical trials;

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the extent to which we develop, in-license or acquire other product candidates or technologies;

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the number and development requirements of other future product candidates that we may pursue, and other indications for product candidates that we may pursue;

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the costs, timing and outcome of obtaining regulatory approvals of our product candidates and any companion diagnostics that we may pursue;

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the scope and costs of making arrangements with third-party manufacturers, or establishing manufacturing capabilities, for both clinical and commercial supplies of our product candidates;

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the costs involved in growing our organization to the size needed to allow for the research, development and potential commercialization of our product candidates;

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the costs associated with commercializing any approved product candidates, including establishing sales, marketing and distribution capabilities;

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the costs associated with completing any post-marketing studies or trials required by the FDA or other regulatory authorities;

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the revenue, if any, received from commercial sales of our product candidates, if approved;

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the costs associated with potential product liability claims, including the costs associated with obtaining insurance against such claims and with defending against such claims; and

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to the extent we pursue strategic collaborations, including collaborations to commercialize our product candidates or to develop any future product candidates, our ability to establish and maintain collaborations on favorable terms, if at all, as well as the timing and amount of any milestone or royalty payments that we are required to make or are eligible to receive under any such collaborations.

We require additional capital to complete our planned clinical development programs for our current product candidates to obtain regulatory approval. Our ability to raise additional funds will depend on financial, economic and market conditions and other factors over which we may have no or limited control. If adequate funds are not available on commercially acceptable terms when needed, we may be forced to delay, reduce or terminate the development or commercialization of our product candidates or we may be unable to take advantage of future business opportunities. Furthermore, any additional capital-raising efforts may divert our management from their day-to-day activities, which may adversely affect our ability to develop and commercialize our product candidates.

Raising additional capital may cause dilution to our stockholders, restrict our operations or require us to relinquish proprietary rights to our technologies or product candidates.

Until such time, if ever, as we can generate substantial product revenue, we expect to finance our cash needs through a combination of equity offerings, debt financings, collaborations, strategic alliances and marketing, distribution or licensing arrangements. In addition, we may seek additional capital due to favorable market conditions or strategic considerations, even if we believe that we have sufficient funds for our current or future operating plans. To the extent that we raise additional capital through the sale of equity or convertible debt securities, your ownership interest will be diluted, and the terms of these securities may include liquidation or other preferences that adversely affect your rights as a common stockholder. Debt financing and preferred equity financing, if available, may involve agreements that include covenants limiting or restricting our ability to take specific actions, such as incurring additional debt, making acquisitions or capital expenditures or declaring dividends.

If we raise additional funds through collaborations, strategic alliances or marketing, distribution or licensing arrangements with third parties, we may have to relinquish valuable rights to our technologies, future revenue streams, research programs or product candidates or grant licenses on terms that may not be favorable to us. If we are unable to raise additional funds

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through equity or debt financings or other arrangements when needed, we may be required to delay, limit, reduce or terminate our research, product development or future commercialization efforts or grant rights to third parties to develop and market product candidates that we would otherwise prefer to develop and market ourselves.

Our loan and security agreement contains restrictive and financial covenants that may limit our operating flexibility.

Our Loan Agreement with K2HV is secured by a lien covering substantially all of our personal property, excluding intellectual property.

The Loan Agreement contains customary representations and warranties, events of default and affirmative and negative covenants, including covenants that limit or restrict our ability to, among other things, dispose of assets, make changes to our business, management, ownership or business locations, merge or consolidate, incur additional indebtedness, pay dividends or other distributions or repurchase equity, make investments, and enter into certain transactions with affiliates, in each case subject to certain exceptions. The Loan Agreement also contains covenants requiring that that we maintain cash, cash equivalents and marketable securities balance of at least $25.0 million so long as our total market capitalization is less than $250.0 million.

The restrictions and covenants in the Loan Agreement, as well as those contained in any future debt financing agreements that we may enter into, may restrict our ability to finance our operations and engage in, expand or otherwise pursue our business activities and strategies. Our ability to comply with these covenants and restrictions may be affected by events beyond our control, and breaches of these covenants and restrictions could result in a default under the Loan Agreement and any future financing agreements that we may enter into.

Further, the Term Loan issued under the Loan Agreement is based in on the published prime rate, a floating rate, subject to a minimum rate set in the Loan Agreement. The Federal Reserve has recently raised, and may in the future further raise, interest rates to combat the effects of recent high inflation. An increase in the prime rate above the set minimum rate would increase our debt service obligations, which could have a negative impact on our cash flow, financial position or operating results, or result in increased borrowing costs in the future.

Risks related to the design and development of our product candidates

Our future success is highly dependent on our ability to obtain regulatory approval for, and then successfully commercialize or identify a strategic partner to commercialize, our most advanced product candidate, seribantumab. Seribantumab is currently being evaluated in a Phase 2 clinical trial, which we refer to as CRESTONE. We currently have no products that are approved for sale in any jurisdiction. Our product candidates may not achieve success in their clinical trials or obtain regulatory approval. If we do not obtain regulatory approval for our product candidates and successfully commercialize them in one or more indications or if we experience significant delays in doing so, we may never generate any revenue or become profitable.

Our ability to generate product revenues, which we do not expect will occur for many years, if ever, will depend heavily on the successful development and eventual commercialization of our product candidates. The success of our product candidates will depend on several factors, including the following:

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successful completion of preclinical studies and clinical trials, including our CRESTONE trial;

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timely and successful enrollment of patients in, and completion of, clinical trials with favorable results;

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demonstration of safety, efficacy and acceptable risk-benefit profiles of our product candidates to the satisfaction of the FDA and other regulatory agencies;

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our ability, or that of our collaborators, to develop and obtain clearance or approval of companion diagnostics, on a timely basis, or at all;

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receipt and related terms of marketing approvals from applicable regulatory authorities for our product candidates, including the completion of any required post-marketing studies or trials;

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raising additional funds necessary to complete the clinical development of and commercialization of our product candidates;

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successfully identifying and developing, acquiring or in-licensing additional product candidates to expand our pipeline;

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acceptance of an ~~IND~~investigational new drug application (“IND”) by the FDA or other similar clinical trial applications from other regulatory authorities for clinical trials for future product candidates;

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obtaining and maintaining patent, trade secret and other intellectual property protection and regulatory exclusivity for our product candidates;

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making arrangements with third-party manufacturers, or establishing manufacturing capabilities, for both clinical and commercial supplies of our product candidates;

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establishing sales, marketing and distribution capabilities and launching commercial sales of our products, if approved, whether alone or in collaboration with third parties;

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acceptance of our products, if approved, by patients, the medical community and third-party payors;

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effectively competing with other therapies available on the market or in development;

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obtaining and maintaining third-party payor coverage and adequate reimbursement; and

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maintaining a continued acceptable safety profile of any products following regulatory approval.

Many of these factors are beyond our control, and it is possible that none of our product candidates, including seribantumab, will ever obtain regulatory approval even if we expend substantial time and resources seeking such approval. If we experience significant delays or are otherwise unable to successfully commercialize our product candidates, it would materially harm our business.

Drug development is a lengthy and expensive process, and clinical testing is uncertain as to the outcome.

We currently have one product candidate in Phase 2 clinical development and have in-licensed another product candidate which is expected to begin clinical trials in the United States in 2023, and the risk of failure is high. We are unable to predict when or if our product candidates will prove effective and safe in humans or will obtain marketing approval. Before obtaining marketing approval from regulatory authorities for the sale of any product candidate, we must complete preclinical development and then conduct extensive clinical trials to demonstrate the safety and efficacy of our product candidate in humans. Clinical testing is expensive, difficult to design and implement, can take many years to complete and is uncertain as to the outcome.

A failure of one or more clinical trials can occur at any stage of testing. The outcomes of preclinical testing and early clinical trials may not be predictive of the success of later clinical trials or of clinical trials of the same product candidates in other indications, and interim or preliminary results of a clinical trial do not necessarily predict final results. For example, Merrimack Pharmaceuticals, Inc., or the previous sponsor, terminated its Phase 2 clinical trial of seribantumab in combination with docetaxel in patients with heregulin positive non-small cell lung cancer based on an interim analysis that demonstrated that the addition of seribantumab to docetaxel did not improve progression-free survival over docetaxel

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alone in this patient population. The previous sponsor also terminated its Phase 2 clinical trial of seribantumab in combination with fulvestrant in patients with heregulin positive, hormone receptor positive, ERBB2 (HER2) negative, metastatic breast cancer based on the interim analysis of the results of the non-small lung cancer trial. Although our CRESTONE trial of seribantumab is in a tumor-agnostic NRG1 fusion indication and therefore differs from the previous trials conducted by the previous sponsor, we may observe similar outcomes that could limit our ability to receive regulatory approval for seribantumab. While we believe that oncogenic driver events are a primary cause for the oncogenesis and progression of certain tumors, the signaling pathways in cancer are complex and treatment with a monotherapy may not produce a durable clinical benefit and combinations with other anti-cancer agents may need to be explored. There are no approved therapies for patients with tumors harboring an NRG1 fusion and our approach of inhibiting HER3 may not result in a durable clinical outcome. In addition, while some results in patients, such as observations of stable disease, may suggest encouraging clinical activity with respect to seribantumab, we expect that stable disease would not be considered to be a sufficient response for regulatory approval purposes. Furthermore, we may observe adverse safety events in the CRESTONE trial or later trials that were not observed in prior trials, which would alter the anticipated risk-benefit profile of seribantumab and reduce the likelihood that seribantumab receives regulatory approval.

The COVID-19 pandemic could adversely impact our business, including the conduct of our clinical trials and potential supply chain disruptions.

The ongoing COVID-19 pandemic, both in the United States and in other countries in which we have planned or have active clinical trial sites and where our third-party manufacturers operate, could cause significant disruptions that could severely impact our business, including:

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delays or difficulties in screening, enrolling and maintaining patients in our clinical trials;

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delays or difficulties in clinical site initiation, including difficulties in recruiting clinical site investigators and clinical site staff;

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diversion of healthcare resources away from the conduct of clinical trials, including the diversion of hospitals serving as our clinical trial sites and hospital staff supporting the conduct of our clinical trials;

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inability or unwillingness of subjects to travel to the clinical trial sites;

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delays, difficulties or incompleteness in data collection and analysis and other related activities;

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decreased implementation of protocol required clinical trial activities and quality of source data verification at clinical trial sites;

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interruption of key clinical trial activities, such as clinical trial site monitoring, due to limitations on travel imposed or recommended by federal or state governments, employers and others;

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limitations in employee resources that would otherwise be focused on the conduct of our clinical trials and our other research and development activities, including because of sickness of employees or their families or mitigation measures such as lock-downs and social distancing;

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delays due to production shortages resulting from any events affecting raw material supply or manufacturing capabilities domestically and abroad;

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delays in receiving approval from local regulatory authorities to initiate our planned clinical trials;

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delays in clinical sites receiving the supplies and materials needed to conduct our clinical trials;

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interruption in global and domestic shipping that may affect the transport of clinical trial materials, such as investigational drug products used in our clinical trials;

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changes in local regulations as part of a response to the COVID-19 pandemic which may require us to change the ways in which our clinical trials are conducted, which may result in unexpected costs, delays or require us to discontinue the clinical trials altogether;

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delays in necessary interactions with local regulators, ethics committees and other important agencies and contractors due to limitations in employee resources or forced furlough of government employees;

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refusal of regulatory authorities such as FDA or European Medicines Agency, or EMA, to accept data from clinical trials in affected geographies; and

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adverse impacts on global economic conditions which could have an adverse effect on our business and financial condition, including impairing our ability to raise capital when needed.

Such disruptions could impede, delay, limit or prevent completion of our ongoing clinical trials and preclinical studies or commencement of new clinical trials and ultimately lead to the delay or denial of regulatory approval of our product candidates, which would seriously harm our operations and financial condition and increase our costs and expenses. Furthermore, if either we or any third party in the supply chain for materials used in the production of our product candidates are adversely impacted by restrictions resulting from the COVID-19 pandemic, our supply chain may be disrupted, limiting our ability to manufacture product candidates for our clinical trials. We are in close contact with our clinical research organizations, or CROs, our contract manufacturing organizations, or CMOs, and clinical sites as we seek to mitigate the impact of COVID-19 on our CRESTONE trial and current timelines. Measures we have taken in response to COVID-19 include, where feasible, conducting remote clinical trial site activations and data monitoring, and limiting on-site patient visits by adjusting patient assessments and protocol. However, despite these efforts, we have experienced limited delays in trial site initiations, patient participation and patient enrollment in some of our clinical trials and we may continue to experience some delays in our clinical trials and preclinical studies and delays in data collection and analysis.

These negative impacts could be exacerbated as the COVID-19 pandemic and the response to it continues to evolve. The COVID-19 pandemic could also affect the business of the FDA, EMA or other health authorities, which could result in delays in meetings related to planned or completed clinical trials and ultimately of reviews and approvals of our product candidates. The extent to which the pandemic impacts our business and clinical trials will depend on future developments, which are highly uncertain and cannot be predicted with confidence, such as the success of mass vaccination efforts globally, travel restrictions and social distancing in the United States and other countries, business closures or business disruptions and the effectiveness of actions taken by governmental authorities to contain and address the challenges posed by COVID-19.

We may incur additional costs or experience delays in completing, or ultimately be unable to complete the development and/or commercialization of our product candidates.

Any delays in the commencement or completion of our ongoing, planned or future clinical trials could significantly increase our product development costs. We may experience numerous unforeseen events during, or as a result of, clinical trials that could delay or prevent our ability to obtain marketing approval or commercialize our product candidates, including:

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regulators, institutional review boards, or IRBs, or ethics committees, or ECs, may not authorize us or our investigators to commence a clinical trial or conduct a clinical trial at a prospective trial site;

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the FDA may disagree as to the design or implementation of our clinical trials or with our recommended Phase 2 doses for seribantumab, or with respect to any of our product candidates;

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we may experience delays in reaching, or fail to reach, agreement on acceptable clinical trial contracts or clinical trial protocols with prospective CROs and prospective trial sites;

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clinical trials for our product candidates may produce negative or inconclusive results, and we may decide, or regulators may require us, to conduct additional clinical trials, delay or halt clinical trials or abandon product development programs;

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lack of adequate funding to continue clinical trials;

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the number of patients required for clinical trials may be larger than we anticipate, enrollment in these clinical trials may be slower than we anticipate or may be lower than we anticipate due to challenges in recruiting and enrolling suitable patients who meet the trial criteria, participants may drop out of these clinical trials at a higher rate than we anticipate or the duration of these clinical trials may be longer than we anticipate;

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competition for clinical trial participants from investigational and approved therapies may make it more difficult to enroll patients in our clinical trials;

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we may experience difficulties in maintaining contact with patients after treatment, resulting in incomplete data;

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we or third-party collaborators may fail to obtain regulatory approval of companion diagnostic tests, if required, on a timely basis, or at all;

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our third-party contractors may fail to meet their contractual obligations to us in a timely manner, or at all, or may fail to comply with regulatory requirements;

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we may have to suspend or terminate clinical trials for various reasons, including a finding by us or by a Data Monitoring Committee for a trial that the participants are being exposed to unacceptable health risks;

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our product candidates may have undesirable or unexpected side effects or other unexpected characteristics, causing us or our investigators, regulators or IRBs or ECs to suspend or terminate the trials;

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the cost of clinical trials may be greater than we anticipate;

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changes to clinical trial protocols;

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the supply or quality of our product candidates or other materials necessary to conduct clinical trials may be insufficient or inadequate and result in delays or suspension of our clinical trials; and

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the impact of the ongoing COVID-19 pandemic, which may slow potential enrollment, reduce the number of eligible patients for clinical trials, or reduce the number of patients who remain in our trials.

Delays, including delays caused by the above factors, can be costly and could negatively affect our ability to complete a clinical trial or obtain timely marketing approvals. We do not know whether any of our planned preclinical studies or clinical trials will begin on a timely basis or at all, will need to be restructured or will be completed on schedule, or at all. For example, the FDA may place a partial or full clinical hold on the CRESTONE trial or any of our future clinical trials for a variety of reasons, including safety concerns and noncompliance with regulatory requirements. If we are not able to complete successful clinical trials, we will not be able to obtain regulatory approval and will not be able to commercialize seribantumab or our future product candidates.

Significant preclinical or clinical trial delays also could shorten any periods during which we may have the exclusive right to commercialize our product candidates or allow our competitors to bring products to market before we do and impair our ability to successfully commercialize our product candidates, which would limit our future revenues and harm our commercial prospects.

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If we experience delays or difficulties in enrolling patients in our ongoing or planned clinical trials, our receipt of necessary regulatory approval could be delayed or prevented.

We may not be able to initiate or continue our ongoing or planned clinical trials if we are unable to identify and enroll a sufficient number of eligible patients to participate in these trials as required by the FDA or comparable foreign regulatory authorities. In addition, some of our competitors currently have ongoing clinical trials for product candidates that would treat the same patients as our product candidates, and patients who would otherwise be eligible for our clinical trials may instead enroll in clinical trials of our competitors’ product candidates. This is acutely relevant for our development of seribantumab for the treatment of patients with solid tumors driven by an NRG1 gene fusion, which are rare genomic alterations. Enrolling patients for our clinical trials requires promptly identifying cancer patients with NRG1 fusions and placing these patients in one of our qualified sites in a timely manner. We rely on several diagnostic partners to conduct initial testing to identify patients with NRG1 fusions that are eligible for the CRESTONE trial. If one or more of these partners encounters delays or is otherwise unable to conduct these tests and identify potential patients, enrollment in our clinical trials may be substantially delayed. In addition, these partners work with several other companies, including our competitors, and may divert resources to collaborations with these other companies, which may detrimentally affect enrollment in our clinical trials. Patient enrollment is also affected by other factors, including:

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the severity of the disease under investigation;

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our ability to recruit clinical trial investigators of appropriate competencies and experience;

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the incidence and prevalence of our target indications;

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clinicians’ and patients’ awareness of genomic testing mechanisms to screen patients for NRG1 gene fusions and perceptions as to the potential advantages and risks of our product candidates in relation to other available therapies, including any new drugs that may be approved for the indications we are investigating;

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competing studies or trials with similar eligibility criteria;

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invasive procedures required to enroll patients and to obtain evidence of the product candidates’ performance during clinical trials;

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availability and efficacy of approved medications for the disease under investigation;

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eligibility criteria defined in the protocol for the trial in question;

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the size and nature of the patient population required for analysis of the trial’s primary endpoints;

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efforts to facilitate timely enrollment in clinical trials;

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whether we are subject to a partial or full clinical hold on any of our clinical trials;

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reluctance of physicians to encourage patient participation in clinical trials;

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the ability to monitor patients adequately during and after treatment;

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our ability to obtain and maintain patient consents; and

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proximity and availability of clinical trial sites for prospective patients.

Our inability to enroll and maintain a sufficient number of patients for our clinical trials would result in significant delays or may require us to abandon one or more clinical trials altogether. Enrollment delays in our clinical trials, including due to the COVID-19 pandemic, may result in increased development costs, which would cause the value of our company to

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decline, limit our ability to obtain additional financing and delay or limit our ability to obtain regulatory approval for our product candidates.

As is the case with biologics generally, we have observed side effects and adverse events associated with seribantumab. Although seribantumab has been evaluated in over 800 patients in clinical trials to date, unexpected side effects may still arise in our ongoing or any future clinical trial. These side effects have included rashes, diarrhea, nausea, fatigue and hypomagnesemia. Additionally, reported treatment emergent serious adverse events, or SAEs, included one patient at the lowest dose cohort (3.2mg/kg), who experienced Grade 4 confusional state determined to be possibly related to seribantumab, and which was considered to be the only dose limiting toxicity, or DLT.

Results of our ongoing and planned clinical trials ~~which will include testing~~ of seribantumab ~~at doses~~ and ~~on schedules that have not been previously tested clinically,~~EO-3021 could reveal a high and unacceptable severity and prevalence of side effects or unexpected characteristics. Undesirable side effects could result in the delay, suspension or termination of clinical trials by us or regulatory authorities for a number of reasons. Furthermore, clinical trials by their nature utilize a sample of the potential patient population. With a limited number of subjects and limited duration of exposure, rare and severe side effects of our product candidates or those of our competitors may only be uncovered with a significantly larger number of patients exposed to the drug.

Additionally, due to the high mortality rates of the cancers for which we are initially pursuing development, ~~and the pretreated nature of many patients in our ongoing clinical trial of seribantumab,~~ a material percentage of patients in these clinical trials may die during a trial. If we elect to, or are required to, delay, suspend or terminate any clinical trial, whether due to a patient death or otherwise, the commercial prospects of seribantumab, EO-3021 or our future product candidates will be harmed and our ability to generate product revenues will be delayed or eliminated. SAEs observed in clinical trials could hinder or prevent market acceptance of our product candidates, which would harm our commercial prospects our financial condition and our reputation.

Moreover, if any of our product candidates is associated with undesirable or unexpected side effects in clinical trials, we may elect to abandon or limit their development to more narrow uses or subpopulations in which the undesirable side effects or other characteristics are less prevalent, less severe or more acceptable from a risk-benefit perspective, which may limit the commercial expectations for the product candidate, even if it is approved. We may also be required to modify our trial plans based on findings in our clinical trials. Side effects could also affect patient recruitment or the ability of enrolled patients to complete a trial. Many drugs that initially showed promise in early stage testing have later been found to cause side effects that prevented further development. In addition, regulatory authorities may draw different conclusions, require additional testing to confirm these determinations, require more restrictive labeling or deny regulatory approval of the product candidate.

It is possible that, as we test our product candidates in larger, longer and more extensive clinical trials, including with different dosing regimens, or as the use of our product candidates becomes more widespread following any regulatory approval, illnesses, injuries, discomforts and other adverse events that were observed in earlier trials, as well as conditions that did not occur or went undetected in previous trials, will be reported by patients. If such side effects become known later in development or upon approval, if any, such findings may harm our business, financial condition, results of operations and prospects significantly.

In addition, if any of our product candidates receives marketing approval, and we or others later identify undesirable side effects caused by treatment with such drug, a number of potentially significant negative consequences could result, including:

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regulatory authorities may withdraw approval of the drug;

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we may be required to recall a product or change the way the drug is administered to patients;

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regulatory authorities may require additional warnings in the labeling, such as a contraindication or a boxed warning, or issue safety alerts, Dear Healthcare Provider letters, press releases or other communications containing warnings or other safety information about the product;

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we may be required to implement a ~~REMS,~~risk evaluation and mitigation strategy (“REMS”), or create a medication guide outlining the risks of such side effects for distribution to patients;

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additional restrictions may be imposed on the marketing or promotion of the particular product or the manufacturing processes for the product or any component thereof;

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we could be sued and held liable for harm caused to patients;

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we may be subject to regulatory investigations and government enforcement actions;

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the drug could become less competitive; and

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our reputation may suffer.

Any of these events could prevent us from achieving or maintaining market acceptance of our product candidates, if approved, and could significantly harm our business, financial condition, results of operations and prospects.

Preliminary, interim and topline data from our clinical trials that we announce or publish from time to time may change as more patient data becomes available and is subject to audit and verification procedures that could result in material changes in the final data.

From time to time, we may publicly disclose preliminary, interim or topline data from our clinical trials. These updates will be based on a preliminary analysis of then-available data, and the results and related findings and conclusions are subject to change following a more comprehensive review of the data related to the particular study or trial. Additionally, interim data from clinical trials that we may complete are subject to the risk that one or more of the clinical outcomes may materially change as patient enrollment continues and more patient data becomes available. Therefore, positive interim results in any ongoing clinical trial may not be predictive of such results in the completed study or trial. We also make assumptions, estimations, calculations and conclusions as part of our analyses of data, and we may not have received or had the opportunity to fully and carefully evaluate all data. As a result, the topline results that we report may differ from future results of the same studies, or different conclusions or considerations may qualify such results, once additional data has been received and fully evaluated. Topline data also remains subject to audit and verification procedures that may result in the final data being materially different from the preliminary data we previously published. As a result, topline data should be viewed with caution until the final data is available. In addition, we may report interim analyses of only certain endpoints rather than all endpoints. Adverse changes between preliminary or interim data and final data could significantly harm our business and prospects. Further, additional disclosure of interim data by us or by our competitors in the future could result in volatility in the price of our common stock. See the description of risks under the heading “Risks Related to our Common Stock” for more disclosure related to the risk of volatility in our stock price.

Further, others, including regulatory agencies, may not accept or agree with our assumptions, estimates, calculations, conclusions or analyses or may interpret or weigh the importance of data differently, which could impact the value of the particular program, the approvability or commercialization of the particular product candidate or product and our company in general. In addition, the information we choose to publicly disclose regarding a particular study or clinical trial is typically selected from a more extensive amount of available information. You or others may not agree with what we determine is the material or otherwise appropriate information to include in our disclosure, and any information we determine not to disclose may ultimately be deemed significant with respect to future decisions, conclusions, views, activities or otherwise regarding a particular product, product candidate or our business.

Additionally, our CRESTONE trial and potentially other future clinical trials we conduct may be open-label trials in which both the patient and investigator know whether the patient is receiving the investigational product candidate or either an

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existing approved product or placebo. Open-label clinical trials typically test only the investigational product candidate and sometimes may do so at different dose levels. Open-label clinical trials are subject to various limitations that may exaggerate any therapeutic effect as patients in open-label clinical trials are aware when they are receiving treatment. Open-label clinical trials may be subject to a “patient bias” where patients perceive their symptoms to have improved merely due to their awareness of receiving an experimental treatment. In addition, open-label clinical trials may be subject to an “investigator bias” where those assessing and reviewing the physiological outcomes of the clinical trials are aware of which patients have received treatment and may interpret the information of the treated group more favorably given this knowledge.

If the preliminary or topline data that we report differs from late, final or actual results, or if others, including regulatory authorities, disagree with the conclusions reached, our ability to obtain approval for, and commercialize, our product candidates may be harmed.

From time to time, we may consider strategic transactions, such as additional collaborations, acquisitions of companies, asset purchases, joint ventures and in-licensing of new products, product candidates or technologies that we believe will complement or augment our existing business. For example, in 2019, we acquired our most advanced product candidate, seribantumab, pursuant to an asset acquisition agreement with the previous sponsor and in July 2022, we entered into a license agreement pursuant to which CSPC granted us exclusive rights to develop and commercialize EO-3021 in ~~all global territories outside Greater China.~~the Territory. If we acquire additional assets with promising markets or technologies, we may not be able to realize the benefit of acquiring such assets if we are not able to successfully integrate them with our existing technologies. We may encounter numerous difficulties in developing, testing, manufacturing and marketing any new products resulting from a strategic acquisition that delay or prevent us from realizing their expected benefits or enhancing our business.

Following any such strategic transaction, we may not achieve any expected synergies to justify the transaction. For example, such transactions may require us to incur non-recurring or other charges, increase our near-term and long- term expenditures and pose significant integration or implementation challenges or disrupt our management or business. These transactions would entail numerous operational and financial risks, including, but not limited to, exposure to unknown liabilities, disruption of our business and diversion of our management’s time and attention in order to manage a collaboration or develop acquired products, product candidates or technologies, incurrence of substantial debt or dilutive issuances of equity securities to pay transaction consideration or costs, higher than expected acquisition or integration costs, write-downs of assets or goodwill or impairment charges, increased amortization expenses, difficulty and cost in facilitating the transaction or combining the operations and personnel of any acquired business, impairment of relationships with key suppliers, manufacturers or customers of any acquired business due to changes in management and ownership and the inability to retain key employees of any acquired business.

Accordingly, although there can be no assurance that we will undertake or successfully complete any transactions of the nature described above, any transactions that we do complete may be subject to the foregoing or other risks and could have a material and adverse effect on our business, financial condition, results of operations and prospects. Conversely, any failure to enter any strategic transaction that would be beneficial to us could delay the development and potential commercialization of our product candidates and could have a negative impact on the competitiveness of any product candidate that reaches market.

We may expend our limited resources to pursue a particular product candidate or indication and fail to capitalize on product candidates or indications that may be more profitable or for which there is a greater likelihood of success.

Because we have limited financial and managerial resources, we focus on research programs and product candidates that we identify for specific indications. As a result, we may forego or delay pursuit of opportunities with other future product candidates or for other indications that later prove to have greater commercial potential.

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Our resource allocation decisions may cause us to fail to capitalize on viable commercial products or profitable market opportunities. Our spending on current and future research and development programs and product candidates for specific indications may not yield any commercially viable products. If we do not accurately evaluate the commercial potential or target market for a particular product candidate, we may relinquish valuable rights to that product candidate through collaboration, licensing or other royalty arrangements in cases in which it would have been more advantageous for us to retain sole development and commercialization rights to that product candidate.

We may in the future conduct clinical trials for our product candidates outside the United States, and the FDA or comparable foreign regulatory authorities may not accept data from such trials.

We may in the future choose to conduct one or more clinical trials outside the United States. Further, we may open sites for our CRESTONE trial that are located outside the United States. The acceptance of trial data from clinical trials conducted outside the United States or another jurisdiction by the FDA or comparable regulatory authorities may be subject to certain conditions or may not be accepted at all. In cases where data from clinical trials conducted outside the United States is intended to serve as the basis for marketing approval in the United States, the FDA will generally not approve the application on the basis of these data alone unless the data is applicable to the U.S. population and U.S. medical practice, including availability of drugs as standard of care, and the trials were performed by clinical investigators of recognized competence and pursuant to GCP regulations. Additionally, the FDA’s clinical trial requirements, including sufficient size of patient populations and statistical powering, must be met. Many other regulatory authorities have similar approval requirements. In addition, such trials would be subject to the applicable local laws of the respective jurisdictions where the trials are conducted. There can be no assurance that the FDA, EMA or any comparable regulatory authority will accept data from trials conducted outside of the United States or the applicable jurisdiction. If the FDA, EMA or any comparable regulatory authority does not accept such data, it would result in the need for additional trials, which would be costly and time-consuming and delay aspects of our business plan, and which may result in product candidates that we may develop not receiving approval for commercialization in the applicable jurisdiction.

This lengthy approval process, as well as the unpredictability of the results of clinical trials, may result in our failing to obtain regulatory approval to market any of our product candidates, which would significantly harm our business, results of operations, and prospects.

Risks related to government regulation

The clinical development, manufacturing, labeling, packaging, storage, recordkeeping, advertising, promotion, export, import, marketing, distribution, adverse event reporting, including the submission of safety, and other post-marketing information and reports, and other possible activities relating to our product candidates, are subject to extensive regulation. Marketing approval of biologics in the United States requires the submission of a BLA to the FDA, and we are not permitted to market any product candidate in the United States until we obtain approval from the FDA of the BLA for that product. A BLA must be supported by extensive clinical and preclinical data, as well as extensive information regarding pharmacology, chemistry, manufacturing and controls. Our product candidates must also be approved by comparable regulatory authorities in other jurisdictions prior to commercialization in those jurisdictions.

FDA approval of a BLA is not guaranteed, and the review and approval process is an expensive and uncertain process that may take several years. Of the large number of drugs in development in the United States, only a small percentage will successfully complete the FDA regulatory approval process and will be commercialized. Accordingly, there can be no assurance that any of our product candidates will receive regulatory approval in the United States, or other jurisdictions. Most applications for standard review biologic products are reviewed within 10 to 12 months; most applications for priority review biologics are reviewed in six to eight months. Priority review can be applied to biologics that the FDA determines may offer significant improvement in safety or effectiveness compared to marketed products or where no adequate therapy exists. The review process for both standard and priority review may be extended by the FDA for three additional months to consider certain late-submitted information, or information intended to clarify information already provided in the

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submission. The FDA does not always meet its goal dates for standard and priority BLAs, and the review process can be extended by FDA requests for additional information or clarification.

The FDA also has substantial discretion in the approval process. The number and types of preclinical studies and clinical trials that will be required for BLA approval varies depending on the product candidate, the disease or the condition that the product candidate is designed to treat and the regulations applicable to any particular product candidate. For example, if successful, we believe that the CRESTONE trial may be sufficient to support FDA approval of a BLA for seribantumab, but the FDA may disagree with the sufficiency of our data and require additional clinical trials. In addition, development programs that span many tumor types are relatively novel, and, to date, the FDA has approved only a handful of therapies to treat multiple tumor types based on a common biomarker. We cannot be sure that the FDA will accept our BLA for seribantumab or our other product candidates. Further, depending upon the results of the CRESTONE trial, we may choose to seek Subpart H accelerated approval for seribantumab, which would require completion of a confirmatory trial to validate its clinical benefit. Despite the time and expense associated with preclinical studies and clinical trials, failure can occur at any stage. The results of preclinical and early clinical trials of our product candidates may not be predictive of the results of our later-stage clinical trials.

Clinical trial failure may result from a multitude of factors including flaws in trial design, dose selection, patient enrollment criteria and failure to demonstrate favorable safety or efficacy traits, and failure in clinical trials can occur at any stage. Companies in the biologics industry frequently suffer setbacks in the advancement of clinical trials due to lack of efficacy or adverse safety profiles, notwithstanding promising results in earlier trials. Based upon negative or inconclusive results, we may decide, or regulators may require us, to conduct additional clinical trials or preclinical studies. In addition, data obtained from clinical trials is susceptible to varying interpretations, and regulators may not interpret our data as favorably as we do, which may further delay, limit or prevent marketing approval.

The FDA could delay, limit or deny approval of a product candidate for many reasons, including because the FDA:

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may not deem our product candidate to be safe and effective;

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determines that the product candidate does not have an acceptable benefit-risk profile;

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determines in the case of a BLA seeking accelerated approval that the BLA does not provide evidence that the product candidate represents a meaningful advantage over available therapies for each tumor type;

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determines that the objective response rate, or ORR, and duration of response are not clinically meaningful;

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determines that a tissue agnostic indication is not appropriate, for example, because a consistent anti-tumor effect is not observed across multiple tumor types or the response is too heavily weighted on a specific tumor type;

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may not agree that the data collected from preclinical studies and clinical trials are acceptable or sufficient to support the submission of a BLA or other submission or to obtain regulatory approval, and may impose requirements for additional preclinical studies or clinical trials;

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may determine that adverse events experienced by participants in our clinical trials represent an unacceptable level of risk;

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may determine that the population studied in the clinical trial may not be sufficiently broad or representative to assure safety in the full population for which we seek approval;

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may not accept clinical data from trials, which are conducted at clinical facilities or in countries where the standard of care is potentially different from that of the United States;

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may disagree regarding the formulation, labeling and/or specifications;

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may not approve the manufacturing processes associated with our product candidate or may determine that a manufacturing facility does not have an acceptable compliance status;

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may change approval policies or adopt new regulations; or

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may not file a submission due to, among other reasons, the content or formatting of the submission.

We have not obtained FDA approval for any product. This lack of experience may impede our ability to obtain FDA approval in a timely manner, if at all, for our product candidates.

If we experience delays in obtaining approval or if we fail to obtain approval of any product candidate, our commercial prospects will be harmed and our ability to generate revenues will be materially impaired.

The accelerated approval pathway for seribantumab may not lead to a faster development or regulatory review or approval process and does not increase the likelihood that it will receive marketing approval.

Under the FDA’s accelerated approval program, the FDA may approve a drug or biologic for a serious or life-threatening illness that provides meaningful therapeutic benefit to patients over existing treatments based upon a surrogate endpoint that is reasonably likely to predict clinical benefit, or on a clinical endpoint that can be measured earlier than irreversible morbidity or mortality, that is reasonably likely to predict an effect on irreversible morbidity or mortality or other clinical benefit, taking into account the severity, rarity, or prevalence of the condition and the availability or lack of alternative treatments. We may seek accelerated approval for seribantumab on the basis of ORR with an acceptable duration of response, a surrogate endpoint that we believe is reasonably likely to predict clinical benefit. Whether the ORR we observe in CRESTONE will be adequate to support an accelerated approval for a tissue-agnostic indication for seribantumab will depend on a number of factors, including the response rate, the durability of the responses, the observed toxicity profile, prior therapies received, and the consistency of the ORR across tumor types, with efficacy not heavily weighted toward a specific tumor type. This analysis may be complicated by whether there is an available therapy against which to compare seribantumab for certain tumor types based on the patients we enroll.

For drugs or biologics granted accelerated approval, post-marketing confirmatory trials are required to describe the anticipated effect on irreversible morbidity or mortality or other clinical benefit. These confirmatory trials must be completed with due diligence and, in some cases, the FDA may require that the trial be designed, initiated and/or fully enrolled prior to approval. If standard of care were to evolve or if any of our competitors were to receive full approval on the basis of a confirmatory trial for an indication for which we are seeking accelerated approval before we receive accelerated approval, the indication we are seeking may no longer qualify as a condition for which there is an unmet medical need and accelerated approval of our product candidate would ~~be more difficult or may~~ not ~~occur.~~occur without a showing of benefit over available therapy.

Many cancer therapies rely on accelerated approval, and the treatment landscape can change quickly as the FDA converts accelerated approvals to full approvals on the basis of successful confirmatory trials. In addition, the FDA may terminate the accelerated approval program or change the standards under which accelerated approvals are considered and granted in response to public pressure or other concerns regarding the accelerated approval program. Changes to or termination of the accelerated approval program could prevent or limit our ability to obtain accelerated approval of any of our clinical development programs. Recently, the accelerated approval pathway has come under scrutiny within the FDA and by Congress. The FDA has put increased focus on ensuring that confirmatory studies are conducted with diligence and, ultimately, that such studies confirm the benefit. For example, the FDA has convened its Oncologic Drugs Advisory Committee to review what the FDA has called dangling or delinquent accelerated approvals where confirmatory studies have not been completed or where results did not confirm benefit. ~~In addition,~~ Congress is also considering various proposals to

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potentially make changes to the accelerated approval pathway, including proposals to increase the likelihood of withdrawal of approval in such circumstances.

Moreover, the FDA may withdraw approval of our product candidate approved under the accelerated approval pathway if, for example:

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the trial or trials required to verify the predicted clinical benefit of our product candidate fail to verify such benefit or do not demonstrate sufficient clinical benefit to justify the risks associated with the candidate;

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other evidence demonstrates that our product candidate is not shown to be safe or effective under the conditions of use;

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we fail to conduct any required post-approval trial of our product candidate with due diligence; or

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we disseminate false or misleading promotional materials relating to the relevant product candidate.

Our failure to obtain marketing approval in jurisdictions outside the United States would prevent our product candidates from being marketed in those jurisdictions, and any approval we are granted for it in the United States would not assure approval in other jurisdictions.

In order to market and sell our products in any jurisdiction outside the United States, we must obtain separate marketing approvals and comply with numerous and varying regulatory requirements. The approval procedure varies among countries and can involve additional testing. The time required to obtain approval may differ substantially from that required to obtain FDA approval. The regulatory approval process outside the United States generally includes all of the risks associated with obtaining FDA approval. In addition, in many countries outside the United States, it is required that the product be approved for reimbursement before the product can be approved for sale in that country. We may not obtain approvals from regulatory authorities outside the United States on a timely basis, if at all. Approval by the FDA does not ensure approval by regulatory authorities in other countries or jurisdictions, and approval by one regulatory authority outside the United States does not ensure approval by regulatory authorities in other countries or jurisdictions or by the FDA. We may not be able to submit for marketing approvals and may not receive necessary approvals to commercialize our products in any market, which would impair our financial prospects.

We may not be able to obtain or maintain orphan drug designation or exclusivity for our product candidates.

Regulatory authorities in some jurisdictions, including the United States, may designate drugs for relatively small patient populations as “orphan drugs.” Under the Orphan Drug Act, the FDA may designate a drug as an orphan drug if it is intended to treat a rare disease or condition, which is generally defined as a patient population of fewer than 200,000 individuals in the United States, or if the disease or condition affects more than 200,000 individuals in the United States and there is no reasonable expectation that the cost of developing the drug for the type of disease or condition will be recovered from sales of the product in the United States.

Orphan drug designation entitles a party to financial incentives, such as opportunities for grant funding towards clinical trial costs, tax advantages and user fee waivers. Additionally, if a product that has orphan designation subsequently receives the first FDA approval for the disease or condition for which it has such designation, the product is entitled to orphan drug exclusivity, which means that the FDA may not approve any other applications to market the same drug for the same indication for seven years, except in certain circumstances, such as a showing of clinical superiority (i.e., another product is safer, more effective or makes a major contribution to patient care) over the product with orphan exclusivity or where the manufacturer is unable to assure sufficient product quantity. Competitors, however, may receive approval of different products for the same indication for which the orphan product has exclusivity, or obtain approval for the same product but for a different indication than that for which the orphan product has exclusivity.

The FDA has granted orphan drug designation ~~to seribantumab~~ in the United States to seribantumab for patients with ~~heregulin- positive~~heregulin-positive non-small-cell lung cancer, and to EO-3021 for the treatment of gastric cancer (including cancer of gastroesophageal junction) and for the treatment of pancreatic cancer. We may apply for an additional orphan drug designation in the United

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States or other geographies for seribantumab, EO-3021 or our future product candidates. However, obtaining an orphan drug designation can be difficult, and we may not be successful in doing so. Even if we obtain orphan drug designation for a product candidate in specific indications, we may not be the first to obtain regulatory approval of the product candidate for the orphan-designated indication, due to the uncertainties associated with developing biological products. In addition, exclusive marketing rights in the United States may be limited if we seek approval for an indication broader than the orphan-designated indication or may be lost if the FDA later determines that the request for orphan designation was materially defective or if the manufacturer is unable to assure sufficient quantities of the product to meet the needs of patients with the rare disease or condition. Orphan drug designation does not ensure that we will receive marketing exclusivity in a particular market, and we cannot assure you that any future application for orphan drug designation in any other geography or with respect to any other future product candidate will be granted. Orphan drug designation neither shortens the

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development time or regulatory review time of a drug, nor gives the drug any advantage in the regulatory review or approval process.

A Breakthrough Therapy designation by the FDA for any of our product candidates may not lead to a faster development or regulatory review or approval process, and it would not increase the likelihood that the product candidate will receive marketing approval.

We may seek a Breakthrough Therapy designation for seribantumab, EO-3021 or our future product candidates. A breakthrough therapy is defined as a drug or biologic that is intended, alone or in combination with one or more other drugs, to treat a serious or life-threatening disease or condition, and preliminary clinical evidence indicates that the drug may demonstrate substantial improvement over existing therapies on one or more clinically significant endpoints, such as substantial treatment effects observed early in clinical development. For drugs that have been designated as breakthrough therapies, interaction and communication between the FDA and the sponsor of the trial can help to identify the most efficient path for clinical development while minimizing the number of patients placed in ineffective control regimens. Drugs designated as breakthrough therapies by the FDA are also eligible for priority review if supported by clinical data at the time of the submission of the BLA.

Designation as a breakthrough therapy is at the discretion of the FDA. Accordingly, even if we believe that a product candidate meets the criteria for designation as a breakthrough therapy, the FDA may disagree and instead determine not to make such designation. In any event, the receipt of a Breakthrough Therapy designation for a drug may not result in a faster development process, review, or approval compared to drugs considered for approval under conventional FDA procedures and it would not assure ultimate approval by the FDA. In addition, even if the product candidate qualifies as a breakthrough therapy, the FDA may later decide that the product candidate no longer meets the conditions for qualification or that the time period for FDA review or approval will not be shortened.

A Fast Track designation by the FDA for any of our current or future product candidates may not lead to a faster development or regulatory review or approval process.

~~In May 2022, we announced that the~~The FDA ~~had~~has granted Fast Track designation to seribantumab for the tumor-agnostic treatment of advanced solid tumors that harbor NRG1 gene fusions. If a drug or biologic is intended for the treatment of a serious or life-threatening condition and the drug demonstrates the potential to address unmet medical needs for this condition, the product sponsor may apply for FDA Fast Track designation. The FDA has broad discretion whether to grant this designation, so even if we believe a particular product candidate is eligible for this designation, we cannot assure you that the FDA would decide to grant it. Even if we do receive Fast Track designation for a particular product candidate, as in the case of seribantumab, we may not experience a faster development process, review or approval compared to conventional FDA procedures. The FDA may withdraw Fast Track designation if it believes that the designation is no longer supported by data from our clinical development program.

If we are unable to successfully develop, validate, obtain regulatory approval of and commercialize companion diagnostic tests for seribantumab or any future product candidates that require or would benefit from such tests, or experience significant delays in doing so, we may not realize the full commercial potential of these product candidates.

A companion diagnostic is a medical device, often an in vitro device, which provides information that is essential for the safe and effective use of a corresponding therapeutic drug or biologic product. A companion diagnostic can be used to

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identify patients who are most likely to benefit from the therapeutic product. We plan to engage a third-party provider to develop companion diagnostic tests to identify NRG1 fusions.

A companion diagnostic is generally developed in conjunction with the clinical program for an associated therapeutic product. To date, the FDA has generally required premarket approval of companion diagnostics for cancer therapies. Generally, when a companion diagnostic is essential to the safe and effective use of a drug product, the FDA requires that the companion diagnostic be approved before or concurrent with approval of the therapeutic product and before a product can be commercialized. The approval of a companion diagnostic as part of the therapeutic product’s labeling limits the use of the therapeutic product to only those patients who express the specific genetic alteration that the companion diagnostic

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was developed to detect. However, it is possible that the FDA may permit approval of the companion diagnostic for seribantumab as a post-marketing commitment following a potential regulatory approval.

Development of a companion diagnostic could include additional meetings with regulatory authorities, such as a pre- submission meeting and the requirement to submit an investigational device exemption application. In the case of a companion diagnostic that is designated as “significant risk device,” approval of an investigational device exemption by the FDA and IRB is required before such diagnostic is used in conjunction with the clinical trials for a corresponding product candidate.

To be successful in developing, validating, obtaining approval of and commercializing a companion diagnostic, we or our collaborators will need to address a number of scientific, technical, regulatory and logistical challenges. We have no prior experience with medical device or diagnostic test development. If we choose to develop and seek FDA approval for companion diagnostic tests on our own, we will require additional personnel. We may rely on third parties for the design, development, testing, validation and manufacture of companion diagnostic tests for our therapeutic product candidates that require such tests, the application for and receipt of any required regulatory approvals, and the commercial supply of these companion diagnostics. If these parties are unable to successfully develop companion diagnostics for these therapeutic product candidates, or experience delays in doing so, we may be unable to enroll enough patients for our current and planned clinical trials, the development of these therapeutic product candidates may be adversely affected, these therapeutic product candidates may not obtain marketing approval, and we may not realize the full commercial potential of any of these therapeutics that obtain marketing approval. For any product candidate for which a companion diagnostic is necessary to select patients who may benefit from use of the product candidate, any failure to successfully develop a companion diagnostic may cause or contribute to delayed enrollment of our clinical trials, and may prevent us from initiating a pivotal trial. In addition, the commercial success of any product candidate that requires a companion diagnostic will be tied to and dependent upon the receipt of required regulatory approvals and the continued ability of such third parties to make the companion diagnostic commercially available to us on reasonable terms in the relevant geographies. Any failure to do so could materially harm our business, results of operations and financial condition.

Even if we obtain marketing approval for a product candidate, the terms of approvals, ongoing regulation of our products or other post-approval restrictions may limit how we manufacture and market our products and compliance with such requirements may involve substantial resources, which could materially impair our ability to generate revenue.

Any product candidates for which we receive accelerated approval from the FDA are required to undergo one or more confirmatory clinical trials. If such a product candidate fails to meet its safety and efficacy endpoints in such confirmatory clinical trials, the regulatory authority may withdraw its conditional approval. There is no assurance that any such product will successfully advance through its confirmatory clinical trial(s). Therefore, even if a product candidate receives accelerated approval from the FDA, such approval may be withdrawn at a later date.

Even if marketing approval of a product candidate is granted, an approved product and its manufacturer and marketer are subject to ongoing review and extensive regulation, which may include the requirement to implement a REMS or to conduct costly post-marketing studies or clinical trials and surveillance to monitor the safety or efficacy of the product.

We must also comply with requirements concerning advertising and promotion for our product candidates for which we obtain marketing approval. Promotional communications with respect to prescription drugs or biologics are subject to a

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variety of legal and regulatory restrictions and must be consistent with the information in the product’s approved labeling. Thus, we will not be able to promote any products we develop for indications or uses for which they are not approved.

In addition, manufacturers of approved products and those manufacturers’ facilities are required to ensure that quality control and manufacturing procedures conform to current good manufacturing practices, or cGMPs, which include requirements relating to quality control and quality assurance as well as the corresponding maintenance of records and documentation and reporting requirements. We and our CMOs will be subject to periodic unannounced inspections by the FDA to monitor and ensure compliance with cGMPs.

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Accordingly, even if we obtain marketing approval for a product candidate, we and our CMOs will continue to expend time, money and effort in all areas of regulatory compliance, including manufacturing, production, product surveillance and quality control. If we are not able to comply with post-approval regulatory requirements, we could have the marketing approvals for our products withdrawn by regulatory authorities and our ability to market any future products could be limited, which could adversely affect our ability to achieve or sustain profitability. As a result, the cost of compliance with post-approval regulations may have a negative effect on our operating results and financial condition.

Any product candidate for which we obtain marketing approval will be subject to ongoing enforcement of post-marketing requirements by regulatory agencies, and we could be subject to substantial penalties, including withdrawal of our product from the market, if we fail to comply with all regulatory requirements or if we experience unanticipated problems with our products, when and if any of them are approved.

Any product candidate for which we obtain marketing approval, along with the manufacturing processes, post- approval clinical data, labeling, advertising and promotional activities for such product, will be subject to continual requirements of and review by the FDA and other regulatory authorities. These requirements include, but are not limited to, restrictions governing promotion of an approved product, submissions of safety and other post- marketing information and reports, registration and listing requirements, cGMP requirements relating to manufacturing, quality control, quality assurance and corresponding maintenance of records and documents, and requirements regarding drug distribution and the distribution of samples to physicians and recordkeeping.

The FDA and other federal and state agencies, including the Department of Justice, closely regulate compliance with all requirements governing prescription drug and biologic products, including requirements pertaining to their marketing and promotion in accordance with the provisions of the approved labeling and manufacturing of products in accordance with cGMP requirements. For example, the FDA and other agencies actively enforce the laws and regulations prohibiting the promotion of off-label uses, and a company that is found to have improperly promoted off- label uses may be subject to significant liability. Violations of such requirements may lead to investigations alleging violations of the Federal Food, Drug, and Cosmetic Act, or FDCA, and other statutes, including the False Claims Act and other federal and state healthcare fraud and abuse laws as well as state consumer protection laws. Our failure to comply with all regulatory requirements, and later discovery of previously unknown adverse events or other problems with our products, manufacturers or manufacturing processes, may yield various results, including:

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litigation involving patients taking our products;

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restrictions on such products, manufacturers or manufacturing processes;

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restrictions on the labeling or marketing of a product;

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restrictions on product distribution or use;

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requirements to conduct post-marketing studies or clinical trials;

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warning or untitled letters;

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withdrawal of the products from the market;

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refusal to approve pending applications or supplements to approved applications that we submit;

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recall of products;

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fines, restitution or disgorgement of profits or revenues;

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suspension or withdrawal of marketing approvals;

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damage to relationships with any potential collaborators;

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unfavorable press coverage and damage to our reputation;

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refusal to permit the import or export of our products;

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product seizure; or

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injunctions or the imposition of civil or criminal penalties.

Non-compliance by us or any future collaborator with regulatory requirements, including safety monitoring or pharmacovigilance, and with requirements related to the development of products for the pediatric population can also result in significant financial penalties.

Our current and future relationships with customers and third-party payors may be subject to applicable anti- kickback, fraud and abuse, transparency, health privacy, and other healthcare laws and regulations, which could expose us to significant penalties, including criminal, civil, and administrative penalties, contractual damages, reputational harm and diminished profits and future earnings.

Healthcare providers, including physicians, and third-party payors will play a primary role in the recommendation and prescription of any product candidates for which we obtain marketing approval. Our current and future arrangements with healthcare providers, third-party payors and customers may expose us to broadly applicable fraud and abuse and other healthcare laws and regulations that may constrain the business or financial arrangements and relationships through which we research, as well as, market, sell and distribute any products for which we obtain marketing approval. Restrictions under applicable federal and state healthcare laws and regulations that may be applicable to our business include the following:

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the federal Anti-Kickback Statute prohibits, among other things, persons from knowingly and willfully soliciting, offering, receiving or providing remuneration, directly or indirectly, in cash or in kind, to induce or reward, or in return for, either the referral of an individual for, or the purchase, order or recommendation of, any good or service, for which payment may be made under a federal healthcare program such as Medicare and Medicaid;

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the federal civil and criminal false claims laws, including the False Claims Act, which can be enforced by civil whistleblower or qui tam actions on behalf of the government, and criminal false claims laws and the civil monetary penalties law, prohibit individuals or entities from, among other things, knowingly presenting, or causing to be presented false or fraudulent claims for payment by a federal government program, or making a false statement or record material to payment of a false claim or avoiding, decreasing or concealing an obligation to pay money to the federal government;

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the federal Health Insurance Portability and Accountability Act of 1996, or HIPAA, prohibits, among other things, knowingly and willfully executing, or attempting to execute, a scheme to defraud any healthcare benefit program, regardless of the payor (e.g. public or private), and knowingly and willfully falsifying, concealing or covering up by any trick or device a material fact or making any materially false, fictitious or fraudulent statements in connection with the delivery of, or payment for, healthcare benefits, items or services relating to healthcare matters;

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HIPAA, as amended by the Health Information Technology for Economic and Clinical Health Act, or HITECH, and their implementing regulations, impose requirements on certain covered healthcare providers, health plans, and healthcare clearinghouses as well as their respective business associates and their subcontractors that perform services for them that involve the use, or disclosure of, individually identifiable health information, relating to the privacy, security, and transmission of such individually identifiable health information;

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the federal Physician Payments Sunshine Act’s transparency requirements under the Patient Protection and Affordable Care Act, as amended by the Health Care and Education Reconciliation Act of 2010, collectively referred to as the ACA, requires certain manufacturers of drugs, devices, biologics and medical supplies to annually report to the Centers for Medicare & Medicaid Services, or CMS, information related to payments and other transfers of value provided to physicians (defined to include doctors, dentists, optometrists, podiatrists and chiropractors), physician assistants, certain types of advance practice nurses and teaching hospitals, as well as ownership and investment interests held by physicians, and their immediate family members. The reported information is made available on a public website; and

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analogous state laws and regulations such as state anti-kickback and false claims laws and analogous non-U.S. fraud and abuse laws and regulations, may apply to sales or marketing arrangements and claims involving healthcare items or services reimbursed by non-governmental third-party payors, including private insurers. Some state laws require biologics companies to comply with the pharmaceutical industry’s voluntary compliance guidelines and the relevant compliance regulations promulgated by the federal government and may require drug manufacturers to report information related to payments and other transfers of value to physicians and other healthcare providers, marketing expenditures, or drug pricing, including price increases. State and local laws require the registration of pharmaceutical sales representatives. State and non-U.S. laws that also govern the privacy and security of health information in some circumstances, many of which differ from each other in significant ways and often are not preempted by HIPAA, thus complicating compliance efforts.

Efforts to ensure that our business arrangements with third parties will comply with applicable healthcare laws and regulations will involve substantial costs. It is possible that governmental authorities will conclude that our business practices may not comply with current or future statutes, regulations or case law involving applicable fraud and abuse or other healthcare laws and regulations. If our operations are found to be in violation of any of these laws or any other governmental regulations that may apply to us, we may be subject to significant civil, criminal and administrative penalties, damages, fines, disgorgement, imprisonment, exclusion from government funded healthcare programs, such as Medicare and Medicaid and other federal healthcare programs, contractual damages, reputational harm, diminished profits and future earnings, additional integrity reporting and oversight obligations, and the curtailment or restructuring of our operations, any of which could adversely affect our ability to operate our business and our results of operations. If any of the physicians or other healthcare providers or entities with whom we expect to do business is found to be not in compliance with applicable laws, they may be subject to significant criminal, civil and administrative sanctions, including exclusions from government funded healthcare programs, which could have a material adverse effect on our business, results of operations, financial condition and prospects.

We may face difficulties from healthcare legislative reform measures.

Existing regulatory policies may change, and additional government regulations may be enacted that could prevent, limit or delay regulatory approval of our product candidates. We cannot predict the likelihood, nature or extent of government regulation that may arise from future legislation or administrative action, either in the United States or abroad. If we are slow or unable to adapt to changes in existing requirements or the adoption of new requirements or policies, or if we are not able to maintain regulatory compliance, we may lose any marketing approval that we may have obtained and we may not achieve or sustain profitability.

In the United States, there have been and continue to be a number of legislative initiatives to contain healthcare costs. For example, in March 2010, the Patient Protection and Affordable Care Act, as amended by the Healthcare and Education Reconciliation Act, or together, the ACA, was enacted, which substantially changed the way healthcare is financed by both governmental and private insurers, and significantly impacts the U.S. pharmaceutical industry. The ACA, among other things, (i) subjected therapeutic biologics to potential competition by lower-cost biosimilars by creating a licensure

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framework for follow-on biologic products, (ii) prescribed a new methodology by which rebates owed by manufacturers under the Medicaid Drug Rebate Program are calculated for drugs and therapeutic biologics that are inhaled, infused, instilled, implanted or injected, (iii) increased the minimum Medicaid rebates owed by manufacturers under the Medicaid Drug Rebate Program and extended the rebate program to individuals enrolled in Medicaid managed care organizations, (iv) established annual fees and taxes on manufacturers of certain branded prescription drugs and therapeutic biologics, (v) established a Medicare Part D coverage gap discount program, in which manufacturers must agree to offer ~~point-of-~~

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~~sale~~point-of-sale discounts (now 70%) off negotiated prices of applicable brand drugs and therapeutic biologics to eligible beneficiaries during their coverage gap period, as a condition for the manufacturer’s outpatient drugs and therapeutic biologics to be covered under Medicare Part D, (vi) expanded eligibility criteria for Medicaid programs by, among other things, allowing states to offer Medicaid coverage to additional individuals and by adding new mandatory eligibility categories for individuals with income at or below 133% of the federal poverty level, thereby potentially increasing manufacturers’ Medicaid rebate liability, (vii) expanded the entities eligible for discounts under the Public Health program (viii) created a new Patient-Centered Outcomes Research Institute to oversee, identify priorities in, and conduct comparative clinical effectiveness research, along with funding for such research and (ix) established a Center for Medicare Innovation at CMS to test innovative payment and service delivery models to lower Medicare and Medicaid spending, potentially including prescription drug spending.

There have been executive, legislative and judicial efforts to modify, repeal or otherwise invalidate all or certain aspects of the ACA. By way of example, the Tax Cuts and Jobs Act, or the TCJA, included, among other things, a provision repealing the tax-based shared responsibility payment imposed by the ACA on certain individuals who fail to maintain qualifying health coverage for all or part of a year that is commonly referred to as the “individual mandate.” On June 17, 2021, the United States Supreme Court dismissed a challenge on procedural grounds that argued the ACA is unconstitutional in its entirety because the “individual mandate” was repealed by Congress. On January 28, 2021, President Biden issued an executive order to initiate a special enrollment period for purposes of obtaining health insurance coverage through the ACA marketplace, which began on February 15, 2021 and closed on August 15, 2021. The executive order also instructed certain governmental agencies to review and reconsider their existing policies and rules that limit access to healthcare, including among others, reexamining Medicaid demonstration projects and waiver programs that include work requirements, and policies that create unnecessary barriers to obtaining access to health insurance coverage through Medicaid or the ACA. It is possible that the ACA will be subject to judicial or Congressional challenges in the future. It is uncertain how any such challenges and healthcare measures of the Biden administration will impact the ACA and our business.

In addition, other legislative changes have been proposed and adopted in the United States since the ACA was enacted to reduce healthcare expenditures. U.S. federal government agencies also currently face potentially significant spending reductions, which may further impact healthcare expenditures, including reductions of Medicare payments to providers of 2% per fiscal year, which began in 2013 and will remain in effect through 2030, with the exception of a temporary suspension from May 1, 2020 through March 31, 2022 due to the COVID-19 pandemic, unless additional Congressional action is taken. The Medicare reductions phase back in starting with a 1% reduction in effect from April 1, 2022 to June 30, 2022 before increasing to the full 2% reduction. Moreover, on January 2, 2013, the American Taxpayer Relief Act of 2012 was signed into law, which, among other things, further reduced Medicare payments to several types of providers, including hospitals, imaging centers and cancer treatment centers, and increased the statute of limitations period for the government to recover overpayments to providers from three to five years. If federal spending is further reduced, anticipated budgetary shortfalls may also impact the ability of relevant agencies, such as the FDA or the National Institutes of Health to continue to function at current levels. Amounts allocated to federal grants and contracts may be reduced or eliminated. These reductions may also impact the ability of relevant agencies to timely review and approve research and development, manufacturing, and marketing activities, which may delay our ability to develop, market and sell any products we may develop.

Moreover, payment methodologies, including payment for companion diagnostics, may be subject to changes in healthcare legislation and regulatory initiatives. For example, the Medicare Prescription Drug, Improvement, and Modernization Act of 2003, or MMA, changed the way Medicare covers and pays for pharmaceutical products. The legislation expanded Medicare coverage for drug purchases by the elderly and introduced a new reimbursement methodology based on average sales prices for physician-administered drugs. In addition, this legislation provided authority for limiting the number of drugs that will be covered in any therapeutic class. While the MMA only applies to drug benefits for Medicare

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beneficiaries, private payors often follow Medicare coverage policy and payment limitations in setting their own reimbursement rates. Therefore, any reduction in reimbursement that results from the MMA may result in a similar reduction in payments from private payors. In addition, CMS has begun bundling the Medicare payments for certain laboratory tests ordered while a patient received services in a hospital outpatient setting and, beginning in 2018, CMS will pay for clinical laboratory services based on a weighted average of reported prices that private payors, Medicare Advantage plans, and Medicaid Managed Care plans pay for laboratory services. Further, on March 16, 2018, CMS finalized its

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National Coverage Determination, or NCD, for certain diagnostic laboratory tests using next generation sequencing that are approved by the FDA as a companion in vitro diagnostic and used in a cancer with an FDA-approved companion diagnostic indication. Under the NCD, diagnostic tests that gain FDA approval or clearance as an in vitro companion diagnostic will automatically receive full coverage and be available for patients with recurrent, metastatic relapsed, refractory or stages III and IV cancer. Additionally, the NCD extended coverage to repeat testing when the patient has a new primary diagnosis of cancer.

Recently there has been heightened governmental scrutiny over the manner in which manufacturers set prices for their marketed products, which has resulted in several Presidential executive orders, Congressional inquiries and proposed and enacted federal and state legislation designed to, among other things, bring more transparency to product pricing, review the relationship between pricing and manufacturer patient programs, and reform government program reimbursement methodologies for drug products. For example, in July 2021, President Biden issued an executive order pertaining to drug pricing, which expressed support for legislation allowing direct negotiation in Medicare Part D and inflationary rebates, and directed various executive branch agencies to take actions to lower drug prices and promote generic competition. Several pending legislative efforts, including President Biden’s larger Build Back Better legislative agenda and draft bill text, incorporate these drug pricing reforms in addition to inflationary rebates on Part B and Part D drugs that would be payable on commercial and governmental program utilization, policies aimed at redesigning the Medicare Part D benefit and adopting drug price transparency measures. Drug manufacturers who are unwilling to negotiate with Medicare would be subject to additional excise taxes. Additionally, the plan would impose tax penalties on drug manufacturers that increase the prices of drug products faster than the rate of inflation. If elements of the recently announced prescription drug pricing plan become law, our pricing strategy and commercial prospects may be adversely affected.

Additionally, on September 9, 2021, the Biden administration published a wide-ranging list of policy proposals, most of which would need to be carried out by Congress, to reduce drug prices and drug payment. ~~This~~The U.S. Department of Health and Human Services, or HHS, plan includes, among other reform measures, proposals to lower prescription drug prices, including by allowing Medicare to negotiate prices and disincentivizing price increases, and to support market changes that strengthen supply chains, promote biosimilars and generic drugs, and increase price transparency. ~~Many similar proposals, including~~These initiatives recently culminated in the ~~plans~~enactment of the Inflation Reduction Act, or IRA, in August 2022, which will, among other things, allow HHS to ~~give~~negotiate the selling price of certain drugs and biologics that CMS reimburses under Medicare Part B and Part D, ~~authority~~although this will only apply to ~~negotiate drug~~high-expenditure single-source drugs that have been approved for at least 7 years (11 years for biologics). The negotiated prices, ~~require~~which will first become effective in 2026, will be capped at a statutory ceiling price beginning in October 2023, penalize drug manufacturers ~~to pay rebates on~~that increase prices of Medicare Part B and Part D drugs ~~whose prices increase~~at a rate greater than the rate of ~~inflation, and cap out-of-pocket costs, have already been included~~inflation. The IRA permits the Secretary of HHS to implement many of these provisions through guidance, as opposed to regulation, for the initial years. Manufacturers that fail to comply with the IRA may be subject to various penalties, including civil monetary penalties. The IRA also extends enhanced subsidies for individuals purchasing health insurance coverage in ~~policy statements and legislation currently being considered by Congress. It is unclear~~ACA marketplaces through plan year 2025. These provisions will take effect progressively starting in 2023, although they may be subject to ~~what extent these new proposals or any future legislation or regulations by the Biden Administration will have on our business.~~legal challenges.

Additionally, on May 30, 2018, the Trickett Wendler, Frank Mongiello, Jordan McLinn, and Matthew Bellina Right to Try Act of 2017 was signed into law. The law, among other things, provides a federal framework for certain patients to access certain investigational new drug products that have completed a Phase 1 clinical trial and that are undergoing investigation for FDA approval. Under certain circumstances, eligible patients can seek treatment without enrolling in clinical trials and without obtaining FDA authorization under an FDA expanded access program; however, manufacturers are not obligated to provide investigational new drug products under the current federal right to try law. We may choose to seek an expanded access program for our product candidates, or to utilize comparable rules in other countries that allow the use of a drug, on a named patient basis or under a compassionate use program.

We expect that additional state and federal healthcare reform measures will be adopted in the future. Such reform measures may result in more rigorous coverage criteria and in additional downward pressure on the price that we receive for any approved product. The implementation of cost containment measures or other healthcare reforms may prevent us from being able to generate revenue, attain profitability, or commercialize our products.

Governments outside of the United States tend to impose strict price controls, which may adversely affect our revenues, if any.

In some countries, particularly the countries of the EU, the pricing of prescription biological products is subject to governmental control. In these countries, pricing negotiations with governmental authorities can take considerable time

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after the receipt of marketing approval for a product. To obtain reimbursement or pricing approval in some countries, we may be required to conduct a clinical trial that compares the cost-effectiveness of any of our product candidates to other available therapies. If reimbursement of our products is unavailable or limited in scope or amount, or if pricing is set at

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unsatisfactory levels, our business could be harmed. Political, economic and regulatory developments may further complicate pricing negotiations, and pricing negotiations may continue after reimbursement has been obtained. Reference pricing used by various EU member states, and parallel trade, such as arbitrage between low-priced and high-priced member states, can further reduce prices. There can be no assurance that any country that has price controls or reimbursement limitations for biological products will allow favorable reimbursement and pricing arrangements for any products, if approved in those countries. In addition, the recent withdrawal of the United Kingdom from its membership in the EU, often referred to as “Brexit”, could lead to legal and regulatory uncertainty in the United Kingdom and may lead to the United Kingdom and EU adopting divergent laws and regulations, including those related to the pricing of prescription biological products, as the United Kingdom determines which EU laws to replicate or replace. If the United Kingdom were to significantly alter its regulations affecting the pricing of prescription biological products, we could face significant new costs. As a result, Brexit could impair our ability to transact business in the EU and the United Kingdom.

Laws and regulations governing any international operations we may have in the future may preclude us from developing, manufacturing and selling certain product candidates and products outside of the United States and require us to develop and implement costly compliance programs.

If we expand our operations outside of the United States, we must dedicate additional resources to comply with numerous laws and regulations in each jurisdiction in which we plan to operate. The Foreign Corrupt Practices Act, or FCPA, prohibits any U.S. individual or business from paying, offering, authorizing payment or offering anything of value, directly or indirectly, to any foreign official, political party or candidate for the purpose of influencing any act or decision of such third party in order to assist the individual or business in obtaining or retaining business. The FCPA also obligates companies whose securities are listed in the United States to comply with certain accounting provisions requiring the company to maintain books and records that accurately and fairly reflect all transactions of the company, including international subsidiaries, and to devise and maintain an adequate system of internal accounting controls for international operations.

Compliance with the FCPA is expensive and difficult, particularly in countries in which corruption is a recognized problem. In addition, the FCPA presents particular challenges in the biological products industry, because, in many countries, hospitals are operated by the government, and doctors and other hospital employees are considered foreign officials. Certain payments to hospitals in connection with clinical trials and other work have been deemed to be improper payments to government officials and have led to FCPA enforcement actions.

Various laws, regulations and executive orders also restrict the use and dissemination outside of the United States, or the sharing with certain non-U.S. nationals, of information classified for national security purposes, as well as certain products and technical data relating to those products. If we expand our presence outside of the United States, it will require us to dedicate additional resources to comply with these laws, and these laws may preclude us from developing, manufacturing or selling certain product candidates and products outside of the United States, which could limit our growth potential and increase our development costs.

The failure to comply with laws governing international business practices may result in substantial civil and criminal penalties and suspension or debarment from government contracting. The SEC also may suspend or bar issuers from trading securities on U.S. exchanges for violations of the FCPA’s accounting provisions.

If we fail to comply with environmental, health and safety laws and regulations, we could become subject to fines or penalties or incur costs that could harm our business.

We and our third-party contractors are subject to numerous foreign, federal, state and local environmental, health and safety laws and regulations, including those governing laboratory procedures and the handling, use, storage, treatment and disposal of hazardous materials and wastes. Our operations involve the use of hazardous and flammable materials, including chemicals and biological materials. Our operations also produce hazardous waste products. We generally contract with third parties for the disposal of these materials and wastes. We cannot eliminate the risk of contamination or

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injury from these materials. In the event of contamination or injury resulting from our use of hazardous materials, we could be held liable for any resulting damages, and any liability could exceed our resources, including any available insurance.

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In addition, our leasing and operation of real property may subject us to liability pursuant to certain of these laws or regulations. Under existing U.S. environmental laws and regulations, current or previous owners or operators of real property and entities that disposed or arranged for the disposal of hazardous substances may be held strictly, jointly and severally liable for the cost of investigating or remediating contamination caused by hazardous substance releases, even if they did not know of and were not responsible for the releases.

We could incur significant costs and liabilities which may adversely affect our financial condition and operating results for failure to comply with such laws and regulations, including, among other things, civil or criminal fines and penalties, property damage and personal injury claims, costs associated with upgrades to our facilities or changes to our operating procedures, or injunctions limiting or altering our operations.

Although we maintain liability insurance to cover us for costs and expenses we may incur due to injuries to our employees, this insurance may not provide adequate coverage against potential liabilities. We do not maintain insurance for environmental liability or toxic tort claims that may be asserted against us in connection with our storage or disposal of biological, hazardous or radioactive materials.

In addition, we may incur substantial costs in order to comply with current or future environmental, health and safety laws and regulations. These current or future laws and regulations, which are becoming increasingly more stringent, may impair our research, development or production efforts. Our failure to comply with these laws and regulations also may result in substantial fines, penalties or other sanctions.

We are subject to certain U.S. and certain other anti-corruption, anti-money laundering, export control, sanctions and other trade laws and regulations. We can face serious consequences for violations.

U.S. and other anti-corruption, anti-money laundering, export control, sanctions and other trade laws and regulations prohibit, among other things, companies and their employees, agents, CROs, CMOs, legal counsel, accountants, consultants, contractors and other partners from authorizing, promising, offering, providing, soliciting, or receiving directly or indirectly, corrupt or improper payments or anything else of value to or from recipients in the public or private sector. Violations of these laws can result in substantial criminal fines and civil penalties, imprisonment, the loss of trade privileges, debarment, tax reassessments, breach of contract and fraud litigation, reputational harm and other consequences. We have direct or indirect interactions with officials and employees of government agencies or government-affiliated hospitals, universities and other organizations. We also expect our non-U.S. activities to increase over time. We expect to rely on third parties for research, preclinical studies and clinical trials and/or to obtain necessary permits, licenses, patent registrations and other marketing approvals. We can be held liable for the corrupt or other illegal activities of our personnel, agents, or partners, even if we do not explicitly authorize or have prior knowledge of such activities.

Any violations of the laws and regulations described above may result in substantial civil and criminal fines and penalties, imprisonment, the loss of export or import privileges, debarment, tax reassessments, breach of contract and fraud litigation, reputational harm and other consequences.

Risks related to our reliance on third parties

We rely, and intend to continue to rely, on third parties to conduct our clinical trials and perform all of our research and preclinical studies. If these third parties do not satisfactorily carry out their contractual duties, fail to comply with applicable regulatory requirements or do not meet expected deadlines, our development programs may be delayed or subject to increased costs or we may be unable to obtain regulatory approval, each of which may have an adverse effect on our business, financial condition, results of operations and prospects.

We do not have the ability to independently conduct all aspects of our preclinical testing or clinical trials ourselves. As a result, we are dependent on third parties to conduct our ongoing CRESTONE trial and our ongoing and planned preclinical studies and clinical trials of other product candidates. The timing of the initiation and completion of these trials will

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therefore be partially controlled by such third parties and may result in delays to our development programs. Specifically, we expect CROs, clinical investigators and consultants to play a significant role in the conduct of these trials and the subsequent collection and analysis of data. However, these CROs and other third parties are not our employees, and we

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will not be able to control all aspects of their activities. Nevertheless, we are responsible for ensuring that each clinical trial is conducted in accordance with the applicable protocol and legal, regulatory and scientific standards, and our reliance on the CROs and other third parties does not relieve us of our regulatory responsibilities. We and our CROs are required to comply with GCP requirements, which are regulations and guidelines enforced by the FDA for product candidates in clinical development. Regulatory authorities enforce these GCP requirements through periodic inspections of trial sponsors, clinical trial investigators and clinical trial sites. If we or any of our CROs or clinical trial sites fail to comply with applicable GCP requirements, the data generated in our clinical trials may be deemed unreliable, and the FDA may require us to perform additional clinical trials before approving our marketing applications. We cannot assure you that, upon inspection, the FDA will determine that our clinical trials comply with GCPs. In addition, our clinical trials must be conducted with product produced under cGMP regulations. Our failure, or the failure of third parties on whom we rely, to comply with these regulations may require us to stop and/or repeat clinical trials, which would delay the marketing approval process.

There is no guarantee that any such CROs, clinical trial investigators or other third parties on which we rely will devote adequate time and resources to our development activities or perform as contractually required. If any of these third parties fail to meet expected deadlines, adhere to our clinical protocols or meet regulatory requirements, otherwise perform in a substandard manner, or terminate their engagements with us, the timelines for our development programs may be extended or delayed or our development activities may be suspended or terminated. If our clinical trial site terminates for any reason, we may experience the loss of follow-up information on subjects enrolled in such clinical trial unless we are able to transfer those subjects to another qualified clinical trial site, which may be difficult or impossible.

Furthermore, these third parties may also have relationships with other entities, some of which may be our competitors, for whom they may also be conducting clinical trials or other biological product development activities that could harm our competitive position. If these third parties do not successfully carry out their contractual duties, meet expected deadlines or conduct our clinical trials in accordance with regulatory requirements or our stated protocols, we will not be able to obtain, or may be delayed in obtaining, marketing approvals for seribantumab or any other future product candidates and will not be able to, or may be delayed in our efforts to, successfully commercialize our products.

Manufacturing biological products is complex and subject to product loss for a variety of reasons. We rely on ~~third-party suppliers, including single source suppliers,~~third parties to manufacture clinical supplies of our product candidates and we intend to rely on third parties to produce commercial supplies of any approved product. This reliance on third parties increases the risk that we will not have sufficient quantities of our product candidates or products or such quantities at an acceptable cost or quality, which could delay, prevent or impair our development or commercialization efforts.

We do not have any manufacturing facilities. We rely, and expect to continue to rely, on third parties for the manufacture of our product candidates and future product candidates for clinical testing, product development purposes, to support regulatory application submissions, as well as for commercial manufacture if a product candidate obtains marketing approval. In addition, we expect to contract with analytical laboratories for release and stability testing of our product candidates. We acquire our clinical supply of seribantumab from ~~our contract manufacturer~~CMOs on an ongoing basis after the completion of stability testing, and have periodically encountered delays in receiving such clinical supply. We expect to acquire our clinical and commercial supply of EO-3021 primarily from CSPC. This reliance on third parties increases the risk that we will not have sufficient quantities of our product candidates or products or such quantities at an acceptable cost or quality, which could delay, prevent or impair our development or commercialization efforts. In addition, the ongoing COVID-19 pandemic may result in disruptions to the operations or an extended shutdown of certain businesses, which could include certain of our ~~contract manufacturers.~~CMOs.

We may be unable to establish any agreements with third-party manufacturers or do so on favorable terms. Even if we are able to establish agreements with third-party manufacturers, reliance on third-party manufacturers entails additional risks, including:

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reliance on the third party for regulatory, compliance and quality assurance;

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reliance on the third party for product development, analytical testing, and data generation to support regulatory applications;

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lack of qualified backup suppliers for those components or materials that are currently purchased from a sole or single source supplier;

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operations of our third-party manufacturers or suppliers could be disrupted by conditions unrelated to our business or operations, including the bankruptcy of the manufacturer or supplier, the issuance of an FDA Form 483 notice or warning letter or other enforcement action by FDA or other regulatory authority;

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the possible breach of the manufacturing agreement by the third party;

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the possible misappropriation of our proprietary information, including our trade secrets and know-how;

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the possible termination or nonrenewal of the agreement by the third party at a time that is costly or inconvenient for us;

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carrier disruptions or increased costs that are beyond our control; and

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failure to deliver our drugs under specified storage conditions and in a timely manner.

We have only limited clinical trial supply arrangements in place for seribantumab, and these arrangements do not extend to commercial supply. We acquire many key materials on a purchase order basis. As a result, we do not have long-term committed arrangements with respect to seribantumab or any other product candidate. We will need to establish one or more agreements with third parties in order to develop and scale up our drug manufacturing process, conduct drug testing and generate data to support one or more regulatory submissions. If we obtain marketing approval for seribantumab or any future product candidate, we will need to establish an agreement for commercial manufacture with a third party.

In addition, we currently use two suppliers for certain key components of our manufacturing process. Even if we are able to replace any raw materials or other materials with an alternative, such alternatives may cost more, result in lower yields or not be as suitable for our purposes. In addition, some of the materials that we use to manufacture our product candidates are complex materials, which may be more difficult to substitute. Therefore, any disruptions arising from our current supplier could result in delays and additional regulatory submissions.

Third-party manufacturers may not be able to comply with cGMP regulations or similar regulatory requirements outside of the United States. If the FDA determines that our CMOs are not in compliance with FDA laws and regulations, including those governing cGMPs, the FDA may not approve a BLA until the deficiencies are corrected or we replace the manufacturer in our application with a manufacturer that is in compliance. Moreover, our failure, or the failure of our third-party manufacturers and suppliers, to comply with applicable regulations could result in sanctions being imposed on us, including clinical holds, fines, injunctions, civil penalties, seizures or recalls of product candidates or products, operating restrictions and criminal prosecutions, any of which could significantly and adversely affect supplies of our products. In addition, approved products and the facilities at which they are manufactured are required to maintain ongoing compliance with extensive FDA requirements and the requirements of other similar agencies, including ensuring that quality control and manufacturing procedures conform to cGMP requirements. As such, our CMOs are subject to continual review and periodic inspections to assess compliance with cGMPs. Furthermore, although we do not have day-to-day control over the operations of our CMOs, we are responsible for ensuring compliance with applicable laws and regulations, including cGMPs.

Further, if we make manufacturing or formulation changes to our product candidates or add or change CMOs in the future, the FDA or other regulatory authorities will require a demonstration of the comparability of the new product to the prior product, including potentially through a clinical bridging study.

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In addition, our third-party manufacturers and suppliers are subject to numerous environmental, health and safety laws and regulations, including those governing the handling, use, storage, treatment and disposal of waste products, and failure to comply with such laws and regulations could result in significant costs associated with civil or criminal fines and penalties for such third parties. Based on the severity of regulatory actions that may be brought against these third parties in the

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future, our clinical or commercial supply of drug and packaging and other services could be interrupted or limited, which could harm our business.

Our product candidates and any products that we may develop may compete with other future product candidates and products for access to manufacturing facilities. As a result, we may not obtain access to these facilities on a priority basis or at all. There are a limited number of manufacturers that operate under cGMP regulations and that might be capable of manufacturing for us.

As we prepare for potential commercialization, we will need to take steps to increase the scale of production of our most advanced product candidate. Although seribantumab was previously manufactured at commercial scale, we have not yet scaled up the manufacturing process for commercialization since acquiring seribantumab. Third party manufacturers may be unable to successfully increase the manufacturing capacity for seribantumab in a timely or cost-effective manner, or at all. In addition, quality issues may arise during scale-up or commercial activities. For example, if microbial, viral or other contaminations are discovered in the clinical trial supply of seribantumab or in the manufacturing facilities in which it is made, such manufacturing facilities may need to be closed for an extended period of time to investigate and remedy the contamination.

Any performance failure on the part of our existing or future ~~manufacturers~~CMOs could delay clinical development or marketing approval. We do not currently have arrangements in place for redundant supply or a second source for bulk drug substances. If our current CMOs for preclinical and clinical testing cannot perform as agreed, we may be required to replace such CMOs. Although we believe that there are several potential alternative manufacturers who could manufacture seribantumab, we may incur added costs and delays in identifying and qualifying any such replacement manufacturer or we may not be able to reach agreement with any alternative manufacturer. Further, our third-party manufacturers may experience manufacturing or shipping difficulties due to resource constraints or as a result of natural disasters, labor disputes, unstable political environments or public health epidemics such as the COVID-19 pandemic. If our current third-party manufacturers cannot perform as agreed, we may be required to replace such manufacturers and we may be unable to replace them on a timely basis or at all. Further, to meet the demand for COVID-19 vaccine production, manufacturers are required to prioritize rated orders issued by the Federal Emergency Management Agency pursuant to the U.S. Defense Production Act of 1950, or the DPA. The potential for manufacturing facilities and materials to be commandeered under the DPA, or equivalent foreign legislation, could make it more difficult to obtain materials or manufacturing slots for the products needed for our clinical trials, which could lead to delays in these trials.

Our current and anticipated future dependence upon others for the manufacture of our product candidates or products may adversely affect our future profit margins and our ability to commercialize any products that obtain marketing approval on a timely and competitive basis.

We may enter into collaborations with third parties for the development and commercialization of our product candidates. If those collaborations are not successful, we may not be able to capitalize on the market potential of our product candidates.

We may seek third-party collaborators for the development and commercialization of our product candidates on a select basis. We have not entered into any such collaborations to date. Our likely collaborators for any future collaboration arrangements include large and mid-size biologics companies, regional and national biologics companies and biotechnology companies. We will face significant competition in seeking appropriate collaborators. Our ability to reach a definitive agreement for a future collaboration will depend, among other things, upon our assessment of the future collaborator’s resources and expertise, the terms and conditions of the proposed collaboration and the proposed collaborator’s evaluation of a number of factors.

If we do enter into any such arrangements with any third parties, we will likely have limited control over the amount and timing of resources that our future collaborators dedicate to the development or commercialization of our product

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candidates. Our ability to generate revenues from these arrangements will depend on our future collaborators’ abilities and

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efforts to successfully perform the functions assigned to them in these arrangements. Collaborations with future collaborators involving our product candidates would pose numerous risks to us, including the following:

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collaborators have significant discretion in determining the efforts and resources that they will apply to these collaborations and may not perform their obligations as expected;

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collaborators may de-emphasize or not pursue development and commercialization of our product candidates or may elect not to continue or renew development or commercialization programs based on clinical trial results, changes in the collaborators’ strategic focus, including as a result of a sale or disposition of a business unit or development function, or available funding or external factors such as an acquisition that diverts resources or creates competing priorities;

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collaborators may delay clinical trials, provide insufficient funding for a clinical trial program, stop a clinical trial or abandon a product candidate, repeat or conduct new clinical trials or require a new formulation of a product candidate for clinical testing;

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collaborators could independently develop, or develop with third parties, products that compete directly or indirectly with our products or product candidates if the collaborators believe that competitive products are more likely to be successfully developed or can be commercialized under terms that are more economically attractive than ours;

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a collaborator with marketing and distribution rights to multiple products may not commit sufficient resources to the marketing and distribution of our product relative to other products;

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collaborators may not properly obtain, maintain, defend or enforce our intellectual property rights or may use our proprietary information and intellectual property in such a way as to invite litigation or other intellectual property related proceedings that could jeopardize or invalidate our proprietary information and intellectual property or expose us to potential litigation or other intellectual property related proceedings;

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disputes may arise between the collaborators and us that result in the delay or termination of the research, development or commercialization of our products or product candidates or that result in costly litigation or arbitration that diverts management attention and resources;

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collaborations may be terminated and, if terminated, may result in a need for additional capital to pursue further development or commercialization of the applicable product candidates;

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collaboration agreements may not lead to development or commercialization of product candidates in the most efficient manner or at all; and

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if a future collaborator of ours were to be involved in a business combination, the continued pursuit and emphasis on our product development or commercialization program could be delayed, diminished or terminated.

If we establish one or more collaborations, all of the risks relating to product development, regulatory approval and commercialization described herein would also apply to the activities of any such future collaborators.

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Risks related to commercialization of our product candidates

The total addressable market opportunity for seribantumab, EO-3021 and any other future product candidates we may develop will ultimately depend upon, among other things, the diagnosis criteria included in the final labeling for each such product candidate if it is approved for sale for these indications, acceptance by the medical community, patient access, drug and any related companion diagnostic pricing and their reimbursement. Additionally, for enrollment in the CRESTONE trial, we are utilizing novel RNA-based testing methodologies to identify NRG1 gene fusions due to the methodology’s higher sensitivity compared to DNA-based testing methodologies for identifying oncogenic fusions. We may continue to prioritize novel RNA-based testing methodologies to identify NRG1 gene fusions for seribantumab. The total addressable market opportunity for seribantumab and any other future product candidates we may develop will depend upon commercially available RNA-based next generation sequencing testing.

We may initially seek regulatory approval of our product candidates as therapies for relapsed or refractory patients. The number of patients in our targeted commercial markets and elsewhere may turn out to be lower than expected, patients may not be otherwise amenable to treatment with our drugs or new patients may become increasingly difficult to identify or gain access to, all of which would adversely affect our results of operations and our business.

Even if our product candidates receive marketing approval, they may fail to achieve the degree of market acceptance by physicians, patients, third-party payors and others in the medical community necessary for commercial success.

If our product candidates receive marketing approval, they may nonetheless fail to gain sufficient market acceptance by physicians, patients, third-party payors and others in the medical community. For example, current cancer treatments, such as existing targeted therapies, chemotherapy, and radiation therapy, are well established in the medical community, and doctors may continue to rely on these treatments. If our product candidates do not achieve an adequate level of acceptance, we may not generate significant product revenues and we may not become profitable. The degree of market acceptance of our product candidates, if approved for commercial sale, will depend on a number of factors, including:

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the efficacy and potential advantages compared to alternative treatments;

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the acceptance of our product candidates as front-line treatments for various indications;

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the prevalence and severity of any side effects, in particular compared to alternative treatments;

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limitations or warnings contained in the labeling approved by the FDA or other regulatory authorities;

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the size of the target patient population;

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the willingness of the target patient population to try new therapies and of physicians to prescribe these therapies;

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our ability to offer our products for sale at competitive prices;

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the convenience and ease of administration compared to alternative treatments;

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the strength of marketing and distribution support;

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publicity for our product candidates and competing products and treatments;

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the existence of distribution and/or use restrictions, such as through a REMS;

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the availability of third-party payor coverage and adequate reimbursement;

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the timing of any marketing approval in relation to other product approvals;

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support from patient advocacy groups; and

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any restrictions on the use of our products together with other medications.

We currently have no marketing and sales organization and have no experience as a company in commercializing products and we may have to invest significant resources to develop these capabilities. If we are unable to establish sales and marketing capabilities or enter into agreements with third parties to market and sell our products, we may not be able to generate revenue.

We have never commercialized a product candidate and we currently have no sales or marketing infrastructure and have no experience in the sale, marketing or distribution of biological products. Our operations to date have been limited to organizing and staffing our company, business planning, raising capital, acquiring the rights to our product candidate and undertaking preclinical studies and clinical trials of our product candidate. To achieve commercial success for any product for which we obtain marketing approval, we will need to establish sales, marketing and distribution capabilities, either ourselves or through collaboration or other arrangements with third parties.

There are risks involved with establishing our own sales and marketing capabilities. For example, recruiting and training a sales force is expensive and time-consuming and could delay any product launch. If the commercial launch of a product candidate for which we recruit a sales force and establish marketing capabilities is delayed or does not occur for any reason, we would have prematurely or unnecessarily incurred these commercialization expenses. These efforts are expected to be costly, and our investment would be lost if we cannot retain or reposition our sales and marketing personnel.

Factors that may inhibit our efforts to commercialize our products on our own include:

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our inability to recruit, train and retain adequate numbers of effective sales and marketing personnel;

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our inability to raise financing necessary to build our commercialization infrastructure;

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the inability of sales personnel to obtain access to physicians or educate an adequate number of physicians as to the benefits of our products;

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unfavorable third-party payor coverage and reimbursement in any geography;

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the lack of complementary products to be offered by sales personnel, which may put us at a competitive disadvantage relative to companies with more extensive product lines; and

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unforeseen costs and expenses associated with creating an independent sales and marketing organization.

Furthermore, developing a sales and marketing organization requires significant investment, is time-consuming and could delay the launch of our product candidate. We may not be able to build an effective sales and marketing organization in the United States, the EU or other key global markets. If we are unable to build our own distribution and marketing capabilities or to find suitable partners for the commercialization of our product candidate, we may have difficulties generating revenue from them.

If we enter into arrangements with third parties to perform sales and marketing services, our product revenues and our profitability, if any, are likely to be lower than if we were to market and sell any products that we develop ourselves. In addition, we may not be successful in entering into arrangements with third parties to market and sell our product candidates or may be unable to do so on terms that are acceptable to us. We likely will have little control over such third parties, and any of these third parties may fail to devote the necessary resources and attention to sell and market our

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products effectively. If we do not establish sales and marketing capabilities successfully, either on our own or in collaboration with third parties, we will not be successful in commercializing any product candidate for which we receive marketing approval.

We face substantial competition, which may result in others discovering, developing or commercializing products before or more successfully than we do.

The development and commercialization of biological products is highly competitive. We face competition with respect to our current product candidates and will face competition with respect to any product candidates that we may seek to develop or commercialize in the future, from major biologics companies, specialty biologics companies and existing or emerging biotechnology companies, academic research institutions and governmental agencies and public and private research institutions worldwide.

There are a number of biological and biotechnology companies that currently are pursuing the development of precision oncology therapies for patients with undrugged, genetically-defined cancers with high unmet need. In particular, we expect that seribantumab will compete against other ERBB or HER3 inhibitors that target tumors with an NRG1 gene fusion. Several such candidates are currently in clinical development, including those of Merus N.V. (zenocutuzumab — MCLA 128), Hummingbird Bioscience Ltd. (HMBD 001 — 10D1F), AVEO Pharmaceuticals, Inc. (AV 203) and GamaMabs Pharma (9F7 F11). We may face further competition from companies pursuing the development of product candidates that are ERBB or HER3 inhibitors not currently in defined clinical plans for targeting tumors with an NRG1 fusion, including ISU ABXIS Co., Ltd, Daiichi Sankyo Company, Ltd, Celldex Therapeutics, Inc., GlaxoSmithKline PLC, Boehringer Ingelheim International GmbH, or others. Development efforts with respect to, and clinical trial results of, these potentially competitive product candidates may be unsuccessful, which could result in a negative perception of HER3 inhibitors in general, for instance, which could in turn negatively impact the regulatory approval process for seribantumab.

We expect that EO-3021 will compete against other ADCs targeting Claudin18.2. Several such candidates are currently in clinical development, including those of Turning Point Therapeutics, Inc. (LM-302), RemeGen (RC118), KLUS Pharma Inc. (SKB315), Keymed Biosciences (CMG 901), SOTIO Biotech (SOT102), Antengene Corporation (ATG-022) and TORL Biotherapeutics, LLC (TORL-2-307-ADC). We may face further competition from companies pursuing the development of product candidates that target Claudin18.2 through other modalities, including Astellas Pharma Inc., Jiangsu Aosaikang Pharmaceutical Co., Ltd., CARsgen Therapeutics Holdings Limited, Zai Lab Limited, Transcenta Holding Limited, Beijing Mabworks Biotech Co., Ltd., NovaRock Biotherapeutics Limited, Flame Biosciences, Legend Biotech Corporation, or others. Development efforts with respect to, and clinical trial results of, these potentially competitive product candidates may be unsuccessful, which could result in a negative perception of product candidates targeting Claudin18.2 in general, for instance, which could in turn negatively impact the regulatory approval process for EO-3021.

Many of the companies against which we are competing or against which we may compete in the future, either alone or through collaborations, have significantly greater financial resources and expertise in research and development, manufacturing, preclinical testing, conducting clinical trials, obtaining regulatory approvals and marketing approved products than we do. Mergers and acquisitions in the pharmaceutical and biotechnology industries may result in even more resources being concentrated among a smaller number of our competitors. Smaller and other early-stage companies may also prove to be significant competitors, particularly through collaborative arrangements with large and established companies. These third parties compete with us in recruiting and retaining qualified scientific, management and sales and marketing personnel, establishing clinical trial sites and patient registration for clinical trials, as well as in acquiring technologies complementary to, or necessary for, our programs.

Furthermore, we also face competition more broadly across the oncology market for cost-effective and reimbursable cancer treatments. There are a variety of available drug therapies marketed for cancer. In many cases, these drugs are administered in combination to enhance efficacy. While our product candidates, if approved, may compete with these existing drugs and other therapies, to the extent they are ultimately used in combination with or as an adjunct to these therapies, our product candidates may not be competitive with them. Some of these drugs are branded and subject to patent protection, and others are available on a generic basis. Insurers and other third-party payors may also encourage the use of generic products or specific branded products. As a result, obtaining market acceptance of, and gaining significant share of the

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market for, our product candidates may pose challenges. In addition, many companies are developing new oncology therapeutics, and we cannot predict what the standard of care will be as product candidates progress through clinical development.

Our commercial opportunity could be reduced or eliminated if our competitors develop and commercialize products that are safer, more effective, have fewer or less severe side effects, are more convenient to administer, are less expensive or with a more favorable labeling than our product candidates. Our competitors also may obtain FDA, foreign regulatory authority, or other marketing or regulatory approval for their products more rapidly than any approval we may obtain for ours, which could result in our competitors establishing a strong market position before we are able to enter the market, thereby limiting our potential for commercial success.

Even if we are able to commercialize any product candidates, the products may become subject to unfavorable pricing regulations, third-party reimbursement practices or healthcare reform initiatives, which would harm our business.

The regulations that govern marketing approvals, pricing, coverage and reimbursement for new drug products vary widely from country to country. Current and future legislation may significantly change the approval requirements in ways that could involve additional costs and cause delays in obtaining approvals. Some countries require approval of the sale price of a drug before it can be marketed. In many countries, the pricing review period begins after marketing or product licensing approval is granted. To obtain reimbursement or pricing approval in some countries, we may be required to conduct a clinical trial that compares the cost-effectiveness of our product candidate to other available therapies. In some foreign markets, prescription pharmaceutical pricing remains subject to continuing governmental control even after initial approval is granted. As a result, we might obtain marketing approval for a product candidate in a particular country, but then be subject to price regulations that delay our commercial launch of the product, possibly for lengthy time periods, and negatively impact the revenues, if any, we are able to generate from the sale of the product in that country. Adverse pricing limitations may hinder our ability to recoup our investment in one or more product candidates, even if such product candidates obtain marketing approval.

Our ability to commercialize any product candidates successfully also will depend in part on the extent to which coverage and adequate reimbursement for these products and related treatments will be available from third-party payors, including government healthcare programs, private health insurers and other organizations. Third-party payors decide which medications they will pay for and establish reimbursement levels. In the United States, the principal decisions about reimbursement for new medicines are typically made by the CMS, which decides whether and to what extent a new medicine will be covered and reimbursed under Medicare. Private payors often, but not always, follow CMS’s decisions regarding coverage and reimbursement.

A primary trend in the U.S. healthcare industry and elsewhere is cost containment. Third-party payors have attempted to control costs by limiting coverage and the amount of reimbursement for particular medications. Increasingly, third- party payors are requiring that drug companies provide them with predetermined discounts from list prices and are challenging the prices charged for medical products. Coverage and reimbursement may not be available for any product that we commercialize and, even if these are available, the level of reimbursement may not be satisfactory. Reimbursement may affect the demand for, or the price of, any product candidate for which we obtain marketing approval. Obtaining and maintaining coverage and adequate reimbursement for our products may be difficult. We may be required to conduct expensive pharmacoeconomic studies to justify coverage and reimbursement or the level of reimbursement relative to other therapies. If coverage and adequate reimbursement are not available or reimbursement is available only to limited levels, we may not be able to successfully commercialize any product candidate for which we obtain marketing approval.

Additionally, we may develop, either by ourselves or with collaborators, companion diagnostic tests for our product candidates for certain indications. We, or our collaborators, if any, will be required to obtain coverage and reimbursement for these tests separate and apart from the coverage and reimbursement we seek for our product candidates, if approved. While we have not yet developed any companion diagnostic test for our product candidates, if we do, there is significant uncertainty regarding our ability to obtain coverage and adequate reimbursement for the same reasons that are applicable to our product candidates.

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There may also be significant delays in obtaining coverage and reimbursement for newly approved drugs, and coverage may be more limited than the purposes for which the drug is approved by the FDA or similar regulatory authorities outside of the United States. Moreover, eligibility for coverage and reimbursement does not imply that a drug will be paid for in all cases or at a rate that covers our costs, including research, development, intellectual property, manufacture, sale and distribution expenses. Interim reimbursement levels for new drugs, if applicable, may also not be sufficient to cover our costs and may not be made permanent. Reimbursement rates may vary according to the use of the drug and the clinical setting in which it is used, may be based on reimbursement levels already set for lower cost drugs and may be incorporated into existing payments for other services. Net prices for drugs may be reduced by mandatory discounts or rebates required by government healthcare programs or private payors and by any future relaxation of laws that presently restrict imports of drugs from countries where they may be sold at lower prices than in the United States. Third-party payors often rely upon Medicare coverage policy and payment limitations in setting their own reimbursement policies, but also have their own methods and approval process apart from Medicare determinations. Our inability to promptly obtain coverage and adequate reimbursement rates from third- party payors for any approved products that we develop could have a material adverse effect on our operating results, our ability to raise capital needed to commercialize products and our overall financial condition.

We also cannot predict the likelihood, nature or extent of government regulation that may arise from future legislation or administrative action, either in the United States, or abroad. If we are slow or unable to adapt to changes in existing requirements or the adoption of new requirements or policies, or if we are not able to maintain regulatory compliance, our product candidates may lose any marketing approval that may have been obtained and we may not achieve or sustain profitability, which would adversely affect our business.

Product liability lawsuits against us could cause us to incur substantial liabilities and to limit commercialization of any products that we may develop.

We face an inherent risk of product liability exposure related to the testing of our product candidates in human clinical trials and will face an even greater risk if we commercialize any products that we may develop. If we cannot successfully defend ourselves against any claims that our product candidates or products caused injuries, we will incur substantial liabilities. Regardless of merit or eventual outcome, liability claims may result in:

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decreased demand for any product candidates or products that we may develop;

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injury to our reputation and significant negative media attention;

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initiation of investigations by regulators;

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withdrawal of clinical trial participants;

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significant time and costs to defend the related litigation;

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diversion of management and scientific resources from our business operations;

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substantial monetary awards to trial participants or patients;

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loss of revenue;

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reduced resources of our management to pursue our business strategy; and

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the inability to commercialize any products that we may develop.

Our current product liability insurance coverage for the United States and certain other jurisdictions may not be adequate to cover all liabilities that we may incur. We likely will need to increase our insurance coverage as we expand our clinical trials or if we commence commercialization of our product candidates. Insurance coverage is increasingly expensive. We

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may not be able to maintain insurance coverage at a reasonable cost or in an amount adequate to satisfy any liability that may arise. A successful product liability claim or series of claims brought against us could decrease our cash and adversely affect our business and financial condition.

Risks related to employee matters and our operations

As of ~~June~~September 30, 2022, we had 4048 full-time employees. We expect significant growth in the number of our employees and the scope of our operations, particularly in the areas of clinical development, clinical operations, manufacturing, late-stage regulatory affairs, finance, accounting, business operations, public company compliance, communications and other corporate development functions, and, if any of our product candidates receives marketing approval, sales, marketing and distribution. If we acquire additional product candidates or enter into future collaborations, we may have to further expand our employee base beyond our current projections, which may include further preclinical research and development or later-stage regulatory operations. To manage our anticipated future growth, we must continue to implement and improve our managerial, operational and financial systems, expand our facilities and continue to recruit and train additional qualified personnel. Due to our limited financial resources and the limited experience of our management team in managing a company with such anticipated growth and with developing sales, marketing and distribution infrastructure, we may not be able to effectively manage the expansion of our operations or recruit and train additional qualified personnel. The expansion of our operations may lead to significant costs and may divert our management and business development resources. Further, rapid expansion of our workforce while remaining a virtual company and working through the COVID-19 pandemic may have a detrimental impact on employee morale and cohesion.

Further, we currently rely, and for the foreseeable future will continue to rely, in substantial part on certain third-party contract organizations, advisors and consultants to provide certain services, including assuming substantial responsibilities for the conduct of our clinical trials and the manufacturing of our product candidates. We cannot assure you that the services of such third-party contract organizations, advisors and consultants will continue to be available to us on a timely basis when needed, or that we can find qualified replacements. In addition, if we are unable to effectively manage our outsourced activities or if the quality or accuracy of the services provided by our vendors or consultants is compromised for any reason, our clinical trials may be extended, delayed or terminated, and we may not be able to obtain marketing approval of our product candidates or otherwise advance our business. We cannot assure you that we will be able to properly manage our existing vendors or consultants or find other competent outside vendors and consultants on economically reasonable terms, or at all.

If we are not able to effectively manage growth and expand our organization, we may not be able to successfully implement the tasks necessary to further develop and commercialize our product candidates and, accordingly, we may not achieve our research, development and commercialization goals.

Our future success depends on our ability to retain key employees and to attract, retain and motivate qualified personnel and manage our human capital.

Our ability to compete in the highly competitive biotechnology and pharmaceutical industries depends upon our ability to attract, motivate and retain highly qualified managerial, scientific and medical personnel. We are highly dependent on the development and management expertise of Shawn Leland, our founder and Chief Executive Officer, as well as the other principal members of our management, scientific and clinical teams. We currently do not maintain key person insurance on these individuals. Although we have entered into employment agreements with our executive officers, each of them may terminate their employment with us at any time. In addition, we rely on consultants and advisors, including scientific and clinical advisors, to assist us in formulating our research and development and manufacturing strategy. Our consultants and advisors may be employed by employers other than us and may have commitments under consulting or advisory contracts with other entities that may limit their availability to us. Recruiting and retaining qualified finance and accounting personnel will also be critical to our success. We may not be able to attract or retain qualified personnel in the future due to the intense competition for a limited number of qualified personnel among pharmaceutical companies. Many of the other pharmaceutical companies against which we compete have greater financial and other resources, different risk

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profiles and a longer history in the industry than we do. Our competitors may provide higher compensation, more diverse opportunities and/or better opportunities for career advancement. Any or all of these competing factors may limit our ability to continue to attract and retain high quality personnel, which could negatively affect our ability to successfully develop and commercialize our product candidates and to grow our business and operations as currently contemplated.

Our employees, clinical trial investigators, CROs, CMOs, consultants, vendors and any potential commercial partners may engage in misconduct or other improper activities, including non-compliance with regulatory standards and requirements and insider trading.

We are exposed to the risk of fraud or other misconduct by our employees, clinical trial investigators, CROs, CMOs, consultants, vendors and any potential commercial partners. Misconduct by these parties could include intentional, reckless and/or negligent conduct or disclosure of unauthorized activities to us that violates: (i) FDA regulations or those of comparable foreign regulatory authorities, including those laws that require the reporting of true, complete and accurate information, (ii) manufacturing standards, (iii) federal and state health and data privacy, security, fraud and abuse, government price reporting, transparency reporting requirements, and other healthcare laws and regulations in the United States and abroad, (iv) sexual harassment and other workplace misconduct or (v) laws that require the true, complete and accurate reporting of financial information or data. Such misconduct could also involve the improper use of information obtained in the course of clinical trials, which could result in regulatory sanctions and cause serious harm to our reputation.

We have adopted a code of conduct applicable to all of our employees, as well as a disclosure program and other applicable policies and procedures, but it is not always possible to identify and deter employee misconduct, and the precautions we take to detect and prevent this activity may not be effective in controlling unknown or unmanaged risks or losses or in protecting us from governmental investigations or other actions or lawsuits stemming from a failure to comply with these laws or regulations. If any such actions are instituted against us, and we are not successful in defending ourselves or asserting our rights, those actions could have a significant impact on our business, including the imposition of significant civil, criminal and administrative penalties, damages, fines, disgorgement, imprisonment, exclusion from government funded healthcare programs, such as Medicare, Medicaid and other federal healthcare programs, contractual damages, reputational harm, diminished profits and future earnings, additional integrity reporting and oversight obligations, and the curtailment or restructuring of our operations, any of which could adversely affect our ability to operate our business and our results of operations.

We are a virtual company and our business depends on the efficient and uninterrupted operation of our information technology systems and those of our third-party CROs, CMOs, or other vendors, contractors or consultants, may fail or suffer security breaches, cyber-attacks, loss or leakage of data and other disruptions, which could result in a material disruption of our development programs, compromise sensitive information related to our business or prevent us from accessing critical information, potentially exposing us to liability or otherwise adversely affecting our business.

We are a virtual company and our business success depends on the security and efficient and uninterrupted operation of our information technology systems and we may be unable to adequately protect our information technology systems from cyber-attacks, which could result in the disclosure of confidential information, damage our reputation, and subject us to significant financial and legal exposure. We are increasingly dependent upon information technology systems, infrastructure and data to operate our business. In the ordinary course of business, we collect, store and transmit confidential information (including but not limited to intellectual property, proprietary business information and sensitive personal information). It is critical that we do so in a secure manner to maintain the confidentiality and integrity of such confidential information. We also have outsourced elements of our operations to third parties, and as a result we manage a number of third-party CROs, CMOs, vendors, and other contractors and consultants who have access to our confidential information. System failures or outages, including any potential disruptions due to significantly increased global demand on certain cloud-based systems during the remote work environment resulting from the COVID-19 pandemic, could compromise our ability to perform these functions in a timely manner, which could harm our ability to conduct business or delay our financial reporting.

Despite the implementation of security measures, given their size and complexity and the increasing amounts of confidential information that they maintain, our internal information technology systems and those of our third-party CROs, CMOs, vendors and other contractors and consultants are potentially vulnerable to breakdown or other damage or

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interruption from service interruptions, system malfunction, accidents by our employees or third party service providers, natural disasters, terrorism, war, global pandemics, and telecommunication and electrical failures, as well as security breaches from inadvertent or intentional actions by our employees, third-party CROs, CMOs, vendors, contractors, consultants, business partners and/or other third parties, or from cyber-attacks or supply chain attacks by malicious third parties (including the deployment of harmful malware, ransomware, denial-of-service attacks, social engineering and other means to affect service reliability and threaten the confidentiality, integrity and availability of information), which may compromise our system infrastructure, or that of our third-party CROs, CMOs, vendors and other contractors and consultants, or lead to data leakage. The risk of a security breach or disruption, particularly through cyber-attacks or cyber intrusion, including by computer hackers, foreign governments, and cyber terrorists, has generally increased as the number, intensity, and sophistication of attempted attacks and intrusions from around the world have increased. The COVID-19 pandemic is generally increasing the attack surface available for exploitation, as more companies and individuals work online and remotely, and as such, the risk of a cybersecurity incident occurring, and our investment in risk mitigations against such an incident, are increasing. For example, there has been an increase in phishing and spam email attacks as well as social engineering attempts from “hackers” hoping to use the COVID-19 pandemic to their advantage. We may not be able to anticipate all types of security threats, nor implement preventive measures effective against all such security threats. The techniques used by cyber criminals change frequently, may not be recognized until launched and can originate from a wide variety of sources, including outside groups such as external service providers, organized crime affiliates, terrorist organizations, or hostile foreign governments or agencies. Any breach, loss or compromise of clinical trial participant personal data may also subject us to civil fines and penalties, including under HIPAA, and other relevant state and federal privacy laws in the United States. If the information technology systems of our third-party CROs, CMOs, vendors and other contractors and consultants become subject to disruptions or security breaches, we may have insufficient recourse against such third parties and we may have to expend significant resources to mitigate the impact of such an event, and to develop and implement protections to prevent future events of this nature from occurring.

While we have not experienced any such system failure, accident or security breach to date, we cannot assure you that our data protection efforts and our investment in information technology will prevent significant breakdowns, data leakages, breaches in our systems, or those of our third-party CROs, CMOs, vendors and other contractors and consultants, or other cyber incidents that could have a material adverse effect upon our reputation, business, operations, or financial condition. For example, if such an event were to occur and cause interruptions in our operations, or those of our third-party CROs, CMOs, vendors and other contractors and consultants, it could result in a material disruption of our programs and the development of our product candidates could be delayed. In addition, the loss of clinical trial data for our product candidates could result in delays in our marketing approval efforts and significantly increase our costs to recover or reproduce the data. Furthermore, significant disruptions of our internal information technology systems or those of our third-party CROs, CMOs, vendors and other contractors and consultants, or security breaches could result in the loss, misappropriation and/or unauthorized access, use, or disclosure of, or the prevention of access to, confidential information (including trade secrets or other intellectual property, proprietary business information, and sensitive personal information), which could result in financial, legal, business and reputational harm to us.

A security breach may cause us to breach customer contracts. Our agreements with certain customers may require us to use industry-standard or reasonable measures to safeguard sensitive personal information or confidential information. A security breach could lead to claims by our customers, their end users, or other relevant stakeholders that we have failed to comply with such legal or contractual obligations. As a result, we could be subject to legal action or our customers could end their relationships with us. There can be no assurance that the limitations of liability in our contracts would be enforceable or adequate or would otherwise protect us from liabilities or damages.

In addition, litigation resulting from security breaches may adversely affect our business. Unauthorized access to our platform, systems, networks, or physical facilities could result in litigation with our customers, our customers’ end users, or other relevant stakeholders. These proceedings could force us to spend money in defense or settlement, divert management’s time and attention, increase our costs of doing business, or adversely affect our reputation. We could be required to fundamentally change our business activities and practices or modify our solutions and/or platform capabilities in response to such litigation, which could have an adverse effect on our business. If a security breach were to occur and the confidentiality, integrity or availability of our data or the data of our partners, our customers or our customers’ end users was disrupted, we could incur significant liability, or our platform, systems or networks may be perceived as less desirable, which could negatively affect our business and damage our reputation.

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We may not have adequate insurance coverage with respect to security breaches or disruptions. The successful assertion of one or more large claims against us that exceeds our available insurance coverage, or results in changes to our insurance policies (including premium increases or the imposition of large deductible or co-insurance requirements), could have an adverse effect on our business. In addition, we cannot be sure that our existing insurance coverage and coverage for errors and omissions will continue to be available on acceptable terms or that our insurers will not deny coverage as to any future claim.

We are subject to stringent and changing laws, regulations, rules, policies, standards, and contractual obligations related to privacy and data security. Our actual or perceived failure to comply with such obligations could lead to government enforcement actions (which could include civil or criminal penalties), private litigation and/or adverse publicity and could negatively affect our operating results and business.

We and any potential collaborators may be subject to federal, state and other data protection laws and regulations (i.e., laws and regulations that address privacy and data security). The regulatory framework for privacy, data security and data transfers worldwide is rapidly evolving and there has been an increasing focus on privacy and data protection issues with the potential to affect our business and as a result, interpretation and implementation standards and enforcement practices are likely to remain uncertain for the foreseeable future. Failure to comply with any of these laws and regulations could result in enforcement actions against us, including fines, public censure, claims for damages by affected individuals, damage to our reputation and loss of goodwill, any of which could have a material adverse effect on our business.

In the United States, numerous federal and state laws and regulations, including federal health information privacy laws, state data breach notification laws, state health information privacy laws and federal and state consumer protection laws (e.g., Section 5 of the Federal Trade Commission Act), that govern the collection, use, disclosure and protection of health-related and other personal information could apply to our operations or the operations of our collaborators. In addition, we may obtain health information from third parties (including research institutions from which we obtain clinical trial data) that are subject to privacy and security requirements under HIPAA, as amended by HITECH. Depending on the facts and circumstances, we could be subject to penalties if we obtain, use, or disclose individually identifiable health information maintained by a HIPAA-covered entity in a manner that is not authorized or permitted by HIPAA.

In addition, the state of California recently enacted the California Consumer Privacy Act, or CCPA, which creates new individual privacy rights for California consumers (as defined in the CCPA) and places increased privacy and security obligations on entities handling certain personal data of consumers or households. The CCPA requires covered companies to provide new disclosures to consumers about such companies’ data collection, use and sharing practices, provide such consumers new ways to opt-out of certain sales or transfers of personal information, and provide consumers with a private right of action for data breaches. The CCPA went into effect on January 1, 2020 and may impact our business activities and exemplifies the vulnerability of our business to the evolving regulatory environment related to personal data and protected health information. Additionally, although not effective until January 1, 2023, the California Privacy Rights Act, or the CPRA, which expands upon the CCPA, was recently passed in California. The CCPA gives (and the CPRA will give) California residents expanded privacy rights, including the right to request correction, access, and deletion of their personal information, the right to opt out of certain personal information sharing, and the right to receive detailed information about how their personal information is processed. The CCPA and CPRA provide for unlimited civil penalties for violations, as well as a private right of action for data breaches that is expected to increase data breach litigation. The CCPA and CPRA may increase our compliance costs and potential liability, particularly in the event of a data breach. Additionally, the CCPA has prompted a number of proposals in the U.S. for new federal and state-level privacy legislation that, if passed, could increase our potential liability, increase our compliance costs, and adversely affect our business.

Additionally, laws, regulations, rules and standards in many foreign jurisdictions apply broadly to the collection, use, retention, security, disclosure, transfer and other processing of personal information, which may impose significant compliance obligations on us. For example, in the EU, the processing of personal data, is governed by the provisions of the General Data Protection Regulation, or the GDPR.

In May 2018, the GDPR took effect in the European Economic Area, or the EEA. The GDPR governs the collection, use, disclosure, transfer or other processing of personal data of natural persons. Among other things, the GDPR imposes strict obligations on the ability to process health-related and other personal data of data subjects in the EEA, including in relation

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to use, collection, analysis and transfer (including cross-border transfers) of such personal data. The GDPR includes requirements relating to the consent of the individuals to whom the personal data relates, including detailed notices for clinical trial subjects and investigators. The GDPR also includes certain requirements regarding the security of personal data and notification of data processing obligations or security incidents to appropriate data protection authorities or data subjects, as well as requirements for establishing a lawful basis on which personal data can be processed. In addition, the GDPR increases the scrutiny of cross-border transfers of personal data from clinical trial sites located in the EEA to the United States and other jurisdictions that the European Commission does not recognize as having “adequate” data protection laws, and imposes substantial fines for breaches and violations (up to the greater of €20 million or 4% of our consolidated annual worldwide gross revenue). Further, recent legal developments in Europe have created complexity and compliance uncertainty regarding certain transfers of information from the EEA to the United States. For example, on June 16, 2020, the Court of Justice of the European Union, or the CJEU, declared the EU-U.S. Privacy Shield framework, or the Privacy Shield, to be invalid. As a result, Privacy Shield is no longer a valid mechanism for transferring personal data from the EEA to the United States. Moreover, it is uncertain whether the standard contractual clauses will also be invalidated by the European courts or legislature, which seems possible given the rationale behind the CJEU’s concerns about U.S. law and practice on government surveillance. The GDPR also confers a private right of action on data subjects and consumer associations to lodge complaints with supervisory authorities, seek judicial remedies and obtain compensation for damages resulting from violations of the GDPR.

We also may make public statements about our use and disclosure of personal information through our privacy policy and press statements. Although we endeavor to comply with our public statements and documentation, we may at times fail to do so or be alleged to have failed to do so. Despite our efforts, we may not be successful in achieving compliance if our employees or vendors fail to comply with our policies, certifications, and documentation. The publication of our privacy policy and other statements that provide promises and assurances about data privacy and security can subject us to potential government or legal action if they are found to be deceptive, unfair or misrepresentative of our actual practices. Any failure, real or perceived, by us to comply with our posted privacy policies or with any legal or regulatory requirements, standards, certifications or orders or other privacy or consumer protection-related laws and regulations applicable to us could cause our customers to reduce their use of our solutions and services and could materially and adversely affect our business, results of operations, financial condition, cash flows and prospects.

Compliance with U.S. and foreign data protection laws and regulations could require us to take on more onerous obligations in our contracts, restrict our ability to collect, transfer, use and disclose data, or in some cases, impact our ability to operate in certain jurisdictions. Failure to comply with U.S. and foreign data protection laws and regulations could result in government enforcement actions (which could include civil, criminal, and administrative penalties), private litigation and/or adverse publicity and could negatively affect our operating results and business. Moreover, clinical trial subjects about whom we or our potential collaborators obtain information, as well as the providers who share this information with us, may contractually limit our ability to use and disclose the information. Claims that we have violated individuals’ privacy rights, failed to comply with data protection laws, or breached our contractual obligations, even if we are not found liable, could be expensive and time consuming to defend and could result in adverse publicity that could harm our business.

We or the third parties upon whom we depend may be adversely affected by natural disasters and our business continuity and disaster recovery plans may not adequately protect us from a serious disaster.

Any unplanned event, such as flood, fire, explosion, earthquake, extreme weather condition, public health epidemic, including the COVID-19 pandemic, power shortage, telecommunication failure or other natural or manmade accidents or incidents that result in us being unable to fully utilize our facilities, or the manufacturing facilities of our third-party CMOs, may have a material and adverse effect on our ability to operate our business, particularly on a daily basis, and have significant negative consequences on our financial and operating conditions. Extreme weather conditions or other natural disasters could further disrupt our operations and have a material and adverse effect on our business, financial condition, results of operations and prospects. If a natural disaster, power outage or other event occurred that prevented us from using all or a significant portion of our facilities, that damaged critical infrastructure, such as our research facilities or the manufacturing facilities of our third-party CMOs, or that otherwise disrupted operations, it may be difficult or, in certain cases, impossible, for us to continue our business for a substantial period of time.

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Operating as a virtual company, our employees conduct business outside of any leased or owned facilities. These locations may be subject to additional security and other risk factors due to the limited control of our employees. The disaster recovery and business continuity plans we have in place may prove inadequate in the event of a serious disaster or similar event. We may incur substantial expenses as a result of the limited nature of our disaster recovery and business continuity plans, which could have a material adverse effect on our business. As part of our risk management policy, we maintain insurance coverage at levels that we believe are appropriate for our business. However, in the event of an accident or incident at these facilities, we cannot assure you that the amounts of insurance will be sufficient to satisfy any damages and losses. If our facilities, or the manufacturing facilities of our third-party CMOs, are unable to operate because of an accident or incident or for any other reason, even for a short period of time, any or all of our research and development programs may be harmed. Any business interruption could have a material and adverse effect on our business, financial condition, results of operations and prospects.

Changes in tax laws or regulations that are applied adversely to us may have a material adverse effect on our business, cash flow, financial condition or results of operations.

New income, sales, use or other tax laws, statutes, rules, regulations or ordinances could be enacted at any time, which could adversely affect our business operations and financial performance. Further, existing tax laws, statutes, rules, regulations or ordinances could be interpreted, changed, modified or applied adversely to us. For example, the TCJA, enacted many significant changes to the U.S. tax laws. Future guidance from the Internal Revenue Service and other tax authorities with respect to the TCJA may affect us, and certain aspects of the TCJA could be repealed or modified in future legislation. For example, the CARES Act modified certain provisions of the TCJA. In addition, it is uncertain if and to what extent various states will conform to the TCJA, the CARES Act, or any other newly enacted federal tax legislation. Changes in corporate tax rates, the realization of net deferred tax assets relating to our operations, the taxation of foreign earnings, and the deductibility of expenses under the TCJA, the CARES Act or future reform legislation could have a material impact on the value of our deferred tax assets, could result in significant one-time charges, and could increase our future U.S. tax expense.

Our ability to use our net operating loss carryforwards and certain other tax attributes may be limited.

We have incurred substantial losses during our history and do not expect to become profitable in the near future, and we may never achieve profitability. Under the TCJA, as modified by the CARES Act, unused U.S. federal net operating losses generated in tax years beginning after December 31, 2017, will not expire and may be carried forward indefinitely but the deductibility of such federal net operating losses may be limited to 80% of current year taxable income. It is uncertain if and to what extent various states will conform to the TCJA or the CARES Act. In addition, both our current and our future unused losses and other tax attributes may be subject to limitation under Sections 382 and 383 of the U.S. Internal Revenue Code of 1986, as amended, or the Code, if we undergo, or have undergone, an “ownership change,” generally defined as a greater than 50 percentage point change (by value) in our equity ownership by certain stockholders over a three-year period. We have not completed a Section 382 study to assess whether an ownership change has occurred or whether there have been multiple ownership changes since our formation due to the complexity and cost associated with such a study and the fact that there may be additional ownership changes in the future. As a result, if we undergo an ownership change (or if we previously underwent such an ownership change), our ability to use all of our pre-change net operating loss carryforwards and other pre-change tax attributes (such as research tax credits) to offset our post-change income or taxes may be limited. Similar provisions of state tax law may also apply to limit our use of accumulated state tax attributes. In addition, at the state level, there may be periods during which the use of net operating losses is suspended or otherwise limited, which could accelerate or permanently increase state taxes owed. As a result, even if we attain profitability, we may be unable to use all or a material portion of our net operating losses and other tax attributes, which could adversely affect our future cash flows.

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Risks related to intellectual property

Our success depends in large part on our ability to protect our proprietary technologies that we believe are important to our business, including pursuing, obtaining and maintaining patent protection in the United States and other countries intended to cover the compositions of matter of seribantumab and our future product candidates, their methods of use, related technologies and other inventions that are important to our business. In addition to patent protection, we also rely on trade secrets to protect aspects of our business that are not amenable to, or that we do not consider appropriate for, patent protection. If we do not adequately pursue, obtain, maintain, protect or enforce our intellectual property, third parties, including our competitors, may be able to erode or negate any competitive advantage we may have, which could harm our business and ability to achieve profitability.

The patent application and approval process is expensive, time-consuming and complex. We may not be able to file, prosecute and maintain all necessary or desirable patent applications at a reasonable cost or in a timely manner or in all jurisdictions. We also cannot predict whether the patent applications we are currently pursuing will issue as patents in any particular jurisdictions. It is also possible that we will fail to identify patentable aspects of our product candidates before it is too late to obtain patent protection. Moreover, depending on the terms of any future license agreements to which we may become a party, we may not have the right to control the preparation, filing, and prosecution of patent applications, or to maintain the patents, covering technology licensed from third parties. Therefore, these patents and patent applications may not be prosecuted and enforced in a manner consistent with the best interests of our business.

Furthermore, the patent position of biotechnology and pharmaceutical companies generally is highly uncertain. No consistent policy regarding the breadth of claims allowed in biotechnology and pharmaceutical patents has emerged to date in the United States or in many foreign jurisdictions. The standards applied by the United States Patent and Trademark Office, or the USPTO, and foreign patent offices in granting patents are not always applied uniformly or predictably. In addition, the determination of patent rights with respect to biological and pharmaceutical products commonly involves complex legal and factual questions, which have in recent years been the subject of much litigation. As a result, the issuance, scope, validity, enforceability and commercial value of our patent rights are highly uncertain. Thus, we cannot offer any assurances about which, if any, patents will be issued, the breadth of any such patents, whether any issued patents will be found invalid and unenforceable or will be threatened by third parties or whether any issued patents will effectively prevent others from commercializing competing technologies and product candidates. While we have filed patent applications covering aspects of our most advanced product candidate, seribantumab, we currently have only one U.S. application, as well as a corresponding Patent Cooperation Treaty (“PCT”) application, specifically covering the use of seribantumab to treat patients with tumors harboring an NRG1 fusion according to our CRESTONE clinical dosing regimen. Any patents issuing from these currently unpublished applications would expire in 2042, subject to any disclaimers or extensions.

Our pending patent applications cannot be enforced against third parties practicing the technology claimed in such applications unless and until at least one patent issues from such applications. Assuming the other requirements for patentability are met, currently, the first to file a patent application is generally entitled to the patent. However, prior to March 16, 2013, in the United States, the first to invent was entitled to the patent. Publications of discoveries in the scientific literature often lag behind the actual discoveries, and patent applications in the United States and other jurisdictions are typically not published until 18 months after filing, or in some cases not at all. Since patent applications in the United States and most other countries are confidential for a period of time after filing, and some remain so until issued, we cannot be certain that we were the first to file or invent (prior to March 16, 2013) any patent application related to our current or future product candidates. In addition, we enter into non-disclosure and confidentiality agreements with parties who have access to confidential or patentable aspects of our research and development output, such as our employees, collaborators, CROs, CMOs, hospitals, independent treatment centers, consultants, independent contractors, suppliers, advisors and other third parties; however, any of these parties may breach the agreements and disclose such output before a patent application is filed, thereby jeopardizing our ability to seek patent protection. Furthermore, if third

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parties have filed patent applications related to our current or future product candidates or technology, we may not be able to obtain our own patent rights to those product candidates or technology.

Moreover, because the issuance of a patent is not conclusive as to its inventorship, scope, validity or enforceability, our patents or pending patent applications may be challenged in the courts or patent offices in the United States and abroad. For example, we may be subject to a third-party pre-issuance submission of prior art to the USPTO or become involved in post-grant review procedures, oppositions, derivations, revocation, reexaminations, inter partes review or interference proceedings, in the United States or elsewhere, challenging our patent rights or the patent rights of others. An adverse determination in any such submission, proceeding or litigation could reduce the scope of, or invalidate, our patent rights, allow third parties to commercialize our technology or products and compete directly with us, without payment to us, or result in our inability to manufacture or commercialize products without infringing third-party rights. Moreover, we may have to participate in interference proceedings declared by the USPTO to determine priority of invention or in post-grant challenge proceedings, such as oppositions in a foreign patent office, that challenge priority of invention or other features of patentability. Such challenges may result in loss of exclusivity or in our patent claims being narrowed, invalidated or held unenforceable, in whole or in part, which could limit our ability to stop others from using or commercializing similar or identical technology and products or limit the duration of the patent protection of our technology and products. Such challenges also may result in substantial cost and require significant time from our scientists and management, even if the eventual outcome is favorable to us. Any of the foregoing could have a material adverse effect on our business, financial condition, results of operations, and prospects.

In addition, given the amount of time required for the development, testing and regulatory review of new product candidates, our patents protecting such product candidates might expire before or shortly after such product candidates are commercialized. As a result, our intellectual property may not provide us with sufficient rights to exclude others from commercializing products similar or identical to ours. Moreover, some of our patents and patent applications may in the future be co-owned with third parties. If we are unable to obtain an exclusive license to any such third-party co-owners’ interest in such patents or patent applications, such co-owners may be able to license their rights to other third parties, including our competitors, and our competitors could market competing products and technology. In addition, we may need the cooperation of any such co-owners of our patents in order to enforce such patents against third parties, and such cooperation may not be provided to us. Any of the foregoing could have a material adverse effect on our competitive position, business, financial conditions, results of operations, and prospects.

Our pending and future patent applications may not result in patents being issued that protect our product candidates, in whole or in part, or which effectively prevent others from commercializing competitive products. Changes in either the patent laws or interpretation of the patent laws in the United States and other countries may diminish the value of our patents or narrow the scope of our patent protection. In addition, the laws of other countries may not protect our rights to the same extent or in the same manner as the laws of the United States. For example, European patent law restricts the patentability of methods of treatment of the human body more than United States law does.

Even if our patent applications issue as patents, they may not issue in a form that will provide us with any meaningful protection, prevent competitors or other third parties from competing with us or otherwise provide us with any competitive advantage. Moreover, the coverage claimed in a patent application can be significantly reduced before the patent is issued and its scope can be reinterpreted after issuance. Consequently, we do not know whether our product candidates will be protectable or remain protected by valid and enforceable patents. Our competitors and other third parties may be able to circumvent our patents by developing similar or alternative technologies or products in a non-infringing manner. Our competitors and other third parties may also seek approval to market their own products similar to or otherwise competitive with our products. Alternatively, our competitors or other third parties may seek to market generic versions or “follow-on” versions of any approved products by submitting abbreviated new drug applications, or ANDAs, or new drug applications under Section 505(b)(2) of the Federal Food, Drug, and Cosmetic Act, or FDCA, respectively, to the FDA during which they may claim that patents owned by us are invalid, unenforceable or not infringed. In these circumstances, we may need to defend or assert our patents, or both, including by filing lawsuits alleging patent infringement. In any of these types of proceedings, a court or other agency with jurisdiction may find our patents invalid or unenforceable, or that our competitors are competing in a non-infringing manner. Thus, even if we have valid and enforceable patents, these patents still may not provide protection against competing products or processes sufficient to achieve our business

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objectives. Any of the foregoing could have a material adverse effect on our competitive position, business, financial conditions, results of operations, and prospects.

Furthermore, future patents may be subject to a reservation of rights by one or more third parties. For example, to the extent the research resulting in future patent rights or technologies is funded in the future in part by the U.S. government, the government could have certain rights in any resulting patents and technology, including a non-exclusive license authorizing the government to use the invention or to have others use the invention on its behalf for non-commercial purposes. If the U.S. government then decides to exercise these rights, it is not required to engage us as its contractor in connection with doing so. These rights may also permit the government to disclose our confidential information to third parties and to exercise march-in rights to use or allow third parties to use our licensed technology. The government may also exercise its march-in rights if it determines that action is necessary because we failed to achieve practical application of the government-funded technology, because action is necessary to alleviate health or safety needs, to meet requirements of federal regulations, or to give preference to U.S. industry. In addition, our rights in such government-funded inventions may be subject to certain requirements to manufacture products embodying such inventions in the United States. Any exercise by the government of aforementioned proprietary rights could harm our competitive position, business, financial condition, results of operations, and prospects.

Changes to patent laws in the United States and other jurisdictions could diminish the value of patents in general, thereby impairing our ability to protect our products.

As is the case with other biopharmaceutical companies, our success is heavily dependent on intellectual property, particularly patents. Obtaining and enforcing patents in the biotechnology and pharmaceutical industries involves both technological and legal complexity and is therefore costly, time consuming and inherently uncertain. Changes in either the patent laws or interpretation of the patent laws in the United States could increase the uncertainties and costs surrounding the prosecution of patent applications and the enforcement or defense of issued patents. Recent patent reform legislation in the United States and other countries, including the Leahy-Smith America Invents Act, or the Leahy-Smith Act, signed into law in September 2011, could increase those uncertainties and costs. The Leahy-Smith Act includes a number of significant changes to U.S. patent law. These include provisions that affect the way patent applications are prosecuted, redefine prior art and provide more efficient and cost-effective avenues for competitors to challenge the validity of patents. For example, the Leahy-Smith Act allows third-party submission of prior art to the USPTO during patent prosecution and additional procedures to attack the validity of a patent by USPTO administered post-grant proceedings, including post-grant review, inter partes review, and derivation proceedings. In addition, the Leahy-Smith Act has transformed the U.S. patent system from a “first-to-invent” system to a “first-to-file” system in which, assuming that other requirements for patentability are met, the first inventor to file a patent application will be entitled to the patent on an invention regardless of whether a third party was the first to invent the claimed invention. The first-to-file provisions, however, only became effective on March 16, 2013. It is not yet clear what, if any, impact the Leahy-Smith Act will have on the operation of our business. However, the Leahy-Smith Act and its implementation could make it more difficult to obtain patent protection for our inventions and increase the uncertainties and costs surrounding the prosecution of our or our potential collaboration partners’ patent applications and the enforcement or defense of our or our future collaboration partners’ issued patents, all of which could harm our business, results of operations, financial condition and prospects.

In addition, the patent positions of companies in the development and commercialization of biologics are particularly uncertain. The U.S. Supreme Court has ruled on several patent cases in recent years, either narrowing the scope of patent protection available in certain circumstances or weakening the rights of patent owners in certain situations. This combination of events has created uncertainty with respect to the validity and enforceability of patents, once obtained. Additionally, there have been recent proposals for additional changes to the patent laws of the United States and other countries that, if adopted, could impact our ability to enforce our proprietary technology. Depending on future actions by the U.S. Congress, the U.S. courts, the USPTO and the relevant law-making bodies in other countries, the laws and regulations governing patents could change in unpredictable ways that could have a material adverse effect on our existing patent portfolio and weaken our ability to obtain new patents or to enforce our existing patents and patents that we might obtain in the future.

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We may become involved in lawsuits or administrative disputes to protect or enforce our patents or other intellectual property, which could be expensive, time consuming and unsuccessful.

Competitors and other third parties may infringe, misappropriate or otherwise violate our patents, trademarks, copyrights, trade secrets or other intellectual property. To counter infringement, misappropriation or other violations, we may be required to file infringement, misappropriation or other violation claims, which can be expensive and time consuming and divert the time and attention of our management and business and scientific personnel. In addition, many of our adversaries in these proceedings may have the ability to dedicate substantially greater resources to prosecuting these legal actions than we can.

Any claims we assert against perceived infringers could provoke these parties to assert counterclaims against us alleging that we infringe, misappropriate or otherwise violate their patents or their other intellectual property, in addition to counterclaims asserting that our patents are invalid or unenforceable, or both. In patent litigation in the United States, counterclaims challenging the validity, enforceability or scope of asserted patents are commonplace. Similarly, third parties may initiate legal proceedings against us seeking a declaration that certain of our intellectual property is non-infringed, invalid or unenforceable. The outcome of any such proceeding is generally unpredictable.

In any patent infringement proceeding, there is a risk that a court will decide that a patent of ours is invalid or unenforceable, in whole or in part, and that we do not have the right to stop the other party from using the invention at issue. There is also a risk that, even if the validity of such patents is upheld, the court will construe the patent’s claims narrowly or decide that we do not have the right to stop the other party from using the invention at issue on the grounds that our patent claims do not cover the invention. An adverse outcome in a litigation or proceeding involving our patents could limit our ability to assert our patents against those parties or other competitors, and may curtail or preclude our ability to exclude third parties from making and selling similar or competitive products. If a defendant were to prevail on a legal assertion of invalidity or unenforceability of our patents covering one of our product candidates, we could lose at least a part, and perhaps all, of the patent protection covering such a product candidate. Competing drugs may also be sold in other countries in which our patent coverage might not exist or be as strong. If we lose a foreign patent lawsuit, alleging our infringement of a competitor’s patents, we could be prevented from marketing our product candidates in one or more foreign countries. Any of these occurrences could adversely affect our competitive business position, business prospects and financial condition. Similarly, if we assert trademark infringement claims, a court may determine that the marks we have asserted are invalid or unenforceable, or that the party against whom we have asserted trademark infringement has superior rights to the marks in question. In this case, we could ultimately be forced to cease use of such trademarks.

Even if we establish infringement, the court may decide not to grant an injunction against further infringing activity and instead award only monetary damages, which may or may not be an adequate remedy. Furthermore, because of the substantial amount of discovery required in connection with intellectual property litigation, there is a risk that some of our confidential information could be compromised by disclosure during litigation. There could also be public announcements of the results of hearings, motions or other interim proceedings or developments. If securities analysts or investors perceive these results to be negative, it could have a material adverse effect on the price of shares of our common stock. Moreover, there can be no assurance that we will have sufficient financial or other resources to file and pursue such infringement claims, which typically last for years before they are concluded. Even if we ultimately prevail in such claims, the monetary cost of such litigation and the diversion of the attention of our management and scientific personnel could outweigh any benefit we receive as a result of the proceedings.

Furthermore, third parties may also raise invalidity or unenforceability claims before administrative bodies in the United States or foreign authorities, even outside the context of litigation. Such mechanisms include re-examination, inter partes review, post-grant review, interference proceedings, derivation proceedings and equivalent proceedings in foreign jurisdictions (e.g., opposition proceedings). Such proceedings could result in revocation, cancellation or amendment to our patents in such a way that they no longer cover and protect our product candidates. The outcome following legal assertions of invalidity and unenforceability is unpredictable. Grounds for a validity challenge could be an alleged failure to meet any of several statutory requirements, including lack of novelty, obviousness, non-enablement or written description. Grounds for an unenforceability assertion could be an allegation that someone connected with the prosecution of the patent withheld relevant information from the USPTO, or made a misleading statement, during prosecution of the patent. With respect to the validity of our patents, for example, we cannot be certain that there is no invalidating prior art of which we,

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our licensors, our patent counsel and the patent examiner were unaware during prosecution. Moreover, it is possible that prior art may exist that we are aware of but do not believe is relevant to our current or future patents, but that could nevertheless be determined to render our patents invalid. If a third party were to prevail on a legal assertion of invalidity or unenforceability, we could lose at least part, and perhaps all, of the patent protection on our product candidates. Any such loss of patent protection could have a material adverse impact on our business, financial condition, results of operations and prospects.

We may not be able to effectively protect or enforce our intellectual property and proprietary rights throughout the world.

Filing, prosecuting and defending patents with respect to our product candidates in all countries throughout the world would be prohibitively expensive, and the laws of other countries may not protect our rights to the same extent as the laws of the United States. The requirements for patentability may differ in certain countries, particularly in developing countries. In addition, any future intellectual property license agreements may not always include worldwide rights. Consequently, competitors and other third parties may use our technologies in jurisdictions where we have not obtained patent protection to develop their own products and, further, may export otherwise infringing products to territories where we may obtain patent protection, but where patent enforcement is not as strong as that in the United States and where our ability to enforce our patents to stop infringing activities may be inadequate. These products may compete with our products in such territories and in jurisdictions where we do not have any patent rights or where any future patent claims or other intellectual property or proprietary rights may not be effective or sufficient to prevent them from competing with us, which could have a material adverse effect on our business, financial condition, results of operations and prospects.

Moreover, our ability to protect and enforce our intellectual property and proprietary rights may be adversely affected by unforeseen changes in foreign intellectual property laws. Additionally, the laws of some countries outside of the United States and Europe do not afford intellectual property protection to the same extent as the laws of the United States and Europe. Many companies have encountered significant problems in protecting and defending intellectual property and proprietary rights in certain jurisdictions. The legal systems of some countries, including, for example, India, China and other developing countries, do not view favorably the enforcement of patents and other intellectual property or proprietary rights, particularly those relating to biotechnology products, which could make it difficult for us to stop the infringement, misappropriation or other violation of our patents or other intellectual property or proprietary rights. For example, many countries have compulsory licensing laws under which a patent owner must grant licenses to third parties. Consequently, we may not be able to prevent third parties from practicing our inventions in certain countries outside the United States and Europe. In addition, many countries limit the enforceability of patents against government agencies or government contractors. In these countries, the patent owner may have limited remedies, which could materially diminish the value of such patent. If we are forced to grant a license to third parties with respect to any patents relevant to our business, our competitive position may be impaired, and our business, financial condition, results of operations, and prospects may be adversely affected. Proceedings to enforce our intellectual property and proprietary rights in foreign jurisdictions, whether or not successful, could result in substantial costs and divert our efforts and resources from other aspects of our business, could put our patents, trademarks or other intellectual property and proprietary rights at risk of being invalidated or interpreted narrowly, could put our patent applications at risk of not issuing, and could provoke third parties to assert claims against us. We may not prevail in any lawsuits that we initiate, and the damages or other remedies awarded, if any, may not be commercially meaningful. Furthermore, while we intend to protect our intellectual property and proprietary rights in major markets for our products, we cannot ensure that we will be able to initiate or maintain similar efforts in all jurisdictions in which we may wish to market our products. Accordingly, our efforts to protect our intellectual property and proprietary rights in such countries may be inadequate.

If we are sued for infringing, misappropriating or otherwise violating intellectual property or proprietary rights of third parties, such litigation or disputes could be costly and time consuming and could prevent or delay us from developing or commercializing our product candidates.

Our commercial success depends, in part, on our ability to develop, manufacture, market and sell our product candidates and use our proprietary technologies without infringing, misappropriating or otherwise violating the intellectual property and other proprietary rights of third parties. If any third-party patents, patent applications or other proprietary rights are found to cover our product candidates or any related companion diagnostics or their compositions, methods of use or

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manufacturing, we may be required to pay damages, which could be substantial, and we would not be free to manufacture or market our product candidates or to do so without obtaining a license, which may not be available on commercially reasonable terms, or at all.

We may in the future become party to, or threatened with, adversarial proceedings or litigation regarding intellectual property or proprietary rights with respect to our product candidates and technologies we use in our business. Our competitors or other third parties may assert infringement claims against us, alleging that our product candidates are covered by their patents. We cannot be certain that we do not infringe existing patents or that we will not infringe patents that may be granted in the future. Furthermore, because patent applications can take many years to issue and may be confidential for 18 months or more after filing, and because patent claims can be revised before issuance, there may be applications now pending which may later result in issued patents that may be infringed by the manufacture, use or sale of our product candidates. If a patent holder believes our product candidate infringes its patent rights, the patent holder may sue us even if we have received patent protection for our technology. Moreover, we may face patent infringement claims from non-practicing entities that have no relevant drug revenue and against whom our own patent portfolio may thus have no deterrent effect.

There is a substantial amount of intellectual property litigation in the biotechnology and biological product industries, and we may become party to, or threatened with, litigation or other adversarial proceedings regarding intellectual property or proprietary rights with respect to our product candidates, including interference proceedings before the USPTO. Third parties may assert infringement, misappropriation or other claims against us based on existing or future intellectual property or proprietary rights. The outcome of intellectual property litigation and other disputes is subject to uncertainties that cannot be adequately quantified in advance. The biological product and biotechnology industries have produced a significant number of patents, and it may not always be clear to industry participants, including us, which patents cover various types of products or methods of using or manufacturing products. The coverage of patents is subject to interpretation by the courts, and the interpretation is not always uniform. If we were sued for patent infringement, we would need to demonstrate that our product candidates, products or methods of use, manufacturing or other applicable activities either do not infringe the patent claims of the relevant patent or that the patent claims are invalid or unenforceable, and we may not be successful in doing so. However, proving invalidity or unenforceability is difficult. For example, in the United States, proving invalidity requires a showing of clear and convincing evidence to overcome the presumption of validity enjoyed by issued patents. Even if we believe third-party intellectual property claims are without merit, there is no assurance that a court would find in our favor on questions of infringement, validity, or enforceability. Even if we are successful in these proceedings, we may incur substantial costs and the time and attention of our management and business and scientific personnel could be diverted in pursuing these proceedings, which could significantly harm our business and operating results. In addition, we may not have sufficient resources to bring these actions to a successful conclusion.

If we are found to infringe, misappropriate or otherwise violate a third party’s intellectual property or proprietary rights and we are unsuccessful in demonstrating that such intellectual property or proprietary rights are invalid or unenforceable, we could be forced, including by court order, to cease developing, manufacturing or commercializing the infringing product candidate or product. Alternatively, we may be required to obtain a license from such third party in order to use the infringing technology and continue developing, manufacturing or marketing the infringing product candidate. However, we may not be able to obtain any required license on commercially reasonable terms or at all. Even if we were able to obtain such a license, it could be granted on non- exclusive terms, thereby giving our competitors and other third parties access to the same technologies licensed to us. In addition, we could be found liable for significant monetary damages, including treble damages and attorneys’ fees if we are found to have willfully infringed such third-party patent rights. A finding of infringement could prevent us from commercializing our product candidates or force us to cease some of our business operations, which could materially harm our business. Claims that we have misappropriated the confidential information or trade secrets of third parties could have a similar negative impact on our business, financial condition, results of operations and prospects.

We may be subject to claims by third parties asserting that our employees or consultants or we have misappropriated their intellectual property, or claiming ownership of what we regard as our own intellectual property.

Some of our employees and consultants are currently or have been previously employed at universities or at other biotechnology or biologics companies, including our competitors or potential competitors. These employees and

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consultants may have executed proprietary rights, non-disclosure and non-competition agreements, or similar agreements, in connection with such other current or previous employment. Although we try to ensure that our employees and consultants do not use the proprietary information or know-how of others in their work for us, we may be subject to claims that we or these individuals have used or disclosed intellectual property, including trade secrets or other proprietary information, of third parties. Litigation may be necessary to defend against such claims. If we fail in defending any such claims, in addition to paying monetary damages, we may lose valuable intellectual property or personnel or sustain damages. Such intellectual property could be awarded to a third party, and we could be required to obtain a license from such third party to commercialize our technology or products. Such a license may not be available on commercially reasonable terms or at all. Even if we are successful in defending against such claims, litigation could result in substantial costs and be a distraction to our management. Any of the foregoing would have a material adverse effect on our business, financial condition, results of operations and prospects.

In addition, while it is our policy to require our employees, consultants and contractors who may be involved in the conception or development of intellectual property to execute agreements assigning such intellectual property to us, we may be unsuccessful in executing such an agreement with each party who, in fact, conceives or develops intellectual property that we regard as our own, which may result in claims by or against us related to the ownership of such intellectual property. In addition, such agreements may not be self-executing such that the intellectual property subject to such agreements may not be assigned to us without additional assignments being executed, and we may fail to obtain such assignments. In addition, such agreements may be breached. In addition, we have multiple sponsored research agreements relating to our most advanced product candidate, seribantumab, with various academic institutions. Some of these academic institutions may not have intellectual property assignments or similar agreements with their employees and consultants, which may result in claims by or against us related to ownership of any intellectual property. Accordingly, we may be forced to bring claims against third parties, or defend claims that they may bring against us to determine the ownership of what we regard as our intellectual property. If we fail in prosecuting or defending any such claims, in addition to paying monetary damages, we may lose valuable intellectual property. Even if we are successful in prosecuting or defending against such claims, litigation could result in substantial costs and be a distraction to our senior management and scientific personnel, which would have a material adverse effect on our business, financial condition, results of operations and prospects.

Rights to improvements to our product candidates may be held by third parties, which could require us to obtain a license to such rights. Such a license may not be available on commercially reasonable terms, if at all.

We have entered into agreements with third parties to conduct clinical testing of our product candidates, which provide that improvements to our product candidates may be owned solely by a party or jointly between the parties. If we determine that rights to such improvements owned solely by a third party are necessary to commercialize our product candidates or maintain our competitive advantage, we may need to obtain a license from such third party in order to use the improvements and continue developing, manufacturing or marketing the product candidates. However, we may not be able to obtain any required license on commercially reasonable terms or at all. Even if we were able to obtain such a license, it could be granted on non-exclusive terms, thereby giving our competitors and other third parties access to the same technologies licensed to us. Failure to obtain a license on commercially reasonable terms or at all, or to obtain an exclusive license, could prevent us from commercializing our product candidates or force us to cease some of our business operations, which could materially harm our business. If we determine that rights to improvements jointly owned between us and a third party are necessary to commercialize our product candidates or maintain our competitive advantage, we may need to obtain an exclusive license from such third party. If we are unable to obtain an exclusive license to any such third-party co-owners’ interest in such improvements, such co-owners may be able to license their rights to other third parties, including our competitors, and our competitors could market competing products and technology. In addition, we may need the cooperation of any such co-owners of our intellectual property in order to enforce such intellectual property against third parties, and such cooperation may not be provided to us. Any of the foregoing could have a material adverse effect on our competitive position, business, financial conditions, results of operations, and prospects.

We may be subject to claims challenging the inventorship of our patents and other intellectual property.

We or any future licensors may be subject to claims that former employees, collaborators or other third parties have an interest in our owned or in-licensed patents, trade secrets, or other intellectual property as an inventor or co-inventor. For

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example, we or any future licensors may have inventorship disputes arise from conflicting obligations of employees, consultants or others who are involved in developing our product candidates. Litigation may be necessary to defend against these and other claims challenging inventorship or our or any future licensors’ ownership of our owned or in-licensed patents, trade secrets or other intellectual property. If we or any future licensors fail in defending any such claims, in addition to paying monetary damages, we may lose valuable intellectual property rights, such as exclusive ownership of, or right to use, intellectual property that is important to our product candidates. Even if we are successful in defending against such claims, litigation could result in substantial costs and be a distraction to management and other employees. Any of the foregoing could have a material adverse effect on our business, financial condition, results of operations and prospects.

The term of our patents may be inadequate to protect our competitive position on our products.

Given the amount of time required for the development, testing and regulatory review of new product candidates, patents protecting such candidates might expire before or shortly after such candidates are commercialized. For example, our wholly owned patent portfolio includes a patent family with claims directed to antibodies and related compositions covering seribantumab, as well as methods of treating cancer using such antibodies and compositions. The family contains three U.S. patents directed to seribantumab which expire in February 2028 and a fourth U.S. patent which expires in October 2029 (including 614 days of Patent Term Adjustment), subject to any disclaimers or extensions. The family also contains a pending U.S. application, which if issued, would expire in February 2028, subject to any disclaimers or extensions. In addition, the above-discussed patent family includes granted patents in China, Europe, Hong Kong, Israel, and Japan with claims directed to compositions of matter covering seribantumab and related methods of therapy. These patents expire in February 2028, subject to any disclaimers or extensions. Depending upon the timing, duration and other factors relating to any FDA marketing approval we receive for seribantumab, one or more of our U.S. patents may be eligible for limited patent term extension under the Drug Price Competition and Patent Term Restoration Action of 1984, or the Hatch-Waxman Amendments. We expect to seek extensions of patent terms in the United States and, if available, in other countries where we are prosecuting patents. In the United States, the Hatch-Waxman Amendments permit a patent term extension of up to five years beyond the normal expiration of the patent, limited to the approved indication (or any additional indications approved during the period of extension), as compensation for patent term lost to the regulatory review process during which the sponsor was unable to commercially market its new product. A patent term extension cannot extend the remaining term of a patent beyond a total of 14 years from the date of product approval, only one patent applicable to an approved drug is eligible for the extension and only those claims covering the approved drug, a method for using it, or a method for manufacturing it may be extended, and the application for the extension must be submitted prior to the expiration of the patent. However, the applicable authorities, including the FDA and the USPTO in the United States, and any equivalent regulatory authority in other countries, may not agree with our assessment of whether such extensions are available for our patents, may refuse to grant extensions to our patents, or may grant more limited extensions than we request. We may not be granted an extension because of, for example, failing to exercise due diligence during the testing phase or regulatory review process, failing to apply within applicable deadlines, failing to apply prior to expiration of relevant patents, or otherwise failing to satisfy applicable requirements. If we are unable to obtain patent term extension or the term of any such extension is less than we request, our competitors and other third parties may be able to obtain approval of competing products following our patent expiration and take advantage of our investment in development and clinical trials by referencing our clinical and preclinical data and launch their product earlier than might otherwise be the case. Any of the foregoing would have a material adverse effect on our business, financial condition, results of operations and prospects.

Obtaining and maintaining our patent protection depends on compliance with various procedural, documentary, fee payment and other requirements imposed by governmental patent offices, and our patent protection could be reduced or eliminated for noncompliance with these requirements.

Periodic maintenance fees, renewal fees, annuity fees and various other government fees on any issued patent are due to be paid to the USPTO and patent offices in foreign countries in several stages over the lifetime of the patent. The USPTO and patent offices in foreign countries require compliance with a number of procedural, documentary, fee payment and other requirements during the patent application process. In the future, we may rely on licensing partners to pay these fees due to U.S. and non-U.S. patent agencies and to comply with these other requirements with respect to any future licensed patents and patent applications. While an inadvertent lapse can be cured by payment of a late fee or by other means in

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accordance with the applicable rules, there are situations in which noncompliance can result in abandonment or lapse of the patent or patent application, resulting in partial or complete loss of a patent or patent rights in the relevant jurisdiction. Non-compliance events that could result in abandonment or lapse of a patent or patent application include, but are not limited to, failure to respond to official actions within prescribed time limits, non-payment of fees and failure to properly legalize and submit formal documents. In such an event, our competitors and other third parties might be able to enter the market with similar or identical products of technology, which would have a material adverse effect on our business, financial condition, results of operations and prospects.

If we are unable to protect the confidentiality of our trade secrets, the value of our technology could be materially adversely affected and our business would be harmed.

We rely on proprietary know-how and trade secret protection and confidentiality agreements to protect proprietary know-how or trade secrets that are not patentable or that we elect not to patent. We seek to protect our trade secrets and proprietary know-how in part by entering into non-disclosure and confidentiality agreements with parties who have access to such knowledge, such as our employees, consultants, independent contractors, advisors, CMOs, CROs, hospitals, independent treatment centers, suppliers, collaborators and other third parties. We also enter into confidentiality and invention or patent assignment agreements with employees and certain consultants. However, we cannot guarantee that we have entered into such agreements with each party that may have or have had access to our trade secrets or proprietary know-how. Additionally, our confidentiality agreements and other contractual protections may not be adequate to protect our intellectual property from unauthorized disclosure, third-party infringement or misappropriation. Any party with whom we have executed such an agreement may breach that agreement and disclose our proprietary information, including our trade secrets, and we may not be able to obtain adequate remedies for such breaches. Enforcing a claim that a party illegally disclosed or misappropriated a trade secret is difficult, expensive and time-consuming, and the outcome is unpredictable. In addition, some courts in the United States and certain foreign jurisdictions are less willing or unwilling to protect trade secrets. If any of our trade secrets were to be lawfully obtained or independently developed by a competitor or other third party, we would have no right to prevent such third party, or those to whom they communicate such technology or information, from using that technology or information to compete with us. If any of our trade secrets were to be disclosed to or independently developed by a competitor or other third party, our business, financial condition, results of operations and prospects our business and competitive position could be materially harmed.

Intellectual property rights do not necessarily address all potential threats.

The degree of future protection afforded by our intellectual property rights is uncertain because intellectual property rights have limitations and may not adequately protect our business or permit us to maintain our competitive advantage. For example:

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others may be able to make products similar to any product candidates we may develop or utilize similarly related technologies that are not covered by the claims of the patents that we may license or may own in the future;

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we, or any future license partners or current or future collaborators, might not have been the first to make the inventions covered by the issued patent or pending patent application that we license or may own in the future;

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we, or any future license partners or current or future collaborators, might not have been the first to file patent applications covering certain of our or their inventions;

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others may independently develop similar or alternative technologies or duplicate any of our technologies without infringing, misappropriating or otherwise violating any of our owned or licensed intellectual property rights;

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it is possible that our pending patent applications or those that we may own in the future will not lead to issued patents;

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issued patents that we hold rights to may be held invalid or unenforceable, including as a result of legal challenges by our competitors or other third parties;

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our competitors or other third parties might conduct research and development activities in countries where we do not have patent rights and then use the information learned from such activities to develop competitive products for sale in our major commercial markets;

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we may not develop additional proprietary technologies that are patentable;

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the patents of others may harm our business; and

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we may choose not to file a patent in order to maintain certain trade secrets or know how, and a third party may subsequently file a patent covering such intellectual property.

Should any of these events occur, they could have a material adverse effect on our business, financial condition, results of operations and prospects.

Risks related to our common stock

The market price of our common stock is likely to be highly volatile, which could result in substantial losses for purchasers of our common stock.

The market price of our common stock is likely to continue to be highly volatile and subject to wide fluctuations in response to various factors, some of which we cannot control. As a result of this volatility, investors may not be able to sell their common stock at or above the price initially paid for the stock. The market price for our common stock may be influenced by many factors, including the other risks described in this section of this Quarterly Report and the following:

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enrollment or results of clinical trials of seribantumab, EO-3021 or our future product candidates, or those of our competitors or our future collaborators, or changes in the development status of our product candidates;

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regulatory or legal developments in the United States and other countries, especially changes in laws or regulations applicable to seribantumab or any future product candidate;

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the success of competitive products or technologies;

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introductions and announcements of new products by us, our future commercialization partners, or our competitors, and the timing of these introductions or announcements;

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actions taken by regulatory agencies with respect to our products, clinical studies, manufacturing process or sales and marketing terms;

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actual or anticipated variations in our financial results or those of companies that are perceived to be similar to us;

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the success of our efforts to acquire or in-license additional technologies, products or product candidates;

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developments concerning any future collaborations, including but not limited to those with development and commercialization partners;

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market conditions in the biologics and biotechnology sectors;

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announcements by us or our competitors of significant acquisitions, strategic collaborations, joint ventures or capital commitments;

●

developments or disputes concerning patents or other proprietary rights, including patents, litigation matters and our ability to obtain patent protection for seribantumab or any future product candidates;

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●

our ability or inability to raise additional capital and the terms on which we raise it;

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the recruitment or departure of key personnel;

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changes in the structure of healthcare payment systems;

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actual or anticipated changes in earnings estimates or changes in stock market analyst recommendations regarding our common stock, other comparable companies or our industry generally;

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our failure or the failure of our competitors to meet analysts’ projections or guidance that we or our competitors may give to the market;

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fluctuations in the valuation of companies perceived by investors to be comparable to us;

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announcement and expectation of additional financing efforts;

●

speculation in the press or investment community;

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share price and fluctuations of trading volume of our common stock;

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sales of our common stock by us, insiders or our stockholders;

●

the concentrated ownership of our common stock;

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changes in accounting principles;

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terrorist acts, acts of war or periods of widespread civil unrest, including the ongoing armed conflict in Ukraine;

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natural disasters and other calamities; and

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general economic, industry and market conditions and capital market disruptions, including as a result of rising interest rates, inflation and geopolitical instability.

In addition, the stock market in general, and the markets for pharmaceutical, biopharmaceutical and biotechnology stocks in particular, have experienced extreme price and volume fluctuations that have been often unrelated or disproportionate to the operating performance of the issuer. These broad market and industry factors may seriously harm the market price of our common stock, regardless of our actual operating performance. The realization of any of the above risks or any of a broad range of other risks, including those described in this “Risk Factors” section, could have a dramatic and adverse impact on the market price of our common stock.

In the past, securities class action litigation has often been brought against public companies following declines in the market price of their securities. This risk is especially relevant for biopharmaceutical companies, which have experienced significant stock price volatility in recent years. If we face such litigation, it could result in substantial costs and a diversion of management’s attention and our resources, which could harm our business.

A sale of a substantial number of shares of our common stock may cause the price of our common stock to decline.

Sales of a substantial number of shares of our common stock in the public market could occur at any time. If our stockholders sell, or the market perceives that our stockholders intend to sell, substantial amounts of our common stock in the public market, the market price of our common stock could decline significantly. The holders of a significant portion of our outstanding common stock have rights, subject to some conditions, to require us to file registration statements covering their shares or to include their shares in registration statements that we may file for ourselves or our stockholders.

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We cannot predict what effect, if any, sales of our shares in the public market or the availability of shares for sale will have on the market price of our common stock. However, future sales of substantial amounts of our common stock in the public market, including shares issued upon exercise of our outstanding options, or the perception that such sales may occur, could adversely affect the market price of our common stock, even if our business is doing well.

We also expect that significant additional capital may be needed in the future to continue our planned operations. To raise capital, we may sell common stock, convertible securities or other equity securities in one or more transactions at prices and in a manner we determine from time to time. To the extent that additional capital is raised through the sale and issuance of shares or other securities convertible into shares, our stockholders will be diluted. These sales, or the perception in the market that the holders of a large number of shares intend to sell shares, could reduce the market price of our common stock.

Our principal stockholders and management own a significant percentage of our stock and will be able to exert significant control over matters subject to stockholder approval.

Based on the beneficial ownership of our common stock as of ~~June~~September 30, 2022, our executive officers, directors, holders of 5% or more of our capital stock and their respective affiliates beneficially hold the majority of our outstanding voting stock. As a result, these stockholders, if acting together, have significant control over the outcome of corporate actions requiring stockholder approval, including the election of directors, amendment of our organizational documents, any merger, consolidation or sale of all or substantially all of our assets and any other significant corporate transaction. The interests of these stockholders may not be the same as or may even conflict with your interests. For example, these stockholders could delay or prevent a change of control of our company, even if such a change of control would benefit our other stockholders, which could deprive our stockholders of an opportunity to receive a premium for their common stock as part of a sale of our company or our assets and might affect the prevailing market price of our common stock.

We are an “emerging growth company” and a “smaller reporting company” and we cannot be certain if the reduced reporting requirements applicable to “emerging growth companies” or “smaller reporting companies” will make our common stock less attractive to investors.

We are an “emerging growth company,” as defined in the Jumpstart Our Business Startups Act of 2012, or the JOBS Act. For as long as we continue to be an “emerging growth company,” we may take advantage of exemptions from various reporting requirements that are applicable to other public companies that are not emerging growth companies, including (i) not being required to comply with the auditor attestation requirements of Section 404 of the Sarbanes-Oxley Act of 2002, as amended, or the Sarbanes-Oxley Act, (ii) reduced disclosure obligations regarding executive compensation in our periodic reports and proxy statements and (iii) exemptions from the requirements of holding nonbinding advisory stockholder votes on executive compensation and stockholder approval of any golden parachute payments not approved previously. In addition, as an “emerging growth company,” we are only required to provide two years of audited financial statements.

We could be an “emerging growth company” until December 31, 2026, although circumstances could cause us to lose that status earlier, including if we are deemed to be a “large accelerated filer,” which occurs when the market value of our common stock that is held by non-affiliates equals or exceeds $700.0 million as of the prior June 30, or if we have total annual gross revenue of ~~$1.07~~$1.235 billion or more during any fiscal year before that time, in which cases we would no longer be an “emerging growth company” as of the following December 31, or if we issue more than $1.0 billion in non-convertible debt during any three-year period before that time, in which case we would no longer be an “emerging growth company” immediately. Even after we no longer qualify as an “emerging growth company,” we may still qualify as a “smaller reporting company,” which would allow us to take advantage of many of the same exemptions from disclosure requirements, including not being required to comply with the auditor attestation requirements of Section 404 of the Sarbanes-Oxley Act, if our revenues remain less than $100.0 million, and reduced disclosure obligations regarding executive compensation in our periodic reports and proxy statements. We cannot predict if investors will find our common stock less attractive because we may rely on these exemptions. If some investors find our common stock less attractive as a result, there may be a less active trading market for our common stock and our share price may be more volatile.

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Under the JOBS Act, “emerging growth companies” can also delay adopting new or revised accounting standards until such time as those standards apply to private companies. We have elected to take advantage of the benefits of this extended transition period. Our financial statements may therefore not be comparable to those of companies that comply with such new or revised accounting standards. Until the date that we are no longer an “emerging growth company” or affirmatively and irrevocably opt out of the exemption provided by Section 7(a)(2)(B) of the Securities Act, upon issuance of a new or revised accounting standard that applies to our financial statements and that has a different effective date for public and private companies, we will disclose the date on which adoption is required for non-emerging growth companies and the date on which we will adopt the recently issued accounting standard.

Anti-takeover provisions in our restated certificate of incorporation and bylaws and under Delaware law could prevent or delay an acquisition of us, which may be beneficial to our stockholders, and may prevent attempts by our stockholders to replace or remove our current management and, therefore, decrease the trading price of our common stock.

Our restated certificate of incorporation and our amended and restated bylaws contain provisions that could delay or prevent a change in control of our company. These provisions could also make it difficult for stockholders to elect directors who are not nominated by current members of our board of directors or take other corporate actions, including effecting changes in our management. These provisions:

●

establish a classified board of directors so that not all members of our board are elected at one time;

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permit only the board of directors to establish the number of directors and fill vacancies on the board;

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provide that directors may only be removed “for cause” and only with the approval of two-thirds of our stockholders;

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require super-majority voting to amend some provisions in our amended and restated certificate of incorporation and amended and restated bylaws;

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authorize the issuance of “blank check” preferred stock that our board could use to implement a stockholder rights plan;

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eliminate the ability of our stockholders to call special meetings of stockholders;

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prohibit stockholder action by written consent, which requires all stockholder actions to be taken at a meeting of our stockholders;

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prohibit cumulative voting; and

●

establish advance notice requirements for nominations for election to our board or for proposing matters that can be acted upon by stockholders at annual stockholder meetings.

In addition, Section 203 of the Delaware General Corporation Law, or DGCL, may discourage, delay or prevent a change in control of our company. Section 203 imposes certain restrictions on mergers, business combinations and other transactions between us and holders of 15% or more of our common stock.

Any provision of our restated certificate of incorporation, amended and restated bylaws or Delaware law that has the effect of delaying or preventing a change in control could limit the opportunity for our stockholders to receive a premium for their shares of our capital stock and could also affect the price that some investors are willing to pay for our common stock.

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The exclusive forum provision in our organizational documents may limit a stockholder’s ability to bring a claim in a judicial forum that it finds favorable for disputes with us or any of our directors, officers, or other employees, which may discourage lawsuits with respect to such claims.

Our restated certificate of incorporation, to the fullest extent permitted by law, provides that the Court of Chancery of the State of Delaware is the exclusive forum for: any derivative action or proceeding brought on our behalf; any action asserting a breach of fiduciary duty; any action asserting a claim against us arising pursuant to the DGCL, our restated certificate of incorporation, or our amended and restated bylaws; or any action asserting a claim against us that is governed by the internal affairs doctrine. This exclusive forum provision does not apply to suits brought to enforce a duty or liability created by the Exchange Act. It could apply, however, to a suit that falls within one or more of the categories enumerated in the exclusive forum provision.

This choice of forum provision may result in increased costs for investors to bring a claim. Further, this choice of forum provision may limit a stockholder’s ability to bring a claim in a judicial forum that it finds favorable for disputes with us or any of our directors, officers, or other employees, which may discourage lawsuits with respect to such claims. Alternatively, if a court were to find the choice of forum provisions contained in our restated certificate of incorporation to be inapplicable or unenforceable in an action, we may incur additional costs associated with resolving such action in other jurisdictions, which could harm our business, results of operations and financial condition.

Section 22 of the Securities Act creates concurrent jurisdiction for federal and state courts over all claims brought to enforce any duty or liability created by the Securities Act or the rules and regulations thereunder. Our amended and restated bylaws provide that the federal district courts of the United States of America, to the fullest extent permitted by law, shall be the exclusive forum for resolving any complaint asserting a cause of action arising under the Securities Act, or a Federal Forum Provision. Our decision to adopt a Federal Forum Provision followed a decision by the Supreme Court of the State of Delaware holding that such provisions are facially valid under Delaware law. While there can be no assurance that federal or state courts will follow the holding of the Delaware Supreme Court or determine that the Federal Forum Provision should be enforced in a particular case, application of the Federal Forum Provision means that suits brought by our stockholders to enforce any duty or liability created by the Securities Act must be brought in federal court and cannot be brought in state court.

Section 27 of the Exchange Act creates exclusive federal jurisdiction over all claims brought to enforce any duty or liability created by the Exchange Act or the rules and regulations thereunder. In addition, neither the exclusive forum provision nor the Federal Forum Provision applies to suits brought to enforce any duty or liability created by the Exchange Act. Accordingly, actions by our stockholders to enforce any duty or liability created by the Exchange Act or the rules and regulations thereunder must be brought in federal court.

Our stockholders will not be deemed to have waived our compliance with the federal securities laws and the regulations promulgated thereunder.

Any person or entity purchasing or otherwise acquiring or holding any interest in any of our securities shall be deemed to have notice of and consented to our exclusive forum provisions, including the Federal Forum Provision. These provisions may limit a stockholder’s ability to bring a claim in a judicial forum of their choosing for disputes with us or our directors, officers, or other employees, which may discourage lawsuits against us and our directors, officers, and other employees. If a court were to find either exclusive-forum provision in our amended and restated certificate of incorporation to be inapplicable or unenforceable in an action, we may incur further significant additional costs associated with resolving the dispute in other jurisdictions, all of which could harm our business.

We will incur increased costs as a result of operating as a public company, and our management will be required to devote substantial time to new compliance initiatives and corporate governance practices.

As a public company, we incur significant legal, accounting, compliance and other expenses that we did not incur as a private company. The Sarbanes-Oxley Act, the Dodd-Frank Wall Street Reform and Consumer Protection Act, the listing requirements of the Nasdaq Global Select Market and other applicable securities rules and regulations impose various requirements on public companies, including establishment and maintenance of effective disclosure and financial controls

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and corporate governance practices. Our management and other personnel need to devote a substantial amount of time to these compliance initiatives. Moreover, we expect these rules and regulations to substantially increase our legal and financial compliance costs and to make some activities more time consuming and costly. For example, these rules and regulations have made it more expensive for us to obtain director and officer liability insurance and we may be required to incur substantial costs to maintain sufficient coverage. We cannot predict or estimate the amount or timing of additional costs we may incur to respond to these requirements. The impact of these requirements could also make it more difficult for us to attract and retain qualified persons to serve on our board of directors, our board committees or as executive officers. The increased costs may require us to reduce costs in other areas of our business or increase the prices of our products once commercialized. Moreover, these rules and regulations are often subject to varying interpretations, in many cases due to their lack of specificity, and, as a result, their application in practice may evolve over time as new guidance is provided by regulatory and governing bodies.

This could result in continuing uncertainty regarding compliance matters and higher costs necessitated by ongoing revisions to disclosure and governance practices.

We are not currently required to comply with the SEC’s rules that implement Section 404 of the Sarbanes-Oxley Act, and are therefore not required to make a formal assessment of the effectiveness of our internal control over financial reporting for that purpose. Pursuant to Section 404, we will be required to furnish a report by our management on our internal control over financial reporting beginning with our second annual report on Form 10-K. However, while we remain an “emerging growth company,” we will not be required to include an attestation report on internal control over financial reporting issued by our independent registered public accounting firm. In addition, for as long as we are a smaller reporting company with less than $100 million in annual revenue, we would be exempt from the requirement to obtain an external audit on the effectiveness of internal control over financial reporting provided in Section 404(b) of the Sarbanes-Oxley Act. To achieve compliance with Section 404 within the prescribed period, we will be engaged in a process to document and evaluate our internal control over financial reporting, which is both costly and challenging. In this regard, we will need to continue to dedicate internal resources, potentially engage outside consultants and adopt a detailed work plan to assess and document the adequacy of internal control over financial reporting, continue steps to improve control processes as appropriate, validate through testing that controls are functioning as documented and implement a continuous reporting and improvement process for internal control over financial reporting. This process will be time- consuming, costly and complicated. Despite our efforts, there is a risk that we will not be able to conclude, within the prescribed timeframe or at all, that our internal control over financial reporting is effective as required by Section 404. If we identify one or more material weaknesses, it could result in an adverse reaction in the financial markets due to a loss of confidence in the reliability of our financial statements. In addition, if we are not able to continue to meet these requirements, we may not be able to remain listed on the Nasdaq Global Select Market.

Because we do not anticipate paying any cash dividends on our capital stock in the foreseeable future, capital appreciation, if any, will be your sole source of gain.

We have never declared or paid cash dividends on our capital stock. We currently intend to retain all of our future earnings, if any, to finance the growth and development, operation and expansion of our business and do not anticipate declaring or paying any cash dividends for the foreseeable future. As a result, capital appreciation, if any, of our common stock will be your sole source of gain for the foreseeable future.

General risk factors

If securities or industry analysts do not publish research or reports about our business, or if they issue an adverse or misleading opinion regarding our stock, our stock price and trading volume could decline.

The trading market for our common stock will be influenced by the research and reports that industry or securities analysts publish about us or our business. If no or few securities or industry analysts commence or maintain coverage of us, the trading price for our common stock could be impacted negatively. In the event we obtain securities or industry analyst coverage, if any of the analysts who cover us issue an adverse or misleading opinion regarding us, our business model, our intellectual property or our stock performance, or if our preclinical studies and clinical trials and operating results fail to meet the expectations of analysts, our stock price would likely decline. If one or more of such analysts cease coverage of

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~~cease coverage of~~ us or fail to publish reports on us regularly, we could lose visibility in the financial markets, which in turn could cause a decline in our stock price or trading volume.

Our disclosure controls and procedures may not prevent or detect all errors or acts of fraud.

We are subject to the periodic reporting requirements of the Exchange Act. We have designed our disclosure controls and procedures to reasonably assure that information we must disclose in reports we file or submit under the Exchange Act is accumulated and communicated to management, and recorded, processed, summarized and reported within the time periods specified in the rules and forms of the SEC. However, any disclosure controls and procedures or internal controls and procedures, no matter how well-conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the control system will be met.

These inherent limitations include the realities that judgments in decision-making can be faulty, and that breakdowns can occur because of simple error or mistake. For example, our directors or executive officers could inadvertently fail to disclose a new relationship or arrangement causing us to fail to make required related party transaction disclosures. Additionally, controls can be circumvented by the individual acts of some persons, by collusion of two or more people or by an unauthorized override of the controls. Accordingly, because of the inherent limitations in a control system, misstatements due to error or fraud may occur and not be detected. In addition, we do not have a risk management program or processes or procedures for identifying and addressing risks to our business in other areas.

Failure to establish and maintain an effective system of internal controls could result in material misstatements of our financial statements or cause us to fail to meet our reporting obligations or fail to prevent fraud in which case, our stockholders could lose confidence in our financial reporting and the market price of our common stock could decline.

We are subject to the reporting requirements of the Exchange Act, the Sarbanes-Oxley Act and the rules and regulations of the Nasdaq Global Select Market. Under Section 404 of the Sarbanes-Oxley Act, we will be required to furnish a report by our management on our internal control over financial reporting beginning with our second annual report on Form 10-K. This assessment will need to include disclosure of any material weaknesses identified by our management in our internal control over financial reporting. However, our independent registered public accounting firm will not be required to attest to the effectiveness of our internal control over financial reporting until our first annual report required to be filed with the SEC following the date we are no longer an EGC. At such time as we are required to obtain auditor attestation, if we then have a material weakness, we would receive an adverse opinion regarding our internal control over financial reporting from our independent registered accounting firm. To achieve compliance with Section 404 within the prescribed period, we will be engaged in a process to document and evaluate our internal control over financial reporting, which is both costly and challenging. In this regard, we will need to continue to dedicate internal resources, including through hiring additional financial and accounting personnel, potentially engage outside consultants and adopt a detailed work plan to assess and document the adequacy of internal control over financial reporting, continue steps to improve control processes as appropriate, validate through testing that controls are functioning as documented, and implement a continuous reporting and improvement process for internal control over financial reporting. During our evaluation of our internal control, if we identify one or more material weaknesses in our internal control over financial reporting, we will be unable to assert that our internal control over financial reporting is effective.

In addition, our internal control over financial reporting will not prevent or detect all errors and all fraud. A control system, no matter how well designed and operated, can provide only reasonable, not absolute, assurance that the control system’s objectives will be met. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that misstatements due to error or fraud will not occur or that all control issues and instances of fraud will be detected.

Furthermore, in connection with the future attestation process by our independent registered public accounting firm, we may encounter problems or delays in completing the implementation of any requested improvements and receiving a favorable attestation. If we cannot favorably assess the effectiveness of our internal control over financial reporting, or if our independent registered public accounting firm is unable to provide an unqualified attestation report on our internal controls, our stockholders could lose confidence in our reporting and the market price of our common stock could decline.

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~~decline.~~ In addition, we could be subject to sanctions or investigations by the Nasdaq Global Select Market, the SEC or other regulatory authorities.

We may be subject to securities litigation, which is expensive and could divert management attention.

The market price of our common stock may be volatile. The stock market in general, and pharmaceutical and biologics companies in particular, have experienced extreme price and volume fluctuations that have often been unrelated or disproportionate to the operating performance of these companies. In the past, companies that have experienced volatility in the market price of their stock have been subject to securities class action litigation. We may be the target of this type of litigation in the future. Securities litigation against us could result in substantial costs and divert our management’s attention from other business concerns, which could seriously harm our business.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

(a)

Unregistered Sales of Equity Securities

None.

(b) Use of Proceeds from Public Offering of Common Stock

On June 29, 2021, the Company closed its initial public offering, and issued 6,250,000 shares of its common stock at a price of $16.00 per share for net proceeds of $91.1 million, after deducting underwriting discounts, commissions, and other expenses of $8.9 million. On July 19, 2021, in connection with the Company’s IPO, the underwriters exercised the right to purchase 403,407 shares of the Company’s common stock at a price of $16.00 per share for net proceeds of $6.0 million, after deduction underwriting discounts of $0.5 million.

There has been no material change in the planned use of proceeds from our IPO as described in the registration statement on Form S-1.

Item 3. Defaults Upon Senior Securities

None.

Item 4. Mine Safety Disclosures

None.

Item 5. Other Information

None.

Item 6. Exhibits

See Exhibit Index.

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EXHIBIT INDEX



		Incorporated by Reference
Exhibit No.	Description	Form	File No.	Exhibit	Filing Date	Filed herewith


4.1†	Warrant to Purchase Common Stock, issued July 27, 2022 to K2 HealthVentures Equity Trust LLC.					X

10.1†	Loan and Security Agreement, dated July 27, 2022, by and among the Company, the lenders, K2 HealthVentures LLC, as administrative agent, and Ankura Trust Company, LLC, as collateral agent.					X

10.2†	License Agreement, dated July 27, 2022, by and between the Company and CSPC Megalith Biopharmaceutical Co., Ltd.					X

31.1	Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.					X

31.2	Certification of Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002					X

32*	Certification of Principal Executive Officer and Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002					X

101.INS	XBRL Instance Document – the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document					X

101.SCH	XBRL Taxonomy Extension Schema Document					X

101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document					X

101.DEF	XBRL Taxonomy Extension Definition Linkbase Document					X

101.LAB	XBRL Taxonomy Extension Label Linkbase Document					X

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101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document	X

104	Cover Page Interactive Data File (formatted in Inline XBRL and contained in Exhibit 101)	X

*	This certification is deemed not filed for purposes of section 18 of the Exchange Act or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference into any filing under the Securities Act or the ExchangeAct.

†

The Registrant has omitted schedules and exhibits pursuant to Item 601(b)(2) of Regulation S-K and/or has omitted certain portions of this exhibit as permitted under Item 601(b)(10) of Regulation S-K. The Registrant agrees to furnish supplementally a copy of the omitted information to the SEC upon request.

* This certification is deemed not filed for purposes of section 18 of the Exchange Act or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference into any filing under the Securities Act or the Exchange~~Act~~

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, duly authorized.

Date: ~~August 4,~~November 3, 2022

		ELEVATION ONCOLOGY, INC.

		By:	/s/ Shawn M Leland
		Name:	Shawn M Leland
		Title:	President, Chief Executive Officer
			(Principal Executive Officer)

		By:	/s/ Joseph J. Ferra, Jr.
		Name:	Joseph J. Ferra, Jr.
		Title:	Chief Financial Officer
			(Principal Financial and Accounting Officer)

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