(Former name, former address and former fiscal year, if changed since last report)

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 ~~and posted on its corporate Web site, if any,~~ every Interactive Data File required to be submitted ~~and posted~~ 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 ~~and post~~ 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.

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 by Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

As of November ~~9, 2017,~~10, 2022, there were ~~30,258,743~~17,058,770 shares of the Registrant’s common stock outstanding.

This Quarterly Report on Form 10-Q, or Quarterly Report, contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. All statements included or incorporated by reference in this Quarterly Report other than statements of historical fact, are forward-looking statements. You can identify these and other forward-looking statements by the use of words such as “may,” “will,” “could,” “anticipate,” “expect,” “intend,” “believe,” ~~“continue”~~“continue,” “plan,” “estimate,” “potentially,” “predict,” “should” or the negative of such terms, or other comparable terminology. Forward-looking statements also include the assumptions underlying or relating to such statements.

Forward-looking statements may include, but are not limited to, statements about:

Our actual results could differ materially from those anticipated in these forward-looking statements as a result of various factors, including those set forth in ~~our other filings with~~this report under the ~~Securities~~“Management’s Discussion and ~~Exchange Commission, or~~Analysis” and “Risk Factors” headings, which include but are not limited to the ~~SEC.~~ following factors:

Moreover, we operate in an evolving environment. New risk factors and uncertainties emerge from time to time, and it is not possible for us to predict all risk factors and uncertainties, 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. Readers are cautioned not to place undue reliance on forward-looking statements. The forward-looking statements speak only as of the date on which they are made, and we undertake no obligation to update such statements to reflect events that occur or circumstances that exist after the date on which they are made except as required by law. Readers should, however, review the factors and risks we describe in the reports ~~and registration statements~~ we file from time to time with the SEC. In addition, statements that “we believe” and similar statements reflect our beliefs and opinions on the relevant subject. These statements are based upon information available to us as of the date the statement is made, and while we believe such information forms a reasonable basis for such statements, such information may be limited or incomplete, and our statements should not be read to indicate that we have conducted an exhaustive inquiry into, or review of, all potentially available relevant information. These statements are inherently uncertain, and you are cautioned not to unduly rely upon these statements.

Biocept, Inc.							Biocept, Inc.
Condensed Balance Sheets							Condensed Balance Sheets
(In thousands, except share and per share data)							(In thousands, except share and per share data)
	December 31,			September 30,
	2016			2017				December 31,			June 30,
				(unaudited)				2021			2022
Assets											(unaudited)
Current assets:
Cash	$	4,609,332		$	5,879,025			$	28,864		$	22,928
Accounts receivable, net		128,969			1,133,372
Accounts receivable									13,786			17,376
Inventories, net		549,045			775,106				2,651			2,249
Prepaid expenses and other current assets		484,649			412,916				391			1,225
Total current assets		5,771,995			8,200,419				45,692			43,778
Fixed assets, net		1,806,331			2,919,796				2,401			2,699
Lease right-of-use assets - operating									9,026			8,758
Lease right-of-use assets - finance									2,842			2,411
Other non-current assets									456			496
Total assets	$	7,578,326		$	11,120,215			$	60,417		$	58,142

Liabilities and Stockholders' Equity
Current liabilities:
Accounts payable	$	960,486		$	1,593,048			$	7,246		$	4,830
Accrued liabilities		1,160,036			2,174,385				3,018			2,737
Supplier financings		75,691			121,043
Current portion of equipment financings		262,674			304,585
Current portion of credit facility, net		1,934,665			1,645,136
Current portion of lease liabilities - operating									426			469
Current portion of lease liabilities - finance									1,083			1,053
Supplier financing									-			524
Total current liabilities		4,393,552			5,838,197				11,773			9,613
Non-current portion of equipment financings		778,643			950,123
Non-current portion of credit facility, net		1,123,001			—
Non-current portion of interest payable		227,177			—
Non-current portion of deferred rent		397,292			305,816
Non-current portion of lease liabilities - operating									9,736			9,462
Non-current portion of lease liabilities - finance									1,428			957
Payor liability									-			5,654
Total liabilities		6,919,665			7,094,136				22,937			25,686
Commitments and contingencies (see Note 11)
Commitments and contingencies (see Note 10)
Shareholders’ equity:
Preferred stock, $0.0001 par value, 5,000,000 authorized; no shares issued and outstanding at December 31, 2016 and September 30, 2017.		—			—
Common stock, $0.0001 par value, 150,000,000 authorized; 17,499,397 issued and outstanding at December 31, 2016; 30,258,743 issued and outstanding at September 30, 2017.		1,750			3,026
Preferred stock, $0.0001 par value, 5,000,000 shares authorized; 2,106 shares issued and outstanding at December 31, 2021 and June 30, 2022, respectively.									—			—
Common stock, $0.0001 par value, 150,000,000 shares authorized; 16,849,805 shares and 16,922,868 shares issued and outstanding at December 31, 2021 and June 30, 2022, respectively.									2			2
Additional paid-in capital		174,292,781			193,606,087				303,829			306,825
Accumulated deficit		(173,635,870	)		(189,583,034	)			(266,351	)		(274,371	)
Total shareholders’ equity		658,661			4,026,079				37,480			32,456
Total liabilities and shareholders’ equity	$	7,578,326		$	11,120,215			$	60,417		$	58,142

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

For the three months ended September 30,

For the nine months ended September 30,

2016

2017

2016

2017

Net revenues
$
1,047,280

$
1,111,411

$
1,931,509

$
4,073,437

Costs and expenses:

Cost of revenues

1,876,288

2,487,054

5,020,649

6,985,213

Research and development expenses

600,613

856,698

2,044,968

2,455,947

General and administrative expenses

1,918,543

1,834,771

4,923,431

5,539,432

Sales and marketing expenses

1,278,455

1,675,852

3,875,063

4,701,030

Total costs and expenses

5,673,899

6,854,375

15,864,111

19,681,622

Loss from operations

(4,626,619
)

(5,742,964
)

(13,932,602
)

(15,608,185
)
Other income/ (expense):

Interest expense

(154,869
)

(88,269
)

(393,029
)

(385,172
)
Other income

38,412

12,804

115,236

51,216

Total other income/ (expense):

(116,457
)

(75,465
)

(277,793
)

(333,956
)
Loss before income taxes

(4,743,076
)

(5,818,429
)

(14,210,395
)

(15,942,141
)
Income tax expense

—

(2,877
)

(2,053
)

(5,023
)
Net loss and comprehensive loss
$
(4,743,076
)

$
(5,821,306
)

$
(14,212,448
)

$
(15,947,164
)
Weighted-average shares outstanding used in computing net loss per share attributable to common shareholders:

Basic

8,370,691

29,605,953

7,549,663

25,816,181

Diluted

8,370,691

29,605,953

7,549,663

25,816,181

Net loss per common share:

Basic
$
(0.57
)

$
(0.20
)

$
(1.88
)

$
(0.62
)
Diluted
$
(0.57
)

$
(0.20
)

$
(1.88
)

$
(0.62
)

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

For the nine months ended September 30,

2016

2017

Cash Flows from Operating Activities

Net loss
$
(14,212,448
)

$
(15,947,164
)
Adjustments to reconcile net loss to net cash used in operating activities:

Depreciation and amortization

246,864

394,708

Inventory reserve

(40,708
)

(22,431
)
Stock-based compensation

1,164,979

1,232,149

Non-cash interest expense related to credit facility and other financing activities

60,951

23,983

Increase/ (decrease) in cash resulting from changes in:

Accounts receivable, net

(51,464
)

(1,004,403
)
Inventory

(107,538
)

(203,630
)
Prepaid expenses and other current assets

501,532

431,355

Accounts payable

991,846

508,176

Accrued liabilities

152,860

671,407

Accrued interest

58,684

71,417

Deferred rent

(22,839
)

(52,143
)
Net cash used in operating activities

(11,257,281
)

(13,896,576
)
Cash Flows from Investing Activities:

Purchases of fixed assets

(391,196
)

(1,055,549
)
Net cash used in investing activities

(391,196
)

(1,055,549
)
Cash Flows from Financing Activities:

Net proceeds from issuance of common stock and warrants

4,798,576

10,583,898

Proceeds from exercise of common stock warrants

—

7,498,535

Payments on equipment financings

(86,336
)

(109,811
)
Payments on supplier and other third-party financings

(427,934
)

(314,270
)
Payments on credit facility

(778,303
)

(1,436,534
)
Net cash provided by financing activities

3,506,003

16,221,818

Net increase/ (decrease) in Cash

(8,142,474
)

1,269,693

Cash at Beginning of Period

8,821,329

4,609,332

Cash at End of Period
$
678,855

$
5,879,025

Supplemental Disclosures of Cash Flow Information:

Cash paid during the period for:

Interest
$
282,142

$
285,260

Income taxes
$
2,053

$
5,023

Biocept, Inc.
Condensed Statements of Operations
(In thousands, except shares and per share data)
(Unaudited)

	For the Three Months Ended June 30,						For the Six Months Ended June 30,
	2021			2022			2021			2022
Net revenues	$	12,047		$	10,611		$	29,803		$	30,555
Costs and expenses:
Cost of revenues		7,462			8,023			16,468			18,358
Research and development expenses		1,137			1,729			2,179			3,579
General and administrative expenses		3,251			4,300			6,371			11,106
Sales and marketing expenses		1,945			1,656			3,868			5,316
Total costs and expenses		13,795			15,708			28,886			38,359
(Loss) income from operations		(1,748	)		(5,097	)		917			(7,804	)
Other (expense):
Interest expense		(80	)		(155	)		(145	)		(217	)
Total other (expense):		(80	)		(155	)		(145	)		(217	)
(Loss) income before income taxes		(1,828	)		(5,252	)		772			(8,021	)
Income tax expense		—			—			—			—
Net (loss) income and comprehensive (loss) income		(1,828	)		(5,252	)		772			(8,021	)
Net (loss) income attributable to common shareholders	$	(1,828	)	$	(5,252	)	$	772		$	(8,021	)
Weighted-average shares outstanding used in computing net (loss) income per share attributable to common shareholders:
Basic		13,462,329			16,906,314			13,431,340			16,876,841
Diluted		13,462,329			16,906,314			13,646,789			16,876,841
Net (loss) income per common share:
Basic	$	(0.14	)	$	(0.31	)	$	0.06		$	(0.48	)
Diluted	$	(0.14	)	$	(0.31	)	$	0.06		$	(0.48	)

~~During the nine months ended September 30, 2016 and 2017, Biocept, Inc., or the Company, financed insurance premiums of $434,475 and $359,622, respectively, through third-party financings.~~

Fixed assets purchased totaling $755,458 and $362,729 during the nine months ended September 30, 2016 and 2017, respectively, were recorded as equipment financing obligations and were excluded from cash purchases in the Company’s unaudited condensed statements of cash flows. During the nine months ended September 30, 2016, fixed assets with an aggregate net book value of $270,377, which had previously been recorded as equipment financings with remaining outstanding balances owed totaling $239,994, were effectively disposed of and replaced with upgraded equipment recorded as equipment financings. During the nine months ended September 30, 2017, fixed assets with an aggregate net book value of $34,491 were exchanged with a lender as partial payment on an outstanding equipment financing obligation balance.

The amount of unpaid fixed asset purchases excluded from cash purchases in the Company’s unaudited condensed statements of cash flows decreased from $64,300 at December 31, 2015 to $8,637 at September 30, 2016, and increased from $58,066 at December 31, 2016 to $204,501 at September 30, 2017.

An offering of the Company’s common stock and warrants to purchase its common stock closed on May 4, 2016 (see Note 3). In connection with the closing of this offering, warrants were issued to purchase up to an aggregate of 1,163,526 shares of common stock at an exercise price of $3.90 per share with a term of five years and an estimated grant date fair value of approximately $2.0 million, which was recorded as an offset to additional paid-in capital.

An offering of the Company’s common stock and warrants to purchase its common stock occurred on March 31, 2017 (see Note 3). In the offering, warrants were issued to purchase up to an aggregate of 2,160,000 shares of common stock at an exercise price of $2.50 per share with a term of five years and an estimated grant date fair value of approximately $2.8 million, which was recorded as an offset to additional paid-in capital (see Note 4). Additionally, approximately $728,000 of fees and costs directly associated with the offering were recorded as an offset to additional paid-in capital within common stock issuance costs in accordance with applicable accounting guidance.

An offering of the Company’s common stock and warrants to purchase its common stock occurred on August 9, 2017 (see Note 3). In the offering, warrants were issued to purchase up to an aggregate of 1,434,639 shares of common stock at an exercise price of $1.50 per share with a term of five years and an estimated grant date fair value of approximately $1.5 million, which was recorded as an offset to additional paid-in capital (see Note 4). Additionally, approximately $176,000 of fees and costs directly associated with the offering were recorded as an offset to additional paid-in capital within common stock issuance costs in accordance with applicable accounting guidance.

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

Biocept, Inc.
Condensed Statements of Stockholder's Equity
(In thousands, except for shares)
(Unaudited)
	Common Stock				Series A Convertible Preferred Stock					Additional		Accumulated
	Shares		Amount		Shares			Amount		Paid-in Capital		Deficit			Total
Balance at December 31, 2021		16,849,805	$	2		2,106		$	—	$	303,829	$	(266,351	)	$	37,480
Stock-based compensation expense		—		—		—			—		2,317		—			2,317
Shares issued upon conversion of preferred stock		356		—		(16	)		—		—		—			—
Net loss		—		—		—			—		—		(2,768	)		(2,768	)
Balance at March 31, 2022		16,850,161	$	2		2,090		$	—	$	306,146	$	(269,119	)	$	37,029
Stock-based compensation expense		—		—		—			—		585		—			585
Shares issued for ATM transaction, net of issuance costs		72,707		—		—			—		94		—			94
Net loss		—		—		—			—		—		(5,252	)		(5,252	)
Balance at June 30, 2022		16,922,868	$	2		2,090		$	—	$	306,825	$	(274,371	)	$	32,456

	Common Stock				Series A Convertible Preferred Stock				Additional		Accumulated
	Shares		Amount		Shares		Amount		Paid-in Capital		Deficit			Total
Balance at December 31, 2020		13,397,041	$	1		2,111	$	—	$	287,218	$	(263,527	)	$	23,692
Stock-based compensation expense		—		—		—		—		460		—			460
Shares issued upon exercise of common stock warrants		5,304		—		—		—		19		—			19
Shares issued upon conversion of preferred stock		23		—		—		—		—		—			—
Shares issued upon exercise of options		194		—		—		—		1		—			1
Net income		—		—		—		—		—		2,599			2,599
Balance at March 31, 2021		13,402,562	$	1		2,111	$	—	$	287,698	$	(260,928	)	$	26,771
Stock-based compensation expense		—		—		—		—		494		—			494
Shares issued for ATM transaction, net of issuance costs		908,044		—		—		—		3,914		—			3,914
Net loss		—		—		—		—		—		(1,828	)		(1,828	)
Balance at June 30, 2021		14,310,606	$	1		2,111	$	—	$	292,106	$	(262,756	)	$	29,351

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

Biocept, Inc.
Condensed Statements of Cash Flows
(in thousands)
(Unaudited)
	For the Six Months Ended June 30,
	2021			2022
Cash Flows from Operating Activities
Net income (loss)	$	772		$	(8,021	)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization		711			810
Noncash operating lease expense		721			268
Stock-based compensation		954			2,902
Loss on disposal of fixed assets		5			—
Increase (decrease) in cash resulting from changes in:
Accounts receivable		1,549			(3,589	)
Inventory		(1,087	)		402
Prepaid expenses and other current assets		1,876			6
Other non-current assets		(13	)		(41	)
Accounts payable		(1,922	)		(2,852	)
Accrued liabilities		(755	)		(281	)
Operating lease liability		-			(230	)
Payor liability		-			5,654
Net cash provided by (used in) operating activities		2,811			(4,972	)
Cash Flows from Investing Activities:
Purchases of fixed assets		(832	)		(315	)
Net cash used in investing activities		(832	)		(315	)
Cash Flows from Financing Activities:
Net proceeds from issuance of common stock		3,914			94
Proceeds from exercise of common stock warrants		18			—
Proceeds from exercise of stock options		1			—
Payments on finance leases		(624	)		(501	)
Payments on supplier financing		(205	)		(242	)
Net cash provided by (used in) financing activities		3,104			(649	)
Net increase (decrease) in Cash		5,083			(5,936	)
Cash at Beginning of Period		14,368			28,864
Cash at End of Period		19,451			22,928
Supplemental Disclosures of Cash Flow Information:
Interest	$	145		$	217

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

The Company was founded in California in May 1997 and is ~~an early stage~~a molecular oncology diagnostics company that develops and commercializes proprietary ~~circulating~~clinical diagnostic laboratory assays designed to identify rare tumor ~~cell, or CTC,~~cells and ~~circulating~~cell-free tumor DNA from blood and cerebrospinal fluid, or ~~ctDNA, assays utilizing a standard blood sample, or liquid biopsy.~~CSF. The ~~Company’s current~~identification of tumor cells and planned assays are intended to provide information to aid healthcare providers to identify specific oncogenic alterations that may qualify a subset of cancer patients for targeted therapy at diagnosis, progression or for monitoringcell-free tumor DNA in order to identify specific resistance mechanisms. Often, traditional methodologies such as tissue biopsies are insufficient or unavailable to provide the molecular subtype information necessary for clinical decisions. The Company’s assays have the potential to provide more contemporaneous information on the characteristics of a patient’s disease compared with traditional methodologies such as tissue biopsy and radiographic imaging. Additionally, commencing in October 2017,CSF has become the Company’s ~~pathology program initiative provides the unique ability for pathologists to participate~~principal development focus following its early commercial expansion into CSF in the interpretation of liquid biopsy results, and is available to pathology practices and hospital systems throughout the United States. Further, the Company’s proprietary blood collection tubes, which allow for the intact transport of research use only liquid biopsy samples from regions around the world, are anticipated to be sold to laboratory supply distributor(s) commencing in 2018.2020.

The Company operates a clinical laboratory that is CLIA-certified (under the Clinical Laboratory Improvement Amendment of 1988) and CAP-accredited (by the College of American Pathologists), and manufactures proprietary microfluidic channels for cell enrichment and extraction, ~~microfluidic channels, related equipment and~~as well as certain reagents that are used to perform the Company’s diagnostic assays in a facility located in San Diego, California. CLIA certification and CAP accreditation are required before any clinical laboratory may perform testing on human specimens for the purpose of obtaining information for the diagnosis, prevention, treatment of disease, or assessment of health. The assays the Company offers are classified as laboratory developed tests (LDTs) under the CLIA regulations.

In July 2013, the Company effected a reincorporation to Delaware by merging itself with and into Biocept, Inc., a Delaware corporation, which had been formed to be and was a ~~wholly-owned~~wholly owned subsidiary of the Company since July 23, 2013.

In January 2020, the Company adapted and validated its proprietary blood-based liquid biopsy technology for commercial and clinical research use in CSF to identify tumor cells that have metastasized to the central nervous system, or CNS, in patients with advanced lung cancer or breast cancer. CNSide has been designed to improve the clinical management of patients with suspected metastatic cancer involving the CNS by enabling the quantitative analysis and molecular characterization of tumor cells and cell-free tumor DNA and RNA in the CSF. Since then, we have worked extensively with leading neuro-oncologists and other cancer experts to further define and characterize the use of this unique assay.

In June 2020, we launched a COVID-19 diagnostic (assay manufactured by Thermo-Fisher) which broadened our assay menu to meet the community testing needs due to the emergence of COVID-19.

The accompanying unaudited condensed financial statements and ~~accompanying~~ notes are prepared in accordance with accounting principles generally accepted in the United States of ~~America.~~America, or GAAP, and on the basis that the Company will continue as a going concern (see Note 2). The accompanying unaudited condensed financial statements and notes do not include any adjustments to reflect the possible future effects on the recoverability and classification of assets or the amounts and classification of liabilities that may result from the possible inability of the Company to continue as a going concern.

The unaudited condensed financial statements included in this Form 10-Q have been prepared in accordance with the U.S. Securities and Exchange Commission, or SEC, instructions for Quarterly Reports on Form 10-Q. Accordingly, the condensed financial statements are unaudited and do not contain all the information required by ~~U.S. Generally Accepted Accounting Principles, or~~ GAAP to be included in a full set of financial statements. The balance sheet at December 31, ~~2016~~2021 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by GAAP for a complete set of financial statements. The audited financial statements for the year ended December 31, ~~2016,~~2021, filed with the ~~U.S. Securities and Exchange Commission, or~~ SEC with our Annual Report on Form 10-K on ~~March 28, 2017~~April 5, 2022 include a summary of our significant accounting policies and should be read in conjunction with this Form 10-Q. In the opinion of management, all material adjustments necessary to present fairly the results of operations for such periods have been included in this Form 10-Q. All such adjustments are of a normal recurring nature. The results of operations for interim periods are not necessarily indicative of the results of operations for the entire year.

The Company reclassified the change in inventory reserve for the six months ended June 30, 2021 of approximately $60,000 within the condensed statement of cash flows to conform to the current ~~period~~year presentation.

~~On September 27, 2016,~~ The change in inventory reserve is now included in the ~~Company’s stockholders approved, and~~increase (decrease) in cash resulting from changes in inventory within the ~~Company filed, an amendment to the Company’s amended and restated certificate of incorporation to~~cash flows from operating activities. This reclassification had no effect ~~a one-for-three reverse stock split of the Company’s outstanding common stock, and to~~ ~~increase the authorized number of shares of the Company’s common stock~~on previously reported cash flows from ~~40,000,000 to 150,000,000 shares. The one-for-three reverse stock split was effected September 29, 2016. As such, all references to share and per share amounts~~operating activities in the unaudited condensed ~~financial statements~~statement of cash flows.

During the three and ~~accompanying notes~~six months ended June 30, 2022, there were no changes to ~~the unaudited condensed financial statements have been retroactively restated to reflect the one-for-three reverse stock split, except~~our significant accounting policies as described in our Annual Report on Form 10-K for the ~~authorized number of shares of the Company’s common stock of 150,000,000 shares, which was not affected by the one-for-three reverse stock split.~~fiscal year ended December 31, 2021.

The Company's commercial revenues are generated from diagnostic services provided to patient’s physicians and billed to third-party insurance payers such as managed care organizations, Medicare and Medicaid and patients for any deductibles, coinsurance or copayments that may be due. The Company recognizes revenue in accordance with ~~the provision of~~ ASC ~~954-605, Health Care Entities—~~606, Revenue ~~Recognition,~~from Contracts with Customers, or ASC 606, which requires that ~~four basic criteria must be met prior to recognition of revenue: (1) persuasive evidence of~~ an ~~arrangement exists; (2) delivery has occurred and title and the risks and rewards of ownership have been transferred to the client~~entity recognize revenue when it transfers promised goods or services ~~have been rendered; (3)~~to customers in an amount that reflects the ~~price is fixed~~consideration to which the entity expects to be entitled to in exchange for those goods or ~~determinable; and (4) collectability is reasonably assured. Commencing on March 31, 2017,~~services.

For its commercial revenues, while the Company ~~recognizes commercial revenue related~~markets directly to ~~billings for assays delivered and billed to Medicare~~physicians and other ~~third-party payers on an accrual basis when amounts that will ultimately be realized can be estimated upon delivery, whereby prior to March 31, 2017,~~healthcare providers, the Company ~~recognized revenues for its~~provides services that benefit the patient. Patients do not typically enter into direct agreements with the Company; however, a patient’s insurance coverage requirements would dictate whether or not any portion of the cost of the tests would be patient responsibility. Accordingly, the Company establishes contracts with commercial ~~diagnostic services on a cash basis~~insurers in accordance with customary business practices, as ~~collected because the amounts ultimately expected to be received could not be estimated upon delivery due to insufficient collection history experience.~~follows:

The Company bills third-party payers on a fee-for-service basis at the Company’s list price and third-party commercial revenue is recorded net of contractual discounts, payer-specific allowances and other reserves.

The Company’s development services revenues are supported by contractual agreements and generated from assay development services provided to entities, such as pharma or biotech organizations, as well as certain other diagnostic services provided to ~~physicians. Diagnostic~~physicians, and revenues are recognized upon delivery of the performance obligations in the contract.

A performance obligation is a promise in a contract to transfer a distinct good or service, or a bundle of goods or services, ~~are completed~~to the customer. For its commercial and development services revenues, the Company’s contracts have a single performance obligation, which is satisfied upon rendering of services, which culminates in the delivery of a patient’s assay ~~results~~result(s) to the ~~prescribing~~ordering physician ~~at which~~or entity. The duration of time between accession receipt and delivery of a valid assay result to the ordering physician or entity is typically less than two weeks, and for our RT-PCR COVID-19 testing, typically 48 hours or less. Accordingly, the Company ~~bills~~elected the practical expedient and therefore, does not disclose the value of unsatisfied performance obligations.

The transaction price is the amount of consideration that the Company expects to collect in exchange for ~~the service.~~

transferring promised goods or services to a customer, excluding amounts collected on behalf of third parties, such as sales taxes. The consideration expected from a contract with a customer may include fixed amounts, variable amounts, or both. The Company’s gross commercial revenues billed, ~~are~~and corresponding gross accounts receivable, subject to ~~estimated deductions for such contractual discounts, payer-specific allowances and other reserves~~price concessions to arrive at reported net revenues, which relate to differences between amounts billed and corresponding amounts estimated to be subsequently ~~collected. These third-party payer discounts~~collected and ~~sales allowances are estimated based on a number of assumptions and~~is deemed to be variable although the variability is not explicitly stated in any contract. Rather, the variability is due to several factors, ~~including historical~~such as the payment trends, seasonality associated with the annual reset of patient deductible limits on January 1 of each year, and current and estimated future payments. Specifically, the Company maintains four such reserves: the reservehistory or lack thereof for contractual discounts, the reserve for aged non-patient receivables, the reserve for estimated patient receivables, and the reserve for other payer-specific sales allowances. The reserve for contractual discounts relates to discounts to gross amounts billed to Medicare and contracted third-party payers, to arrive at the deemed “allowed expense" amount covered by that payer. The Company’s contracted third-party commercial sales are recorded using an actual or contracted fee schedule at the time of sale, while estimated fee schedules are maintainedreimbursement rate changes for each non-contracted payer separately as part of other payer-specific sales allowances. Contractual discounts are recorded at the transaction level at the time of sale based on a fee schedule that is maintained for each contracted third-party payer. The Company periodically adjusts fee schedules for both contracted and non-contracted payers, any patient co-payments, deductibles or compliance incentives, the existence of secondary payers and claim denials. The Company estimates the amount of variable consideration using the most likely amount approach to estimating variable consideration for third-party payers, ~~based upon historical~~including direct patient bills, whereby the estimated reimbursement for services is established by payment ~~trends. The reserve~~histories on CPT codes for ~~aged non-patient receivables reduces gross amounts billed to non-contracted third-party payers for amounts estimated to be collected according to~~each payer, or similar payer types. When no payment history is available, the ~~age~~value of the ~~outstanding balance. The reserve~~account is estimated at Medicare rates, with additional other

payer-specific reserves taken as appropriate. Collection periods for ~~estimated patient receivables reduces gross amounts billed~~billings on commercial revenues range from less than 30 days to ~~third-party payers for amounts estimated to be collected directly from individual patients, such as copayments, deductibles,~~several months, depending on the contracted or ~~amounts otherwise designated as patient responsibility. The reserve for~~non-contracted nature of the payer, among other payer-specific sales allowances relates to the amounts billed to non-contracted third-party payers that are estimated to not be covered by that specific payer’s coverage policies, as well as estimated necessary adjustments to gross amounts billed based on historical collection experience for a particular third-party payer unrelated to the age of outstanding balances.

variables. The estimates of amounts that will ultimately be realized from commercial diagnostic services for non-contracted payers require significant judgment by management. ~~Patients do~~

The Company limits the amount of variable consideration included in the transaction price to the unconstrained portion of such consideration. Revenue is recognized up to the amount of variable consideration that is not ~~enter into direct agreements~~subject to a significant reversal until additional information is obtained or the uncertainty associated with the additional payments or refunds is subsequently resolved. Differences between original estimates and subsequent revisions, including final settlements, represent changes in the estimate of implicit price concessions and are included in the period in which such revisions are made. The Company monitors its estimates of transaction price to depict conditions that ~~commit them to pay any portion~~exist at each reporting date. If the Company subsequently determines that it will collect more consideration than it originally estimated for a contract with a customer, it will account for the change as an increase in the estimate of the ~~cost~~transaction price in the period identified as an increase to revenue. Similarly, if the Company subsequently determines that the amount it expects to collect from a customer is less than it originally estimated, it will generally account for the change as a decrease in the estimate of the ~~tests in~~transaction price as a decrease to revenue. Further, although the ~~event~~Company believes that ~~they have not met their annual deductible limit under their insurance policy, if any, or if their insurance otherwise declines to reimburse~~its estimate for implicit price concessions is appropriate, it is possible that the ~~Company. Adjustments to the estimated payment amounts are recorded at the time of final collection and settlement of each transaction as~~Company will experience an ~~adjustment to commercial revenue. The estimation process used to determine third-party payer discounts and sales allowance has been applied~~impact on ~~a consistent basis since March 31, 2017, and no significant subsequent adjustments have been necessary to increase or decrease these discounts and allowances~~cash collections as a result of ~~changes~~the impact of the COVID-19 pandemic.

For the Company’s commercial revenues, the entire transaction price is allocated to the single performance obligation contained in ~~underlying estimates.~~a contract with a customer. For the Company’s development services revenues, the contracted transaction price is allocated to each single performance obligation contained in a contract with a customer as performed.

The Company’s single performance obligation is satisfied at a point in time, and that point in time is defined as the date a patient’s successful assay result is delivered to the patient’s ordering physician or entity. The Company considers this date to be the time at which the patient obtains control of the promised diagnostic assay service.

The timing of revenue recognition, billings and cash collections results in accounts receivable recorded in the Company’s condensed balance sheets. Generally, billing occurs subsequent to delivery of a patient’s test result to the ordering physician or entity, resulting in an account receivable.

The Company does not adjust the transaction price for the effects of a significant financing component, as at contract inception, the Company expects the collection cycle to be one year or less.

The Company expenses sales commissions when incurred because the amortization period is one year or less, which are recorded within sales and marketing expenses.

The Company incurs certain other costs that are incurred regardless of whether a contract is obtained. Such costs are primarily related to legal services and patient communications. These costs are expensed as incurred and recorded within general and administrative expenses.

The composition of the Company’s ~~gross and~~ net revenues recognized during the three and ~~nine-months~~six months ended ~~September~~June 30, ~~2016~~2022, disaggregated by source and ~~2017 is~~nature, are as ~~follows:~~follows (in thousands):

For the three months ended September 30,

For the nine months ended September 30,

2016

2017

2016

2017

Commercial revenues recognized upon delivery
$
-

$
3,602,194

$
-

$
12,298,790

Development services revenues recognized upon delivery

71,723

67,394

170,052

211,736

Commercial revenues recognized upon cash collection

975,557

102,234

1,761,457

1,158,277

Total gross revenues

1,047,280

3,771,822

1,931,509

13,668,803

Provisions for contractual discounts

—

(1,729,805
)

—

(4,545,128
)
Provisions for aged non-patient receivables

—

(152,889
)

—

(598,532
)
Provisions for estimated patient receivables

—

27,909

—

(90,931
)
Provisions for other payer-specific sales allowances

—

(805,626
)

—

(4,360,775
)
Net revenues
$
1,047,280

$
1,111,411

$
1,931,509

$
4,073,437

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2021		2022		2021		2022
Net revenues from non-contracted payers	$	5,059	$	9,085	$	16,400	$	21,729
Net revenues from contracted payers*		6,920		1,434		13,234		8,697
Net commercial revenues		11,979		10,519		29,634		30,426
Development services revenues		33		92		73		129
Kits and Specimen Collection Tubes (SCTs)		35		—		96		—
Total net revenues	$	12,047	$	10,611	$	29,803	$	30,555

~~During the nine months ended September 30, 2017, the Company recorded $839,431 in nonrecurring net revenue~~*Includes Medicare, Medicare Advantage and CARES Act as a result of recognizing revenue on an accrual basis commencing on March 31, 2017 associated with cases delivered on or prior to December 31, 2016, representing a corresponding decrease in net loss per common share of $0.03. The incremental net revenue as a result of recognizing revenue on an accrual basis commencing on March 31, 2017, or the total amount of net revenue recorded in excess of the amount of commercial cash collections, was $125,007 and $1,041,890 duringreimbursement amounts are fixed.

Revenues for the three and ~~nine-months~~six months ended ~~September~~June 30, ~~2017,~~2022 included $10.6 million and $30.6 million, respectively, ~~representing corresponding decreases~~ in ~~net loss per common share~~commercial test revenues, including $9.8 million and $28.4 million of ~~zero and $0.04, respectively.~~

~~A summary of activity in the Company’s gross and net~~revenues attributable to RT-PCR COVID-19 testing. At June 30, 2022, unbilled accounts receivable ~~balances, as well as corresponding reserves, during the nine months ended September 30, 2017 is as follows:~~

Concentrations of credit risk with respect to revenues are primarily limited to geographies to which the Company provides a significant volume of its services, and to specific third-party payers of the Company’s services such as Medicare, insurance companies, and other third-party payers. The Company’s client base consists of ~~a large number of~~many geographically dispersed clients diversified across various customer types.

The Company's third-party payers that represent more than 10% of total net revenues in any period presented ~~and their related net revenue amount as a percentage of total net revenues,~~ during the three and ~~nine-months~~six months ended ~~September~~June 30, ~~2016~~2021 and ~~2017~~2022 were as follows:

The Company's third-party payers that represent more than 10% of total ~~net accounts receivable, and their related net accounts receivable balance as a percentage of total net~~ accounts receivable at ~~September~~December 31, 2021 and June 30, ~~2017~~2022 were as follows:

In ~~May 2014, and as subsequently updated and amended from time to time, the Financial Accounting Standards Board, or~~June 2016, the FASB issued ~~authoritative guidance that~~ASU 2016-13, Financial Instruments- Credit Losses, which requires ~~entities~~the measurement of expected credit losses for financial instruments carried at amortized cost, such as accounts receivable, held at the reporting date based on historical experience, current conditions and reasonable forecasts. The main objective of this standard is to ~~recognize revenue when it transfers promised goods or services~~provide financial statement users with more decision-useful information about the expected credit losses on financial instruments and other commitments to ~~customers in~~extend credit held by a reporting entity at each reporting period. In November 2018, the FASB issued ASU 2018-19, Codification Improvements to Topic 326, Financial Instruments- Credit Losses, which included an ~~amount that reflects~~amendment of the ~~consideration to which~~effective date. The standard is effective for the ~~entity expects to be entitled to in exchange for those goods or services. This proposed guidance has been deferred and would be effective~~Company for annual reporting periods beginning after December 15, ~~2017, including interim periods within that reporting~~2022. The Company does not expect the adoption of this standard to have a significant impact on its financial statements.

In September 2022, the FASB issued ASU 2022-04, Liabilities-Supplier Finance Programs, to enhance the transparency of supplier finance programs. The main objective of this standard requires a buyer in a supplier finance program to disclose sufficient information about the program to allow a user of financial statements to understand the program’s nature, activity during the period, changes from

period to period, and ~~may be applied retrospectively to each prior period presented or retrospectively with~~potential magnitude. The standard is effective for the ~~cumulative effect recognized as of the date of adoption. Earlier application is permitted only as of~~Company for annual reporting periods beginning after December 15, 2016, including interim periods within that reporting period. As the Company has not yet completed its final review of the impact of the new guidance but expects to during 2017, the Company has not determined whether the adoption of this guidance will have a material impact on its financial statements or disclosures. The Company is still evaluating disclosure requirements under the new guidance, and will continue to evaluate additional changes, modifications or interpretations to the guidance which may impact the current conclusions. The Company expects to adopt the new standard for the fiscal year beginning January 1, 2018 and anticipates that the modified retrospective application method will be applied.

In July 2015, the FASB issued authoritative guidance requiring entities that do not measure inventory using the retail inventory method or on a last-in, first-out basis to record inventory at the lower of cost and net realizable value. Net realizable value is the estimated selling prices in the ordinary course of business, less reasonably predictable costs of completion, disposal, and transportation. This guidance is effective on a prospective basis for fiscal years beginning after December 15, 2016,2022, including interim periods within those fiscal years. ~~Early adoption is permitted.~~ The Company ~~adopted this guidance for~~is currently evaluating the ~~reporting period beginning January 1, 2017. The adoption of this guidance did not have a material~~expected impact ~~on the Company’s financial statements or disclosures.~~

In January 2016, the FASB issued authoritative guidance requiring, among other things, that certain equity investments be measured at fair value with changes in fair value recognized in net income, that financial assets and financial liabilities be presented separately by measurement category and form of financial asset on the balance sheet or the accompanying notes to the financial statements, that the prior requirement to disclose the method(s) and significant assumptions used to estimate the fair value that is required to be disclosed for financial instruments measured at amortized cost on the balance sheet be eliminated, and that a reporting organization is to present separately in other comprehensive income the portion of the total change in the fair value of a liability resulting from a change in the instrument-specific credit risk when the organization has elected to measure the liability at fair value in accordance with the fair value option for financial instruments. This guidance is effective for fiscal years, and interim periods within those years, beginning after December 15, 2017. Early adoption of the instrument-specific credit risk amendment is permitted. The Company expects to adopt this guidance for the fiscal year beginning on January 1, 2018, and does not anticipate that the adoption of this ~~guidance~~standard will have ~~a material impact~~ on its financial ~~statements or disclosures because the Company does not currently have any equity method investments.~~

In February 2016, the FASB issued authoritative guidance requiring, among other things, that entities recognize the assets and liabilities arising from leases on the balance sheet under revised criteria, while the classification criteria for distinguishing between finance leases and operating leases are substantially similar to the classification criteria in the previous leases guidance. In transition, lessees and lessors are required to recognize and measure leases at the beginning of the earliest period presented using a modified retrospective approach. This guidance is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Early adoption is permitted. The Company anticipates that the adoption of this guidance will materially affect its statement of financial position and will require changes to its processes. The Company expects to adopt this guidance for the reporting period beginning on January 1, 2019, and has not yet made any decision on the method of adoption with respect to the optional practical expedients, but expects to during 2018.

In March 2016, the FASB issued authoritative guidance clarifying that a change in the counterparty to a derivative instrument that has been designated as the hedging instrument does not necessarily require de-designation of that hedging relationship, provided that all other applicable hedge accounting criteria continue to be met. This guidance is effective on either a prospective basis or modified retrospective basis for fiscal years beginning after December 15, 2016, and interim periods within those fiscal years. Early adoption is permitted. The Company adopted this guidance for the reporting period beginning January 1, 2017. The adoption of this guidance did not have a material impact on the Company’s financial statements or disclosures.

In March 2016, the FASB issued authoritative guidance requiring entities to assess whether contingent call (put) options that can accelerate the payment of principal on debt instruments are clearly and closely related to their debt hosts, and clarifies what steps are required when assessing whether the economic characteristics and risks of call (put) options are clearly and closely related to the economic characteristics and risks of their debt hosts. This guidance is effective on a modified retrospective basis for fiscal years beginning after December 15, 2016, and interim periods within those fiscal years. Early adoption is permitted. The Company adopted this guidance for the reporting period beginning January 1, 2017. The adoption of this guidance did not have a material impact on the Company’s financial statements or disclosures.

In March 2016, the FASB issued authoritative guidance simplifying the accounting for stock compensation. This guidance, among other things, amends existing accounting and classification requirements primarily around income taxes, forfeitures, and cash payments associated with share-based payment awards to employees. This guidance is effective for fiscal years beginning after December 15, 2016, including interim periods within those fiscal years. Early adoption is permitted. The Company adopted this guidance for the reporting period beginning January 1, 2017. The adoption of this guidance did not have a material impact on the Company’s financial statements or disclosures.

In August 2016, the FASB issued authoritative guidance clarifying the classification of certain cash receipts and cash payments in the statement of cash flows. This guidance is effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years, on a retrospective transition method to each period presented. Early adoption is permitted. The Company currently intends to adopt this guidance for the fiscal year beginning on January 1, 2018, and does not anticipate that the adoption of this guidance will have a material impact on its financial statements or disclosures because the Company has not historically engaged in the transactions encompassed by the proposed guidance.

In January 2017, the FASB issued authoritative guidance clarifying the definition of a business when evaluating transactions involving acquisitions or disposals of assets or businesses. This guidance is effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. Certain applications of this guidance are permitted for early adoption. The Company currently intends to adopt this guidance for the fiscal year beginning on January 1, 2018, and does not anticipate that the adoption of this guidance will have a material impact on its financial statements or disclosures because the Company has not historically acquired or disposed of material assets or businesses.

In January 2017, the FASB issued authoritative guidance eliminating the “Step 2” requirement for an entity to determine the fair value of its assets and liabilities for goodwill impairment testing in the same manner that would be required for those assumed in a business combination. Instead, the amended guidance allows an entity to perform goodwill impairment testing by comparing the fair value of a reporting unit with its carrying amount. This guidance is effective for any goodwill impairment tests in fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. Early adoption is permitted. The Company currently intends to adopt this guidance for the fiscal year beginning January 1, 2020, and does not anticipate that the adoption of this guidance will have a material impact on its financial statements or disclosures because the Company does not currently have any recorded goodwill.

In February 2017, the FASB issued authoritative guidance clarifying the definition of the term “in substance nonfinancial asset” when accounting for transfers of financial and nonfinancial assets, and other matters concerning the transfer, sale and partial sale of nonfinancial assets to both consolidated entities and non-consolidated counterparties. This guidance is effective for fiscal years beginning after December 15, 2017, including interim periods within that reporting period. Early adoption is permitted. The Company currently intends to adopt this guidance for the fiscal year beginning on January 1, 2018, and does not anticipate that the adoption of this guidance will have a material impact on its financial statements or disclosures because the Company has not historically engaged in transfers, sales or partial sales of nonfinancial assets.

In March 2017, the FASB issued authoritative guidance shortening the amortization period to the earliest call date for certain purchased callable debt securities held at a premium. This guidance is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Early adoption is permitted. The Company currently intends to adopt this guidance for the fiscal year beginning on January 1, 2019, and does not anticipate that the adoption of this guidance will have a material impact on its financial statements or disclosures because the Company does not currently hold any callable debt securities.

In May 2017, the FASB issued authoritative guidance clarifying what modifications to a share-based payment award may be considered substantive, and therefore requiring the application of modification accounting. This guidance is effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. Early adoption is permitted. The Company currently intends to adopt this guidance for the fiscal year beginning on January 1, 2018, and does not anticipate that the adoption of this guidance will have a material impact on its financial statements or disclosures because the Company does not currently expect any significant modifications to outstanding share-based payment awards.

In July 2017, the FASB issued authoritative guidance changing the classification analysis of certain equity-linked financial instruments (or embedded features) with down round features, whereby a down round feature no longer precludes equity classification when assessing whether the instrument is indexed to an entity’s own stock, and also clarifying existing disclosure requirements for equity-classified instruments. This guidance is effective for fiscal years beginning after December 15, 2019, and interim periods within fiscal years beginning after December 15, 2020. Early adoption is permitted. The Company currently intends to adopt this guidance for the fiscal year beginning on January 1, 2020, and does not anticipate that the adoption of this guidance will have a material impact on its financial statements or disclosures because the Company does not currently hold any significant financial instruments with down round features.

In August 2017, the FASB issued authoritative guidance that expands and refines hedge accounting for both nonfinancial and financial risk components and align the recognition and presentation of the effects of the hedging instrument and the hedged item in the

~~financial~~ statements. This guidance is effective for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early application is permitted. The Company currently intends to adopt this guidance for the fiscal year beginning on January 1, 2019, and does not anticipate that the adoption of this guidance will have a material impact on its financial statements or disclosures because the Company does not currently hold any financial instruments accounted for as a hedging activity.

As of ~~September~~June 30, ~~2017,~~2022, cash totaled ~~$5.9~~$22.9 million and the Company had an accumulated deficit of ~~$189.6~~$274.4 million. For the six months ended June 30, 2022, the Company incurred a net loss of $8.0 million.

The Company has historically funded its operations primarily through sales of its equity securities. For the year ended December 31, ~~2016~~2021, revenue from the Company’s COVID-19 testing business provided an increased level of cash flow. During the quarter ended June 30, 2022, net revenues were approximately $10.6 million compared with approximately $12.0 million for the same period in the prior year.

During 2021 and the ~~nine month period~~three and six months ended ~~September~~June 30, ~~2017,~~2022, the Company incurred operating losses. The Company had net ~~losses~~cash provided by operations for the year ended December 31, 2021, and net cash used to fund operations for the three and six months ended June 30, 2022. The Company does not anticipate it will be profitable until it has commercial expansion of ~~$18.4 million~~its proprietary clinical diagnostic laboratory assays designed to identify rare tumor cells from cerebrospinal fluid, trademarked as CNSide. Accordingly, management performed the review required for going concern accounting and ~~$15.9 million, respectively. At September 30, 2017,~~does not believe the Company ~~had aggregate net interest-bearing indebtedness~~presently has sufficient liquidity to continue to operate for the next twelve months after the filing of ~~$3.3 million,~~this Quarterly report on Form 10-Q. Management intends to continue its efforts to contain costs and to raise additional capital until it ultimately generates sufficient cash to support operations from commercial sales.

As part of a warrant repricing and exchange transaction, in ~~addition to $3.4 million of other non-interest bearing current liabilities. In February 2016,~~January 2020, the Company ~~signed a firm, non-cancelable, and unconditional commitment in~~issued an aggregate ~~amount~~ of ~~$1,062,500 with a vendor to purchase certain inventory items, payable~~692,725 new warrants in minimum quarterly amounts of $62,500 through May 2020, under which $625,000 remained outstanding at September 30, 2017 (see Note 11). These factors raise substantial doubt about the Company’s ability to continue as a going concernexchange for the ~~one-year period following the date that these unaudited condensed financial statements were issued. The accompanying unaudited condensed financial statements have been prepared assuming that~~exercise of certain warrants issued by the Company ~~will continue as~~in February 2019 and March 2019 for an aggregate of 692,725 shares of common stock and received net proceeds of approximately $2.3 million. As a going concern. The unaudited condensed financial statements do not include any adjustments to reflect the possible future effects on the recoverability and classification of assets or the amounts and classification of liabilities that may result ~~from the possible inability~~ of the ~~Company to continue as a going concern.~~

~~While~~warrant repricing, the Company is currently in the commercialization stage of operations, the Company has not yet achieved profitability and anticipates that it will continue to incur net losses for the foreseeable future. Historically, the Company’s principal sources of cash have included proceeds from the issuance of common and preferred stock, proceeds from the exercise price of warrants to purchase an aggregate of 89,657 shares of common stock ~~proceeds~~issued by the Company in January 2018 was adjusted from $4.05 to $3.495 per share. In January 2020, the Company issued 192,750 shares of common stock pursuant to the partial exercise of the underwriters’ overallotment option from the ~~issuance of debt, and revenues from laboratory services.~~Company’s December 2019 public offering. The ~~Company’s principal uses of cash have included cash used in operations, payments relating~~net proceeds to purchases of property and equipment and repayments of borrowings. The Company expects that the principal uses of cash in the future will be for continuing operations, hiring of sales and marketing personnel and increased sales and marketing activities, funding of research and development, capital expenditures, and general working capital requirements. The Company expects that, as revenues grow, sales and marketing and research and development expenses will continue to grow, albeit at a slower rate and, as a result, the Company ~~will need~~from the overallotment closing was approximately $700,000.The warrants issued in connection with the warrant repricing and exchange transaction were considered inducement warrants and are classified in equity. In addition, the modification expense associated with the change in fair value due to ~~generate significant growth in net revenues to achieve~~the repricing of February and ~~sustain income from operations.~~March 2019 warrants is recorded as inducement expense, which was approximately $191,000. The fair value of the warrants issued was approximately $1.9 million. The fair value of the inducement warrants and warrant modification of $2.1 million was expensed as warrant inducement expense during the year ended December 31, 2021.

InOn May ~~2015, the SEC declared effective a shelf registration statement filed by the Company. The shelf registration statement allows~~12, 2021, the Company entered into a Controlled Equity Offering^SM Sales Agreement (the “Sales Agreement”) with Cantor Fitzgerald & Co. (the “Sales Agent”), under which the Company may issue and sell from time to ~~issue any combination~~time up to $25,000,000 of its common stock ~~preferred stock, debt securities~~through or to the Sales Agent, as sales agent or principal. The issuance and ~~warrants from time to time for an aggregate initial offering price~~sale of ~~up to $50 million,~~these shares under the Sales Agreement, if any, is subject to ~~certain limitations for so long as~~the continued effectiveness of the Company’s ~~public float is less than $75 million. A public offering~~shelf registration statement on Form S-3, filed with the SEC on April 24, 2020. Our shelf registration statement on Form S-3 will be unavailable upon our filing of our Annual Report on Form 10-K for the year ending December 31, 2022 and we will not be able to file a new Form S-3 until, at the earliest, September 1, 2023. Sales of the Company’s common stock, under the Sales Agreement are made at market prices by any method that is deemed to be an “at the market offering” as defined in Rule 415(a)(4) under the Securities Act of 1933, as amended. Each time the Company wishes to issue and ~~warrants to purchase its~~sell common stock ~~closed~~under the Sales Agreement, it notifies the Sales Agent of the number of shares to be issued, the dates on ~~May 4, 2016,~~which such sales are anticipated to be made and any minimum price below which sales may not be made. Once the Company has so instructed the Sales Agent, unless the Sales Agent declines to accept the terms of the notice, the Sales Agent has agreed to use its commercially reasonable efforts consistent with its normal trading and sales practices to sell such shares up to the amount specified on such terms.

The obligations of the Sales Agent under the Sales Agreement to sell the Company’s common stock are subject to a number of conditions that the Company must meet. The offering of common stock pursuant to ~~which~~the Sales Agreement will terminate upon the earlier of (1) the sale of all common stock subject to the Sales Agreement and (2) termination of the Sales Agreement as permitted therein. The Sales Agreement may be terminated by either party at any time upon ten days’ prior notice. The Sales Agent is entitled to compensation from the Company at a fixed commission rate equal to 3.0% of the gross sales price per share of any common stock sold under the Sales Agreement.

During 2021, the Company received net ~~cash~~ proceeds of ~~approximately $4.3~~$14.1 million ~~(see Note 3). Subsequent to~~from the ~~closing~~sale of this offering on May 4, 2016, no warrants sold in this offering have been exercised, with approximately $4.5 million in gross warrant proceeds remaining outstanding and available to be exercised at $3.90 per share until their expiration in May 2021. A second offering of the Company’s common stock was effected under this shelf registration statement on March 28, 2017, the closing of which occurred on March 31, 2017, pursuant to which the Company received net cash proceeds of approximately $8.6 million (see Note 3). In a concurrent private placement, the Company sold unregistered warrants to purchase up to 2,160,000 shares of the Company’s common stock that closed concurrently with the March 31, 2017 offering of common stock sold pursuant to this shelf registration statement. Subsequent to the closing of the sales of these unregistered warrants, no warrants sold have been exercised, with $5.4 million in gross warrant proceeds remaining outstanding and available to be exercised at $2.50 per share until their expiration in October 2022. The specific terms of additional future offerings, if any, under this shelf registration statement would be established at the time of such offerings. A public offering of the Company’sour common stock and warrants to purchase its common stock was effected under an underwriting agreement dated October 14, 2016 between the Company, Roth Capital Partners, LLC and Feltl and Company, Inc., as underwriters named therein, the closing of which occurred on October 19, 2016, pursuant to which the Company received net cash proceeds of approximately $9.0 million (see Note 3). Subsequent to the closing of this offering, cash proceeds of approximately $7.5 million have been received from the exercise of warrants sold in this offering, while approximately $3.2 million in gross warrant proceeds remain outstanding and available to be exercised at $1.10 per share until their expiration in October 2021. Pursuant to a common stock and warrant purchase agreement dated August 9, 2017 between the Company and ~~Ally Bridge LB Healthcare Master Fund Limited, or Ally Bridge~~, the Company received net cash proceeds of approximately $2.0 million as a result of the sale of its common stock and warrants. Subsequent to August 9, 2017, no additional cash proceeds had been received from the exercise of warrants sold in this offering, with approximately $2.2 million in gross warrant proceeds remaining outstanding and available to be exercised at $1.50 per share until their expiration in August 2022.

In order to continue as a going concern, the Company will need, among other things, additional capital resources. Until the Company can generate significant cash from operations, including assay revenues, management’s plans to obtain such resources for the

Company include proceeds from offerings of the Company’s equity securities or debt, or transactions involving product development, technology licensing or collaboration. Management can provide no assurances that any sources of a sufficient amount of financing will be available to the Company on favorable terms, if at all.

~~On December 21, 2015, the Company entered into a common stock purchase agreement with Aspire Capital Fund, LLC, or Aspire Capital, which committed to purchase up to an aggregate of $15.0 million of~~issued 3,428,680 shares of ~~the Company’s common stock over the 30-month term of the common stock purchase agreement.~~ ~~On November 4, 2016, the Company voluntarily terminated this common stock purchase agreement.~~ Upon execution of the common stock purchase agreement, the Company sold to Aspire Capital 208,334 shares of common stock at $4.80 per share for proceeds of $1,000,000, and concurrently also entered into a registration rights agreement with Aspire Capital, pursuant to which the Company filed a registration statement registering the sale of the shares of the Company’s common stock that were issued to Aspire Capital under the common stock purchase agreement. In consideration for entering into, and concurrently with the execution of, the common stock purchase agreement, the Company issued to Aspire Capital 55,000 shares of its common stock. The proceeds received by the Company under the common stock purchase agreement were used for working capital and general corporate purposes. During the year ended December 31, 2016, the Company submitted purchase notices to Aspire Capital for an aggregate of 173,145 shares of common stock for gross proceeds of $544,051. Costs associated with this offering of approximately $42,000 and $79,000 during the years ended December 31, 2015 and 2016, respectively, were also recorded to common stock issuance costs under applicable accounting guidance, and as such, the total net increase in capital related to these transactions was approximately $1.4 million.

In May 2015, the SEC declared effective a shelf registration statement filed by the Company. The shelf registration statement allows the Company to issue any combination of its common stock, preferred stock, debt securities and warrants from time to time for an aggregate initial offering price of up to $50 million, subject to certain limitations for so long as the Company’s public float is less than $75 million. Pursuant to an exclusive placement agent agreement dated April 25, 2016 between the Company and H.C. Wainwright & Co., LLC, and a securities purchase agreement dated April 29, 2016 between the Company and the purchasers signatory thereto, a public offering of 1,662,191 shares of the Company’s common stock and warrants to purchase up to an aggregate of 1,163,526 shares of common stock was effected under this registration statement at a combined offering price of $3.00. All warrants sold in this offering have a per share exercise price of $3.90, are exercisable immediately and expire five years from the date of issuance. The estimated grant date fair value of these warrants of approximately $2.0 million was recorded as an offset to additional paid-in capital upon the closing of this offering. The closing of the sale of these securities to the purchasers occurred on May 4, 2016, pursuant to which the Company received, after deducting $0.7 million of costs directly associated with the offering that were recorded as an offset to additional paid-in capital under applicable accounting guidance, approximately $4.3 million of net cash proceeds. Subsequent to the closing of this offering on May 4, 2016, no warrants sold in this offering have been exercised, with approximately $4.5 million in gross warrant proceeds remaining outstanding and available to be exercised at $3.90 per share until their expiration in May 2021. Pursuant to an exclusive placement agent agreement dated March 28, 2017 between the Company and Roth Capital Partners, LLC as lead placement agent, and WestPark Capital and Chardan Capital as co-placement agents, a securities purchase agreement for a second offering of 4,320,000 shares of the Company’s common stock was effected under this registration statement at per share price of $2.15, which closed on March 31, 2017. In a concurrent private placement, the Company sold unregistered warrants to purchase up to an aggregate of 2,160,000 shares of the Company’s common stock that closed concurrently with the March 2017 offering of common stock sold pursuant the shelf registration statement, of which none have been subsequently exercised. All warrants sold in this offering have a per share exercise price of $2.50 and expire on October 1, 2022. The estimated grant date fair value of these warrants of approximately $2.8 million was recorded as an offset to additional paid-in capital upon the closing of this offering (see Note 4). At the closing of these sales on March 31, 2017, the Company received, after deducting $0.7 million of costs directly associated with the offering that were recorded as an offset to additional paid-in capital under applicable accounting guidance, approximately $8.6 million of net cash proceeds. In connection with the closing of the offering, the Company has agreed to certain contractual terms that limit its ability to issue variable rate securities for a period of one year following the closing of the offering, with certain exceptions. The specific terms of additional future offerings, if any, under this shelf registration statement would be established at the time of such offerings.

Pursuant to an underwriting agreement dated October 14, 2016 between the Company, Roth Capital Partners, LLC and Feltl and Company, Inc., as underwriters named therein, a public offering of 9,100,000 shares of the Company’s common stock and warrants to purchase up to an aggregate of 9,100,000 shares of common stock was effected at a combined offering price of $1.10. The estimated grant date fair value of these warrants of approximately $5.2 million was recorded as an offset to additional paid-in capital upon the closing of this offering. Additionally, the underwriters were granted a 30-day option to purchase up to 1,365,000 additional shares ofour common stock at a weighted average purchase price of ~~$1.0331 per share,~~$4.31 pursuant to the Sales Agreement. During the three and six months ended June 30, 2022, we received net proceeds of approximately $94,000 from the ~~underwriting discount, and/or additional warrants to purchase up to 1,365,000~~sale of our common stock and issued 72,707 shares

of our common stock at a weighted average purchase price of ~~$0.0009 per warrant to cover overallotments, if any, of which the underwriters exercised their overallotment option to purchase 627,131 option warrants for total proceeds~~$1.74 pursuant to the ~~Company~~Sales Agreement. As of $564. The estimated aggregate grant date fair value of the overallotment options and warrants of approximately $0.8 million was recorded as an offset to additional paid-in capital upon the closing of this offering. ~~All warrants sold in this offering~~ ~~have a per share exercise price of $1.10, are exercisable immediately and expire five years from the date of issuance. The closing of the sale of these securities to the underwriters occurred on~~

~~October 19, 2016, when the Company received, after deducting $1.0~~June 30, 2022, $10.1 million of costs directly associated with the offering that were recorded as an offset to additional paid-in capital under applicable accounting guidance, $9.0 million of net cash proceeds. Subsequent to the closing of this offering, approximately $7.5 million of additional cash proceeds had been received from the exercise of warrants sold in this offering. As such, the total net increase in capital as a result of the sale of these shares and warrants has been $16.5 million.

~~Pursuant to a~~our common stock ~~and warrant purchase agreement dated August 9, 2017 between~~remained available for sale under the Company and Ally Bridge, an offering of 1,466,667 shares of the Company’s common stock and warrants to purchase up to an aggregate of 1,434,639 shares of common stock was effected at a combined offering price of $1.50 per unit for total gross proceeds to the Company of $2.2 million. Subsequent to the closing of this offering, no additional cash proceeds had been received from the exercise of warrants sold in this offering. As such, the total increase in capital as a result of the sale of the common stock and warrants has been approximately $2.0 million after deducting $0.2 million of associated costs incurred, which were offset against these proceeds under applicable accounting guidance.

The estimated fair value of the credit facility entered into with Oxford Finance LLC in April 2014, or the April 2014 Credit Facility, at September 30, 2017 approximated its carrying value, which was determined using a discounted cash flow analysis. The analysis considered interest rates of instruments with similar maturity dates, which involved the use of significant unobservable Level 3 inputs.

As of the closing of the Company’s March 31, 2017 offering, the estimated grant date fair value of $1.31 per share associated with the warrants to purchase up to 2,160,000 shares of common stock issued in this offering, or a total of approximately $2.8 million, was recorded as an offset to additional paid-in capital, and was estimated using a Black-Scholes valuation model with the following assumptions:Sales Agreement.

As of the closing of the Company’s August 9, 2017 offering, the estimated grant date fair value of $1.03 per share associated with the warrant to purchase up to 1,434,639 shares of common stock issued in this offering, or a total of approximately $1.5 million, was recorded as an offset to additional paid-in capital, and was estimated using a Black-Scholes valuation model with the following assumptions:

The following provides certain balance sheet ~~details:~~details (in thousands):

	December 31,			September 30,			December 31,			June 30,
	2016			2017			2021			2022
										(unaudited)
Inventories
Raw materials							$	2,303		$	2,021
Subassemblies								294			182
Finished goods								54			46
Total inventories							$	2,651		$	2,249
Fixed Assets
Machinery and equipment	$	2,728,468		$	2,938,281		$	3,063		$	3,120
Furniture and office equipment		143,726			147,976			161			161
Computer equipment and software		620,582			1,526,482			2,931			3,436
Leasehold improvements		517,968			550,246			634			641
Financed equipment		1,559,690			1,922,418
Construction in process		169,896			7,481			245			301
Total fixed assets, gross		5,740,330			7,092,884
Less accumulated depreciation and amortization		(3,933,999	)		(4,173,088	)
							$	7,034		$	7,659
Less: accumulated depreciation and amortization								(4,633	)		(4,960	)
Total fixed assets, net	$	1,806,331		$	2,919,796		$	2,401		$	2,699
Accrued Liabilities
Accrued interest	$	20,776		$	324,406
Accrued payroll		168,727			477,889			725			1,044
Accrued vacation		364,953			503,380			961			786
Accrued bonuses		422,868			625,682			178			460
Accrued sales commissions		77,844			48,390			600			64
Current portion of deferred rent		67,085			106,418
Accrued other		37,783			88,220			554			383
Total accrued liabilities	$	1,160,036		$	2,174,385		$	3,018		$	2,737

~~On April 30, 2014,~~In March 2022, the Company received net cash proceeds of approximately $4,898,000 pursuant to the execution of the April 2014 Credit Facility with Oxford Finance LLC. Upon the entry into the April 2014 Credit Facility, the Company was required to pay the lender a facility fee of $50,000 in conjunction with the funding of the term loan. The April 2014 Credit Facility is secured by substantially all of the Company’s personal property other than its intellectual property. Amounts due to Oxford Finance LLCU.S. Health Resources and Services Administration, or HRSA, informed providers that, after March 22, 2022, it would stop accepting claims for testing and treatment for uninsured individuals under the April 2014 Credit Facility are callable before maturity by the lender under certain subjective acceleration clauses of the underlying agreement, including changes deemed to be materially adverse by the lender. The term loan under the April 2014 Credit Facility bears interest at an annual rate equal to the greater of (i) 7.95% or (ii) the sum of (a) the three-month U.S. LIBOR rate reported in the Wall Street Journal three business daysHRSA COVID-19 Uninsured Program and that claims submitted prior to ~~the funding~~that date would be subject to eligibility and availability of ~~the term loan, plus (b) 7.71%. The term loan bears interest at an annual rate of 7.95%.~~funds. HRSA’s procedure for recouping credits due from service providers had been to net these amounts against reimbursements for services provided. Given that no further payments are expected from HRSA, there is no longer a mechanism for recoupments. The Company ~~was required to make interest-only payments on the term loan through August 1, 2015. The~~has therefore recorded a liability for outstanding term loan under the April 2014 Credit Facility began amortizing at the end of the applicable interest-only period, with monthly payments of principal and interest being made by the Company to the lender in consecutive monthly installments following such interest-only period. The term loan under the April 2014 Credit Facility matures on July 1, 2018. Under the original terms of the underlying agreement, the Company is also required to make a final payment to the lender equal to 5.5% of the original principal amount of the term loan funded. At its option, the Company may prepay the outstanding principal balance of the term loan in whole but not in part, subject to a prepayment fee of 1% of any amount prepaid.HRSA credits which were previously netted against account receivable.

On June 30, 2016, the Company entered into an amendment of the April 2014 Credit Facility. This amendment required the Company to make interest-only payments on the term loan from July 1, 2016 through September 30, 2016, and also requires an additional final payment of $50,000 to the lender. The terms of the amendment require the amortization of the outstanding amount due under the term loan to commence at the end of the applicable interest-only period, with monthly payments of principal and interest, in arrears, being made by the Company to the lender in consecutive monthly installments following such interest-only period. Additionally, pursuant to the amendment the aggregate outstanding principal amount of the Company’s permitted indebtedness, consisting of capitalized lease obligations and purchase money indebtedness outstanding at any time, was increased to $1.2 million. The June 30, 2016 amendment of the April 2014 Credit Facility was accounted for as a modification of debt under applicable accounting guidance. On June 28, 2017, the Company entered into an amendment of the April 2014 Credit Facility whereby the aggregate outstanding principal amount of the Company’s permitted indebtedness was increased to $3.0 million.6. Leases

The April 2014 Credit Facility includes affirmative and negative covenants applicable to the Company and any subsidiaries created in the future. The affirmative covenants include, among others, covenants requiring the Company to maintain its legal existence and governmental approvals, deliver certain financial reports and maintain insurance coverage. The negative covenants include, among others, restrictions on transferring collateral, incurring additional indebtedness, engaging in mergers or acquisitions, paying dividends or making other distributions, making investments, creating liens, selling assets, and suffering a change in control, in each case subject to certain exceptions. The April 2014 Credit Facility also includes events of default, the occurrence and continuation of which provide Oxford Finance ~~LLC, as collateral agent, with the right to exercise remedies against the Company and the collateral securing the term~~

loan under the April 2014 Credit Facility, including foreclosure against the Company’s properties securing the April 2014 Credit Facility, including its cash. These events of default include, among other things, the Company’s failure to pay any amounts due under the April 2014 Credit Facility, a breach of covenants under the April 2014 Credit Facility, insolvency, a material adverse change, the occurrence of any default under certain other indebtedness in an amount greater than $250,000, and a final judgment against the Company in an amount greater than $250,000.

A warrant to purchase up to 17,655 shares of the Company’s common stock at an exercise price of $14.16 per share with a term of 10 years was issued to Oxford Finance LLC on April 30, 2014. Issuance costs of $102,498 associated with the term loan under the April 2014 Credit Facility were recorded as a discount to outstanding debt as of the closing date, resulting in net proceeds of $4,897,502. The estimated fair value of the warrant issued of $233,107 was also recorded as a discount to outstanding debt as of the closing date. The discounts and other issuance costs are amortized to interest expense utilizing the effective interest method over the underlying term of the loan, with total unamortized discounts of $78,408 and $54,405 remaining at December 31, 2016 and September 30, 2017, respectively. The effective annual interest rate associated with the April 2014 Credit Facility was 13.87% at both December 31, 2016 and September 30, 2017. As of September 30, 2017, total remaining principal payments of $498,132 and $1,201,409 were due under the April 2014 Credit Facility during the fiscal years ending December 31, 2017 and 2018, respectively.

The Company leases certain laboratory equipment under arrangements previously accounted for as capital leases, classified on the Company’s balance sheet as fixed assets and ~~classified as~~related lease liabilities, and depreciated on a straight-line basis over the lease term. The equipment ~~financings. The financed equipment~~under finance leases is depreciated on a straight-line basis over periods ranging from approximately 5 to 7 years. The total gross value of ~~fixed assets~~equipment capitalized under such ~~financing~~lease arrangements was ~~$1,559,690 and $1,922,418~~approximately $6.0 million at December 31, ~~2016~~2021 and ~~September~~June 30, ~~2017,~~2022, respectively. Total accumulated depreciation related to ~~financed~~ equipment under finance leases was approximately ~~$525,000~~$3.2 million and ~~$681,000~~$3.6 million at December 31, ~~2016~~2021 and ~~September~~June 30, ~~2017,~~2022, respectively. Total depreciation expense related to ~~financed~~ equipment ~~was approximately $40,000 and $52,000 for~~under finance leases during the three months ended June 30, 2021 and 2022 was approximately $209,000 and $214,000, respectively, and was approximately $381,000 and $440,000 during the six months ended June 30, 2021 and 2022, respectively.

During the six months ended June 30, 2021, the Company entered into finance leases for a total capitalized amount of $894,000 for four pieces of equipment. Under the terms of the financing agreements, which were accounted for as finance lease transactions, the principal balance plus interest for the equipment are to be paid in installments ranging from 36 to 60 monthly installments of $21,330 totaling approximately $1.1 million through March 2026.

On June 16, 2022, the Company entered into a finance lease for a capital amount of $107,000. Under the terms of the financing agreement, which were accounted for as a finance lease transaction, the principal balance plus interest for the equipment are to be paid in 60 monthly installments of approximately $2,000 totaling approximately $111,000 through August 2027. The commencement date per the agreement is September 1, 2022, as such there is no financial statement impact for the three or six-months ended June 30, ~~2016~~2022.

On June 1, 2020, the Company entered into a lease for a 39,000 square foot headquarters, manufacturing and ~~2017, respectively. Total depreciation expense~~laboratory facility at 9955 Mesa Rim Road in San Diego, California. The lease commenced on December 1, 2020 and is for a term of 127 months from the commencement date. The lease included a rent abatement period of seven months, from January 2021 through July of 2021, during which period the Company is exempted from paying the amount of base rent of $111,000. In addition, the lease stipulated an additional two months of lease abatement period in the event that the property is sold within the first six months of the initial lease period. In March 2021, the Company was notified that the original landlord has sold the building, hence the Company was eligible for an additional two months of rent abatement period. In addition, the landlord agreed to pay for certain preapproved leasehold improvement costs through a one-time leasehold improvement allowance of approximately $1.6 million. The amount of additional leasehold improvement allowance of approximately $1.6 million is to be paid back to the landlord during the term of the lease by the Company, amortized at an agreed upon annual rate of 7% as an additional rent payment of approximately $18,000 per month. The average monthly cash payment including payment for the additional leasehold improvement allowance for the lease is approximately $140,000 per month with initial monthly lease payments of $128,000 per month. The Company recorded a lease right-of-use asset and lease liability of $9.8 million and $9.8 million, respectively, as of December 31, 2020, based on the present value of payments and an incremental borrowing rate of 12%. As the Company’s lease did not provide an implicit rate, the Company estimated the incremental borrowing rate based on the credit quality of the Company and by comparing interest rates available in the market for similar borrowings. The Company recorded $1.6 million in other current assets related to ~~financed equipment was approximately $93,000 and $160,000~~reimbursable leasehold improvement costs incurred as of December 31, 2020. The landlord reimbursed the Company $1.8 million during the year ended December 31, 2021.

The following schedule represents the components of lease expense for the ~~nine~~three and six months ended ~~September~~June 30, ~~2016~~2021 and ~~2017, respectively. Fixed assets purchased totaling $362,729 during the nine months ended September~~2022 (in thousands):

The following schedule represents maturities of operating and finance lease liabilities as of June 30, 2017 were recorded as equipment financings. The aggregate weighted average effective annual interest rate related to the equipment financings was 13.18% and 13.79% at December 31, 2016 and September 30, 2017, respectively, and the maturity dates on such outstanding arrangements range from June 2018 to September 2024.2022 (in thousands):

The following schedule sets forth ~~the remaining future minimum lease payments outstanding under financed equipment arrangements, as well as corresponding remaining sales tax~~supplemental cash flow information related to operating and maintenance obligation payments that are expensed as incurred, due within each respective fiscal year ending December 31, as well as the present value of the total amount of remaining minimum lease payments,finance leases as of ~~September~~June 30, ~~2017:~~

Maintenance

Minimum

and Sales Tax

Lease

Obligation

Payments

Payments

2017
$
79,763

$
8,954

2018

338,273

58,355

2019

313,529

68,925

2020

277,291

54,768

2021

267,665

48,802

Thereafter

522,397

88,313

Total payments

1,798,918

328,117

Less amount representing interest

(544,210
)

—

Present value of payments
$
1,254,708

$
328,117

	For the Six Months Ended June 30,
	2021		2022
Other information
Operating cash flows from finance leases	$	140	$	106
Operating cash flows from operating leases	$	106	$	791
Financing cash flows from finance leases	$	624	$	501

~~At September~~The aggregate weighted average remaining lease term was 2.34 years on finance leases and 9.0 years on operating leases as of June 30, ~~2017, the present value~~2022. The aggregate weighted average discount rate was 9.42% on finance leases and 12.0% on operating leases as of ~~minimum lease payments due within one year was $304,585.~~

On September 15, 2017, and as amended on October 17, 2017, the Company executed an equipment financing commitment with a third-party lender for total proceeds to the Company of $150,848, which was funded by the lender on November 2, 2017. Under the terms of the amended equipment financing agreement, which was accounted for as a sale-leaseback transaction, fixed assets previously purchased by the Company with aggregate gross and net book values of approximately $167,000 and $156,000, respectively, were granted as a security interest to the third-party lender, with the principal balance plus annual interest of 10.24% to be repaid in 36 equal monthly installments through November 2020 for a total of $175,814.June 30, 2022.

The Company ~~maintains~~has two equity incentive plans: ~~the~~The Amended and Restated 2013 Equity Incentive Plan, or the 2013 Plan, and the 2007 Equity Incentive Plan, or the 2007 Plan. The 2013 Plan includes a provision that shares available for grant under the Company’s 2007 ~~Plan~~plan become available for issuance under the 2013 Plan and are no longer available for issuance under the 2007 Plan. On July 25, 2016, the Company’s Board of Directors approved an amendment to the 2013 Plan to reserve 333,333 shares of the Company’s common stock exclusively for the grant of stock awards to employees who have not previously been an employee or director of the Company, except following a bona fide period of non-employment, as an inducement material to the individual’s entering into employment with the Company, as defined under applicable Nasdaq Listing Rules.

At the Company’s annual meeting of stockholders held on ~~May 2, 2017,~~July 16, 2021, the Company’s stockholders approved amendments to the 2013 Plan, which included an increase in the number of non-inducement shares of common stock authorized for issuance under the 2013 Plan by ~~2,500,000. As~~1,300,000 shares.On February 14, 2022 and March 22, 2022, the board of ~~September 30, 2017, under all plans, a total~~directors approved an increase of ~~3,522,955 non-inducement~~1,000,000 and 500,000 shares, ~~were~~respectively, in the inducement shares of common stock authorized for issuance 2,712,157 non-inducement stock options and restricted stock units, or RSUs, were issued and outstanding, and 638,487 non-inducement shares were available for grant. As of September 30, 2017, a total of 333,333 inducement shares were authorized for issuance, 133,049 inducement stock options and RSUs were issued and outstanding, and 175,284 inducement shares were available for grant under the 2013 Plan.

A summary of stock option activity for the ~~nine~~six months ended ~~September~~June 30, ~~2017~~2022 is as follows:

The intrinsic values of options outstanding, ~~at December 31, 2016~~options exercisable, and ~~September 30, 2017 were zero and $5,507, respectively, and the intrinsic value of~~ options vested and unvested expected to vest at ~~September~~December 31, 2021 and June 30, ~~2017 was $4,951. The total weighted-average grant date fair value of the 229,501 stock options that vested during the nine months ended September 30, 2017 was $5.40.~~2022 were each $610 and $0, respectively.

The assumptions used in the Black-Scholes pricing model for stock options granted during the ~~nine~~six months ended ~~September~~June 30, ~~2017~~2022 were as follows:

Using the assumptions described above, with stock and exercise prices being equal on date of grant, the weighted-average estimated fair value of options granted in the nine months ended September 30, 2017 was $1.03 per share.

On August 31, 2015, the Company’s Board of Directors approved the issuance of 33,333 performance stock options with an estimated grant date fair value of $4.40 per share and an exercise price of $6.03 per share to its Chief Executive Officer, or CEO, pursuant to the 2013 Plan. On February 29, 2016, the Company’s Board of Directors approved the issuance of 33,333 performance stock options with an estimated grant date fair value of $2.87 per share and an exercise price of $4.02 per share to its CEO pursuant to the 2013 Plan. Vesting of these stock options was based on the Company’s achievement of specified objectives by December 31, 2016 as determined by the Company’s Board of Directors or the Compensation Committee of the Board of Directors. During the nine months ended September 30, 2017, 6,333 of the performance stock options granted on August 31, 2015 and 10,000 of the performance stock options granted on February 29, 2016 were declared vested by the Company’s Board of Directors, and the remaining 50,333 shares underlying these awards were forfeited.

On July 25, 2016, the Company entered into an employment agreement with its new Chief Financial Officer, Senior Vice President of Operations and Secretary, or CFO. Pursuant to the terms of this employment agreement, on July 29, 2016 the CFO was granted inducement stock option awards with an exercise price of $1.95 per share to purchase up to (i) 66,666 shares of the Company’s common stock with an estimated grant date fair value of $1.45 per share, 25% of which vested on the one-year anniversary of the commencement of the CFO’s employment with the Company, and remainder of which vest in equal monthly amounts over the following three years, and (ii) 33,333 shares of the Company’s common stock with an estimated grant date fair value of $1.26 per share, which vested upon the Company’s achievement of specified corporate goals for 2016 and the consummation of a specified financing transaction. During the nine months ended September 30, 2017, 16,383 shares of the performance option award granted on July 29, 2016 were declared vested by the Company’s Board of Directors, and the remaining 16,950 shares underlying this award were forfeited.

On May 2, 2017, the Company’s Board of Directors approved the issuance of an aggregate of 550,000 performance stock options to be granted on May 31, 2017 to certain of the Company’s employees and all of its executive officers pursuant to the 2013 Plan, of which 200,000 performance stock options were granted to the Company’s CEO, 100,000 performance stock options were granted to its CFO, and 75,000 performance stock options were granted to each of its Chief Scientific Officer, Senior Vice President and Senior Medical Director, Senior Vice President. Each performance stock option granted on May 31, 2017 has an exercise price of $1.50 per share, an estimated grant date fair value of $0.99 per share, and is subject to vesting as determined by the Company’s Board of Directors based on the achievement of specified corporate goals for 2017, provided that none shall vest unless a minimum level of 70% of the Company’s corporate goals for 2017 are achieved, as follows:

~~A summary of RSU activity for the nine months ended September 30, 2017 is as follows:~~

At September 30, 2017, the intrinsic values of RSUs outstanding and RSUs unvested and expected to vest were $443,932 and $370,747, respectively. Of the 360,920 RSUs outstanding at September 30, 2017, 10,920 are fully vested. On July 6, 2016, the Compensation Committee of the Company’s Board of Directors approved retention RSUs for an aggregate of 58,332 shares of common stock to three of the Company’s executive officers pursuant to the 2013 Plan, including retention RSUs for 25,000 shares of common stock to its CEO. Each of these retention RSUs has a grant date fair value of $1.86 per share for a grant date fair value of $108,498 to all three officers, in aggregate. These retention RSUs vested fully on the one-year anniversary of the date of grant, and were subject to continuing service by the holders of such RSUs. Pursuant to the terms of the Company’s employment agreement with its CFO dated July 25, 2016, the CFO was granted an inducement RSU award on July 29, 2016 covering 25,000 shares of the Company’s common stock with a grant date fair value of $1.95 per share, 100% of which vested on the one-year anniversary of the commencement of the CFO’s employment with the Company.

On May 2, 2017, the Company’s Board of Directors approved the issuance of an aggregate of 175,000 time-based RSUs and 175,000 performance RSUs to be granted on May 31, 2017 to certain of the Company’s employees and all of its executive officers pursuant to the 2013 Plan, of which 50,000 time-based RSUs and 25,000 performance RSUs were granted to its CEO, and 25,000 time-based RSUs and 25,000 performance RSUs were granted to each other executive officer. Each RSU granted on May 31, 2017 has a grant date fair value of $1.50 per share. Vesting of the time-based RSUs granted on May 31, 2017 is subject to continuing service and occurs on the one year anniversary of the vesting commencement date, or May 2, 2018, while the performance RSUs are subject to continuous service and vesting is as determined by the Company’s Board of Directors based on the achievement of specified corporate goals for 2017, provided that none shall vest unless a minimum level of 70% of the Company’s corporate goals for 2017 are achieved, as follows:

The following table presents the effects of stock-based compensation related to equity awards to employees and nonemployees on the unaudited condensed statements of operations and comprehensive loss during the periods ~~presented:~~presented (in thousands):

For the three months ended

For the nine months ended

September 30,

September 30,

2016

2017

2016

2017

Stock Options

Cost of revenues
$
34,119

$
59,720

$
89,606

$
133,105

Research and development expenses

28,189

53,405

87,153

121,834

General and administrative expenses

292,381

178,671

829,516

528,406

Sales and marketing expenses

51,924

40,181

91,164

100,327

Total expenses related to stock options

406,613

331,977

1,097,439

883,672

RSUs

Cost of revenues

14,918

20,417

16,834

58,717

Research and development expenses

14,131

20,418

15,583

57,490

General and administrative expenses

6,668

74,521

7,676

160,927

Sales and marketing expenses

22,939

28,355

27,447

71,343

Total stock-based compensation
$
465,269

$
475,688

$
1,164,979

$
1,232,149

~~Stock-based compensation expense was recorded net of estimated forfeitures of 0% - 8% per annum during the nine months ended September 30, 2016 and 2017.~~

As of ~~September~~June 30, ~~2017,~~2022, total unrecognized ~~stock-based~~share-based compensation expense related to unvested stock options, ~~and RSUs,~~ adjusted for estimated forfeitures, was ~~approximately $2,128,000~~$5.3 million and is expected to be recognized over a weighted-average period of approximately ~~2.3~~2.81 years.

A summary of equity-classified common stock warrant activity for the ~~nine~~six months ended ~~September~~June 30, ~~2017~~2022 is as follows:

						Average						Average
				Weighted		Remaining				Weighted		Remaining
	Number of			Average Exercise		Contractual		Number of		Average Exercise		Contractual
	Shares			Price Per Share		Term in Years		Shares		Price Per Share		Term in Years
Outstanding at December 31, 2016		11,623,957		$	1.93		4.6
Outstanding at December 31, 2021									857,261	$	31.73		2.2
Issued		3,594,639		$	2.10				—	$	—		—
Exercised		(6,816,850	)	$	1.10				—	$	—		—
Expired		—			—				—	$	—		—
Outstanding at September 30, 2017		8,401,746		$	2.68		4.2
Outstanding at June 30, 2022									857,261	$	31.73		1.7

All warrants outstanding at ~~September~~December 31, 2021 and June 30, ~~2017~~2022 are ~~exercisable, except for the 2,160,000~~exercisable. The outstanding warrants ~~issued on March 31, 2017, which first became exercisable for a five-year period commencing on October 1, 2017.~~ have expiration dates ranging from August 2022 to July 2025.

The intrinsic value of equity-classified common stock warrants outstanding at ~~September~~December 31, 2021 and June 30, ~~2017~~2022 was ~~$378,337.~~$16,000 and $0, respectively.

Basic and diluted net ~~loss~~income (loss) per common share is determined by dividing net loss applicable to common shareholders by the weighted-average common shares outstanding during the period. ~~Because~~

For the six months ended June 30, 2021, there is net income attributable to common shareholders and, as a result, 256,461 warrants and 582 options in the money were included in the calculation of dilutive weighted average shares. As these shares were in the money at June 30, 2021, an additional 215,449 shares were included in the calculation of diluted net income per share.

For the six months ended June 30, 2022, there is a net loss attributable to common shareholders, ~~for the three and-nine months ended September 30, 2016 and 2017,~~ the outstanding ~~RSUs,~~ warrants and common stock options have been excluded from the calculation of diluted loss per common share because their effect would be anti-dilutive. ~~Therefore, the weighted-average shares used to calculate both basic and diluted loss per share are the same.~~

On September 29, 2016, the Company effected a one-for-three reverse stock split of all common shares outstanding. The calculation of weighted-average shares outstanding has been adjusted for this reverse stock split as if it had occurred on December 31, 2015.

The following potentially dilutive securities have been excluded from the computations of diluted weighted-average shares outstanding for the periods presented, as they would be anti-dilutive:

In the normal course of business, the Company may be involved in legal proceedings or threatened legal proceedings. The Company is not party to any legal proceedings or aware of any threatened legal proceedings except as provided in the paragraph below, and except for those proceedings that are not expected to have a material adverse effect on ~~its~~the Company’s financial condition, results of operations or liquidity.

The Company was in mediation with former employees regarding disputed claims for certain sales commissions. Although the Company ~~signed a firm, non-cancelable, and unconditional commitment~~was not in ~~an aggregate amount of $1,062,500~~agreement with a vendor to purchase certain inventory items, payable in minimum quarterly amounts of $62,500 through May 2020. At September 30, 2017, a balance of $625,000 remained outstanding under this purchase commitment.

~~Payments totaling $328,117 for future sales tax and maintenance obligations associated with financed equipment were outstanding at September 30, 2017, which are expensed as incurred (see Note 7).~~

~~On September 15, 2017, and as amended on October 17, 2017,~~their interpretations or claims, the Company ~~executed an equipment financing commitment with a third-party lender for total proceeds~~entered into settlement negotiations related to the ~~Company of $150,848, under which the financing commitment~~disputed commissions. The matter was ~~funded by the lender on November 2, 2017 (see Note 7).~~resolved in June 2022 for approximately $1.7 million and was recorded within sales and marketing expense.

A former member of the Company’s management is the controlling person of Aegea Biotechnologies, Inc., or Aegea. On September 2, 2012, the Company entered into an Assignment and Exclusive Cross-License Agreement, or the Cross-License Agreement, with Aegea. The Company received payments totaling ~~$19,047~~approximately $36,000 and ~~$15,325~~$49,000 during the ~~year~~years ended December 31, ~~2016~~2020 and ~~the nine months ended September 30, 2017,~~2021, respectively, from Aegea as reimbursements for shared patent costs under the Cross-License Agreement.

~~Pursuant to a sublease agreement dated March 30, 2015,~~ On December 11, 2019, the Company ~~subleased 9,849 square feet, plus free use~~entered into a First Amendment to Assignment and Exclusive Cross-License Agreement with Aegea pursuant to which the Company obtained a royalty bearing license for a certain patent. On May 22, 2022, the Company entered into a Second Amendment to Assignment and Exclusive Cross-License Agreement with Aegea pursuant to which the Company obtained a royalty-free license for a certain patent and Aegea obtained certain patents. The Company agreed to pay Aegea, effective January 1, 2019, a royalty of ~~an additional area, of its San Diego facility to an entity affiliated with~~10% on the Company’s ~~non-executive Chairman for $12,804 per month, with a refundable security deposit~~sale of ~~$12,804 received from~~research use only, or RUO, and import research use only reagents and kits in the ~~subtenant. The initial term~~field of oncology, where the sample types are tissue, whole blood, bone marrow, cerebrospinal fluid or derivatives of any of the ~~sublease expired on July~~foregoing. As of December 31, ~~2015,~~2021 and ~~was subject to renewal on a month-to-month basis thereafter. On February 1, 2017,~~June 30, 2022, no royalties have been accrued by the Company ~~received notice from the subtenant terminating the sublease effective March~~for royalty expenses related to this arrangement.

On August 31, 2017. During the three months ended September 30, 2017, the total amount of the $12,804 security deposit previously received from the subtenant was applied against approximately $16,000 in additional rents owed as a result of the subtenant continuing to occupy the subleased areas beyond March 31, 2017, and the balance of approximately $3,200 due to2022, the Company ~~was waived. A total of $115,236 and $51,216 in rental income was recorded~~granted inducement stock options to ~~other income/(expense) in the Company’s unaudited condensed statements of operations and comprehensive loss during the nine months ended September 30, 2016 and 2017, respectively.~~

~~Three members of the Company’s Board of Directors participated in its public offering in May 2016, purchasing~~purchase an aggregate of ~~58,335~~89,550 shares of its common stock to 12 new employees. The inducement stock options have a grant date of August 31, 2022, and were granted as inducements material to the new employees entering into employment with Biocept in accordance with Nasdaq List Rule 5635(c)(4). The inducement stock options have an exercise price of $1.03 per share, the closing price of the Company’s common stock on August 31, 2022, are non-qualified stock options, have a ten-year term and ~~warrants to purchase up to an aggregate~~vest over four years, with 25% of ~~40,832~~the shares vesting on the one-year anniversary of ~~its common stock for total gross proceeds~~the vesting commencement date and the remaining 75% of the shares vesting in equal monthly installments over the 36 months, subject to the ~~Company of $175,000. Additionally, a trust affiliated~~new employees’ continued service with Claire K.T. Reiss, who at the time was the beneficial owner of more than 10% of the Company’s outstanding common stock, participated in the Company’s public offering in May 2016, purchasing 204,758 shares of its common stock and warrants to purchase up to 143,330 shares of its common stock for total gross proceeds to the Company ~~of $614,273.~~through the applicable vesting dates.

Seven members of the Company’s Board of Directors, including its CEO, and all three of the Company’s other executive officers participated in the Company’s public offering in October 2016, purchasing an aggregate of 534,088 shares of common stock and warrants to purchase up to an aggregate of 534,088 shares of common stock for total gross proceeds to the Company of $587,497. Additionally, a trust affiliated with Claire K.T. Reiss, who at the time was the beneficial owner of more than 10% of the Company’s

outstanding common stock, participated in the Company’s public offering in October 2016, purchasing 227,272 shares of its common stock and warrants to purchase up 227,272 shares of its common stock for total gross proceeds to the Company of $249,999. Further, several of the Company’s employees and one of its consultants participated in the Company’s public offering in October 2016, purchasing an aggregate of 79,090 shares of its common stock and warrants to purchase up to an aggregate of 79,090 shares of its common stock for total aggregate gross proceeds to the Company of $86,999.

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

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with our unaudited condensed financial statements and related notes included in this Quarterly Report on Form 10-Q and the audited financial statements and notes thereto as of and for the year ended December 31, ~~2016~~2021 and the related Management’s Discussion and Analysis of Financial Condition and Results of Operations, both of which are contained in our Annual Report on Form 10-K for the year ended December 31, ~~2016,~~2021, filed with the Securities and Exchange Commission, or SEC, on ~~March 28, 2017.~~April 5, 2022. Past operating results are not necessarily indicative of results that may occur in future periods.

We are ~~an early stage~~a molecular oncology diagnostics company that develops and commercializes proprietary clinical diagnostic laboratory assays designed to identify rare tumor cells and cell-free tumor DNA from blood and cerebrospinal fluid, or CSF. The identification of tumor cells and cell-free tumor DNA in CSF has become our principal development focus following our early commercial expansion into CSF in 2020. This product was branded and trademarked as CNSide^TM in April 2021.

The identification of circulating tumor ~~cell,~~cells, or ~~CTC,~~CTCs, and circulating cell-free tumor DNA and RNA, or ctDNA ~~assays utilizing~~and ctRNA, deriving from solid tumors such as breast cancer or lung cancer using a standard blood sample orhas been described as a “liquid biopsy.” This term reflects the ease with which peripheral blood can be drawn compared to performing a surgical biopsy, but this technology is not limited to a peripheral blood approach.

In January 2020, we adapted and validated our proprietary blood-based liquid biopsy technology for commercial and clinical research use in CSF to identify tumor cells that have metastasized to the central nervous system, or CNS, in patients with advanced lung cancer or breast cancer. CNSide has been designed to improve the clinical management of patients with suspected metastatic cancer involving the CNS by enabling the quantitative analysis and molecular characterization of tumor cells and ctDNA and ctRNA in the CSF. Since then, we have worked extensively with leading neuro-oncologists and other cancer experts to further define and characterize the use of this unique assay.

Our ~~current~~efforts have culminated in the presentation of our early clinical experience at several leading academic forums, including most recently the Society of Neuro-Oncology, or SNO, Brain Metastases meeting in August 2021, as well as the Annual SNO meeting in November 2021, the San Antonio Breast Cancer Symposium, or SABCS, in December 2021 and ~~planned assays~~the American Academy of Neurology in April 2022. We believe these presentations have illustrated the feasibility of this assay to inform three critical questions important for the care of patients with suspected or confirmed metastatic cancer involving the CNS: Is there tumor (diagnosis)? Is there target (presence of a biomarker to aid treatment selection)? Is there trend (a response to therapy)?

The question “Is there tumor?” is essential for the diagnostic work-up of these patients. Tumor cells in the blood can shed from either primary or metastatic tumors. They can be rapidly removed in the capillary beds of the spleen, liver, kidneys, lungs and other organs, so they are rarely found. They are the defining feature of metastasis to the leptomeningeal space within the CNS and hence define the presence or absence of leptomeningeal metastasis, or LM. To distinguish tumor cells derived from CSF and blood we often refer to tumor cells in CSF as CSF Tumor Cells, or CSFTCs, rather than CTCs.

Regarding the second clinical question, “Is there target?” our CNSide assay provides a vehicle for several different diagnostic assay profiles which combined with our molecular test menu and next generation sequencing (NGS) services can identify tumor cell biomarkers that are intended to ~~provide information~~help physicians make decisions related to ~~aid healthcare providers to identify specific oncogenic alterations~~the evolution or course of metastatic tumor that may ~~qualify~~inform treatment decisions. Cancer cells typically acquire genetic alterations which differ from that of normal cells. Metastatic cancers often acquire additional genetic alterations which distinguish them from the primary tumor site. This marked genetic variation between areas of tumor growth is termed “genetic heterogeneity,” and findings related to this were featured in our SABCS presentation in December 2021 illustrating the value of CNSide in identifying “genetic heterogeneity” of a subset of cancer patients for targeted therapy at diagnosis, progression or for monitoring in order to identify specific resistance mechanisms. Often, traditional methodologies such as tissue biopsies are insufficient or unavailable to providetargetable biomarker called HER2.

Finally, regarding the ~~molecular subtype information necessary for~~third clinical ~~decisions. Our assays~~question, “Is there trend?” over the past year we have gained considerable experience with cases that have been sampled multiple times over the ~~potential to provide more contemporaneous information on the characteristics~~course of a patient’s ~~disease compared~~treatment. The association of quantitative CSF tumor cell counts with ~~traditional methodologies~~response to treatment has been noted in both lung and breast cancer, as well as other tumors examined. In August 2021, at the SNO Brain Metastases meeting, we presented data obtained from a single institution experience showing how serial monitoring of CSFTCs by CNSide was used to determine the response to treatment in patients with Non-Small Cell Lung Cancer having LM. In addition, in November 2021 at SNO, we presented the early findings of several patients with breast cancer having LM which had been followed with multiple CSF samples drawn at different time points on each patient. The downward progression of tumor cell counts has been noted by several treating physicians to correlate with response to treatment and resolution of symptoms. Serial monitoring of genetic alterations present in CSF tumor cells may create opportunities to change the therapy of certain patients throughout treatment. These

observations presented in abstracts and poster presentations in 2021 have informed our clinical study strategy which is the basis for our 2022 efforts to further explore these observations in a prospective clinical trial.

Our first CNSide multi-center prospective clinical trial, named FORESEE (NCT05414123) is now enrolling patients at one site in Los Angeles, CA. The trial’s primary outcome measure will assess the impact of CNSide on treatment decisions, a step that we anticipate will open-up the possibility for CNSide to be included in the NCCN guidelines as a tool for diagnosis characterization and monitoring of Leptomeningeal Disease. With the help of a leading oncology Clinical Research Organization, we have established the infrastructure for the trial and are now in the process of opening other clinical sites (in additional U.S. cities) where patients with Breast or Non-Small Cell Lung Cancer who have suspicious or confirmed Leptomeningeal Metastases (LM) will be enrolled. We anticipate enrolling the first patient in the study in the fourth quarter of 2022.

Following the full commercial launch of CNSide, we submitted an initial application for Breakthrough Device Designation to the FDA in the second quarter of 2021. That initial submission was denied, and we do not intend to pursue this designation further.

In June 2020, to respond to a national public health emergency precipitated by the COVID-19 pandemic, we introduced molecular testing for SARS-CoV2, the virus responsible for COVID-19, using a United States Food and Drug Administration, or FDA, Emergency Use Authorization, or EUA, based “RT-PCR” method developed by Thermo-Fisher.

Since launch of our COVID-19 testing program, we have performed more than 1,000,000 assays for customers. We have primarily marketed our COVID-19 testing services to skilled nursing facilities in the western United States and to certain community colleges within California.

Our COVID-19 testing services were responsible for most of our revenues during the quarters ended June 30, 2021 and 2022 making up 99% and 93%, respectively. However, as a result of increased vaccination and immunization levels, as well as decreased COVID-19 hospitalizations, reported cases and mandatory COVID-19 testing, we are currently seeing reduced demand for our COVID-19 testing services and expect this trend to continue. We do not anticipate COVID-19 testing revenue beyond December 2022, absent a sustained, negative turn in the course of the pandemic.

In March 2022, the U.S. Health Resources and Services Administration, or HRSA, informed providers that, after March 22, 2022, it would stop accepting claims for testing and treatment for uninsured individuals under the HRSA COVID-19 Uninsured Program and that claims submitted prior to that date would be subject to eligibility and availability of funds. As of June 30, 2022, less than 10% of our net accounts receivable was associated with claims for reimbursement for COVID-19 testing of uninsured individuals. Although we believe that our estimates for implicit price concessions are appropriate, actual results could differ from those estimates. For further details on revenue and receivables, see Note 1 to the unaudited condensed financial statements.

In addition to CNSide, our current blood-based testing includes our Target Selector^TM technologies which enable detection of specific gene mutations, such as ~~tissue biopsy~~EGFR, KRAS or BRAF, in ctDNA from blood and ~~radiographic imaging. Additionally, commencing~~CSF samples. Recently, after a thorough business review, we have decided to discontinue certain unprofitable blood-based molecular testing services including certain Target Selector offerings. We anticipate this action and the consequent staff reductions will help to reduce our future operating expenses. We also offer, and received MolDx reimbursement approval for, certain specific protein and gene alterations, such as HER2 amplification, in ~~October 2017,~~CTCs isolated from blood and CSF. We continue to offer these HER2 based tests as they are an important aspect of our ~~pathology program initiative~~CNSide offering. We will also continue to provide certain other blood-based testing services for biopharma partners and to support investigator-initiated studies involving CNSide. We believe our multi-modality combination of a proprietary cell capture and analysis method in combination with an extensive menu of molecular testing modalities that includes immunocytochemistry (ICC), florescent in situ hybridization (FISH), PCR testing and NGS testing provides us with the ~~unique ability for pathologists~~necessary tools to ~~participate~~service a broad range of diagnostic applications in patients with neurological metastatic cancers. We continue to seek other diagnostic modalities that may benefit the ~~interpretation of liquid biopsy results,~~neuro-oncology patients and is available to pathology practices and hospital systems throughout the United States. Further, our proprietary blood collection tubes, which allow for the intact transport of liquid biopsy samples fortheir caregivers

In January 2019, we began offering research use only, or RUO, ~~from regions around the world, are anticipated to be sold to laboratory supply distributor(s) commencing in 2018.~~

~~Our current assays and our planned future assays focus on key solid tumor indications utilizing our Target-Selector~~^TMliquid biopsy ~~technology platform~~kits containing our patented and proprietary ctDNA Target Selector molecular (PCR-based) testing for ~~the biomarker analysis of CTCs~~certain specific cancer genes to laboratories and ~~ctDNA from a standard blood sample. Our patented Target-Selector CTC offering is based on~~researchers worldwide. In March 2020, we released an internally developed microfluidics-based cell capture and analysis platform, with enabling features that change how CTC testing is used by clinicians. Our patent pending Target-Selector ctDNA technology enables mutation detection with enhanced sensitivity and specificity, and is applicable to nucleic acid from ctDNA or otherupdate for our RUO EGFR Target Selector Kit which expanded the sample types ~~such as CTCs, bone marrow,~~validated to include both ctDNA in peripheral blood and formalin-fixed paraffin-embedded, or ~~cerebrospinal fluid. Our Target-Selector CTC~~FFPE. In March 2020, we also released a RUO BRAF Target Selector assay kitvalidated for both ctDNA and ~~ctDNA platforms provide both biomarker detection as well as monitoring capabilities, and require only~~FFPE. Recently, after a ~~patient blood sample. We believe that our Target-Selector platform technology has the potential~~thorough business review, we have decided to ~~be developed and commercialized as~~discontinue this unprofitable service line in ~~vitro diagnostic (IVD) test kits, and we are currently pursuing this option.~~order to focus resources on CNSide clinical evidence development.

At our corporate headquarters facility located in San Diego, California, we operate a clinical laboratory that is ~~certified under the Clinical Laboratory Improvement Amendments of 1988, or CLIA,~~CLIA-certified, CAP accredited and ~~accredited~~licensed by the ~~College~~California Department of ~~American Pathologists, or CAP. We also performed research and development that led to our current assays, and~~Public Health. In this facility we also ~~intend to perform research~~develop novel assays that are part of our project pipeline for future commercial launch and ~~development for planned assays, at this facility. In addition,~~ we manufacture our microfluidic channels ~~related equipment~~ and various assay reagents and products used in our testing processes. We also work closely with external manufacturers to outsource certain ~~reagents.~~ products such as collection tubes and to manufacture items that we intend to use in the near future to reduce costs and improve efficiency.

The assays we offer and intend to offer are classified as CLIA laboratory developed tests, or LDTs, under CLIA regulations. CLIA certification and state licensure in California and certain other states under the supervision of a qualified laboratory medical director is required before any clinical laboratory, including ours, may perform testing on human specimens for the purpose of obtaining information for the diagnosis, prevention, or treatment of disease or the assessment of health. In addition, we participate in and have received CAP accreditation, which includes rigorous bi-annual laboratory inspections and requires adherence to specific quality standards.

Our primary sales strategy is to engage neuro-oncologists, oncologists and other physicians in the United States at private and group practices, hospitals, laboratories and cancer centers to educate them about our unique products and services. In addition, we market our clinical trial and research services to pharmaceutical and biopharmaceutical companies and clinical research organizations. We also market and sell molecular assay kits which enable laboratories other than Biocept to perform our testing in house. Sales of these kits began in the first quarter of 2019.

~~providing clinical testing that~~We plan to grow our business by directly offering our CNSide and Target Selector liquid biopsy CSFTC and molecular assays to neuro-oncologists, oncologists ~~pathologists~~ and other physicians ~~use in order to determine the best treatment plan for their patients;~~

We have commercialized our Target-Selector assays for a number of solid tumor indications such as: breast cancer, non-small cell lung cancer, or NSCLC, small cell lung cancer, or SCLC, gastric cancer, colorectal cancer, prostate cancer, and melanoma. These assays utilize our dual CTC and ctDNA technology platforms and provide biomarker analysis from a patient’s blood sample.

In the case of our breast and gastric cancer offerings, biomarker analysis involves fluorescence in situ hybridization, or FISH, for the detection and quantitation of the human epidermal growth factor receptor 2, or HER2, gene copy numberdata, as well as ~~immunocytochemical, or ICC, analysis of estrogen receptor, or ER, protein, progesterone receptor, or PR, protein,~~discussions with our key collaborators, we believe that our planned future assays, particularly those related to CSF, should provide important information and ~~androgen receptor, or AR, protein, which are currently commercially available. A patient’s HER2 status provides the physician with information~~clinical value to physicians.

We believe our ability to rapidly translate insights about the ~~appropriateness~~utility of ~~therapies such as Herceptin~~^® ~~or Tykerb~~^®~~. ER~~cytogenetic, immunocytochemical and ~~PR status provides~~molecular biomarkers to provide information to neuro-oncologists, oncologists and other physicians for treatment decisions in the ~~physician with information about the appropriateness of endocrine therapies such as tamoxifen~~clinical setting will improve patient treatment and ~~aromatase inhibitors.~~

~~Our lung cancer biomarker analysis offering currently includes FISH testing for ALK, ROS1, RET, MET~~management and ~~FGFR1 gene rearrangements, as well as analysis for the T790M, Deletion 19, and L858R mutations~~that these assays will become a key component of the ~~epidermal growth factor receptor, or EGFR gene, as well as BRAF, KRAS and NRAS. The L858R mutation~~standard of ~~the EGFR gene and Exon 19 deletions as activators of EGFR kinase activity are associated with the use of the drugs Tarceva~~^®~~, Gilotrif~~^® ~~and Iressa~~^®~~. For lung~~care for personalized cancer we also offer a resistance profile assay consisting of the biomarkers MET, HER2 (both of which we perform using our technology for CTCs), KRAS, and T790M (both of which are performed using ctDNA in plasma). These assays can be used by physicians to identify the mechanism causing disease progression for patients with NSCLC who are being treated with tyrosine kinase inhibitor, or TKI, therapy and therefore may qualify patients for inclusion in a clinical trial. In November 2015, Tagrisso^® ~~was approved by the U.S. Food and Drug Administration, or FDA, providing another biomarker-based therapy for the treatment of patients with EGFR-related lung cancer. Tagrisso~~^® is indicated for the treatment of patients with metastatic disease, who have progressed on or after EGFR TKI therapy, and who have acquired a T790M resistance mutation. Recently, the FDA approved the combination of Novartis' Tafinlar^® ~~(dabrafenib) and Mekinist~~^® (trametinib) for the treatment of patients with metastatic NSCLC whose tumors express the BRAF V600E mutation, an FDA “breakthrough therapy” designation for patients who have received prior chemotherapy. This combination was approved in Europe for the same indication in March 2017. BRAF mutations, which appear in approximately 1-3% of NSCLC cases globally, are associated with Zelboraf^® ~~and Tafinlar~~^® ~~treatment, as these BRAF inhibitors are both approved for the treatment of patients with melanoma.~~

In September 2017, we launched our assay for mutations of the NRAS oncogene, which can be used to detect and monitor an actionable biomarker associated with multiple cancer types such as metastatic melanoma, colorectal and lung cancer. As a result, we now offer 15 CLIA-certified liquid biopsy tests utilizing our Target-Selector platform to determine the status of key cancer biomarkers listed in the National Comprehensive Cancer Network Guidelines^®~~. Our NRAS assay combines our proprietary switch blocker technology for improved mutation detection with next generation sequencing, resulting in ultra-high sensitivity.~~

Fibroblast growth receptor 1, or FGFR1, amplification is offered using our CTC technology. FGFR1 is present in several tumor types, including both NSCLC and SCLC and has been shown to be a prognostic indicator of progression. FGFR1 is also a key target for several drugs undergoing clinical development.

We analytically validated PD-L1 testing utilizing our CTC technology in 2016. PD-L1 is a biomarker that is informative for immuno-oncology therapies currently marketed for lung cancer and melanoma, as well as therapies in development for multiple tumor types. We collaborated with David Rimm, M.D., Ph.D., a pathologist at Yale Medical School and a scientific advisor to us, on the analytical development of this assay.

We plan to release additional blood-based biomarker assays, such as those that test for ESR1, to our current menu of liquid biopsy assays using blood samples. In addition, we plan to complete the development and offer multiplexed biomarker tests, which will allow the detection and quantitative monitoring of multiple biomarkers in a single assay.

In August 2017, we announced that we had executed a distribution agreement for our proprietary blood collection tubes with VWR International, LLC which can preserve intact cells (such as CTCs) for up to 96 hours and ctDNA for up to 8 days, allowing for the intact transport of RUO liquid biopsy samples from regions around the world.

In October 2017, we launched our Pathology Partnership initiative, expanding access of our proprietary liquid biopsy testing to community pathologists and hospitals throughout the United States. The aim of this program is to incorporate community pathologists into the review of biomarkers found in liquid biopsy for patients diagnosed with cancer. Pathologists are now enabled to interpret our liquid biopsy results locally, while patient specimens will continue to be sent to us for processing in our CLIA-certified, CAP-accredited high complexity laboratory.

We continue to execute on our strategies intended to expand our business globally, as well as to engage with pharmaceutical companies on clinical trials and assay development. We have preferred provider agreements in place in Mexico with Quest Diagnostics to support testing for a large pharmaceutical company partner. In addition, we have distribution agreements in place in Mexico, Uruguay, Turkey, the Czech Republic, the Philippines, Lebanon, Columbia, Israel and Canada.

During 2016, we announced three pharmaceutical collaborations. The first agreement provides testing for a clinical trial that includes patients who have leptomeningeal disease or metastatic lung cancer in the brain. In this exploratory trial, we are testing both cerebral spinal fluid and blood for molecular alterations that could be impacted by treatment. The second agreement is a milestone-based assay development project focused on hepatocellular carcinoma, or liver cancer, whereby we intend to develop assays utilizing both our CTC and ctDNA technologies for clinical trials. The third collaboration involves a study presented at the European Society for

Medical Oncology, or ESMO, Annual Congress in October 2016, evaluating the detection of EGFR alterations (del19, L858R and T790M) by our Target-Selector liquid biopsy. Subsequent to this study, we have earned business in both Mexico and Columbia for EGFR testing in blood to qualify patients for the pharmaceutical company’s targeted therapy.

In March 2017, we announced a collaboration with Catalyst Pharmaceuticals for the provision of our Target-Selector platform to screen patients diagnosed with Lambert Eaton Myasthenic Syndrome, or LEMS, for early onset or recurrence of SCLC. Under this agreement, our liquid biopsy tests will be offered by Catalyst Pharmaceuticals at no cost to all patients enrolled in its ongoing Phase III clinical trial designed to demonstrate the safety and efficacy of Firdapse® (amifampridine phosphate) for the treatment of LEMS. Catalyst Pharmaceuticals will pay us for tests ordered and utilized as part of the agreement. Patients in the Phase III clinical trial will also have access to our liquid biopsy testing in the long-term extension study phase of the trial allowing for testing every six months for up to two years to monitor for early signals of SCLC.

In April 2017, we announced our entry into a preferred provider collaboration and services agreement with Oregon Health & Sciences University on behalf of the OHSU Knight Cancer Institute, or collectively OHSU. The multiphase agreement grants OHSU the rights to commercially offer our Target-Selector liquid biopsy testing services exclusively throughout the state of Oregon. Additionally, we and OHSU plan to engage in technology transfer, whereby OHSU will have the ability to use Target-Selector assays in-house, and act as a secondary laboratory for our research and testing activities. We and OHSU also plan to co-develop additional liquid biopsy assay technologies and platform capabilities including highly sensitive, multiplexed assay panels for molecular biomarker detection and assessment. Additional research and development and commercial pilot projects are anticipated under the agreement.

In May 2017, we announced jointly with the Addario Lung Cancer Medical Institute, or ALCMI, entry into a clinical collaboration and initiation of the ALCMI-009 liquid biopsy clinical trial. This large-scale trial was developed, and will be conducted, by ALCMI and its consortium of leading U.S. and international oncology centers. The prospective, multi-center study, which plans to enroll 400 patients, will utilize our Target-Selector testing platform and services to detect and assess cancer biomarkers found in both CTCs and ctDNA from the blood of patients with lung cancer.

In August 2017, we entered into a clinical study agreement with the University of Texas Southwestern Medical Center. Led by recognized oncologist and ALK alteration researcher, Dr. Saad Khan, the study is designed to evaluate the clinical utility of our Target-Selector platform for patients diagnosed with ALK-positive NSCLC and treated with ALK-inhibitor therapy. A second arm of the study will evaluate patients with rare cancers such as anaplastic thyroid cancer to determine if driver mutations such as ALK rearrangements can be identified and treated with targeted therapy to improve patient outcomes.

In October 2017, we entered into a promotion and marketing agreement with Miraca Life Sciences, Inc., or Miraca Life Sciences, to market our Target-Selector liquid biopsy tests and services to community-based oncologists and hematologists in specified sales territories in the United States. Based on the agreement, Miraca Life Sciences’ sales professionals will promote our liquid biopsy tests to both their existing and new clinician clients in the designated sales territories, with the potential to expand the agreement to additional territories in the future. All tests will be performed in our CLIA-certified CAP-accredited laboratory.

In ~~January 2017, we announced that we had secured an in-network provider agreement with Blue Cross Blue Shield of Texas, the largest provider of health benefits in Texas.~~ ~~In addition, we entered into a national master business agreement with the Blue Cross Blue Shield Association, a not-for-profit trade association that provides multiple services for its~~ ~~38-member Blue Cross and Blue Shield health plan companies across the U.S.,~~ ~~including forming~~ ~~national strategic vendor partnerships~~. We were selected by the Blue Cross Blue Shield Association based on a rigorous request-for-proposal progress. This agreement establishes pricing for our Target-Selector liquid biopsy testing service through the Blue Cross Blue Shield Association’s group purchasing organization, CareSourcing Workgroup. The pricing offered by the CareSourcing Workgroup group purchasing organization is available to those Blue Cross and Blue Shield member health plans that have, or may seek, in-network agreements with us.

~~In June 2017,~~March 2022, we entered into a participating provider agreement with ~~MediNcrease Health Plans, LLC and a preferred provider agreement with Scripps Health Plan Services, Inc., both establishing pricing for our Target-Selector liquid biopsy~~Kaiser Permanente to specifically provide COVID-19 testing ~~service.~~services.

We are currently contracted with ~~nine~~seven preferred provider organization networks, ~~two~~three large health plans, and ~~five~~three regional independent physician associations, and expect to continue to gain contracts ~~in order~~ to be considered as an “in-network” provider with additional plans.

We are working internally and ~~Technology~~with collaborators from our industry and our client-base to establish appropriate NGS panels (or a single panel) for characterization of patient ctDNA from the supernatant associated with the CSF samples utilized in our CNSide testing. These panels help clinicians to characterize their patient’s disease and potentially identify appropriate therapies for their metastatic cancer patients.

The COVID-19 pandemic continues to evolve, and the extent to which COVID-19 may impact our business will depend on future developments, which are highly uncertain and cannot be predicted with confidence, such as the ultimate geographic spread of the disease,

the duration of any outbreaks, travel restrictions and social distancing in the United States and other countries, government-funding forCOVID-19 testing, business closures or business disruptions, and the effectiveness of actions taken in the United States and other countries to contain and treat the disease. We are continuing to vigilantly monitor the situation with our primary focus on the health and safety of our employees and clients.

Our overall long-term growth plan depends on our ability to continue to develop and commercialize products and assays through our CLIA-certified, CAP-accredited, and state-licensed laboratory. We have ~~issued patents with broad claims covering~~commercialized our ~~blood collection tube, antibody cocktail approach, microchannel,~~CNSide and ~~CTC detection methodologies.~~Target Selector assays for breast cancer, non-small cell lung cancer, or NSCLC, gastric cancer, colorectal cancer, prostate cancer, pancreaticobiliary cancer, and ovarian cancer. Our sales strategy is to engage medical oncologists, neuro-oncologists, surgical oncologists, urologists, pulmonologists, pathologists and other physicians in the United States at private and group practices, hospitals and cancer centers. We also plan to continue to evaluate potential opportunities for the commercialization of our products and assays in other countries. Additionally, sales of our proprietary SCTs which allow for the intact transport of liquid biopsy samples for research use only, or RUO, from regions around the world, commenced during 2018. In addition to ~~issuance~~testing for physicians and their patients, we offer clinical trials testing and research services to help increase the efficiency and economic viability of ~~patents~~clinical trials for pharmaceutical and biopharmaceutical companies and clinical research organizations both within and outside of the United States. We are currently exploring the possibility of introducing ctDNA technology outside the United States as part of IVD test kits and/or testing systems utilizing our Target Selector technologies. We plan to continue to cooperate with partners on accessing markets internationally either through partnerships with local groups and distributors or through the development of IVDs and/or test systems, including instrumentation. We also have a research and development program focused on technology enhancements, novel platform development, and evaluating clinical applications for our cancer diagnostic tests in different cancer types and clinical settings.

To facilitate market adoption of our products and assays, we anticipate having to successfully complete additional clinical utility studies with clinical samples to generate clinical utility data and then publish our results in peer-reviewed scientific journals. Our ability to complete such clinical studies is dependent upon our ability to leverage our collaborative relationships with leading institutions to facilitate our research, to conduct the appropriate clinical studies and to obtain favorable clinical data. We currently collaborate with key thought leaders, physicians and clinical researchers across the country, including those at Sarah Cannon Research Institute, University of Colorado, Northwestern University Lurie Cancer Center, Stanford University, Penn State University, University of California, San Diego, St John’s Cancer Institute at Santa Monica (formerly John Wayne Cancer Institute), Columbia University, Emory University, Johns Hopkins Medical Institute, University of Texas Southwestern Medical Center, Yale University, Ohio State University, Vanderbilt University, Georgetown University and many others and plan to expand our collaborative relationships to include other key thought leaders at other institutions for the cancer types we target with our Target Selector commercialized assays and our planned future assays, as well as for our current and planned future products. Such relationships help us develop and validate the effectiveness and utility of our products, commercialized assays and our planned future assays in specific, clinical settings and provide us access to patient samples and data.

We believe that the factors discussed in the ~~U.S.~~following paragraphs have had and are expected to continue to have a material impact on our results of operations and financial condition.

We bill third-party payers on a fee-for-service basis at our list price and third-party commercial revenue is recorded net of contractual discounts, payer-specific allowances and other reserves. Our development services revenues are supported by contractual agreements and generated from assay development services provided to entities, as well as certain other diagnostic services provided to physicians. Diagnostic services are completed upon the delivery of assay results to the prescribing physician, at which time we bill for the service.

them to pay any portion of the cost of the tests in the event that they have ~~patents~~not met their annual deductible limit under their insurance policy, if any, or if their insurance otherwise declines to reimburse us. Adjustments to the estimated payment amounts are recorded at the time of final collection and settlement of each transaction as an adjustment to net revenue.

We classify our costs and expenses into four categories: cost of revenues, research and development, sales and marketing, and general and administrative. Our costs and expenses principally consist of facility costs and overhead, personnel costs, outside services and consulting costs, laboratory consumables, development costs, and legal fees.

Cost of Revenues. Our cost of revenues consists principally of facility costs and overhead, personnel costs, and laboratory and manufacturing supplies and materials. We are pursuing various strategies to reduce and control our cost of revenues, including automating aspects of our processes, developing more efficient technology and methods, and attempting to negotiate improved terms and volume discounts with our suppliers.

Research and Development Expenses. We incur research and development expenses principally in connection with our efforts to develop and improve our tests. Our primary research and development expenses consist of direct personnel costs, laboratory equipment and consumables, and overhead expenses. We anticipate that research and development expenses will increase in the near-term, principally to develop and validate tests in our pipeline and to perform work associated with clinical utility studies and development collaborations. In addition, we expect that our costs related to collaborations with research and academic institutions will increase. All research and development expenses are charged to operations in the periods in which they are incurred.

Sales and Marketing Expenses. Our sales and marketing expenses consist principally of personnel and related overhead costs for our ~~proprietary microchannel in China, Korea, Europe, Hong Kong,~~sales team and ~~Japan,~~their support personnel, travel and ~~for our antibody cocktail in Australia, Europe, and Japan. Our patent estate continues to~~

evolve, and in addition to the broad patent estate around our CTC platform, we expect issuances of multiple patents for our novel switch blocker technology in the near future, solidifying our proprietary enrichment methodology for detecting ctDNA with very high sensitivity. Our CTC platform patents were filed from 2005 through 2012, and we expect to have patent protection into the 2030’s. Our patents and applications cover not only cancer as a target, but also prenatalentertainment expenses, and other ~~rare cells~~selling costs including sales collaterals and trade shows. We expect that as our revenues grow, our sales and marketing expenses will increase proportionately.

General and Administrative Expenses. General and administrative expenses consist principally of ~~interest. Recently allowed patents in~~personnel-related expenses, professional fees, such as legal, accounting and business consultants, insurance costs, and other general expenses. We expect that our general and administrative expenses will remain relatively flat for the ~~U.S. cover the capture of “any target of interest on any solid surface” using our antibody capture approach. The patent for our proprietary specimen collection tubes expire in 2031.~~

~~As of October 2017, we owned 20 issued patents~~foreseeable future. We further expect that general and ~~26 patents pending related~~administrative expenses will increase due to ~~our current technologies. Of these, 7 are issued~~increased information technology, legal, insurance, accounting and 5 are pending patents in the U.S., while 13 are issued and 22 are pending patents in non-U.S. territories. Separately, we also own 7 issued patents related to our earlier microarray and cell analysis technology.financial reporting expenses associated with expanded commercial activities.

Three ~~Months Ended September~~months ended June 30, ~~2016~~2021 and ~~2017~~2022

The following table sets forth certain information concerning our results of operations for the periods ~~shown:~~shown (dollars in thousands):

	Three months ended September 30,						Change						For the Three Months Ended June 30,						Change
	2016			2017			$			%			2021			2022			$			%
(dollars in thousands)

Net revenues	$	1,047		$	1,111		$	64			6	%	$	12,047		$	10,611		$	(1,436	)		(12	%)
Cost of revenues		1,876			2,487			611			33	%		7,462			8,023			561			8	%
Research and development expenses		601			857			256			43	%		1,137			1,729			592			52	%
General and administrative expenses		1,919			1,834			(85	)		(4	%)		3,251			4,300			1,049			32	%
Sales and marketing expenses		1,278			1,676			398			31	%		1,945			1,656			(289	)		(15	%)
Loss from operations		(4,627	)		(5,743	)		(1,116	)		24	%		(1,748	)		(5,097	)		(3,349	)		192	%
Interest expense		(154	)		(88	)		66			(43	%)		(80	)		(155	)		(75	)		94	%
Other income		38			13			(25	)		(66	%)
Loss before income taxes		(4,743	)		(5,818	)		(1,075	)		23	%		(1,828	)		(5,252	)		(3,424	)		187	%
Income tax expense		—			(3	)		(3	)		0	%		—			—			—			—
Net loss	$	(4,743	)	$	(5,821	)	$	(1,078	)		23	%	$	(1,828	)	$	(5,252	)	$	(3,424	)		187	%

Net revenues ~~were approximately $1,111,000~~ for the ~~three months ended September 30, 2017, compared with approximately $1,047,000~~second quarter of 2022 consisted of commercial test revenue of $10.6 million, which included $9.8 million in RT-PCR COVID-19 test revenue. Excluding a $1.1 million increase in reserves for aged accounts receivables in the ~~same period in 2016, an increase~~second quarter of ~~$64,000, or 6%. Of the $1,111,000 of~~2021 that reduced net revenues, recognized during the three months ended September 30, 2017, $1,009,000 related to revenues recognized on an accrual basis, while $102,000 related to revenues recognized upon the receipt of cash, as compared to the same period in 2016 when $72,000 of revenues were ~~recognized on an accrual basis~~$13.1 million and $975,000 of revenues were recognized upon the receipt of cash. During the three months ended March 31, 2017, we converted from cash-based revenue recognition for our commercial revenues to accrual-based revenue recognition. As a result of the change to accrual-based revenue recognition, we recognized incremental revenue of $125,000 during the three months ended September 30, 2017, which represents the total amount of net revenue recordedincluded $12.0 million in excess of the amount of commercial cash collections. Cash collections on commercial cases increased $119,000 during the three months ended September 30, 2017 compared to the same period in 2016, after considering an estimated $175,000 in collections received during the three months ended September 30, 2016 that had been delayed until improvements in billing and collection timeliness and effectiveness were implemented, whereby total cash collections on commercial cases were $919,000 during the three months ended September 30, 2017 as compared to $975,000 during the same period in 2016, a net decrease of $56,000. Additionally, there was a $5,000 decrease in development services revenues during the three months ended September 30, 2017 as compared to the same period in 2016.RT-PCR COVID-19 test revenue.

These results reflect the impact on sales and volume from the hurricanes in Texas and Florida, as well as the earthquake in Mexico City, all of which occurred during the three months ended September 30, 2017. In addition, there were 2 less sales days in three months ended September 30, 2017 as compared to the same period in 2016. We believe these factors negatively impacted our reported volume during the three months ended September 30, 2017 by approximately 15 to 20%.

The net estimated revenue per commercial accession delivered ~~was approximately $945~~ during the three months ended ~~September~~June 30, ~~2017,~~2022 was $135, based on ~~997~~77,779 commercial accessions delivered, ~~and approximately $942,000~~while during the three months ended June 30, 2021 it was $115, based on 104,061 commercial accessions delivered. The increase in ~~corresponding~~net revenue per commercial ~~accrual-based revenues during that period.~~ accessions delivered was primarily due to higher payor reimbursement rates based on the payor-mix.

The following table sets forth certain information regarding commercial accessions received during the three months ended ~~September~~June 30, ~~2016~~2021 and ~~2017:~~2022:

Overall development revenues increased slightly compared with the same period in the prior year due to an increase in volume by Quest Diagnostics which resulted in our overall net revenue per accession to decrease as their rates were lower than the average. The following table sets forth certain information regarding development ~~services accessions~~cases delivered during the three months ended ~~September~~June 30, ~~2016~~2021 and ~~2017:~~2022:

Cost of Revenues.Cost of revenues was approximately ~~$2,487,000~~$8.0 million for the three months ended ~~September~~June 30, ~~2017,~~2022, compared with approximately ~~$1,876,000~~$7.5 million for the same period in 2021. The increase is primarily attributable to an increase in direct labor costs of $1.0 million in off-site staffing resources related to or RT-PCR COVID-19 testing business, offset by a decrease in direct materials of $0.4 million based on timing of purchases. Cost of revenues are comprised of, but not limited to, expenses related to personnel costs, materials, shipping, and other direct costs, as well as equipment depreciation and software amortization expenses. Our cost of revenues as a percentage of net revenues was 62% and 76% for the three months ended ~~September~~June 30, ~~2016, an increase of $611,000, or 33%~~2021 and 2022, respectively.

Research and Development Expenses.Research and development expenses were approximately $1.7 million for the three months ended June 30, 2022, compared with approximately $1.1 million for the same period in 2021. The increase ~~was~~ is primarily attributable to an increase of ~~$446,000~~$0.2 million in lab materials and supplies and $0.2 million in outside service for our FORESEE clinical trial. Research and development expenses are comprised of, but not limited to, personnel costs, material, shipping and ~~travel~~other direct costs, ~~mainly~~computer and laboratory equipment maintenance and facility related ~~to higher assay volume as the average number of full-time laboratory~~costs.

General and ~~manufacturing employees increased from an average of 25 full-time employees during~~Administrative Expenses. General and administrative expenses were approximately $4.3 million for the three months ended ~~September~~June 30, ~~2016 to 41 full-time employees~~2022, compared with approximately $3.3 million during the same period in ~~2017,~~2021. General and administrative expenses are comprised of, but not limited to, personnel costs, facilities, depreciation, repairs and maintenance costs, stock-based compensation expenses, patent and legal costs, accounting and audit fees, as ~~we created excess laboratory accession throughput capacity of approximately 31%~~well as ~~of September 30, 2017 in advance of an anticipated~~insurance, office and other expenses. The increase ~~in accession volumes resulting from our expanded sales force and pathology partnership initiative. Additionally, there was~~is predominately due to an increase of ~~$177,000~~$0.4 million in ~~depreciation expense, computer equipment, software amortization,~~legal fees associated with the sales commission settlement and ~~allocated information technology~~$0.2 million in audit and ~~facility charges as we implemented our pathology partnership initiative, invest~~accounting related fees.

Sales and Marketing Expenses. Sales and marketing expenses were approximately $1.7 million for the three months ended June 30, 2022, compared with approximately $1.9 million for the same period in ~~upgrading our laboratory equipment~~2021. Sales and ~~information system~~marketing expenses are comprised of, but not limited to, personnel costs, which include commissions, trade show and ~~maintaining our facility,~~other marketing related expenses, as well as ~~an increase of $55,000 in consulting~~office and other ~~third-party service provider costs associated~~costs. Sales and marketing expenses decreased primarily due to a reduction in commissions expense.

Interest Expenses. Interest expenses were approximately $155,000 for the three months ended June 30, 2022, compared with approximately $80,000 for the same period in 2021. The increase is primarily attributable to the interest portion of the sales commission settlement.

The following table sets forth certain information concerning our results of operations for the periods shown (dollars in thousands):

	For the Six Months Ended June 30,						Change
	2021			2022			$			%

Net revenues	$	29,803		$	30,555		$	752			3	%
Cost of revenues		16,468			18,358			1,890			11	%
Research and development expenses		2,179			3,579			1,400			64	%
General and administrative expenses		6,371			11,106			4,735			74	%
Sales and marketing expenses		3,868			5,316			1,448			37	%
(Loss) income from operations		917			(7,804	)		(8,721	)		(951	%)
Interest expense		(145	)		(217	)		(72	)		50	%
(Loss) income before income taxes		772			(8,021	)		(8,793	)		(1,139	%)
Income tax expense		—			—			—			0	%
Net (loss) income	$	772		$	(8,021	)	$	(8,793	)		(1,139	%)

Net revenues for the first six months of 2022 were $30.6 million, compared with $29.8 million for the first six months of 2021. Net revenues for the six months ended June 30, 2022, consisted of $28.4 million of RT-PCR COVID-19 testing revenue, $2.0 million of oncology testing revenue and $129,000 of development services revenue.

The net estimated revenue per commercial accession delivered during the six months ended June 30, 2022 was $132, based on 230,835 commercial accessions delivered, while during the six months ended June 30, 2021 it was $121, based on 245,401 commercial accessions delivered. The increase in net revenue per commercial accessions delivered was primarily due to higher ~~assay volume, were partially~~payor reimbursement rates based on the payor-mix.

The following table sets forth certain information regarding commercial accessions received during the six months ended June 30, 2021 and 2022:

Overall development revenue and the net revenue per accession was relatively consistent compared with the same period. The following table sets forth certain information regarding development cases delivered during the six months ended June 30, 2021 and 2022 :

Cost of Revenues.Cost of revenues was approximately $18.4 million for the six months ended June 30, 2022, compared with approximately $16.5 million for the same period in 2021. The increase is primarily attributable to $2.4 million of direct labor due to off-site staffing resources related to or RT-PCR COVID-19 testing business, offset by a decrease ~~associated with greater laboratory~~in purchases of RT-PCR COVID-19 testing kits. Cost of revenues are comprised of, but not limited to, expenses related to personnel costs, ~~charged to research~~materials, shipping, and ~~development~~other direct costs, as well as equipment depreciation and software amortization expenses. Our cost of ~~approximately $64,000.~~revenues as a percentage of net revenues was 60% and 55% for the six months ended June 30, 2022 and 2021, respectively.

Research and Development ~~Expenses.~~ Expenses. Research and development expenses were approximately ~~$857,000~~$3.6 million for the ~~three~~six months ended ~~September~~June 30, ~~2017,~~2022, compared with approximately ~~$601,000~~$2.2 million for the three months ended September 30, 2016, an increase of $256,000, or 43%. The increase was primarily attributable to an increase of $136,000 in higher personnel and travel costs as the average headcount in our research and development function increased to 13 full-time employees during the three months ended September 30, 2017 from 10 full-time employees during the same period in ~~2016, as we focus on the~~2021. Research and development expenses are comprised of, but not limited to, personnel costs, material, shipping and ~~deployment of next generation sequencing, support~~other direct costs, computer and ~~implementation of data-intensive~~ laboratory ~~processes,~~equipment maintenance and ~~new product validations. Additionally, there was a $64,000~~facility related costs. The increase is primarily due to costs associated with ~~greater laboratory costs charged to research and development during the three months ended September 30, 2017 as compared to the same period in 2016, $32,000~~our clinical trial, including $0.3 million in materials and ~~other costs associated with research~~supplies, $0.2 million in outside services, and ~~development activities,~~$0.1 million in sponsored research. Further, severance and ~~$24,000 in computer equipment, software~~stock-based compensation expense increased by approximately $0.2 million and ~~laboratory equipment preventative maintenance costs.~~$0.1 million, respectively, due to the termination of our former Chief Science Officer.

General and Administrative ~~Expenses.~~ Expenses. General and administrative expenses were approximately ~~$1,834,000~~$11.1 million for the ~~three~~six months ended ~~September~~June 30, ~~2017,~~2022, compared with approximately ~~$1,919,000 for the three months ended September 30, 2016, a decrease of $85,000, or 4%. The decrease was primarily~~ due to a decrease of $98,000 in third-party billing provider costs resulting from bringing our billing function in-house in April 2017, as well as decreases of $46,000 in stock-based compensation expense, $44,000 in legal patent costs, $29,000 in allocated facilities costs, and $23,000 in directors and officers insurance premiums. These decreases were partially offset by an increase of $92,000 in non-stock-based compensation personnel and travel costs as the average headcount included in the general and administrative function rose from 9 full-time employees during the three months ended September 30, 2016 to 14 full-time employees$6.4 million during the same period in ~~2017, primarily resulting from bringing our billing function in-house in April 2017,~~2021. General and administrative expenses are comprised of, but not limited to, personnel costs, facilities, depreciation, repairs and maintenance costs, stock-based compensation expenses, patent and legal costs, accountingand audit fees, as well as insurance, office and other expenses. The increase is predominately due to an increase in severance and stock-based compensation expenses of ~~$70,000~~approximately $1.0 million and $1.5 million, respectively, due to the resignation of our former Chief Financial Officer and Chief Executive Officer and complying with the terms of their separation agreements, which required, among other terms, payment of salary, annual bonus, COBRA premiums and an acceleration of stock options previously granted. Furthermore, audit and accounting fees increased by approximately $0.5 million due to additional internal control review services performed and an increase in fees for the year end audit and interim reviews. Legal expenses increased by approximately $0.9 million due to increased services for SEC filings as well as legal costs associated with the sales commission settlement and $0.5 million in consulting ~~and other third-party service provider costs supporting expanded commercial and strategic activities.~~services.

Sales and Marketing ~~Expenses.~~Expenses. Sales and marketing expenses were approximately ~~$1,676,000~~$5.3 million for the ~~three~~six months ended ~~September~~June 30, ~~2017,~~2022, compared with approximately ~~$1,278,000~~$3.9 million for the three months ended September 30, 2016, an increase of $398,000, or 31%. The increase was primarily attributable to an increase of $454,000 in personnel and travel costs as the average headcount included in the sales and marketing function rose from 15 full-time employees during the three months ended September 30, 2016 to 25 full-time employees during the same period in ~~2017 as we expanded our sales force,~~2021. Sales and marketing expenses are comprised of, but not limited to, personnel costs, which include commissions, trade show and other marketing related expenses, as well as ~~increases~~office and other costs. The increase is primarily due to an additional expense of $0.8 million associated with ~~expanded commercial activities~~the sales commission settlement as well as $0.3 million due to presentation materials and website updates.

Interest Expenses. Interest expenses were approximately $217,000 for the six months ended June 30, 2022 compared with approximately $145,000 for the same period in 2021, an increase of ~~$18,000 in marketing materials, trade show and conference costs and $15,000 in computer equipment and other office expenses, partially offset by a decrease~~$72,000, or 50%. The increase is primarily attributable to the interest portion of ~~$90,000 in third-party service provider and consulting costs.~~the sales commission settlement.

Over the past several years we have generated operating losses in all jurisdictions in which we may be subject to income taxes. As a result, we have accumulated significant net operating losses and other deferred tax assets. Because of our history of losses and the uncertainty as to the realization of those deferred tax assets, a full valuation allowance has been recognized. We do not expect to report a provision for income taxes until we have a history of earnings, if ever, that would support the realization of our deferred tax assets.

We have not completed a 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,, however, we believe multiple ownership changes likely ~~occurred during both 2015 and 2016~~. occurred. As a result, we have estimated that the use of our net operating loss is limited and the remaining net operating loss carryforwards and research and development credits we estimate can be used in the future remain fully offset by a valuation allowance to reduce the net asset to zero.

~~The following table sets forth certain information concerning our results of operations for the periods shown:~~

Nine months ended September 30,

Change

2016

2017

$

%

(dollars in thousands)

Net revenues
$
1,932

$
4,073

$
2,141

111
%
Cost of revenues

5,021

6,985

1,964

39
%
Research and development expenses

2,045

2,456

411

20
%
General and administrative expenses

4,923

5,539

616

13
%
Sales and marketing expenses

3,875

4,701

826

21
%
Loss from operations

(13,932
)

(15,608
)

(1,676
)

12
%
Interest expense

(393
)

(385
)

8

(2
%)
Other income

115

51

(64
)

(56
%)
Loss before income taxes

(14,210
)

(15,942
)

(1,732
)

12
%
Income tax expense

(2
)

(5
)

(3
)

2

Net loss
$
(14,212
)

$
(15,947
)

$
(1,735
)

12
%

Net revenues were approximately $4,073,000 for the nine months ended September 30, 2017, compared with approximately $1,932,000 for the same period in 2016, an increase of $2,141,000, or 111%. Of the $4,073,000 of revenues recognized during the nine months ended September 30, 2017, $2,915,000 related to revenues recognized on an accrual basis, while $1,158,000 related to revenues recognized upon the receipt of cash, as compared to the same period in 2016 when $170,000 of revenues were recognized on an accrual basis and $1,762,000 of revenues were recognized upon the receipt of cash. During the three months ended March 31, 2017, we converted from cash-based revenue recognition for our commercial revenues to accrual-based revenue recognition. As a result of the change to accrual-based revenue recognition, we recognized total nonrecurring revenue of $839,000 during the nine months ended September 30, 2017, which represents the estimated value of net accounts receivable at December 31, 2016 that was recognized as revenue in the current period presented, and the incremental revenue recorded as a result of the change was $1,042,000, which represents the total amount of net revenue recorded in excess of the amount of commercial cash collections.

Total cash collections for commercial cases were $2,820,000 during the nine months ended September 30, 2017 as compared to $1,762,000 during the same period in 2016, an increase of $1,058,000 owed primarily to improvements in billing and collection timeliness and effectiveness, as well as increases in accession volume and the expected value per accession received prior to and during the nine months ended September 30, 2017 as compared to the same period in 2016. The net estimated revenue per commercial accession delivered since converting from cash-based revenue recognition to accrual-based revenue recognition on March 31, 2017 and through September 30, 2017 was approximately $990, based on 1,998 commercial accessions delivered and approximately $1,978,000 in corresponding commercial accrual-based revenues during that period. The $1,042,000 in incremental net revenue recognized was primarily related to an increase in the expected value per accession received prior to and during the nine months ended September 30, 2017 as compared to the same period in 2016, as well as the increasing commercial case volumes received, as follows:

Additionally, there was a $41,000 increase in development services revenues during the nine months ended September 30, 2017 as compared to the same period in 2016, which was primarily related to increasing development services case volumes delivered, as follows:

~~Cost of Revenues.~~ Cost of revenues was approximately $6,985,000 for the nine months ended September 30, 2017, compared with approximately $5,021,000 for the nine months ended September 30, 2016, an increase of $1,964,000, or 39%. The increase was primarily attributable to an increase of $1,287,000 in personnel and travel costs mainly related to higher assay volume as the average number of full-time laboratory and manufacturing employees increased from 24 full-time employees during the nine months ended September 30, 2016 to 39 full-time employees during the same period in 2017, as we created excess laboratory accession throughput capacity of approximately 31% as of September 30, 2017 in advance of an anticipated increase in accession volumes resulting from our expanded sales force and pathology partnership initiative. Additionally, there was an increase of $436,000 in depreciation expense, computer equipment, software amortization, and allocated information technology and facility charges as we implemented our pathology partnership initiative, invest in upgrading our laboratory equipment and information system and maintaining our facility, as well as increases of $147,000 in materials, shipping and other direct costs and $105,000 in third-party service provider and consulting costs associated with higher assay volume.

~~Research and Development Expenses.~~ Research and development expenses were approximately $2,456,000 for the nine months ended September 30, 2017, compared with approximately $2,045,000 for the nine months ended September 30, 2016, an increase of $411,000, or 20%. The increase was primarily attributable to an increase of $245,000 in higher personnel and travel costs as the average headcount in our research and development function increased to 12 full-time employees during the nine months ended September 30, 2017 from 10 full-time employees during the same period in 2016, as we focus on the development and deployment of next generation sequencing, support and implementation of data-intensive laboratory processes, and new product validations. Additionally, there were increases of $93,000 in materials and other costs associated with research and development activities during the three months ended September 30, 2017 as compared to the same period in 2016, $40,000 in computer equipment, software and laboratory equipment preventative maintenance costs, and $23,000 in allocated facilities charges.

~~General and Administrative Expenses.~~ General and administrative expenses were approximately $5,539,000 for the nine months ended September 30, 2017, compared with approximately $4,923,000 for the nine months ended September 30, 2016, an increase of $616,000, or 13%. The increase was primarily due to an increase of $628,000 in non-stock-based compensation personnel costs and travel expenses as the average headcount included in the general and administrative function rose from 8 full-time employees during the nine months ended September 30, 2016 to 12 full-time employees during the same period in 2017, primarily resulting from bringing our billing function in-house in April 2017. Additionally, there was an increase of $226,000 in third-party service provider and consulting fees associated with increased commercial and strategic activities and our expanded investor relations function during the nine months ended September 30, 2017, an increase of $64,000 in computer equipment, office expenses, and other general and administrative costs associated with increased commercial and strategic activities, as well as an increase of $40,000 in legal and independent accountant and audit fees, which were partially offset by decreases of $148,000 in stock-based compensation expense, $134,000 in directors and officers insurance costs, and $52,000 in third-party billing provider costs resulting from bringing our billing function in-house in April 2017.

~~Sales and Marketing Expenses.~~ Sales and marketing expenses were approximately $4,701,000 for the nine months ended September 30, 2017, compared with approximately $3,875,000 for the nine months ended September 30, 2016, an increase of $826,000, or 21%. The increase was primarily attributable to an increase of $807,000 in personnel and travel costs as the average headcount included in the sales and marketing function rose from 15 full-time employees during the nine months ended September 30, 2016 to 21 full-time employees during the same period in 2017 as we expanded our sales force, an increase of $72,000 in computer equipment, allocated information technology costs, shipping and other office expenses associated with expanded commercial activities, as well as an increase of $43,000 in marketing materials, trade show and conference costs, which were partially offset by a decrease of $96,000 in third-party service provider and consulting fees.

uncertainty as to the realization of those deferred tax assets, a full valuation allowance has been recognized. We do not expect to report a provision for income taxes until we have a history of earnings, if ever, that would support the realization of our deferred tax assets.

We have not completed a 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~~, however, we believe ownership changes likely occurred during both 2015 and 2016~~. As a result, we have estimated that the use of our net operating loss is limited and the remaining net operating loss carryforwards and research and development credits we estimate can be used in the future remain fully offset by a valuation allowance to reduce the net asset to zero.

We are actively working to improve our financial position and enable the growth of our business, by raising new capital and generating revenues. Our COVID-19 testing volumes and related revenues have allowed us to accumulate $22.9 million of cash on hand as of June 30, 2022

Our net cash flow from operating, investing and financing activities for the periods below were as ~~follows:~~follows (dollars in thousands):

~~Cash Used in~~ Operating Activities. Net cash used in operating activities was ~~$13.9~~approximately $5.0 million for the ~~nine~~six months ended ~~September~~June 30, ~~2017,~~2022, compared towith net cash provided by operating activities of approximately $2.8 million for the same period in 2021. The change in cash used in ~~operating activities of $11.3 million for nine months ended September 30, 2016.~~ ~~The net increase of $2.6 million in cash used~~operations was primarily related to our net loss in operations of $8.0 million. Exclusive of our non-cash transactions such as depreciation, amortization and stock-based compensation, cash used in operations was $1.2 million, primarily due to a decrease in cash resulting from an increase of ~~$1.7~~accounts receivable of $3.6 million, a decrease in cash ~~used~~resulting from a decrease in accounts payable of $2.9 million, primarily related to ~~fund our net loss, as well~~accounting, audit, and legal fees. Further a decrease in cash as a ~~net decrease~~result of ~~$1.1 million~~the sales commission settlement of $1.7 million. This was offset by an increase in cash ~~provided by operating assets and liabilities, partially offset by a $0.2 million~~resulting from an increase in ~~non-cash depreciation and amortization, inventory reserve, interest and stock-based compensation expenses.~~our payor liability of $5.7 million.

~~Cash Used in~~ Investing Activities. Net cash used in investing activities ofwas approximately ~~$1,055,000 and $391,000 during~~$0.3 million for the ~~nine~~six months ended ~~September~~June 30, ~~2017 and 2016, respectively,~~2022, compared with approximately $0.8 million in the same period in 2021. Cash used in investing activities was related to purchases of ~~fixed assets.~~property and equipment in both periods.

~~Cash Provided by~~ Financing Activities. Net cash ~~provided by~~used in financing activities was ~~$16.2~~approximately $0.7 million for the ~~nine~~six months ended ~~September~~June 30, ~~2017,~~2022, compared towith net cash provided by financing activities of ~~$3.5~~approximately $3.1 million for the ~~nine~~same period in 2021. Our primary outflows of cash from financing activities during the six months ended ~~September~~June 30, ~~2016.~~ 2022 consisted of $0.2 million of supplier financing payments and $0.5 million of finance lease payments for equipment used in our laboratory operations. This is offset by net cash proceeds of $0.1 million from issuance of common stock from our at-the-market equity facility. Our primary sources of cash from financing activities during the ~~nine~~six months ended ~~September~~June 30, ~~2017~~2021 consisted of ~~$8.6 million and $2.0~~$3.9 million in net proceeds from our offerings in March 2017 and August 2017, respectively, as well as proceeds of $7.5 million from the exercise of common stock warrants sold in our offering in October 2016, which were partially offset by $1.9 million of principal payments made on indebtedness. Our primary sources of cash from financing activities during the nine months ended September 30, 2016 related to $4.3 million in net proceeds from our offering in May 2016 as well as $0.5 million in net proceeds received from the sale of common stock ~~to Aspire Capital, which were~~from our at-the-market equity facility, partially offset by ~~$1.3~~$0.6 million of ~~principal~~ payments ~~made on indebtedness.~~related to finance leases for equipment used in our laboratory operations, and $0.2 million of payments related to supplier and other third-party financing transactions.

We expect to continue to incur substantial operating losses in the future. ~~It may take several years to achieve positive operational cash flow or we may not ever achieve positive operational cash flow.~~ We expect that we will use the net proceeds from our sale of equity securities, if any, cash received from the licensing of our technology, if any, and our revenues from operations to hire sales and marketing personnel, support increased sales and marketing activities, fund further research and development, clinical utility studies and future enhancements of our assays, acquire equipment, implement automation and scale our capabilities to prepare for significant assay volume, for general corporate purposes and to fund ongoing operations and the expansion of our business, including the increased costs associated with expanded commercial activities. We may also use the net proceeds from our sale of equity securities, if any, cash received from the licensing of our technology, if any, and our revenues from operations to acquire or invest in businesses, technologies, services or products, although we do not have any current plans to do so.

As of September 30, 2017, our cash totaled $5.9 million, and our outstanding net indebtedness totaled $3.3 million. While we currently are in the commercialization stage of operations, we have not yet achieved profitability and anticipate that we will continue to incur net losses for the foreseeable future. Management expects that we will need additional financing to execute on our current or future business strategies beyond December 2017.

Subsequent to the closing of a follow-on offering in February 2015, cash proceeds of approximately $9.8 million have been received from the exercise of warrants sold in that offering, while approximately $2.7 million in gross warrant proceeds remain outstanding and available to be exercised at $4.68 per share until their expiration in February 2020.

In May ~~2015, the SEC~~2020, our shelf registration on Form S-3 was declared effective ~~a shelf registration statement filed~~ by ~~us.~~the SEC. The shelf registration statement allows us to issue any combination of our common stock, preferred stock, debt securities and warrants from time to time for an aggregate initial offering price of up to ~~$50~~$100.0 million. Our shelf registration statement on Form S-3 will be unavailable upon our filing of our Annual Report on Form 10-K for the year ending December 31, 2022 and we will not be able to file a new Form S-3 until, at the earliest, September 1, 2023.

In May 2021, we entered into the Sales Agreement with the Sales Agent, under which we may issue and sell from time to time up to $25.0 million ~~subject~~of our common stock through or to ~~certain limitations for so long~~the Sales Agent, as sales agent or principal. Sales of our ~~public float~~common stock under the Sales Agreement are made at market prices by any method that is ~~less than $75 million. Pursuant~~deemed to be an ~~exclusive placement agent agreement dated April 25, 2016 between us and H.C. Wainwright & Co., LLC, or Wainwright, and a securities purchase agreement dated April 29, 2016 between us and~~“at the ~~purchasers signatory thereto,~~market offering” as defined in Rule 415(a)(4) under the Securities Act of 1933, as amended. During 2021, we received ~~approximately $4.3~~net proceeds of $14.1 million ~~of net cash proceeds upon~~from the sale of our common stock and warrants to purchase our common stock. Subsequent to the closing of this offering on May 4, 2016, no warrants sold in this offering have been exercised, with approximately $4.5 million in gross warrant proceeds remaining outstanding and available to be exercised at $3.90 per share until their expiration in May 2021. Pursuant to an exclusive placement agent agreement dated March 28, 2017 between us and Roth Capital Partners, LLC as lead placement agent, and WestPark Capital and Chardan Capital as co-placement agents, a securities purchase agreement for an offering of 4,320,000issued 3,428,680 shares of our common stock ~~was effected under this registration statement~~ at a ~~per share~~weighted average purchase price of $2.15. In a concurrent private placement, we sold unregistered warrants to purchase up to an aggregate of 2,160,000 shares of our common stock that closed concurrently with the offering common stock sold$4.31 pursuant to this shelf registration statement, of which none have been subsequently exercised. All warrants sold in this offering have a per share exercise price of $2.50 and expire on October 1, 2022. The closing of the ~~sale of these securities to~~Sales Agreement. During the purchasers occurred on March 31, 2017, when we received approximately $8.6 million of net cash proceeds. In connection with the closing of this offering, we have agreed to certain contractual terms that limit our ability to issue variable rate securities for a period of one year following the closing of this offering, with certain exceptions. The specific terms of additional future offerings, if any, under this shelf registration statement would be established at the time of such offerings.

~~On October 19, 2016,~~six months ended June 30, 2022, we received net ~~cash~~ proceeds of approximately $9.0 million as a result of the closing of a follow-on public offering. Subsequent to the closing of this offering on October 19, 2016, the offering’s underwriters exercised their overallotment option to purchase 627,131 option warrants for total proceeds of $564. Subsequent to the closing of this offering, approximately $7.5 million of additional cash proceeds had been received$94,000 from the exercise of warrants sold in this offering, with approximately $3.2 million in gross warrant proceeds remaining outstanding and available to be exercised at $1.10 per share until their expiration in October 2021.

~~Pursuant to a common stock and warrant purchase agreement dated August 9, 2017, we received net cash proceeds of approximately $2.0 million as a result of~~ the sale of our common stock and ~~warrants. Subsequent~~issued 72,707 shares of our common stock at a weighted average price of $1.74 pursuant to the ~~closing~~Sales Agreement. As of ~~this offering, no additional~~June 30, 2022, $10.1 million of our common stock remained available for sale under the Sales Agreement.

As of June 30, 2022, our cash ~~proceeds had been received~~totaled $22.9 million. The COVID-19 testing revenue during 2021 has provided us with increased levels of cash inflows from operations. However, we are currently seeing reduced demand for our COVID-19 testing services and do not anticipate COVID-19 testing revenue beyond December 2022, absent a sustained, negative turn in the ~~exercise~~course of ~~warrants sold in this offering, with approximately $2.2 million in gross warrant proceeds remaining outstanding~~the pandemic. Accordingly, management performed the review required for going concern accounting and ~~available to be exercised at $1.50 per share until their expiration in August 2022.~~

~~We expect that we will need additional financing to execute on our current or future business strategies. Until we can generate significant cash from operations, including assay revenues, we expect~~does not believe the Company presently has sufficient liquidity to continue to ~~fund~~operate for the next twelve months after the filing of this Quarterly report on Form 10-Q. The COVID-19 pandemic continues to evolve, and the extent to which COVID-19 may impact the Company’s business will depend on future developments, including whether the number of cases continues to decrease, the potential emergence of new variants, and testing policies of governments, businesses, and schools.

The Company does not anticipate it will be profitable until it has commercial expansion of its proprietary clinical diagnostic laboratory assays designed to identify rare tumor cells from cerebrospinal fluid, trademarked as CNSide. Accordingly, management performed the review required for going concern accounting and does not believe the Company presently has sufficient liquidity to continue to operate for the next twelve months after the filing of this Quarterly report on Form 10-Q. Management intends to continue its efforts to contain costs and to raise additional capital until it ultimately generates sufficient cash to support operations ~~with the proceeds~~ from ~~offerings of our equity securities or debt, or transactions involving product development, technology licensing or collaboration. For example, we~~commercial sales.

We have an effective shelf registration statement on file with the SEC which allows us to issue any combination of our common stock, preferred stock, debt securities and warrants from time to time, subject to certain restrictions that apply for so long as our public float is less than $75 million. In connection with our offering in March 2017, we have agreed to certain contractual terms that limit our ability to issue variable rate securities for a period of one year, subject to certain exceptions. The specific terms of additional future offerings, if any, underbut this shelf registration ~~statement would be established at~~will become unavailable to us upon the ~~time~~filing of ~~such offerings.~~our annual report on Form 10-K for the year ending December 31, 2022. We can provide no assurances that any sources of a sufficient amount of financing will be available to us on favorable terms, if at all. If we are unable to raise a sufficient amount of financing in a timely manner, we would likely need to scale back our general and administrative activities and certain of our research and development activities. Our forecast pertaining to our current financial resources and the costs to support our general and administrative and research and development activities are forward-looking statements and involve risks and uncertainties. Actual results could vary materially and negatively as a result of a number of factors, including:

To fund our current and planned operations in the ~~costs of additional general~~short-term (within the next 12 months) and ~~administrative personnel, including accounting and finance, legal and human resources, as a result of becoming a public company;~~

~~We may~~ raise additional capital ~~to fund our current operations and to fund expansion of our business to meet our long-term business objectives~~ through public or private equity offerings, debt financings, borrowings or strategic partnerships coupled with an investment in our company or a combination thereof. If we raise additional funds through the issuance of convertible debt securities, or other debt securities, these securities could be secured and could have rights senior to those of our common stock. In addition, any new debt incurred by us could impose covenants that restrict our operations. The issuance of any new equity securities will also dilute the interest of our current stockholders. Given the risks associated with our business, including our unprofitable operating history and our ability or inability to develop additional assays, additional capital may not be available when needed on acceptable terms, or at all. There is no assurance that we will be able to raise adequate funds when needed or on favorable terms. If adequate funds are not available when needed, we will need to ~~curb~~delay, scale back or discontinue one or more product development programs, curtail our ~~expansion plans~~commercialization activities, significantly reduce expenses, sell assets (potentially at a discount to their fair value or ~~limit our research and development activities, which~~carrying value), enter into relationships with third parties to develop or commercialize products or technologies that we otherwise would have sought to develop or commercialize independently, pursue an acquisition of our company at a ~~material adverse impact~~price that may result in a significant loss on investment to our ~~business prospects and results~~stockholders, file for bankruptcy, seek other protection from creditors, or liquidate all of ~~operations.~~our assets.

~~We have not engaged in any off-balance sheet arrangements as defined in Item 303(a)(4) of Regulation S-K.~~

For a discussion of accounting policies that we consider critical to our business operations and understanding of our results of operations, and that affect the more significant judgments and estimates used in the preparation of our financial statements, please see the information listed ~~below, along with the information listed~~ in Part II, Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Critical Accounting Policies and Significant Judgments and Estimates” contained in our Annual Report on Form 10-K for the year ended December 31, ~~2016. Except as provided below, there~~2021. There have been no material changes to our critical accounting policies and estimates from the information provided in our Annual Report on Form 10-K for the year ended December 31, ~~2016.~~2021.

Our commercial revenues are generated from diagnostic services provided to physicians and billed to third-party insurance payers such as managed care organizations, Medicare and Medicaid and patients for any deductibles, coinsurance or copayments that may be due. We recognize revenue in accordance with the provision of ASC 954-605, Health Care Entities—Revenue Recognition, which requires that four basic criteria must be met prior to recognition of revenue: (1) persuasive evidence of an arrangement exists; (2) delivery has occurred and title and the risks and rewards of ownership have been transferred to the client or services have been rendered; (3) the price is fixed or determinable; and (4) collectability is reasonably assured. Commencing on March 31, 2017, we recognize commercial revenue related to billings for assays delivered and billed to Medicare and other third-party payers on an accrual basis when amounts that will ultimately be realized can be estimated upon delivery, whereby prior to March 31, 2017, we recognized revenues for our commercial diagnostic services on a cash basis as collected because the amounts ultimately expected to be received could not be estimated upon delivery due to insufficient collection history experience.

Our gross commercial revenues billed are subject to estimated deductions for such contractual discounts, payer-specific allowances and other reserves to arrive at reported net revenues, which relate to differences between amounts billed and corresponding amounts estimated to be subsequently collected. These third-party payer discounts and sales allowances are estimated based on a number of assumptions and factors, including historical payment trends, seasonality associated with the annual reset of patient deductible limits on January 1 of each year, and current and estimated future payments. Specifically, we maintain four such reserves: the reserve for contractual discounts, the reserve for aged non-patient receivables, the reserve for estimated patient receivables, and the reserve for other payer-specific sales allowances. The reserve for contractual discounts relates to discounts to gross amounts billed to Medicare and contracted third-party payers to arrive at the deemed “allowed expense" amount covered by that payer. Our contracted third-party commercial sales are recorded using an actual or contracted fee schedule at the time of sale, while estimated fee schedules are maintained for each non-contracted payer separately as part of other payer-specific sales allowances. Contractual discounts are

recorded at the transaction level at the time of sale based on a fee schedule that is maintained for each contracted third-party payer. We periodically adjust fee schedules for both contracted and non-contracted third-party payers based upon historical payment trends. The reserve for aged non-patient receivables reduces gross amounts billed to non-contracted third-party payers for amounts estimated to be collected according to the age of the outstanding balance. The reserve for estimated patient receivables reduces gross amounts billed to third-party payers for amounts estimated to be collected directly from individual patients, such as copayments, deductibles, or amounts otherwise designated as patient responsibility. The reserve for other payer-specific sales allowances relates to the amounts billed to non-contracted third-party payers that are estimated to not be covered by that specific payer’s coverage policies, as well as estimated necessary adjustments to gross amounts billed based on historical collection experience for a particular third-party payer unrelated to the age of outstanding balances.

The estimates of amounts that will ultimately be realized from commercial diagnostic services require significant judgment by management. Patients do not enter into direct agreements with us that commit them to pay any portion of the cost of the tests in the event that they have not met their annual deductible limit under their insurance policy, if any, or if their insurance otherwise declines to reimburse us. Adjustments to the estimated payment amounts are recorded at the time of final collection and settlement of each transaction as an adjustment to commercial revenue. The estimation process used to determine third-party payer discounts and sales allowance has been applied on a consistent basis since March 31, 2017, and no significant subsequent adjustments have been necessary to increase or decrease these discounts and allowances as a result of changes in underlying estimates.

~~Not applicable.~~We are not required to include the information contemplated by this Item 3 because we are a smaller reporting company.

We maintain disclosure controls and procedures that are designed to ensure that information required to be disclosed in our periodic and current reports that we file with the SEC 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 our principal executive officer and principal financial officer, as appropriate, to allow timely decisions regarding required disclosure. In designing and evaluating the disclosure controls and procedures, management recognized that any controls and procedures, no matter how well designed and operated, can provide only reasonable and not absolute assurance of achieving the desired control objectives. In reaching a reasonable level of assurance, management necessarily was required to apply its judgment in evaluating the cost-benefit relationship of possible controls and procedures. In addition, the design of any system of controls also is based in part upon certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions; over time, control may become inadequate because of changes in conditions, or the degree of compliance with policies or procedures may deteriorate. Because of the inherent limitations in a cost-effective control system, misstatements due to error or fraud may occur and not be detected.

~~As of September 30, 2017, we~~We carried out an evaluation, under the supervision and with the participation of our management, including our principal executive officer and principal financial officer, of the effectiveness of the design and operation of our disclosure controls and procedures, as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act. Based on this evaluation, our principal executive officer and principal financial officer concluded that our disclosure controls and procedures were not effective atas of June 30, 2022, due to the material weaknesses in internal control over financial reporting described below, which have not yet been fully remediated.

Our management is responsible for establishing and maintaining adequate internal control over financial reporting, as such term is defined in Exchange Act Rules 13a-15(f) and 15d-15(f). Because of its inherent limitations, internal control over financial reporting may not prevent or detect all misstatements. Therefore, even those systems determined to be effective can provide only reasonable assurance ~~level~~with respect to financial statement preparation and presentation.

Following the original issuance of our financial statements for the three and nine months ended September 30, 2021, included in our quarterly report on Form 10-Q, filed with the SEC on November 15, 2021, or the Original September 30, 2021 financial statements, we discovered that we had failed to accrue for, and reflect in the Original September 30, 2021 financial statements, certain expenses incurred during the third quarter of 2021 in the amount of approximately $1.1 million. This resulted in the restating of our financial statements as of for the nine months ended September 30, ~~2017. There~~2021 (the “Restatement”). We determined that our review control over the completeness and accuracy of our accounts payable did not operate effectively, resulting in a material error in the Original September 30, 2021 financial statements.

Our management concluded that our internal control over financial reporting was not effective as of June 30, 2022, based on the material weaknesses described below which were nodiscovered in connection with the Restatement and in connection with the preparation of our Annual Report on Form 10-K for the year ended December 31, 2021 and in connection with the preparation of our Quarterly Report on Form 10-Q as of and for the three month period ended March 31, 2022, which have not yet been remediated.

A material weakness, as defined in Rule 12b-2 under the Exchange Act, is a deficiency, or a combination of deficiencies, in internal control over financial reporting, such that there is a reasonable possibility that a material misstatement of a company’s annual or interim financial statements will not be prevented or detected on a timely basis.

An evaluation was also performed under the supervision and with the participation of our management, including our principal executive officer and principal financial officer, of any change in our internal control over financial reporting that occurred during our last fiscal quarter and that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting. That evaluation did not identify any changes in our internal control over financial reporting that occurred during the three and six months ended ~~September~~June 30, ~~2017~~2022, that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting. We are in the process of implementing certain remedial measures related to our material weaknesses, as described below under “Remediation of Material Weaknesses”.

During the quarter ended June 30, 2022, we implemented certain improvements to our internal control and financial reporting processes to address the material weaknesses identified above. These improvements include the following:

We are committed to maintaining a strong internal control environment and implementing measures to ensure that the control deficiencies identified above are remediated as soon as possible. Management is in the process of implementing a remediation plan, which includes steps to design and implement new controls and expand the review of any potential unrecorded liabilities.

We have implemented certain aspects of our remediation plan but will need to design and implement additional controls related to the review and approval of revenue-related manual journal entries. Moreover, we do not believe that any of our remedial controls have been fully implemented or operated for a sufficient period of time or number of occurrences to allow for sufficient testing to determine the controls’ operating effectiveness.

The remediation actions are being monitored by the Audit Committee of our Board of Directors.

Below is a summary of the material factors that make an investment in our common stock speculative or risky. This summary does not address all of the risks that we face. Additional discussion of the risks summarized in this risk factor summary, and other risks that we face, can be found below under the heading “Risk Factors”, and should be carefully considered, together with other information in this Quarterly Report on Form 10-Q and our other filings with the SEC before making investment decisions regarding our common stock.

An investment in shares of our common stock involves a high degree of risk. You should carefully consider the following risk factors, as well as the other information contained elsewhere in this report, before deciding whether to purchase, hold or sell shares of our common stock. The occurrence of any of the following risks could harm our business, financial condition, results of operations and/or growth prospects or cause our actual results to differ materially from those contained in forward-looking statements we have made in this report and those we may make from time to time. You should consider all of the risk factors described when evaluating our business. We have marked with an asterisk (*) those risk factors that reflect changes from the risk factors included in our Annual Report on Form 10-K for the year ended December 31, ~~2016~~2021, filed with the ~~Securities and Exchange Commission~~SEC on ~~March 28, 2017.~~April 5, 2022.

*We are ~~an early stage~~a molecular oncology diagnostics company with a history of net losses; we expect to incur net losses in the future, and we may never achieve sustained profitability. *

We have historically incurred substantial net losses, including a net ~~losses~~loss of ~~$18.4~~approximately $5.3 million and $8.0 million for the ~~year-ended December 31, 2016~~three and ~~$15.9 million~~six months ended June 30, 2022, respectively. We are currently seeing reduced demand for our COVID-19 testing services and expect this trend to continue absent a negative and sustained turn in the course of the pandemic. Without high demand for our COVID-19 testing services, we will continue to incur net losses and negative cash flows from operations for the ~~nine month period ended September~~foreseeable future. At June 30, ~~2017, and we have never been profitable. At September 30, 2017,~~2022, our accumulated deficit was approximately $189.6 million. Before 2008, we were pursuing a business plan relating to fetal genetic disorders and other fields, all of which were unrelated to cancer diagnostics. The portion of our accumulated deficit that relates to the period from inception through December 31, 2007 is approximately $66.5$274.4 million.

We expect our losses to continue as a result of costs relating to our ~~lab~~laboratory operations as well as increased sales and marketing costs and ongoing research and development expenses. These losses have had, and will continue to have, an adverse effect on our working capital, total assets and stockholders’ equity. Because of the numerous risks and uncertainties associated with our commercialization efforts, we are unable to predict when we will become profitable, and we may never become profitable. Even if we do achieve profitability, we may not be able to sustain or increase profitability on a quarterly or annual basis. Our inability to achieve and then maintain profitability would negatively affect our business, financial condition, results of operations and cash flows.

We expect to continue to incur losses for the foreseeable future and will have to raise additional capital to fund our planned operations and to meet our long-term business objectives. ~~As a result, there is substantial doubt about our ability~~The Company does not anticipate it will be profitable until it has commercial expansion of its proprietary clinical diagnostic laboratory assays designed to identify rare tumor cells from cerebrospinal fluid, trademarked as CNSide. Accordingly, management performed the review required for going concern accounting and does not believe the Company presently has sufficient liquidity to continue ~~as a going concern unless~~to operate for the next twelve months after the filing of this Quarterly report on Form 10-Q. Management intends to continue its efforts to contain costs and to raise additional capital until it ultimately generates sufficient cash to support operations from commercial sales. Although COVID-19 testing revenue during 2020 and 2021 provided us with increased levels of cash inflows from operations, we are ~~able to successfully raise additional capital.~~currently seeing reduced demand for our COVID-19 testing services do not anticipate COVID-19 testing revenue beyond December 2022, absent a sustained, negative turn in the course of the pandemic. Until we can generate significant cash from operations, including product and assay revenues, we expect to continue to fund our operations with the proceeds from offerings of our equity securities or debt, or transactions involving product development, technology licensing or collaboration. We can provide no assurances that any sources of a sufficient amount of financing will be available to us on favorable terms, if at all. General market conditions resulting from global supply chain issues, the Russia-Ukraine conflict, the COVID-19 pandemic, high inflation, general economic uncertainty and other macroeconomic factors, as well as market conditions affecting companies in the life sciences industry in general, may make it difficult for us to obtain financing from the capital markets on attractive terms, or at all. Failure to raise additional capital in sufficient amounts would significantly impact our ability to continue as a going concern. The actual amount of funds that we will need and the timing of any such investment will be determined by many factors, some of which are beyond our control.

*An event To fund our current and planned operations in the short- and long-term, we may seek to raise additional capital through public or private equity offerings, debt financings, borrowings or strategic partnerships coupled with an investment in our company or a combination thereof. If we raise additional funds through the issuance of ~~default under~~convertible debt securities, or other debt securities, these securities could be secured and could have rights senior to those of our ~~credit facility may have a material adverse effect on~~common stock. In addition, any new debt incurred by us could impose covenants that restrict our ~~financial condition.~~

~~On April 30, 2014, we borrowed $5.0 million pursuant to~~operations. The issuance of any new equity securities will also dilute the ~~terms~~interest of ~~a credit facility, or~~our current stockholders. Given the ~~April 2014 Credit Facility,~~risks associated with Oxford Finance LLC, or Oxford. At September 30, 2017, a principal balance of approximately $1.7 million was outstanding and due within one year under the April 2014 Credit Facility. The April 2014 Credit Facility includes events of default, the occurrence and continuation of which provide Oxford, as collateral agent, with the right to exercise remedies against us and the collateral securing the loans under the April 2014 Credit Facility, including foreclosure against our ~~properties securing the April 2014 Credit Facility,~~business, including our ~~cash. These events~~unprofitable operating history and our ability or inability to develop additional assays, additional capital may not be available when needed on acceptable terms, or at all. There is no assurance that we will be able to raise adequate funds when needed or on favorable terms. If adequate funds are not available when needed, we will need to delay, scale back or discontinue one or more product development programs, curtail our commercialization activities, significantly reduce expenses, sell assets (potentially at a discount to their fair value or carrying value), enter into relationships with third parties to develop or commercialize products or technologies that we otherwise would have sought to develop or

commercialize independently, pursue an acquisition of ~~default include, among~~our company at a price that may result in a significant loss on investment to our stockholders, file for bankruptcy, seek other ~~things,~~protection from creditors, or liquidate all of our failure to pay any amounts due under the April 2014 Credit Facility, a breach of covenants under the April 2014 Credit Facility, our insolvency, a material adverse change, the occurrence of any default under certain other indebtedness in an amount greater than $250,000, and a final judgment against us in an amount greater than $250,000.assets.

~~Accordingly, the occurrence of an event of default under our April 2014 Credit Facility, unless cured or waived, may have a material adverse effect on our results of operations.~~

*If we are unable to increase sales of our current products, assays and ~~assays~~services or successfully develop and commercialize other products, assays and ~~assays,~~services, our revenues will be insufficient for us to achieve profitability. *

WeOther than our COVID-19 testing revenue, we currently derive substantially all of our revenues from sales of diagnostic assays. We began offering our assays through our Clinical Laboratory Improvement Amendments of 1988, or CLIA, certified CAP accredited, and state-licensed laboratory in 2014. Additionally, the sale of our proprietary ~~blood collection tubes, or BCTs,~~ SCTs commenced in June 2018, which allow for the intact transport of liquid biopsy samples for research use only, or RUO, from regions around the ~~world, are anticipated to be sold to laboratory supply distributor(s) commencing in 2018.~~world. We are in varying stages of research and development for other products and diagnostic assays that we may offer. If we are unable to increase sales of our existing products and diagnostic assays or successfully develop and commercialize other products and diagnostic assays, we will not produce sufficient revenues to become profitable.

*If we are unable to execute our sales and marketing strategy for our products and diagnostic assays and are unable to gain acceptance in the market, we may be unable to generate sufficient revenue to sustain our business. *

We are an ~~early stage~~early-stage molecular oncology diagnostics company and have engaged in only limited sales and marketing activities for the diagnostic assays we currently offer through our CLIA-certified, CAP accredited, and state-licensed laboratory. ~~To date,~~Except for net income generated in the first quarter of 2021 as a result of our COVID-19 testing revenue, our revenue has been insufficient to fund operations.

Although we believe that our current assays and our planned future assays, our molecular kits as well as our ~~BCT~~blood and viral collection tube product, represent a promising commercial opportunity, our products or assays may never gain significant acceptance in the marketplace and therefore may never generate substantial revenue or profits for us. We will need to establish a market for our products and diagnostic assays and build that market through physician education, awareness programs and the publication of clinical trial results. Gaining acceptance in medical communities requires, among other things, ~~publication~~publications in leading peer-reviewed journals of results from studies using our current products, assays and ~~assays~~services and/or our planned future products, assays and ~~assays.~~services. The process of publication in leading medical journals is subject to a peer review process and peer reviewers may not consider the results of our studies sufficiently novel or worthy of publication. Failure to have our studies published in peer-reviewed journals would limit the adoption of our current products, assays and ~~assays~~services and our planned future products, assays and ~~assays.~~services.

Our ability to successfully market the products and diagnostic assays that we have developed, and may develop in the future, will depend on numerous factors, including:

Failure to achieve widespread market acceptance of our current products, assays and ~~assays,~~services, as well as our planned future products, assays and ~~assays,~~services, would materially harm our business, financial condition and results of operations.

If we cannot develop products, assays and ~~assays~~services to keep pace with rapid advances in technology, medicine and science, our operating results and competitive position could be harmed.*

In recent years, there have been numerous advances in technologies relating to the diagnosis and treatment of cancer. Several new cancer drugs have been approved, and a number of new drugs in clinical development may increase patient survival time. There have also been advances in methods used to identify patients likely to benefit from these drugs based on analysis of biomarkers. We must continuously develop new products and diagnostic assays and enhance any existing products, assays and ~~assays~~services to keep pace with evolving standards of care. Our current products, assays and ~~assays~~services and our planned future products, assays and ~~assays~~services could become obsolete unless we

continually innovate and expand them to demonstrate benefit in the diagnosis, monitoring or prognosis of patients with neurological metastatic cancer. New cancer therapies typically have only a few years of clinical data associated with them, which limits our ability to develop products and diagnostic assays based on, for example, biomarker analysis related to the appearance or development of resistance to those therapies. If we cannot adequately demonstrate the applicability of our current products, assays and ~~assays~~services and our planned future products, assays and ~~assays~~services to new treatments, by incorporating important biomarker analysis, sales of our products, assays and ~~assays~~services could decline, which would have a material adverse effect on our business, financial condition and results of operations.

*If our current products, assays and ~~assays~~services and our planned future products, assays and ~~assays~~services do not continue to perform as expected, our operating results, reputation and business will suffer.

Our success depends on the ~~market~~’smarket’s confidence that we can continue to provide reliable, high-quality products and assay results. We believe that our customers are likely to be particularly sensitive to product or assay defects and errors. As a result, the failure of our current or planned future products or assays to perform as expected, including with respect to our ~~assays our~~ ability to maintain the sensitivity, specificity, concordance or reproducibility of such assays, would significantly impair our reputation and the public image of our products and cancer assays, and we may be subject to legal claims arising from any defects or errors. This could also impact our ability to get paid or the amount we are paid.

*If our sole laboratory facility becomes damaged or inoperable, or we are required to vacate the facility, our ability to sell and provide our products and diagnostic assays and pursue our research and development efforts may be jeopardized. *

WeOther than our COVID-19 testing revenue, we currently derive our revenues from our diagnostic assays conducted in our CLIA-certified, CAP accredited, and state-licensed laboratory. We do not have any clinical reference laboratory facilities other than our facility in San Diego, California. Our facilities and equipment could be harmed or rendered inoperable by natural or man-made disasters, including fire, earthquake, flooding and power outages, which may render it difficult or impossible for us to sell our products or perform our diagnostic assays for some period of time. The inability to sell our current or planned future products, or to perform our current assays and our planned future assays, or the backlog of assays that could develop if our facility is inoperable for even a short period of time, may result in the loss of customers or harm to our reputation or relationships with scientific or clinical collaborators, and we may be unable to regain those customers or repair our reputation in the future. Furthermore, our facilities and the equipment we use to perform our research and development work could be costly and time-consuming to repair or replace.

The San Diego area ~~has recently experienced~~periodically experiences serious fires and power outages and is considered to lie in an area with earthquake risk.

Additionally, a key component of our research and development process involves using biological samples as the basis for our diagnostic assay development. In some cases, these samples are difficult to obtain. If the parts of our current or future laboratory facility where we store these biological samples were damaged or compromised, our ability to pursue our research and development projects, as well as our reputation, could be jeopardized. We carry insurance for damage to our property and the disruption of our business, but this insurance may not be sufficient to cover all of our potential losses and may not continue to be available to us on acceptable terms, if at all.

Further, if our current or future CLIA-certified, CAP accredited, and state-licensed laboratory ~~became~~becomes inoperable or unqualified in any way we may not be able to license or transfer our technology to another facility with the necessary qualifications, including state licensure and CLIA certification, under the scope of which our current assays and our planned future assays could be performed. Even if we find a facility with such qualifications to perform our assays, it may not be available to us on commercially reasonable terms.

Our business is subject to risks arising from pandemic and epidemic diseases, such as the COVID-19 pandemic.

A pandemic, including COVID-19 or other public health epidemic, poses the risk that we or our employees, contractors, suppliers, courier delivery services and other partners may be prevented from conducting business activities for an indefinite period of time, including due to spread of the disease within these groups or due to shutdowns that may be requested or mandated by governmental authorities. The continued spread of COVID-19 and the measures taken by state and local governments could disrupt the supply chain

of material needed for our assays, interrupt our ability to receive samples, impair our ability to perform or deliver the results from our tests, impede patient movement or interrupt healthcare services causing a decrease in test volumes, delay coverage decisions from Medicare and third party payers, delay ongoing and planned clinical trials involving our tests and have a material adverse effect on our business, financial condition and results of operations. The ongoing COVID-19 pandemic has resulted in a number of restrictions to reduce the spread of the disease, including executive orders in California, and several other state and local orders across the country, which, among other things, directed individuals to shelter at their places of residence, directed schools, businesses and governmental agencies to cease non-essential operations at physical locations, prohibited certain non-essential gatherings, and ordered cessation of non-essential travel. In some places, these orders have been lifted whereas other locations continue to be subject to restrictions. The emergence of new variants of the SARS-CoV-2 virus raises the possibility that recurring cycles of restrictions will be imposed in the future, notwithstanding vaccination efforts. The effects of state and local stay-at-home orders and our work-from-home policies may negatively impact productivity, disrupt our business and delay our development programs and regulatory timelines and negatively impact our commercial activities, the magnitude of which will depend, in part, on the length and severity of the restrictions and other limitations on our ability to conduct our business in the ordinary course. These and similar, and perhaps more severe, disruptions in our operations due to the COVID-19 pandemic could negatively impact our business, operating results and financial condition.

The spread of COVID-19, which has caused a broad impact globally, may materially affect us economically. While the potential economic impact brought by, and the duration of, the COVID-19 pandemic may be difficult to assess or predict, the pandemic continues to have the potential for disruption of global financial markets. This disruption, if sustained or recurrent, could make it more difficult for us to access capital, which could negatively affect our liquidity. In addition, a recession or market correction resulting from the spread of COVID-19 could materially affect our business and the value of our common stock.

The ultimate impact of the COVID-19 pandemic or a similar health pandemic or epidemic is highly uncertain and subject to change. We do not yet know the full extent of potential delays or impacts on our business, commercialization efforts, healthcare systems or to the global economy as a whole. These effects could have a material impact on our financial condition and operations. We will continue to monitor the COVID-19 situation closely.

We launched our RT-PCR COVID-19 testing business during the second quarter of 2020. We have received more than 1,000,000 samples for processing through our RT-PCR technology at our laboratory to date. During the year ended December 31, 2021, we saw a significant increase in our net revenues due to our substantial COVID-19 testing volumes during that period. As a result of increased vaccination and immunization levels, as well as decreased COVID-19 hospitalizations, reported cases and mandatory COVID-19 testing, we are currently seeing reduced demand for our COVID-19 testing services and do not anticipate COVID-19 testing revenue beyond December 2022, absent a sustained, negative turn in the course of the pandemic. In addition, our RT-PCR COVID-19 testing is done pursuant to an Emergency Use Authorization. We will no longer be able to offer the test under the EUA after the EUA is revoked.

If we cannot compete successfully with our competitors, we may be unable to increase or sustain our revenues or achieve and sustain profitability. *

Our principal competition comes from ~~mainstream~~established molecular diagnostic ~~methods,~~clinical testing services and products, used by medical oncologists, neuro-oncologists, surgical oncologists, radiation oncologists, pulmonologists, pathologists ~~and oncologists~~ and other physicians, ~~for many years,~~ which ~~focus~~are based on tumor tissue analysis. ~~The methods or behavior of oncologists and other physicians~~It may be difficult to change ~~regarding~~established clinical practices and behavior of medical oncologists, neuro-oncologists, surgical oncologists, urologists, pulmonologists, pathologists and other physicians to get them to adopt the use of our ~~CTC~~CSF-based tumor cell and ctDNA ~~assays, including molecular diagnostic~~ assays, in their practices in conjunction with ~~or instead~~current standard of ~~tissue biopsies~~care.

Liquid biopsy molecular tests based on tumor cell and analysis. In addition, companies offering capital equipment, BCTs, and kits or reagents to local pathology laboratories or laboratory supply distributors represent another source of potential competition. These kits are used directly by the pathologist, which can facilitate adoption. Historically, we have focused our marketing and sales efforts on medical oncologists rather than pathologists, although commencing in October 2017, our technical component/technical component offering provides the unique ability for pathologists to participate in the interpretation of liquid biopsy results, and is available to pathology practices and hospital systems throughout the United States.

~~We also face competition from companies that offer products or are conducting research to develop products for CTC or~~ ctDNA assays ~~in various cancers. CTC and ctDNA products and assays~~for oncology applications represent a new area of science and medicine and we cannot predict what products or assays others will develop that may compete with or provide results similar or superior to the results we are able to achieve with the products or assays we develop.

We face competition from specialty oncology diagnostic companies that are conducting research and development to develop proprietary CTC or ctDNA based assays and assay test panels for use in genomic profiling and monitoring solid tumor cancers. Competitors developing ctDNA bases assays and assay panels include but are not limited to companies such as ~~Atossa, Qiagen, Roche, Trovagene,~~

Guardant ~~Cancer Genetics, Alere (Adnagen), Illumina, Grail, Apocell,~~Health, Foundation Medicine, Tempus Laboratories, NeoGenomics, Invitae, Natera, Inivata and Biodesix. EPIC Sciences, ~~Clearbridge Biomedics, Biodesix, Thermo Fisher Scientific, Foundation Medicine, Neogenomics, Cynvenio~~Menarini Silicon Biosystems ~~Genomic Health, Fluxion Biosciences, RareCells, ScreenCell~~ and ~~Silicon Biosystems. Some of these groups,~~Angle PLC offer CTC-based assays. These companies, in addition to operating research and development laboratories, ~~are establishing~~have established CLIA-certified testing laboratories ~~while others~~and have developed LDT (lab developed tests) that they market directly to oncologists and pathologists. A few of these companies, like Guardant Health, have achieved FDA clearance for their proprietary laboratory tests.

There are several national and regional specialty diagnostic companies, such as Caris Life Sciences and CSI, which are focused on the oncology diagnostic market, who while not currently offering CTC or ctDNA assays are selling ~~equipment~~to oncologists and ~~reagents.~~pathologists and could develop or offer ctDNA or CTC or assays. In addition, large laboratory services companies such as Quest and LabCorp which provide a broad array of cancer diagnostic assays and testing services could also offer CTC or ctDNA based clinical testing services. In June 2021, we announced a collaboration with Quest Diagnostics to provide laboratory testing services to Quest patients for our Target Selector NGS-based liquid biopsy targeted lung cancer panel. However, this collaboration does not prevent Quest from offering or providing testing services that are competitive with our panel.

Another new area of science and medicine is CTC and ctDNA assays performed from cerebrospinal fluid (CSF) samples for neuro-oncology applications and there is currently limited competition for our CSF-based tumor cell and ctDNA assays. There are no known specialty oncology diagnostic companies or large laboratory services companies that offer CSF-based tumor cell and ctDNA tests for neuro-oncology applications as a standard commercial clinical testing service. A few academic based pathology labs such as Memorial Sloan Kettering Cancer Center offer CSF-based testing mainly for research purposes.

There are a number of companies which are focused on the oncology diagnostic market, ~~such as Agendia and Genoptix,~~ who while not currently offering CTC or ctDNA assays are selling to the medical oncologists and pathologists and could develop or offer CTC or ctDNA assays. Large laboratory services companies such as Quest and LabCorp provide more generalized cancer diagnostic assays and testing but could also offer a CTC or ctDNA assay service. Companies like Abbott, Danaher ~~Qiagen, Thermo Fisher Scientific~~ and others could develop equipment or reagents in the future as well. Currently, companies like Streck, Roche and ~~Biomatrica~~Exact Sciences offer ~~BCTs,~~SCTs, and in the future, companies like Covidien, Beckton Dickinson, Thermo Fisher, and other large medical device companies may develop ~~BCTs~~SCTs as well.

There are a number of life science technology companies that are focused on the oncology diagnostic market, such as Thermo Fisher Scientific, Illumina, Abbott Molecular, Bio-Rad, Sysmex, Qiagen, and Roche Diagnostics, that are selling equipment and reagents kits for ctDNA assays and assay panels. These companies compete with our ctDNA assay kit products and SCTs. Menarini Silicon Biosystems sells equipment and reagents kits for CTC assays. These companies market their products to specialty laboratories that offer molecular based testing for oncology applications, including national reference laboratory, regional laboratories and pathology laboratories that are part of academic medical centers and hospital systems. These laboratories may purchase these products and developed ctDNA and CTC based laboratory developed tests that are marketed to medical oncologists and pathologists that compete with our lab services.

Some of our present and potential competitors have widespread brand recognition and substantially greater financial and technical resources and development, production and marketing capabilities than we do. Others may develop lower-priced, less complex assays that payers, medical oncologists, neuro-oncologists, surgical oncologists, urologists, pulmonologists, pathologists ~~and oncologists~~ and other physicians could view as functionally equivalent to our current or planned future assays, which could force us to lower the list price of our assays and impact our operating margins and our ability to achieve and maintain profitability. In addition, technological innovations that result in the creation of enhanced products or diagnostic tools that are more sensitive or specific or offer more content than ours may enable other clinical laboratories, hospitals, physicians or medical providers to provide specialized products or diagnostic assays similar to ours in a more patient-friendly, efficient or cost-effective manner than is currently possible. If we cannot compete successfully against current or future competitors, we may be unable to increase or create market acceptance and sales of our current or planned future products or assays, which could prevent us from increasing or sustaining our revenues or achieving or sustaining profitability.

We expect that biopharmaceutical companies will increasingly focus ~~attention and~~ resources on ~~the personalized cancer diagnostic sector as the potential and prevalence~~development of ~~molecularly~~ targeted oncology therapies that may require a companion diagnostics test approved by the FDA. Biocept may face increasing competition from companies that offer CTC or ctDNA assays or products that are approved by the FDA ~~along with companion diagnostics increases. For example, the FDA has approved three such agents: Xalkori~~^® ~~from Pfizer Inc. along with its companion anaplastic lymphoma kinase FISH test from Abbott Laboratories, Inc., Zelboraf~~^® ~~from Daiichi-Sankyo/Genentech/Roche along with its companion BRAF kinase V600 mutation test from Roche Molecular Systems, Inc. and Tafinlar~~^® ~~from GlaxoSmithKline along with its companion BRAF kinase V600 mutation test from bioMerieux. Since~~as an IVD for companion diagnostic ~~tests are part of FDA labeling, non-FDA cleared tests such as ours would be considered an off-label use and this may limit our access to this market segment.~~uses.

Additionally, projects related to cancer diagnostics and particularly genomics have received increased government funding, both in the United States and internationally. As more information regarding cancer genomics becomes available to the public, we anticipate that more products aimed at identifying targeted treatment options will be developed and that these products may compete with ours. In addition, competitors may develop their own versions of our current or planned future products or assays in countries where we did not apply for patents or where our patents have not issued and compete with us in those countries, including encouraging the use of their product or assay by physicians or patients in other countries.

We expect to continue to incur significant expenses to develop and market products and diagnostic assays, which could make it difficult for us to achieve and sustain profitability. *

In recent years, we have incurred significant costs in connection with the development of our products and diagnostic assays. For the year ended December 31, ~~2016,~~2021, and the six months ended June 30, 2022, our research and development expenses were ~~$2.7~~approximately $5.0 million and $3.6 million, respectively, and our sales and marketing expenses were ~~$5.1 million. For the nine months ended September 30, 2017, our research and development expenses were $2.5~~approximately $8.3 million and ~~our sales and marketing expenses were $4.7 million.~~$5.3 million, respectively. We expect our expenses to continue to increase for the foreseeable future as we conduct studies of our current products, assays and ~~assays~~services and our planned future products, assays and ~~assays,~~services, continue to establish our sales and marketing organization, drive adoption of and reimbursement for our products and diagnostic assays and develop new products, assays and ~~assays.~~services. As a result, we need to generate significant revenues ~~in order~~ to achieve sustained profitability.

*If medical oncologists, neuro-oncologists, surgical oncologists, urologists,pulmonologists, pathologists and other physiciansdecide not to order our current or planned future assays, or if laboratory supply distributors or their customers decide not to order our current or planned future products, we may be unable to generate sufficient revenue to sustain our business.

To generate demand for our current products, assays and ~~assays~~services and our planned future products, assays and ~~assays,~~services, we will need to educate medical oncologists, neuro-oncologists, surgical oncologists, urologists, pulmonologists, pathologists, and other physicians and other health care professionals, as well as laboratory and medical equipment suppliers, on the clinical utility, benefits and value of the products, assays and ~~assays~~services we provide through published papers, presentations at scientific conferences, educational programs and one-on-one education sessions by members of our sales force. In addition, we need to ~~assure~~educate medical oncologists, neuro-oncologists, surgical oncologists, urologists, pulmonologists, pathologists and other physicians of our ability to obtain and maintain coverage and adequate reimbursement from third-party payers. We need to hire additional commercial, scientific, technical and other personnel to support this process. Unless an adequate number of medical

practitioners order our current assays and our planned future assays, or unless an adequate number of laboratory supply distributors order our current and planned future products, we will likely be unable to create demand in sufficient volume for us to achieve sustained profitability. Our ability to interface with physicians and other medical professionals has been, and may in the future be, impacted by the ongoing COVID-19 pandemic.

Clinical utility studies are important in demonstrating to both customers and payers an assay’s clinical relevance and value. If we are unable to identify collaborators willing to work with us to conduct clinical utility studies, or the results of those studies do not demonstrate that an assay provides clinically meaningful information and value, commercial adoption of such assay may be slow, which would negatively impact our business. *

Clinical utility studies show when and how to use a clinical test or assay and describe the particular clinical situations or settings in which it can be applied and the expected results. Clinical utility studies also show the impact of the test or assay results on patient care and management. Clinical utility studies are typically performed with collaborating oncologists or other physicians at medical centers and hospitals, analogous to a clinical trial, and generally result in peer-reviewed publications. Sales and marketing representatives use these publications to demonstrate to customers how to use a clinical test or assay, as well as why they should use it. These publications are also used with payers to obtain coverage for a test or assay, helping to assure there is appropriate reimbursement.

We need to conduct additional studies for our assays, increase assay adoption in the marketplace and obtain coverage and adequate reimbursement. Should we not be able to perform these studies, or should their results not provide clinically meaningful data and value for medical oncologists, neuro-oncologists, surgical oncologists, radiation oncologists, pulmonologists, pathologists and other physicians, adoption of our assays could be impaired, and we may not be able to obtain coverage and adequate reimbursement for them.

~~We are undergoing management transitions, which could adversely affect our business.~~

We recently hired Timothy C. Kennedy, who serves as our Chief Financial Officer, Senior Vice President of Operations and Secretary, and Michael Terry, who serves as our Senior Vice President Commercial Operations. We intend to recruit and hire other senior executives. Such management transitions subject us to a number of risks, including risks pertaining to coordination of responsibilities and tasks, creation of new management systems and processes, differences in management style, effects on corporate culture, and the need for transfer of historical knowledge, any of which could adversely affect our business.

*The loss of key members of our executive management team could adversely affect our business.

Our success in implementing our business strategy depends largely on the skills, experience and performance of key members of our executive management team and others in key management positions, including Michael W. Nall, our Chief Executive Officer and President, Lyle J. Arnold, Ph.D., our Senior Vice-President of Research & Development and Chief Scientific Officer, Veena M. Singh, M.D., our Senior Vice President and Senior Medical Director, Michael Terry, our Senior Vice President Commercial Operations, and Timothy C. Kennedy, our Chief Financial Officer, Senior Vice President of Operations and Secretary.positions. The collective efforts of each member of ~~these persons~~the executive team and others working with them as a team are critical to us as we continue to develop our technologies, products, services, assays and research and development and sales programs. As a result of the difficulty in locating qualified new management, the loss or incapacity of existing members of our executive management team could adversely affect our operations. If we were to lose one or more of these key employees, we could experience difficulties in finding qualified successors, competing effectively, developing our technologies and implementing our business strategy. Our executive management team each have employment agreements, however, the existence of an employment agreement does not guarantee retention of members of our executive management team, and we may not be able to retain those individuals for the duration of or beyond the end of their respective terms. We do not maintain “~~key person~~”“key person” life insurance on any of our employees.

In addition, we rely on collaborators, consultants and advisors, including scientific and clinical advisors, to assist us in formulating our research and development and commercialization strategy. Our collaborators, consultants and advisors are generally employed by employers other than us and may have commitments under agreements with other entities that may limit their availability to us.

The loss of a key employee, the failure of a key employee to perform in his or her current position or our inability to attract and retain skilled employees could result in our inability to continue to grow our business or to implement our business strategy.

There is a scarcity of experienced professionals in our industry. If we are not able to retain and recruit personnel with the requisite ~~technical~~ skills, we may be unable to successfully execute our business strategy.*

The specialized nature of our industry results in an inherent scarcity of experienced personnel in the field. Our future success depends upon our ability to attract and retain highly skilled personnel, including medical, laboratory, clinical investigation, scientific, technical, commercial, business, regulatory and administrative personnel, necessary to support our anticipated growth, develop our business and perform certain contractual obligations. Given the scarcity of professionals with the ~~scientific~~ knowledge that we require and the competition for qualified

personnel among life science businesses, we may not succeed in attracting or retaining the personnel we require to continue and grow our operations.

*Our failure to continue to attract, hire and retain a sufficient number of qualified sales professionals would hamper our ability to increase demand for our products and diagnostic assays, to expand geographically and to successfully commercialize any other products or assays we may develop.

To succeed in selling our products and diagnostic assays and any other products or assays that we are able to develop, we must expand our sales force in the United States and/or internationally by recruiting additional sales representatives with extensive experience in oncology and established relationships with medical oncologists, ~~surgeons,~~neuro-oncologists, surgical oncologists, urologists, pulmonologists, pathologists, oncology nurses, ~~pathologists~~ and other physicians and hospital personnel, as well as laboratory supply distributors. To achieve our marketing and sales goals, we will need to continue to build our sales and commercial infrastructure. Sales professionals with the necessary technical and business qualifications are in high demand, and there is a risk that we may be unable to attract, hire and retain the number of sales professionals with the right qualifications, scientific backgrounds and relationships with decision-makers at potential customers needed to achieve our sales goals. We expect to face competition from other companies in our industry, some of whom are much larger than us and who can pay greater compensation and benefits than we can, in seeking to attract and retain qualified sales and marketing employees. If we are unable to hire and retain qualified sales and marketing personnel, our business will suffer.

*Our dependence on commercialization partners for sales of products, assays and ~~assays~~services could limit our success in realizing revenue growth.

We intend to grow our business through the use of commercialization partners for the sales, marketing and commercialization of our current products, assays and ~~assays,~~services, as well as our planned future products, assays and ~~assays,~~services, and to do so we must enter into agreements with these partners to sell, market or commercialize our products, assays and ~~assays.~~services. These agreements may contain exclusivity provisions and generally cannot be terminated without cause during the term of the agreement. We may need to attract additional partners to expand the markets in which we sell products or assays. These partners may not commit the necessary resources to market and sell our products and diagnostics assays to the level of our expectations, and we may be unable to locate suitable alternatives should we terminate our agreement with such partners or if such partners terminate their agreement with us.

If current or future commercialization partners do not perform adequately, or we are unable to locate commercialization partners, we may not realize revenue growth.

We depend on third parties for the supply of blood samples and other biological materials that we use in our research and development efforts. If the costs of such samples and materials increase or our ~~third party~~third-party suppliers terminate their relationship with us, our business may be materially harmed.

We have relationships with suppliers and institutions that provide us with blood samples and other biological materials that we use in developing and validating our current assays and our planned future assays. If one or more suppliers terminate their relationship with us or are unable to meet our requirements for samples, we will need to identify other third parties to provide us with blood samples and biological materials, which could result in a delay in our research and development activities and negatively affect our business. In addition, as we grow, our research and academic institution collaborators may seek additional financial contributions from us, which may negatively affect our results of operations. To the extent that the third parties supplying us with blood samples or other biological materials are impacted by the COVID-19 pandemic or other supply chain issues, our costs and availability of such supplies may be impacted.

We currently rely on third-party suppliers for our ~~BCTs,~~SCTs, shipping kits, and critical materials needed to perform our current assays, as well as our planned future products, assays and ~~assays,~~services, and any problems experienced by them could result in a delay or interruption of their supply to us.

We currently purchase our ~~BCTs~~SCTs and raw materials for our microfluidic channels and assay reagents under purchase orders and do not have long-term contracts with most of the suppliers of these materials. If suppliers were to delay or stop producing our ~~BCTs,~~SCTs, shipping kits, materials or reagents, or if the prices they charge us were to increase significantly, or if they elected not to sell to us, we would need to identify other suppliers. We could experience delays in obtaining ~~BCTs~~SCTs and shipping kits, manufacturing the microfluidic channels, or performing assays while finding another acceptable supplier, which could impact our results of operations. The changes could also result in increased costs associated with qualifying the new ~~BCTs,~~SCTs, shipping kits, materials or reagents and in increased operating costs. Further, any prolonged disruption in a ~~supplier~~’ssupplier’s operations could have a significant negative impact on our ability to perform diagnostic assays in a timely manner and sell our products. If our third-party suppliers’ operations are impacted by the COVID-19 pandemic, or other supply chain issues, we may experience supply delays or interruptions.

Some of the components used in our current or planned future products are currently sourced from a supplier for which alternative suppliers exist but we have not validated the products of such alternative suppliers, and substitutes for these components might not be able to be obtained easily or may require substantial design or manufacturing modifications. Any significant problem experienced by

any one of our suppliers may result in a delay or interruption in the supply of components to us until that supplier cures the problem or an alternative source of the component is located and qualified. Any delay or interruption would likely lead to a delay or interruption in our manufacturing operations or product sales. The inclusion of substitute components must meet our product specifications and could require us to qualify the new supplier with the appropriate government regulatory authorities.

*If we were sued for product liability or professional liability, we could face substantial liabilities that exceed our resources.

The marketing, sale and use of our products and current assays, as well our planned future products, assays and ~~assays,~~services, could lead to the filing of product liability claims against us if someone alleges that our products or assays failed to perform as designed. We may also be subject to liability for errors in the assay results we provide to physicians or for a misunderstanding of, or inappropriate reliance upon, the information we provide. A product liability or professional liability claim could result in substantial damages and be costly and time-consuming for us to defend.

Although we believe that our existing product and professional liability insurance is adequate, our insurance may not fully protect us from the financial impact of defending against product liability or professional liability claims. Any product liability or professional liability claim brought against us, with or without merit, could increase our insurance rates or prevent us from securing insurance coverage in the future. Additionally, any product liability lawsuit could damage our reputation, result in the recall of products or assays, or cause current partners to terminate existing agreements and potential partners to seek other partners, any of which could impact our results of operations.

If we use biological and hazardous materials in a manner that causes injury, we could be liable for damages.

Our activities currently require the controlled use of potentially harmful biological materials and chemicals. We cannot eliminate the risk of accidental contamination or injury to employees or third parties from the use, storage, handling or disposal of these materials. In the event of contamination or injury, we could be held liable for any resulting damages, and any liability could exceed our resources or any applicable insurance coverage we may have. Additionally, we are subject to, on an ongoing basis, federal, state and local laws and regulations governing the use, storage, handling and disposal of these materials and specified waste products. The cost of compliance with these laws and regulations may become significant and could have a material adverse effect on our financial condition, results of operations and cash flows. In the event of an accident or if we otherwise fail to comply with applicable regulations, we could lose our permits or approvals or be held liable for damages or penalized with fines.

We may acquire other businesses or form joint ventures or make investments in other companies or technologies that could harm our operating results, dilute our stockholders’ ownership, increase our debt or cause us to incur significant expense.

As part of our business strategy, we may pursue acquisitions of businesses and assets. We also may pursue strategic alliances and joint ventures that leverage our core technology and industry experience to expand our offerings or distribution. We have no experience with acquiring other companies and limited experience with forming strategic alliances and joint ventures. We may not be able to find suitable partners or acquisition candidates, and we may not be able to complete such transactions on favorable terms, if at all. If we make any acquisitions, we may not be able to integrate these acquisitions successfully into our existing business, and we could assume unknown or contingent liabilities. Any future acquisitions also could result in significant write-offs or the incurrence of debt and contingent liabilities, any of which could have a material adverse effect on our financial condition, results of operations and cash flows. Integration of an acquired company also may disrupt ongoing operations and require management resources that would otherwise focus on

developing our existing business. We may experience losses related to investments in other companies, which could have a material negative effect on our results of operations. We may not identify or complete these transactions in a timely manner, on a cost-effective basis, or at all, and we may not realize the anticipated benefits of any acquisition, technology license, strategic alliance or joint venture.

To finance any acquisitions or joint ventures, we may choose to issue shares of our common stock as consideration, which would dilute the ownership of our stockholders. If the price of our common stock is low or volatile, we may not be able to acquire other companies or fund a joint venture project using our stock as consideration. Alternatively, it may be necessary for us to raise additional funds for acquisitions through public or private financings. Additional funds may not be available on terms that are favorable to us, or at all.

If we cannot support demand for our current products, assays and ~~assays,~~services, as well as our planned future products, assays and ~~assays,~~services, including successfully managing the evolution of our laboratory service, our business could suffer.

As our product and assay volume grows, we will need to increase our assay capacity, implement automation, increase our scale and related processing, customer service, billing, collection and systems process improvements and expand our internal quality assurance program and technology to support assays on a larger scale. Examples of challenges we may face include, but are not limited to,

maintaining the same validated sensitivity in our assays for both CTC and ctDNA analysis as our assay volume increases. We will also need additional clinical laboratory scientists and other scientific and technical personnel to process these additional assays. Any increases in scale, related improvements and quality assurance may not be successfully implemented and appropriate personnel may not be available. As additional products, assays and ~~assays~~services are commercialized, we may need to bring new equipment ~~on line,~~online, implement new systems, technology, controls and procedures and hire personnel with different qualifications. Failure to implement or maintain necessary procedures or to hire the necessary personnel could result in a higher cost of processing or an inability to meet market demand. We cannot assure you that we will be able to perform assays on a timely basis, or procure ~~BCTs,~~SCTs, shipping kits or other materials we sell, at a level consistent with demand, that our efforts to scale our commercial operations will not negatively affect the quality of our assay results, or that we will respond successfully to the growing complexity of our operations. If we encounter difficulty meeting market demand or quality standards for our current products, assays and ~~assays~~services and our planned future products, assays and ~~assays,~~services, including with respect to our assays our ability to maintain the sensitivity, specificity, concordance and reproducibility of such assays, our reputation could be harmed, and our future prospects and business could suffer, which may have a material adverse effect on our financial condition, results of operations and cash flows.

*Billing for our diagnostic assays is complex, and we must dedicate substantial time and resources to the billing process to be paid.

Billing for clinical laboratory assay services is complex, time-consuming and expensive. Depending on the billing arrangement and applicable law, we bill various payers, including Medicare, insurance companies and patients, all of which have different billing requirements. We generally bill third-party payers for our diagnostic assays and pursue reimbursement on a case-by-case basis where pricing contracts are not in place. To the extent laws or contracts require us to bill patient co-payments or co-insurance, we must also comply with these requirements. We may also face increased risk in our collection efforts, including potential write-offs of doubtful accounts and long collection cycles, which could adversely affect our business, results of operations and financial condition.

We use standard industry billing codes, known as Current Procedural Terminology, or CPT, codes, to bill for our diagnostic assays. These codes can change over time. When codes change, there is a risk of an error being made in the claim adjudication process. These errors can occur with claims submission, third-party transmission or in the processing of the claim by the payer. Claim adjudication errors may result in a delay in payment processing or a reduction in the amount of the payment received. Coding changes, therefore, may have an adverse effect on our revenues. There can be no assurance that payers will recognize these codes in a timely manner or that

the process of transitioning to such a code and updating their billing systems and ours will not result in errors, delays in payments and a related increase in accounts receivable balances.

As we introduce new assays, we will need to add new codes to our billing process as well as our financial reporting systems. Failure or delays in effecting these changes in external billing and internal systems and processes could negatively affect our collection rates, revenue and cost of collecting.

Additionally, our billing activities require us to implement compliance procedures and oversight, train and monitor our employees, challenge coverage and payment denials, assist patients in appealing claims, and undertake internal audits to evaluate compliance with applicable laws and regulations as well as internal compliance policies and procedures. Payers also conduct external audits to evaluate payments, which add further complexity to the billing process. If the payer makes an overpayment determination, there is a risk that we may be required to return some portion of prior payments we have received. These billing complexities, and the related uncertainty in obtaining payment for our assays, could negatively affect our revenue and cash flow, our ability to achieve profitability, and the consistency and comparability of our results of operations.

*We rely on third-party billing provider software, and an in-house billing function, to transmit claims to payers, and any delay in transmitting claims could have an adverse effect on our revenue.

While we manage the overall processing of claims, we rely on third-party billing provider software to transmit the actual claims to payers based on the specific payer billing format. We have previously experienced delays in claims processing when our third-party provider made changes to its invoicing system. Additionally, coding for diagnostic assays may change, and such changes may cause short-term billing errors that may take significant time to resolve. If claims are not submitted to payers on a timely basis or are erroneously submitted, or if we are required to switch to a different software provider to handle claim submissions, we may experience delays in our ability to process these claims and receipt of payments from payers, or possibly denial of claims for lack of timely submission, which would have an adverse effect on our revenue and our business.

*We may encounter manufacturing problems or delays that could result in lost revenue.

We currently manufacture our proprietary microfluidic channels at our San Diego facility and intend to continue to do so. We believe we currently have adequate manufacturing capacity for our microfluidic channels. If demand for our current products, assays and ~~assays~~services and our planned future products, assays and ~~assays~~services increases significantly, we will need to either expand our manufacturing capabilities or outsource to other manufacturers. If we or ~~third party~~third-party manufacturers engaged by us fail to manufacture and deliver our microfluidic channels or certain reagents in a timely manner, our relationships with our customers could be seriously harmed. We cannot assure you that manufacturing, or quality control problems will not arise as we attempt to increase the production of our microfluidic channels or reagents or that we can increase our manufacturing capabilities and maintain quality control in a timely manner or at commercially reasonable costs. If we cannot manufacture our microfluidic channels consistently on a timely basis because of these or other factors, it could have a significant negative impact on our ability to perform assays and generate revenues. We may encounter supply chain constraints in obtaining the raw materials needed to manufacture our products for a variety of reasons, including events outside of our control such as the COVID-19 pandemic and geopolitical events.

*International expansion of our business would expose us to business, regulatory, political, operational, financial and economic risks associated with doing business outside of the United States.

Our business strategy ~~contemplates possible~~is to pursue increased international expansion, including partnering with academic and commercial testing laboratories, and introducing our technology outside the United States as part of in vitro diagnostic, or IVD, test kits and/or testing systems utilizing our technologies. Doing business internationally involves a number of risks, including:

Any of these risks, if encountered, could significantly harm our future international expansion and operations and consequently, have a material adverse effect on our financial condition, results of operations and cash flows.

*General economic or business conditions may have a negative impact on our business.*

The global economy, including credit and financial markets, has experienced extreme volatility and disruptions, including severely diminished liquidity and credit availability, declines in consumer confidence, declines in economic growth, increases in unemployment rates, increases in inflation rates and uncertainty about economic stability. For example, the COVID-19 pandemic resulted in increased unemployment, economic slowdown and extreme volatility in the capital markets. Similarly, the current Russia-Ukraine conflict created extreme volatility in the global capital markets, including disruptions of the global supply chain and energy markets. Continuing concerns over United States health care reform legislation and ~~energy costs, geopolitical issues, the availability and cost of credit and government stimulus programs in the United States and other countries~~increasing inflation have also contributed to increased volatility. Any such volatility and ~~diminished expectations for~~disruptions may have adverse consequences on us or the ~~global economy. These factors, combined with low business and consumer confidence and high unemployment, precipitated an economic slowdown and recession.~~third parties on whom we rely. If the ~~economic climate does not improve,~~equity and credit markets deteriorate, including as a result of continuing high inflation, political unrest or war, it ~~deteriorates, our business, including our access~~may make any necessary debt or equity financing more difficult to patient samples and the addressable market for products or diagnostic assays that we may successfully develop, as well as the financial condition of our suppliers and our third-party payers, could be adversely affected, resultingobtain in a ~~negative impact~~timely manner or on ~~our business, financial condition and results of operations.~~favorable terms, more costly or more dilutive.

~~Intrusions into our computer systems could result in compromise of confidential information.~~

Despite the implementation of security measures, our technology or systems that we interface with, including the Internet and related systems, may be vulnerable to physical break-ins, hackers, improper employee or contractor access, computer viruses, programming errors, or similar problems. Any of these might result in confidential medical, business or other information of other persons or of ourselves being revealed to unauthorized persons.

There are a number of state, federal and international laws protecting the privacy and security of health information and personal data. As part of the American Recovery and Reinvestment Act of 2009, or ARRA, Congress amended the privacy and security provisions of the Health Insurance Portability and Accountability Act, or HIPAA. HIPAA imposes limitations on the use and disclosure of an individual’s healthcare information by healthcare providers, healthcare clearinghouses, and health insurance plans, collectively referred to as covered entities, and also grants individuals rights with respect to their health information. HIPAA also imposes compliance obligations and corresponding penalties for non-compliance on individuals and entities that provide services to healthcare providers and other covered entities, collectively referred to as business associates. ARRA also made significant increases in the penalties for improper use or disclosure of an individual’s health information under HIPAA and extended enforcement authority to state attorneys general. As amended by ARRA and subsequently by the final omnibus rule adopted in 2013, or Final Omnibus Rule, HIPAA also imposes notification requirements on covered entities in the event that certain health information has been inappropriately accessed or disclosed: notification requirements to individuals, federal regulators, and in some cases, notification to local and national media. Notification is not required under HIPAA if the health information that is improperly used or disclosed is deemed secured in accordance with encryption or other standards developed by the U.S. Department of Health and Human Services, or HHS. Most states have laws requiring notification of affected individuals and/or state regulators in the event of a breach of personal information, which is a broader class of information than the health information protected by HIPAA. Many state laws impose significant data security requirements, such as encryption or mandatory contractual terms to ensure ongoing protection of personal information. Activities outside of the United States implicate local and national data protection standards, impose additional compliance requirements and generate additional risks of enforcement for non-compliance. We may be required to expend significant capital and other resources to ensure ongoing compliance with applicable privacy and data security laws, to protect against security breaches and hackers or to alleviate problems caused by such breaches.

*We depend onIf our information technology ~~and telecommunications~~ systems ~~and any failure~~or data, or those of ~~these systems~~third parties upon which we rely, are or were compromised, we could experience adverse consequences, including, without limitation, regulatory investigations or actions, litigation, interruption to our operations, harm to our ~~business.~~reputation, fines, penalties, liability, or a loss of revenues, customers or sales, or other adverse consequences.*

~~We depend on information technology and telecommunications systems for significant aspects~~In the ordinary course of our ~~operations.~~business, we may process proprietary, confidential and sensitive information, personal data (including health information), intellectual property, trade secrets, and other sensitive business information owned or controlled by ourselves or other parties (collectively, sensitive information). In addition, ~~our~~we rely upon third-party ~~billing software provider depends upon telecommunications~~service providers and ~~data~~technologies to operate critical business systems ~~provided by outside vendors and~~to process sensitive information ~~we provide on a regular basis. These information technology and telecommunications systems support~~in a variety of ~~functions,~~contexts, including without limitation, assay processing, sample tracking, quality control, customer service and support, encryption and authentication technology, employee email, billing and reimbursement, research and development activities and our general and administrative activities. ~~Information technology~~Our ability to monitor these third parties’ information security practices is limited, and ~~telecommunications systems are~~these third parties may not have adequate information security measures in place. We may share or receive sensitive information with or from third parties.

Despite the implementation of security measures, we and the third parties upon whom we rely (including the Internet and related systems) may be vulnerable to ~~damage~~cyberattacks, malicious internet-based activity and online and offline fraud, which are becoming increasingly prevalent and difficult to detect. These threats come from a variety of sources, including traditional computer “hackers,” threat actors, personnel misconduct or error, employee theft or misuse, sophisticated nation-state and nation-state supported actors. Some actors now engage and are expected to continue to engage in cyberattacks, including without limitation nation-state actors for geopolitical reasons and in conjunction with military conflicts and defense activities. During times of war and other major conflicts, we and the third parties upon which we rely may be vulnerable to a heightened risk of these attacks, including cyberattacks, that could materially disrupt our systems and operations, supply chain, and ability to produce, sell and distribute our products.

We and the third parties upon whom we rely are subject to a variety of evolving threats, including but are not limited to social engineering attacks, (including through phishing attacks)software bugs, malicious code (such as viruses and worms), denial-of-service attacks (such as credential stuffing), ransomware attacks, supply chain attacks, malware installation (including as a result of advanced persistent threat intrusions), server malfunction, ransomware attacks, supply-chain attacks, software or hardware failures, loss of data or other computer assets, adware, physical break-ins, fires, telecommunications or network failures, malicious human acts, natural disasters, or other similar issues. Ransomware attacks, including those from organized criminal threat actors, nation-states, and ~~natural disasters. Moreover, despite network~~nation-state supported actors, are becoming increasingly prevalent and severe and can lead to significant interruptions, delays, or outages in our operations, disruption of clinical trials, loss of sensitive information (including data related to clinical trials), loss of income, significant extra expenses to restore data or systems, reputational loss and the diversion of funds. To alleviate the financial, operational and reputational impact of a ransomware attack, it may be preferable to make extortion payments, but we may be unwilling or unable to do so (including, for example, if applicable laws or regulations prohibit such payments). Similarly, supply chain attacks have increased in frequency and severity, and we cannot guarantee that third parties and infrastructure in our supply chain have not been compromised or that they do

not contain exploitable defects or bugs that could result in a breach of or disruption to our platform, systems and networks or the systems and networks of third parties that support us and our services. Despite the security controls we have in place, such attacks are very difficult to avoid. The COVID-19 pandemic and ~~back-up measures, some~~our partially remote workforce poses increased risks to our information technology systems and data, as more of our ~~servers are potentially vulnerable~~employees work from utilizing network connections outside our premises. Future or past business transactions (such as acquisitions or integrations) could expose us to ~~physical~~additional cybersecurity risks and vulnerabilities, as our systems could be negatively affected by vulnerabilities present in acquired or ~~electronic break-ins, computer viruses~~integrated entities’ systems and technologies.

Any of the aforementioned threats and other similar ~~disruptive problems.~~attacks, disruptions or accidents could cause a security incident, which, in turn, could result in unauthorized access to, damage to, disablement or encryption of, use or misuse of, disclosure of, modification of, destruction of, or loss of our sensitive information, or disrupt our ability to provide our platform or our service providers’ ability to support our services or develop or deliver our products. A security incident or other interruption could disrupt our ability (and that of third parties upon whom we rely) to provide our products. We may expend significant resources, fundamentally change our business activities and practices (including our clinical trial activities and practices) or modify our operations in an effort to protect against security incidents and to mitigate, detect and address actual and potential vulnerabilities. Certain data privacy and security obligations may require us to implement and maintain specific, industry-standard or reasonable security measures to protect our information technology systems and sensitive information. Despite the precautionary measures we have taken to try to prevent ~~unanticipated problems~~a security incident, there can be no assurance that ~~could affect~~these measures will be effective. We may be unable in the future to detect vulnerabilities in our information technology systems because such threats and ~~telecommunications systems, failures or significant downtime of~~techniques change frequently, are often sophisticated in nature, and may not be detected until after a security incident has occurred. Despite our effects to identify and address vulnerabilities, if any, in our information technology systems, our efforts may not be successful. Further, we may experience delays in developing and deploying remedial measures designed to address any such identified vulnerabilities.

Applicable data privacy and security obligations may require us to notify relevant stakeholders of security incidents. Such disclosures are costly, and the disclosure of any security incident or ~~telecommunications systems or those used by our third-party service providers~~the failure to comply with such requirements could ~~prevent us from processing assays, providing assay results~~lead to oncologists, pathologists, billing payers, processing reimbursement appeals, handling patient or physician inquiries, conducting research and development activities and managing the administrative aspects of our business.adverse consequences. Any disruption or loss of information technology or telecommunications systems on which critical aspects of our operations depend could have an adverse effect on our business, such as preventing us from processing assays; providing assay results to medical oncologists, neuro-oncologists, surgical oncologists, urologists, pulmonologists, pathologists, and other physicians; billing payers; processing reimbursement appeals; handling patient or physician inquiries; conducting research and development activities and managing the administrative aspects of our business.

Furthermore, if we or any third party upon whom we rely experience a security incident, or are perceived to have experienced a security incident, it could result in: government enforcement actions that could include investigations, fines, penalties, audits and inspections; additional reporting requirements and/or oversight; restrictions on processing personal data or sensitive information (which could impact our ability to conduct tests or develop our products); litigation (including class claims); indemnification obligations; negative publicity; reputational harm; monetary fund diversions; interruptions in our operations; financial loss; and other similar harms.

Furthermore, there can be no assurance that our contracts contain limitations of liability, and even where they do, such limitations may not be enforceable, adequate or otherwise protect us from liabilities or damages if we fail to comply with obligations related to security incidents. We cannot be sure that our insurance coverage will be adequate or sufficient to protect us from or mitigate liabilities arising out of our privacy and security practices, that such coverage will continue to be available on commercial reasonable terms or at all, or that such coverage will pay future claims.

Healthcare policy changes, including recently enacted legislation reforming the U.S. health care system, may have a material adverse effect on our financial condition, results of operations and cash flows. *

The Patient Protection and Affordable Care Act, as amended by the Health Care and Education Reconciliation Act, or collectively the ACA, enacted in March 2010, ~~makes~~made a number of substantial changes in the way health care is financed by both governmental and private insurers. ~~Among other things, the ACA:~~

Although some of these provisions may negatively impact payment rates for clinical laboratory tests, the ACA also extends coverage to over 30 million previously uninsured people, which ~~may result~~resulted in an increase in the demand for our current assays and our planned future assays. ~~The mandatory purchase~~There have been executive, judicial and congressional challenges to certain aspects of ~~insurance~~the ACA.For example, President Trump signed several executive orders and other directives designed to delay, circumvent, or loosen certain requirements mandated by the ACA. Concurrently, Congress considered legislation that would repeal or repeal and replace all or part of the ACA. While Congress has ~~been strenuously opposed by a number of state governors, resulting in lawsuits challenging the constitutionality of~~not passed repeal legislation, it has enacted laws that modify certain provisions of the ~~ACA. In 2012, the Supreme Court upheld the constitutionality of the~~ ACA such as removing penalties effective January 1, 2019, for not complying with the ~~exception of certain provisions dealing with the expansion of Medicaid coverage under the law. Recently, the U.S. House of Representatives~~ACA’s individual mandate to carry health insurance and Senate passed legislation, which, if signed into law by President Trump, would repeal certain aspects of the ACA. Further, on January 20, 2017, President Trump signed an Executive Order directing federal agencies with authorities and responsibilities under the ACA to waive, defer, grant exemptions from, or delayeliminating the implementation of ~~any provision~~certain ACA-mandated fees, including but not limited the Medical Device Excise Tax. On June 17, 2021, the U.S. 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. Thus, the ACA will remain in effect in its current form. Further, prior to the U.S. Supreme Court ruling,on January 28, 2021, President Biden issued an executive order that initiated a special enrollment period for purposes of obtaining health insurance coverage through the ACA marketplace. 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 unclear how such challenges and the healthcare reform measures of the ACA that would impose a fiscal or regulatory burden on states, individuals, healthcare providers, health insurers, or manufacturers of pharmaceuticals or medical devices. Congress also could consider subsequent legislation to replace elements ofBiden administration will impact the ~~ACA that are repealed.~~ACA.

In addition, other legislative changes have been proposed and adopted since the ACA was enacted. The Protecting Access to Medicare Act of 2014, or PAMA, was signed to law, which, among other things, significantly ~~alters~~altered the current payment methodology under the Medicare Clinical Laboratory Fee Schedule, or CLFS. ~~Under the new law, starting January 1, 2016~~Beginning in 2017 and every three years thereafter (or annually in the case of advanced diagnostic ~~lab~~laboratory tests), applicable clinical laboratories must report laboratory test payment data for each Medicare-covered clinical diagnostic ~~lab~~laboratory test that it furnishes during athe specified time ~~period to be defined by future regulations.~~period. The reported data must include the payment rate (reflecting all discounts, rebates, coupons and other price concessions) and the volume of each test that was paid by each private payer (including health insurance issuers, group health plans, Medicare Advantage plans and Medicaid managed care organizations). ~~Beginning in 2017,~~Effective January 1, 2018, the Medicare payment rate for each clinical diagnostic ~~lab~~laboratory test is equal to the weighted median amount for the test from the most recent data collection period. The payment rate ~~will apply~~applies to laboratory tests furnished by a hospital laboratory if the test is separately paid under the hospital outpatient prospective payment system. ~~Although~~The PAMA rate changes did not materially affect our payments beginning in 2018; however, we cannot predict how this may affect future payment in coming years. Reporting of payment data under PAMA for clinical diagnostic laboratory tests has been delayed on numerous occasions. Based on current law, between January 1, 2023 and June 30, 2023, applicable laboratories will be required to report on data collected during January 1, 2019 and June 30, 2019. This data will be utilized to determine 2024 to 2026 CLFS rates. In addition, CMS updated the statutory phase-in provisions such that the rates for clinical diagnostic laboratory tests in 2020 could not be reduced by more than 10% of the rates for 2019. Pursuant to the CARES Act, the statutory phase-in of the payment reductions has been extended through 2024, with a 0% reduction cap for 2021-2022 and a 15% reduction cap for 2023 through 2025. It is unclear what impact new quality and payment programs or new pricing structures, such as those adopted under PAMA, ~~changes are generally viewed by industry as a favorable alternative to other proposals to update the CLFS payment methodology, it is too early to predict the impact~~may have on ~~reimbursement for~~ our ~~products.~~ business, financial condition, results of operations, or cash flows.

Also, under PAMA, ~~the Centers for Medicare & Medicaid Services, or~~ CMS is required to adopt temporary billing codes to identify new tests and new advanced diagnostic laboratory tests that have been cleared or approved by the FDA. For an existing test that is cleared or approved by the FDA and for which Medicare payment is made as of April 1, 2014, CMS is required to assign a unique billing code if one has not already been assigned by the agency. In addition to assigning the code, CMS ~~was~~is required to publicly report payment for the ~~tests no later than January 1, 2016. Also~~tests. Further, under PAMA, CMS is required to adopt temporary billing codes to identify new tests and new advanced diagnostic laboratory tests that have been cleared or approved by the FDA. We cannot determine at this time the full impact of PAMA, including its implementing regulations, on our business, financial condition and results of operations.

Additionally, the Budget Control Act of 2011, among other things, created the Joint Select Committee on Deficit Reduction to recommend proposals in spending reductions to Congress. The Joint Select Committee did not achieve its targeted deficit reduction of at least $1.2 trillion for the years 2013 through 2021, triggering the ~~legislation~~’slegislation’s automatic reduction to several government programs. This includes aggregate reductions to Medicare payments to providers and suppliers of up to 2% per fiscal year, starting in 2013, and, due to subsequent legislative amendments to the statute, will remain in effect through ~~2024~~2031 unless additional congressional action is taken. COVID-19 relief legislation suspended the 2% Medicare sequester from May 1, 2020 through June 30, 2022. Under current legislation, the actual reduction in Medicare payments will vary from 1% in 2022 to up to 3% in the final fiscal year of this sequester. The full impact on our business the sequester law is uncertain. In addition, the ~~Middle Class~~Middle-Class Tax Relief and Job Creation Act of 2012, or MCTRJCA, mandated an additional change in Medicare reimbursement for clinical laboratory tests. In addition, Congress is considering additional health reform measures as part of other reform initiatives.

In April 2020, the CMS announced that it would increase the reimbursement for certain COVID-19 molecular tests making use of high-throughput technologies developed by the private sector that allow for increased testing capacity, faster results, and more effective means of combating the spread of the virus to $100 per test, effective April 14, 2020. However, beginning January 1, 2021, Medicare changed the base reimbursement rate for COVID-19 diagnostic tests run on high-throughput technologies to $75 per test with an

additional payment of $25 per test if certain additional requirements are met. Moreover, in March 2022, the HRSA informed providers that, after March 22, 2022, it would stop accepting claims for testing and treatment for uninsured individuals under the HRSA COVID-19 Uninsured Program and that claims submitted prior to that date would be subject to eligibility and availability of funds.

Some of our laboratory assay business is subject to the Medicare Physician Fee Schedule and, under the current statutory formula, the rates for these services are updated annually. For the past several years, the application of the statutory formula would have resulted in substantial payment reductions if Congress failed to intervene. In the past, Congress passed interim legislation to prevent the decreases. A recent legislative intervention was passed with PAMA, which provided for a 0.5% update from 2013 Medicare Physician Fee Schedule payment rates through 2014 and a 0% update from January 1 until April 1, 2015. If Congress fails to intervene to prevent the negative update factor in future years, the resulting decrease in payment may adversely affect our revenue and results of operations. If in future years Congress does not adopt interim legislation to block or offset, and/or CMS does not moderate, any substantial ~~CMS-~~

~~proposed~~CMS-proposed reimbursement reductions, the resulting decrease in payments from Medicare could adversely impact our revenues and results of operations.

In addition, it is possible that additional governmental action is taken in response to the COVID-19 pandemic.

We cannot predict whether future health care initiatives will be implemented at the federal or state ~~level, or how any future legislation or regulation may affect us.~~level. For example, based on a recent executive order, the Biden administration expressed its intent to pursue certain policy initiatives to reduce drug prices. The expansion of ~~government~~’sgovernment’s role in the U.S. health care industry, and changes to the reimbursement amounts paid by Medicare and other payers for our current assays and our planned future assays, may reduce our profits, if any, and have a materially adverse effect on our business, financial condition, results of operations and cash flows. Moreover, Congress has proposed on several occasions to impose a 20% coinsurance payment requirement on patients for clinical laboratory tests reimbursed under the ~~Medicare Clinical Laboratory Fee Schedule,~~CLFS, which would require us to bill patients for these amounts. In the event that Congress were to ever enact such legislation, the cost of billing and collecting for our assays could often exceed the amount actually received from the patient.

Our commercial success could be compromised if hospitals or other clients do not pay our invoices or if third-party payers, including managed care organizations and Medicare, do not provide coverage and reimbursement, breach, rescind or modify their contracts or reimbursement policies or delay payments for our current assays and our planned future assays.

~~Oncologists~~Medical oncologists, neuro-oncologists, surgical oncologists, urologists, pulmonologists, pathologists and other physicians may not order our current assays and our planned future assays unless third-party payers, such as managed care organizations and government payers (e.g., Medicare and Medicaid), pay a substantial portion of the assay price. Coverage and reimbursement by a third-party payer may depend on a number of factors, including a ~~payer~~’spayer’s determination that assays using our technologies are:

Uncertainty surrounds third-party payer coverage and adequate reimbursement of any test incorporating new technology, including tests developed using our technologies. Technology assessments of new medical tests conducted by research centers and other entities may be disseminated to interested parties for informational purposes. Third-party payers and health care providers may use such technology assessments as grounds to deny coverage for a test or procedure. Technology assessments can include evaluation of clinical utility studies, which define how a test is used in a particular clinical setting or situation.

Because each payer generally determines for its own enrollees or insured patients whether to cover or otherwise establish a policy to reimburse our diagnostic assays, seeking payer approvals is a time-consuming and costly process. We cannot be certain that coverage for our current assays and our planned future assays will be provided in the future by additional third-party payers or that existing agreements, policy decisions or reimbursement levels will remain in place or be fulfilled under existing terms and provisions. If we cannot obtain coverage and adequate reimbursement from private and governmental payers such as Medicare and Medicaid for our current assays, or new assays or assay enhancements that we may develop in the future, our ability to generate revenues could be limited, which may have a material adverse effect on our financial condition, results of operations and cash flow. Further, we may experience delays and interruptions in the receipt of payments from third-party payers due to missing documentation and/or other issues, which could cause delay in collecting our revenue.

In addition, to the extent that our assays are ordered for Medicare inpatients and outpatients, only the hospital may receive payment from the Medicare program for the technical component of pathology services and any clinical laboratory services that we perform, unless the testing is ordered at least 14 days after discharge and certain other requirements are met. We therefore must look to the hospital for payment for these services under these circumstances. If hospitals refuse to pay for the services or fail to pay in a timely manner, our ability to generate revenues could be limited, which may have a material adverse effect on our financial condition, results of operations and cash flow.

*We expect to depend on Medicare and a limited number of private payers for a significant portion of our revenues and if these or other payers stop providing reimbursement or decrease the amount of reimbursement for our current assays and our planned future assays, our revenues could decline. *

Approximately ~~40%~~56% and ~~41%~~32% of total net revenues during the year ended December 31, ~~2016~~2021, and the ~~nine month period~~six months ended ~~September~~June 30, ~~2017,~~2022, 2022, respectively, were associated with Medicare and CARES Act reimbursement. Approximately ~~11%~~17% and ~~17%~~16% of total net revenues

during the year ended December 31, ~~2016~~2021, and the ~~nine-month period~~six months ended ~~September~~June 30, ~~2017,~~2022, respectively, were associated with Blue Cross Blue Shield ~~reimbursement, and approximately 19% and 12%, respectively, of total net revenues were associated with United Healthcare~~ reimbursement. We cannot assure you that, even if our current assays and our planned future assays are otherwise successful, reimbursement for the currently Medicare and Blue Cross Blue Shield ~~and United Healthcare covered-portions~~covered portions of our current assays and our planned future assays would, without such contracted payer reimbursement for the capture/enumeration portion, produce sufficient revenues to enable us to reach profitability and achieve our other commercial objectives.

Medicare and other third-party payers may change their coverage policies or cancel future contracts with us at any time, review and adjust the rate of reimbursement or stop paying for our assays altogether, which would reduce our total revenues. Payers have increased their efforts to control the cost, utilization and delivery of health care services. In the past, measures have been undertaken to reduce payment rates for and decrease utilization of ~~the~~ clinical laboratory testing generally. Because of the cost-trimming trends, third-party payers that currently cover and provide reimbursement for our current assays and our planned future assays may suspend, revoke or discontinue coverage at any time, or may reduce the reimbursement rates payable to us. Any such action could have a negative impact on our revenues, which may have a material adverse effect on our financial condition, results of operations and cash flows.

In addition, we are currently considered a “~~non-contracted provider~~”“non-contracted provider” by many private payers because we have not entered into a specific contract to provide diagnostic assays to their insured patients at specified rates of reimbursement. Additionally, a significant amount of our non-Medicare business (private payers) has historically not been contracted, and reimbursement for this business has historically not been at “in network” rates and has therefore been inconsistent. We first began to contract private payer networks in 2015, and since then our number of accessions treated as “in network” has increased as we continue to execute additional contracts, and reimbursement is improving. We are currently contracted with nine preferred provider organization networks, ~~two~~three large health plans, and five regional independent physician associations, and expect to continue to gain contracts in order to be considered as an “in-network” provider with additional plans. If we were to become a contracted provider with additional payers in the future, the amount of overall reimbursement we receive would likely decrease because we could be reimbursed less money per assay performed at a contracted rate than at a non-contracted rate, which could have a negative impact on our revenues. Further, we typically are unable to collect payments from patients beyond that which is paid by their insurance and will continue to experience lost revenue as a result.

*Because of certain Medicare billing policies, we may not receive complete reimbursement for assays provided to Medicare patients. Medicare reimbursement revenues are an important component of our business model, and private payers sometimes look to Medicare determinations when making their own payment determinations; therefore, incomplete or inadequate reimbursement from Medicare would negatively affect our business. *

Medicare has coverage policies that can be national or regional in scope. Coverage means that assay is approved as a benefit for Medicare beneficiaries. If there is no coverage, neither the supplier nor any other party, such as a reference laboratory, may receive reimbursement from Medicare for the service. There is currently no national coverage policy regarding the CTC enumeration portion of our assays. Because our laboratory is in California, the regional Medicare Administrative Contractor, or MAC, for California is the relevant MAC for all our assays. The previous MAC for California, Palmetto, ~~GBA, LLC,~~ which is contracted with CMS to administer the Molecular Diagnostic Services, or MolDx, program that sets guidelines for coding, coverage and reimbursement of molecular diagnostic assays, adopted a negative coverage policy for CTC enumeration. The current MAC for California, Noridian Healthcare Solutions, LLC, is adopting the coverage policies from ~~Palmetto GBA.~~Palmetto. Therefore, the enumeration portion of our assays is not currently covered, and we will receive no payment from Medicare for this portion of the service unless and until the coverage policy is changed. Although approximately 84% and 77% of all billable cases received during the year ended December 31, 2016 and the nine month period ended September 30, 2017, respectively, relate to our Target-Selector biomarker assays, we continue to receive orders for traditional enumeration testing, which counts disease burden, and therefore the enumeration testing receives no payment from Medicare based upon the existing coverage decision. On November 4, 2013, we submitted a comprehensive dossier explaining to Palmetto GBA and Noridian the benefits of the enumeration testing in order to seek to persuade the MACs to allow coverage for this portion of our assays. Palmetto GBA responded on November 27, 2013, denying our request for Medicare coverage for the CTC enumeration portion of our assays. We have not received any other indications to suggest that the negative coverage determination will be reversed. The CTC enumeration counts disease burden and is a prognostic assay, and although valuable, it does not yet meet many of the medical necessity requirements of Medicare and the payers. We intend to pursue payment for the capture portion of our CTC technology that allows us to run our diagnostic testing for some of our ~~Target-Selector~~Target Selector assays.

We cannot assure you that, even if our current assays and our planned future assays are otherwise successful, reimbursement for the currently Medicare, Blue Cross Blue Shield, and United Healthcare-covered portions of our current assays and our planned future assays

would, without such contracted payer reimbursement for the capture/enumeration portion, produce sufficient revenues to enable us to reach profitability and achieve our other commercial objectives.

The processing of Medicare claims is subject to change at ~~CMS~~’CMS’ discretion at any time. Cost containment initiatives may be a threat to Medicare reimbursement levels (including for the covered components of our current assays and our planned future assays, including FISH analysis and molecular assays) for the foreseeable future.

Long payment cycles of Medicare, Medicaid and/or other third-party payers, or other payment delays, could hurt our cash flows and increase our need for working capital.

Medicare and Medicaid have complex billing and documentation requirements that we must satisfy in order to receive payment, and the programs can be expected to carefully audit and monitor our compliance with these requirements. We must also comply with numerous other laws applicable to billing and payment for healthcare services, including, for example, privacy laws. Failure to comply with these requirements may result in, among other things, non-payment, refunds, exclusion from government healthcare programs, and civil or criminal liabilities, any of which may have a material adverse effect on our revenues and earnings. In addition, failure by third-party payers to properly process our payment claims in a timely manner could delay our receipt of payment for our products and services, which may have a material adverse effect on our cash flows.

Complying with numerous regulations pertaining to our business is an expensive and time-consuming process, and any failure to comply could result in substantial penalties.

We are subject to CLIA, a federal law regulating clinical laboratories that perform testing on specimens derived from humans for the purpose of providing information for the diagnosis, prevention or treatment of disease. Our clinical laboratory must be certified under CLIA in order for us to perform testing on human specimens. CLIA is intended to ensure the quality and reliability of clinical laboratories in the United States by mandating specific standards in the areas of personnel qualifications, administration, and participation in proficiency testing, patient test management, quality control, quality assurance and inspections. We have a current certificate of accreditation under CLIA to perform high complexity testing, and our laboratory is accredited by ~~the College of American Pathologists, or CAP,~~ one of ~~six~~the CLIA-approved accreditation organizations. To renew this certificate, we are subject to survey and inspection every two years. Moreover, CLIA and CAP inspectors may make periodic inspections of our clinical laboratory outside of the renewal process. The failure to comply with CLIA or CAP requirements can result in enforcement actions, including the revocation, suspension, or limitation of our CLIA and/or CAP certificate of accreditation, as well as a directed plan of correction, state on-site monitoring, civil money penalties, civil injunctive suit and/or criminal penalties. We must maintain CLIA compliance and certification to be eligible to bill for assays provided to Medicare beneficiaries. If we were to be found out of compliance with CLIA program requirements and subjected to sanctions, our business and reputation could be harmed. Even if it were possible for us to bring our laboratory back into compliance, we could incur significant expenses and potentially lose revenue in doing so.

In addition, our laboratory is located in California and is required by state law to have a California state license; as we expand our geographic focus, we may need to obtain laboratory licenses from additional states. California laws establish standards for operation of our clinical laboratory, including the training and skills required of personnel and quality control. In addition, we hold licenses from the states of Pennsylvania, ~~Florida,~~ Maryland and Rhode Island to test specimens from patients in those states or received from ordering physicians in those states. In addition, our clinical reference laboratory is required to be licensed on a product-specific basis by New York as an out of state laboratory and our products, as LDTs, must be approved by the New York State Department of Health before they are offered in New York. As part of this process, the State of New York requires validation of our assays. We currently do not have the necessary New York license, but we are in the process of addressing the requirements for licensure in New York. Other states may have similar requirements or may adopt similar requirements in the future. Finally, we may be subject to regulation in foreign jurisdictions if we seek to expand international distribution of our assays outside the United States.

If we were to lose our CLIA certification or California or other state laboratory license, whether as a result of a revocation, suspension or limitation, we would no longer be able to offer our assays, which would limit our revenues and harm our business. If we were to lose, or fail to obtain, a license in any other state where we are required to hold a license, we would not be able to test specimens from those states. If we were to lose our CAP accreditation, our reputation for quality, as well as our business, financial condition and results of operations, could be significantly and adversely affected.

*If the FDA were to begin requiring approval or clearance of our current products or assays and our planned future products or assays, we could incur substantial costs and time delays associated with meeting requirements for pre-market clearance or approval or we could experience decreased demand for, or reimbursement of, our assays.

We provide our assays as LDTs. Historically; the FDA has exercised enforcement discretion with respect to most LDTs and has not required laboratories that offer LDTs to comply with the agency’s requirements for medical devices (e.g., establishment registration,

device listing, quality systems regulations, premarket clearance or premarket approval, and post-market controls). In recent years, however, the FDA has stated it intends to end its policy of enforcement discretion and regulate certain LDTs as medical devices. To this end, on October 3, 2014, the FDA issued two draft guidance documents, entitled “Framework for Regulatory Oversight of Laboratory Developed Tests (LDTs)” and “FDA Notification and Medical Device Reporting for Laboratory Developed Tests (LDTs)”, respectively, that set forth a proposed risk-based regulatory framework that would apply varying levels of FDA oversight to LDTs.

The FDA has indicated that it does not intend to modify its policy of enforcement discretion until the draft guidance documents are finalized. In January 2017, the FDA announced that final guidance on the oversight of LDTs would allow for further public discussion. On January 13, 2017 the FDA issued a “Discussion Paper on Laboratory Developed Tests (LDTs),” which states that the material in the document does not represent a final version of the LDT draft guidance documents that were published in 2014 or position of the FDA; rather, the document is a method to encourage additional dialogue. The timing of when, if at all, the draft guidance documents will be finalized is unclear, and even then, the new regulatory requirements are proposed to be phased-in consistent with the schedule set forth in the ~~guidance (in as little as 12 months after the draft guidance is finalized for certain high-priority LDTs).~~guidance. Nevertheless, the FDA may decide to regulate certain LDTs on a case-by-case basis at any time. LDTs with the same intended use as a cleared or approved companion diagnostic are defined in FDA’s draft guidance as “high-risk LDTs (Class III medical devices)” for which premarket review would be first to occur.

FDA review, if required and successfully accomplished, would be expected to have some advantages. Certain health insurance payers have paid higher amounts over LDT prices for FDA approved or cleared tests, recognizing the additional costs of bringing a test through regulatory review. Some payers also accept FDA approval or clearance as a presumptive evidence of an assay’s analytic validity and clinical validity, which can reduce the barriers to coverage since the payer can focus its review on clinical utility.

The container we provide for collection and transport of blood samples from a health care provider to our clinical laboratory, as well as our ~~BCTs,~~SCTs, may be medical devices subject to the FDA regulation but are currently exempt from pre-market review by the FDA. While we believe that we are currently in material compliance with applicable laws and regulations, we cannot assure you that the FDA or other regulatory agencies would agree with our determination, and a determination that we have violated these laws, or a public announcement that we are being investigated for possible violations of these laws, could adversely affect our business, prospects, results of operations or financial condition.

Some of the materials we use for our current products, assays and ~~assays~~services and may use in our planned future products, assays and ~~assays~~services are labeled for RUO. In November 2013, the FDA finalized guidance regarding the sale and use of products labeled for research or investigational use only. Among other things, the guidance advises that the FDA continues to be concerned about distribution of research or investigational use only products intended for clinical diagnostic use and that the manufacturer’s objective intent for the product’s intended use will be determined by examining the totality of circumstances, including advertising, instructions for clinical interpretation, presentations that describe clinical use, and specialized technical support, surrounding the distribution of the product in question. The FDA has advised that if evidence demonstrates that a product is inappropriately labeled for research or investigational use only, the device would be misbranded and adulterated within the meaning of the Federal Food, Drug and Cosmetic Act. Some of the materials and reagents obtained by us from suppliers for use in our current products, assays and ~~assays~~services and our planned future products, assays and ~~assays~~services are currently labeled as research or investigational use only products. If the FDA were to undertake enforcement actions, some of our suppliers might cease selling research or investigational use products to us, and any failure to obtain an acceptable substitute could significantly and adversely affect our business, financial condition and results of operations, including increasing the cost of materials or reagents used in our current products, assays and ~~assays~~services or planned future products, assays and ~~assays~~services or delaying, limiting or prohibiting the purchase of materials or reagents necessary to sell our current products or planned future products or to perform our current assays or our planned future assays.

Our ~~BCTs will be~~SCTs and Target Selector kits are marketed for RUO and distributed and sold to end users, some of which will be researchers and institutions while other end users could be labs performing clinical testing that will create their own ~~LDTs utilizing our tubes.~~LDTs. Some end users ~~of the BCTs~~ may assert that our ~~BCT~~ROU products caused their assays to perform inadequately or give erroneous results. If that was the case, we could potentially incur additional liabilities.

Further, the Department of Health and Human Services, or HHS, requested that its Advisory Committee on Genetics, Health and Society make recommendations about the oversight of genetic testing. A final report was published in April 2008. If the report’s recommendations for increased oversight of genetic testing were to result in further regulatory burdens, they could negatively affect our business and delay the commercialization of assays in development.

Additionally, on March 16, 2018 CMS issued a final determination decision memo for Next-Generation Sequencing, or NGS, tests for Medicare Beneficiaries with Advanced Cancer (CAG-00450N). Under this final determination, NGS tests that gain FDA approval or clearance as a companion diagnostic will receive coverage, and the final determination of coverage for NGS tests that are LDTs will be left up to the local MAC. Currently, only 1 of our 15 CLIA validated assays is NGS-based; however, we plan to offer additional NGS assays in the future. To gain coverage for those assays, we will need to apply to Palmetto, which is the MAC that evaluates and recommends payment coverage or denial for molecular testing in our jurisdiction. Historically, Palmetto has offered a path to

reimbursement by providing coverage while data is being gathered known as Coverage with Data Development, or CDD. Going forward, the extent to which CDD will be continued, if at all, or to the extent that a process will be available in its place, if any, are unclear.

The requirement of pre-market review could negatively affect our business until such review is completed and clearance to market or approval is obtained. The FDA could require that we stop selling our products or diagnostic assays pending pre-market clearance or approval. If the FDA allows our products or assays to remain on the market but there is uncertainty about our products or assays, if they are labeled investigational by the FDA or if labeling claims the FDA allows us to make are very limited, orders from laboratory supply distributors and physicians, or reimbursement from third-party payers, may decline. The regulatory approval process may involve, among other things, successfully completing additional clinical trials and making a 510(k) submission or filing a pre-market approval application with the FDA. If the FDA requires pre-market review, our products or assays may not be cleared or approved on a timely basis, if at all. We may also decide voluntarily to pursue FDA pre-market review of our products or assays if we determine that doing so would be appropriate.

If we were required to conduct additional clinical studies or trials before continuing to offer assays that we have developed or may develop as LDTs, those studies or trials could lead to delays or failure to obtain necessary regulatory approval, which could cause significant delays in commercializing any future products and harm our ability to achieve sustained profitability.

If the FDA decides to require that we obtain clearance or approvals to commercialize our current assays or our planned future assays, we may be required to conduct additional pre-market clinical testing before submitting a regulatory notification or application for commercial sales. In addition, as part of our long-term strategy we may plan to seek FDA clearance or approval, so we can sell our assays outside our CLIA laboratory; however, we would need to conduct additional clinical validation activities on our assays before we can submit an application for FDA approval or clearance. Clinical trials must be conducted in compliance with FDA regulations, or the FDA may take enforcement action or reject the data. The data collected from these clinical trials may ultimately be used to support market clearance or approval for our assays. It may take two years or more to conduct the clinical studies and trials necessary to obtain approval from the FDA to commercially launch our current assays and our planned future assays outside of our clinical laboratory. Even if our clinical trials are completed as planned, we cannot be certain that their results will support our assay claims or that the FDA or foreign authorities will agree with our conclusions regarding our assay results. Success in early clinical trials does not ensure that later clinical trials will be successful, and we cannot be sure that the later trials will replicate the results of prior clinical trials and studies. If we are required to conduct pre-market clinical trials, whether using prospectively acquired samples or archival samples, delays in the commencement or completion of clinical testing could significantly increase our assay development costs and delay commercialization. Many of the factors that may cause or lead to a delay in the commencement or completion of clinical trials may also ultimately lead to delay or denial of regulatory clearance or approval. The commencement of clinical trials may be delayed due to insufficient patient enrollment, which is a function of many factors, including the size of the patient population, the nature of the protocol, the proximity of patients to clinical sites and the eligibility criteria for the clinical trial. Moreover, the clinical trial process may fail to demonstrate that our current assays and our planned future assays are effective for the proposed indicated uses, which could cause us to abandon an assay candidate and may delay development of other assays.

We ~~may find it necessary to engage~~have engaged contract research organizations to perform data collection and analysis and other aspects of our clinical trials, which might increase the cost and complexity of our trials. We may also depend on clinical investigators, medical institutions and contract research organizations to perform the trials properly. If these parties do not successfully carry out their contractual duties or obligations or meet expected deadlines, or if the quality, completeness or accuracy of the clinical data they obtain is compromised due to the failure to adhere to our clinical protocols or for other reasons, our clinical trials may have to be extended, delayed or terminated. Many of these factors would be beyond our control. We may not be able to enter into replacement arrangements without undue delays or considerable expenditures. If there are delays in testing or approvals as a result of the failure to perform by third parties, our research and development costs would increase, and we may not be able to obtain regulatory clearance or approval for our current assays and our planned future assays. In addition, we may not be able to establish or maintain relationships with these parties on favorable terms, if at all. Each of these outcomes would harm our ability to market our assays or to achieve sustained profitability.

We are subject to federal and state healthcare fraud and abuse laws and regulations and could face substantial penalties if we are unable to fully comply with such laws.

We are subject to health care fraud and abuse regulation and enforcement by both the federal government and the states in which we conduct our business. These health care laws and regulations include, for example:

Further, the ACA, among other things, ~~amends~~amended the intent requirement of the federal Anti-Kickback Statute and certain criminal health care fraud statutes. Where the intent requirement has been lowered, a person or entity no longer needs to have actual knowledge of this statute or specific intent to violate ~~it.~~it in order to have committed a violation. In addition, the government may now assert that a claim including items or services resulting from a violation of the federal Anti-Kickback Statute constitutes a false or fraudulent claim for purposes of the false claims statutes. Any action brought against us for violation of these laws or regulations, even if we successfully defend against it, could cause us to incur significant legal expenses and divert our ~~management~~’smanagement’s attention from the operation of our business. If our operations are found to be in violation of any of these laws and regulations, we may be subject to any applicable penalty associated with the violation, including, among others, significant administrative, civil and criminal penalties, damages and fines, ~~and/or~~imprisonment, integrity oversight and reporting obligations, and exclusion from participation in government funded healthcare programs such as Medicare, Medicaid programs, including the California Medical Assistance Program (Medi-Cal-the California Medicaid program) or other state or federal health care programs. Additionally, we could be required to refund payments received by us, and we could be required to curtail or cease our operations. Any of the foregoing consequences could seriously harm our business and our financial results.

We are or may ~~be required~~become subject to ~~comply with~~stringent and changing U.S. and foreign laws, ~~governing the transmission,~~regulations, rules, standards, policies, contractual obligations and other obligations related to data privacy and security, including laws and ~~privacy of~~regulations related to health ~~information that require significant compliance costs, and any~~information. Our failure or perceived failure to comply with ~~these laws~~such obligations could result in ~~material criminal~~regulatory investigations or actions, enforcement or litigation, fines and ~~civil penalties.~~penalties, a disruption of the development or delivery of our products and services, reputational harm, loss of revenue or profits, or other adverse effects. *

~~Under the administrative simplification provisions~~We collect, receive, store, process, use, generate, transfer, disclose, make accessible, protect, secure, dispose of, ~~HIPAA, HHS has issued regulations which establish uniform standards governing the conduct of certain electronic~~transmit and share (commonly known as processing) personal data and other sensitive information, including but not limited to proprietary and confidential business information, trade secrets, intellectual property, health ~~care transactions~~information, data we collect about trial participants in connection with clinical trials, and ~~protecting the~~other sensitive third-party information. Accordingly, we are, or may become, subject to numerous federal, state, local and foreign data privacy and security ~~of Protected Health Information used or disclosed by~~laws, regulations, guidance and industry standards, including laws that specifically regulate health ~~care providers~~information, as well as external and ~~other covered entities.~~

~~The privacy regulations regulate the use and disclosure of Protected Health Information by covered entities engaging in certain electronic transactions or~~ “~~standard transactions.~~” They also set forth certain rights that an individual has with respect to his or her Protected Health Information maintained by a covered entity, including the right to access or amend certain records containing Protected Health Information or to request restrictions on the use or disclosure of Protected Health Information. The HIPAA security regulations establish administrative, physical and technical standards for maintaining the confidentiality, integrity and availability of Protected Health Information in electronic form. These standards apply to covered entities and also to “~~business associates~~” ~~or third parties providing services to covered entities involving the use or disclosure of Protected Health Information. The HIPAA~~internal privacy and security policies, contracts and other obligations that apply to the processing of personal data by us and on our behalf.

In the United States, federal, state, and local governments have enacted numerous data privacy and security laws, including data breach notification laws, personal data privacy laws, and consumer protection laws. For example, HIPAA, as amended by HITECH, and the respective implementing regulations, ~~establish a uniform federal~~ “~~floor~~”imposes limitations on certain entities’ processing of individual health information, and ~~do not supersede state laws that are more stringent or provide~~ also grants

individuals ~~with greater~~ rights with respect to their health information. HITECH also made significant increases in the ~~privacy~~penalties for improper processing of an individual’s health information under HIPAA and extended enforcement authority to state attorneys general.

As another example, the California Consumer Privacy Act of 2018, or ~~security~~CCPA, imposes several obligations on covered businesses, including requiring specific disclosures related to a business’s processing of personal data, new operational practices, and ~~access~~requirements to respond to certain requests from California residents related to their ~~records containing Protected Health Information. As~~personal data. The CCPA provides for significant civil penalties as well as a ~~result, we~~private right of action for data breaches and statutory damages. The CCPA allows for statutory fines for noncompliance (up to $7,500 per violation). Although there are limited exemptions for clinical trial data and some other health data under the CCPA, the CCPA and other similar laws may ~~be required to comply with both HIPAA privacy regulations~~impact our business activities and ~~varying state privacy and security laws.~~

~~Moreover, HITECH, enacted as part~~increase our compliance costs. In addition, it is anticipated that the California Privacy Rights Act of ~~ARRA,~~2020, or CPRA, effective January 1, 2023, will expand the CCPA. The CPRA will, among other things, ~~established~~give California residents the ability to limit use of certain ~~health information security breach notification requirements,~~sensitive personal data, establish restrictions on the retention of personal data, expand the types of data breaches subject to the CCPA’s private right of action, and establish a new California Privacy Protection Agency to implement and enforce the new law. In addition, other states have enacted or proposed data privacy laws, which ~~were later~~could further ~~modified by~~complicate the ~~Final Omnibus Rule. In~~legal landscape. For example, Virginia recently passed the ~~event~~Consumer Data Protection Act, Colorado recently passed the Colorado Privacy Act, and Utah passed the Utah Consumer Privacy Act, all of ~~a breach of unsecured Protected Health Information, a covered entity must notify each individual whose Protected Health Information is breached, federal regulators~~which differ from the CPRA and become effective in some cases, must publicize the breach in local or national media. Breaches affecting 500 individuals or more may be publicized by federal regulators who publicly identify the breaching entity, the circumstances of the breach and the number of individuals affected.

~~These laws contain significant fines and other penalties for wrongful use or disclosure of Protected Health Information. Given the complexity of HIPAA and HITECH and their overlap with state~~2023. Other data privacy and security laws have also been proposed at the federal, state, and local levels, and may be enacted. In addition, data privacy and security laws have been proposed at the ~~fact~~federal, state, and local levels in recent years, which could further complicate compliance efforts.

Additionally, outside the United States, an increasing number of laws, regulations, and industry standards apply to data privacy and security. For example, the European Union’s General Data Protection Regulation, or EU GDPR, governs the processing of personal data of European persons, and sets out extensive compliance requirements. The EU GDPR provides for fines up to the greater of €20 million (£17.5 million) or 4% of global turnover. Additionally, the United Kingdom has its own version of the GDPR, the UK GDPR, which largely mirrors the EU GDPR in UK national law. In addition, privacy advocates and industry groups have proposed, and may propose, standards with which we may be legally or contractually bound to comply. Further, individuals and others (for example, consumer associations, regardless of whether a specific individual’s personal data rights have been infringed) may initiate litigation related to processing of their personal data.

Certain jurisdictions have enacted data localization laws and cross-border personal data transfer laws, which could make it more difficult to transfer information across jurisdictions (such as transferring or receiving personal data that ~~these~~originates in the EU or in other foreign jurisdictions). Existing mechanisms that facilitate cross-border personal data transfers may change or be invalidated. The more reliant our business is on the ability to effectuate cross-border data transfers, the more impact we may experience in light of any changes in the legal landscape. In addition to data privacy and security laws, we may be contractually subject to data privacy and security obligations, including industry standards adopted by industry groups and may become subject to new data privacy and security obligations in the future. For example, certain privacy laws, such as the CCPA, require our customers to impose specific contractual restrictions on their service providers.

The number and scope of obligations related to data privacy and security, including but not limited to the complex requirements of HIPAA and GDPR, are rapidly evolving, ~~and are~~ subject to ~~changing~~change and potentially ~~conflicting interpretation,~~in conflict with each other. As a result, preparing for and complying with these obligations requires significant resources and potentially significant changes to our technologies, systems and practices, as well as those of any third-party collaborators, service providers, contractors, consultants or other third parties that process personal data on our behalf, any of which could have a negative impact on our operations. Our business model materially depends on our ability to ~~comply~~process personal data, so we are particularly exposed to the risks associated with the ~~HIPAA, HITECH and state privacy requirements is uncertain and the costs of compliance are significant.~~rapidly changing legal landscape. Adding to the complexity is that our operations are evolving, and ~~the requirements of~~ these laws will apply differently depending on our operations, for example whether we electronically bill for our services.

Although we endeavor to comply with all applicable data privacy and security obligations, we may at times fail to do so or may be perceived to have failed to do so. Moreover, despite our efforts, we may not be successful in achieving compliance if our employees, partners, third-party collaborators, service providers, contractors or consultants fail to comply with such ~~things as whether~~obligations. If we fail, or are perceived to have failed, to address or comply with obligations related to data privacy and security, we could face significant consequences, including but not limited to foreign, federal, state, or local government enforcement actions that could include investigations, fines, penalties, audits and inspections; litigation; additional reporting requirements and/or oversight; temporary or permanent bans on all or some processing of personal data; and orders to destroy or not ~~we bill electronically for our services. The costs~~use personal data. Any of ~~complying with any changes to the HIPAA, HITECH and state privacy restrictions may~~these events could have a ~~negative impact~~material adverse effect on our ~~operations. Noncompliance could subject~~reputation, business, or financial condition, including but not limited to loss of actual or prospective customers, collaborators or partners; interruption or stoppage in clinical trials; inability to process personal data or to operate in certain jurisdictions; limit our ability to develop or commercialize our products; or require us to ~~criminal penalties, civil sanctions~~revise or restructure our operations. Moreover, such claims, even if we are not found liable, could be expensive and ~~significant monetary penalties as well as reputational damage.~~time-consuming to defend and could divert management’s attention and cause adverse publicity that could harm our business or have other material adverse effects.

Clinical research is heavily regulated and failure to comply with human subject protection regulations may disrupt our research program leading to significant expense, regulatory enforcement, private lawsuits and reputational damage.

Clinical research is subject to federal, state and, for studies conducted outside of the United States, ~~international~~foreign regulation. At the federal level, the FDA imposes regulations for the protection of human subjects and requirements such as initial and ongoing institutional review board review; informed consent requirements, adverse event reporting and other protections to minimize the risk and maximize the benefit to research participants. Many states impose human subject protection laws that mirror or in some cases exceed federal requirements. HIPAA also regulates the use and disclosure of ~~Protected Health Information~~protected health information in connection with research activities. Research conducted overseas is subject to a variety of national protections such as mandatory ethics committee review, as

well as laws regulating the use, disclosure and cross-border transfer of personal data. For example, if we obtain certain personal information regarding residents in the European Union, we may be subject to the GDPR. The costs of compliance with these laws may be significant and compliance with regulatory requirements may result in ~~delay.~~delay of our clinical research and other business operations. Noncompliance may disrupt our research and result in data that is unacceptable to regulatory authorities, data lock or other sanctions that may significantly disrupt our operations.

Violation of a state’s prohibition on the corporate practice of medicine could result in a material adverse effect on our business.

A number of states, including California, do not allow business corporations to employ physicians to provide professional services. This prohibition against the “~~corporate~~“corporate practice of ~~medicine~~”medicine” is aimed at preventing corporations such as us from exercising control over the medical judgments or decisions of physicians. The state licensure statutes and regulations and agency and court decisions that enumerate the specific corporate practice rules vary considerably from state to state and are enforced by both the courts and regulatory authorities, each with broad discretion. If regulatory authorities or other parties in any jurisdiction successfully assert that we are engaged in the unauthorized corporate practice of medicine, we could be required to restructure our contractual and other arrangements. In addition, violation of these laws may result in ~~sanctions~~significant civil, criminal and administrative penalties imposed against us and/or the professional through licensure proceedings, and ~~we could be subject to civil and criminal penalties that could result in~~ exclusion from state and federal health care programs.

If we are unable to obtain and maintain effective patent rights for our products or services, we may not be able to compete effectively in our markets.

We rely upon a combination of patents, trade secret protection, and confidentiality agreements to protect the intellectual property related to our technologies, products and services. Our success depends in large part on our ability to obtain and maintain patent and other intellectual property protection in the United States and in other countries with respect to our proprietary technology and products.

We have sought to protect our proprietary position by filing patent applications in the United States and abroad related to our novel technologies and products that are important to our business. This process is expensive and time consuming, and we may not be able to file and prosecute all necessary or desirable patent applications at a reasonable cost or in a timely manner. The possibility exists that we will fail to identify patentable aspects of our research and development output before it is too late to obtain patent protection.

The patent position of diagnostic companies generally is highly uncertain and involves complex legal and factual questions for which legal principles remain unsolved. The patent applications that we own, or in-license, may fail to result in issued patents with claims that cover our products or services in the United States or in other foreign countries. There is no assurance that all potentially relevant prior art relating to our patents and patent applications has been found, which can invalidate a patent or prevent a patent from issuing from a pending patent application. Even if patents do successfully issue, and even if such patents cover our products and services, third parties may challenge their validity, enforceability, or scope, which may result in such patents being narrowed, found unenforceable or invalidated. Furthermore, even if they are unchallenged, our patents and patent applications may not adequately protect our intellectual property, provide exclusivity for our products and services, or prevent others from designing around our claims. Any of these outcomes could impair our ability to prevent competition from third parties, which may have an adverse impact on our business.

We, independently or together with our licensors, have filed several patent applications covering various aspects of our products and services. We cannot offer any assurances about which, if any, patents will issue, the breadth of any such patent or whether any issued patents will be found invalid and unenforceable or will be threatened by third parties. For example, our U.S. patent related to our SCTs is currently under a reexamination procedure in the U.S. Patent Office. Any successful opposition to these patents or any other patents owned by or licensed to us after patent issuance could deprive us of rights necessary for the successful commercialization of any products and services that we may offer. Further, if we encounter delays in regulatory approvals, the period of time during which we could market a product or service under patent protection could be reduced.

Patent policy and rule changes could increase the uncertainties and costs surrounding the prosecution of our patent applications and the enforcement or defense of our issued patents.

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. The laws of foreign countries may not protect our rights to the same extent as the laws of the United States. 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. We therefore cannot be certain that we or our licensors were the first to make the invention claimed in our owned and licensed patents or pending applications, or that we or our licensor were the first to file for patent protection of such inventions. Assuming the other requirements for patentability are met, in the United States prior to March 15, 2013, the first to make the claimed invention is entitled to the patent, while outside the United States, the first to file a patent application is entitled to the patent. After March 15, 2013, under the Leahy-Smith America Invents Act, or the Leahy-Smith Act, enacted on September 16, 2011, the United

States has moved to a first to file system. The Leahy-Smith Act also includes a number of significant changes that affect the way patent applications will be prosecuted and may also affect patent litigation. The effects of these changes are currently unclear as the United States Patent and Trademark Office, or USPTO, must still implement various regulations, the courts have yet to address any of these provisions and the applicability of the act and new regulations on specific patents discussed herein have not been determined and would need to be reviewed. In general, the Leahy-Smith Act and its implementation could increase the uncertainties and costs surrounding the prosecution of our patent applications and the enforcement or defense of our issued patents, all of which could have a material adverse effect on our business and financial condition.

If we are unable to maintain effective proprietary rights for our products or services, we may not be able to compete effectively in our markets.

In addition to the protection afforded by patents, we rely on trade secret protection and confidentiality agreements to protect proprietary know-how that is not patentable or that we elect not to patent, processes for which patents are difficult to enforce and any other elements of our products and services that involve proprietary know-how, information or technology that is not covered by patents. However, trade secrets can be difficult to protect. We seek to protect our proprietary technology and processes, in part, by entering into confidentiality agreements with our employees, consultants, scientific advisors, and contractors. We also seek to preserve the integrity and confidentiality of our data and trade secrets by maintaining physical security of our premises and physical and electronic security of our information technology systems. While we have ~~confidence in~~conducted commercially reasonable due diligence on these individuals, organizations and systems, our agreements with such partners or our or their security measures may nevertheless be breached, and we may not have adequate remedies for any breach. In addition, our trade secrets may otherwise become known or be independently discovered by competitors.

Although we expect all of our employees and consultants to assign their inventions to us, and all of our employees, consultants, advisors, and any third parties who have access to our proprietary know-how, information, or technology to enter into confidentiality agreements, we cannot provide any assurances that all such agreements have been duly executed or that our trade secrets and other confidential proprietary information will not be disclosed or that competitors will not otherwise gain access to our trade secrets or independently develop substantially equivalent information and techniques. Misappropriation or unauthorized disclosure of our trade secrets could impair our competitive position and may have a material adverse effect on our business. Additionally, if the steps taken to maintain our trade secrets are deemed inadequate, we may have insufficient recourse against third parties for misappropriating the trade secret.

Third-party claims of intellectual property infringement may prevent or delay our development and commercialization efforts.

Our commercial success depends in part on our avoiding infringement of the patents and proprietary rights of third parties. There have been many lawsuits and other proceedings involving patent and other intellectual property rights in the biotechnology and pharmaceutical industries, including patent infringement lawsuits, interferences, oppositions, and reexamination proceedings before the USPTO and corresponding foreign patent offices. Numerous U.S. and foreign issued patents and pending patent applications, which are owned by third parties, exist in the fields in which we are developing products and services. As the biotechnology and pharmaceutical industries expand and more patents are issued, the risk increases that our products and services may be subject to claims of infringement of the patent rights of third parties.

Third parties may assert that we are employing their proprietary technology without authorization. There may be third-party patents or patent applications with claims to materials, formulations, methods of manufacture, or methods for treatment related to the use or manufacture of our products and services. We have conducted freedom to operate analyses with respect to only certain of our products and services, and therefore we do not know whether there are any third-party patents that would impair our ability to commercialize these products and services. We also cannot guarantee that any of our analyses are complete and thorough, nor can we be sure that we have identified each and every patent and pending application in the United States and abroad that is relevant or necessary to the

commercialization of our products and services. Because patent applications can take many years to issue, there may be currently pending patent applications that may later result in issued patents that our products or services may infringe.

For example, in August 2016, we received a letter from MolecularMD Corp. offering a license to two U.S. Patents owned by the Memorial Sloan-Kettering Cancer Center, and licensed to MolecularMD Corp., that are relevant to one of the biomarkers we detect in our Liquid Biopsy Non-Small Cell Lung Cancer Profile ~~Target-Selector™~~Target Selector assay and our Liquid Biopsy Lung Cancer Resistance Profile ~~Target-Selector™~~Target Selector assay. One of the two patents is expected to expire in 2026. The other patent is expected to expire in 2028. Although we believe that the claims of both patents relevant to our assays would likely be held invalid, we cannot provide any assurances that a court or an administrative agency would agree with our assessment. If the validity of the relevant claims in question is upheld upon a validity challenge, then we may be liable for past damages and would need a license in order to continue commercializing our Liquid Biopsy Non-Small Cell Lung Cancer Profile ~~Target-Selector~~Target Selector Assay and our Liquid Biopsy Lung Cancer Resistance Profile ~~Target-Selector~~Target Selector Assay in the United States. However, such a license may not be available on commercially reasonable terms or at all, which could materially and adversely affect our business.

In addition, we are aware of a U.S. Patent owned by Amgen, Inc. that is relevant to one of the biomarkers we detect in our Liquid Biopsy Non-Small Cell Lung Cancer Profile ~~Target-Selector~~Target Selector assay and our Liquid Biopsy Lung Cancer Resistance Profile ~~Target-Selector~~Target Selector assay. The patent is expected to expire in 2028. Although we believe that the claims of the patent relevant to our assays would likely be held invalid, we cannot provide any assurances that a court or an administrative agency would agree with our assessment. If the validity of the relevant claims in question is upheld upon a validity challenge, then we may be liable for past damages and would need a license in order to continue commercializing our Liquid Biopsy Non-Small Cell Lung Cancer Profile ~~Target-Selector~~Target Selector assay and our Liquid Biopsy Lung Cancer Resistance Profile ~~Target-Selector~~Target Selector assay in the United States. However, such a license may not be available on commercially reasonable terms or at all, which could materially and adversely affect our business.

We are also aware of a U.S. Patent owned by Genentech, Inc. that is relevant to one of the biomarkers we detect in our Liquid Biopsy Lung Cancer Resistance Profile ~~Target-Selector~~Target Selector assay and our Liquid Biopsy Colon Cancer Profile ~~Target-Selector~~Target Selector assay. The patent is expected to expire in 2025. Although we believe that the claims of the patent relevant to our assays would likely be held invalid, we cannot provide any assurances that a court or an administrative agency would agree with our assessment. If the validity of the relevant claims in question is upheld upon a validity challenge, then we may be liable for past damages and would need a license in order to continue commercializing our Liquid Biopsy Lung Cancer Resistance Profile ~~Target-Selector~~Target Selector assay and our Liquid Biopsy Colon Cancer Profile ~~Target-Selector~~Target Selector assay in the United States. However, such a license may not be available on commercially reasonable terms or at all, which could materially and adversely affect our business.

In addition, in ~~July 2016,~~December 2020, we received a communication from ~~the Mayo Foundation~~counsel for ~~Medical Education and Research (“Mayo”)~~RavGen, Inc., or RavGen, offering ~~a license~~ to ~~a U.S. Patent~~discuss licensing terms for certain patents owned by ~~Mayo that is~~RavGen, which RavGen’s communication alleged are relevant to ~~an antibody that we use in our~~Biocept’s Target Selector Liquid Biopsy Immuno-Oncology PD-L1 assay. The patent is expected to expire in 2021. At present, we believe that we will need a license to this patent to continue commercializing our Liquid Biopsy Immuno-Oncology PD-L1 assay. We are currently in discussions with Mayotest kits and ~~believe a license can be obtained on commercially reasonable terms. However, if~~panels. If we are unable to secure ~~such~~ a license on commercially reasonable terms, and if RavGen subsequently files suit and a court or jury makes a determination that our test kits and panels infringe any valid RavGen patent claims, then we may be liable for ~~past~~ damages, and our business could be materially and adversely affected.

In addition, third parties may obtain patents in the future and claim that use of our technologies infringes upon these patents. If any third-party patents were held by a court of competent jurisdiction to cover aspects of our products or services, the holders of any such patents may be able to block our ability to commercialize such products or services unless we obtained a license under the applicable patents, or until such patents expire or are finally determined to be invalid or unenforceable. Such a license may not be available on commercially reasonable terms or at all.

Parties making claims against us may obtain injunctive or other equitable relief, which could effectively block our ability to further develop and commercialize one or more of our products or services. Defense of these claims, regardless of their merit, would involve substantial litigation expense and would be a substantial diversion of employee resources from our business. In the event of a successful claim of infringement against us, we may have to pay substantial damages, including treble damages and attorneys’ fees for willful infringement, pay royalties, redesign our infringing products or obtain one or more licenses from third parties, which may be impossible or require substantial time and monetary expenditure.

We may not be successful in obtaining or maintaining necessary rights to our products or services through acquisitions and in-licenses.

We currently have rights to the intellectual property, through licenses from third parties and under patents that we own, to develop our products and services. Because our programs may require the use of proprietary rights held by third parties, the growth of our business will likely depend in part on our ability to acquire, in-license, or use these proprietary rights. We may be unable to acquire or in-license any compositions, methods of use, processes, or other third-party intellectual property rights from third parties that we identify as necessary for our products or services. The licensing and acquisition of third-party intellectual property rights is a competitive area, and a number of more established companies are also pursuing strategies to license or acquire third-party intellectual property rights that we may consider attractive. These established companies may have a competitive advantage over us due to their size, cash resources, and

greater clinical development and commercialization capabilities. In addition, companies that perceive us to be a competitor may be unwilling to assign or license rights to us. We also may be unable to license or acquire third-party intellectual property rights on terms that would allow us to make an appropriate return on our investment.

We sometimes collaborate with U.S. and foreign institutions to accelerate our research or development under written agreements with these institutions. Typically, these institutions provide us with an option to negotiate a license to any of the ~~institution~~’sinstitution’s rights in technology resulting from the collaboration. Regardless of such option, we may be unable to negotiate a license within the specified timeframe or under terms that are acceptable to us. If we are unable to do so, the institution may offer the intellectual property rights to other parties, potentially blocking our ability to pursue our program.

If we are unable to successfully obtain rights to required third-party intellectual property rights or maintain the existing intellectual property rights we have, we may have to abandon development of that program and our business and financial condition could suffer.

Although we are not currently involved in any litigation, we may be involved in lawsuits to protect or enforce our patents or the patents of our licensors, which could be expensive, time consuming, and unsuccessful.

Competitors may infringe our patents or the patents of our licensors. Although we are not currently involved in any litigation, if we or one of our licensing partners were to initiate legal proceedings against a ~~third party~~third-party to enforce a patent covering one of our products or services, the defendant could counterclaim that the patent covering our product or service is invalid and/or unenforceable. In patent litigation in the United States, defendant counterclaims alleging invalidity and/or unenforceability are commonplace. Grounds for a validity challenge could be an alleged failure to meet any of several statutory requirements, including lack of novelty, obviousness, or non-enablement. Grounds for an unenforceability assertion could be an allegation that someone connected with prosecution of the patent withheld relevant information from the USPTO, or made a misleading statement, during prosecution. The outcome following legal assertions of invalidity and unenforceability is unpredictable.

Interference proceedings provoked by third parties or brought by us or declared by the USPTO may be necessary to determine the priority of inventions with respect to our patents or patent applications or those of our licensors. An unfavorable outcome could require us to cease using the related technology or to attempt to license rights to it from the prevailing party. Our business could be harmed if the prevailing party does not offer us a license on commercially reasonable terms. Our defense of litigation or interference proceedings may fail and, even if successful, may result in substantial costs and distract our management and other employees. In addition, the uncertainties associated with litigation could have a material adverse effect on our ability to raise sufficient capital to continue our research programs, license necessary technology from third parties, or enter into development partnerships that would help commercialize our products or services.

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 this type of 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 our common stock.

We may be subject to claims that our employees, consultants, or independent contractors have wrongfully used or disclosed confidential information of third parties or that our employees have wrongfully used or disclosed alleged trade secrets of their former employers.

We employ certain individuals who were previously employed at universities or other biotechnology or pharmaceutical companies, including our competitors or potential competitors. Although we try to ensure that our employees, consultants, and independent contractors do not use the proprietary information or know-how of others in their work for us, and we are not currently subject to any claims that our employees, consultants, or independent contractors have wrongfully used or disclosed confidential information of third parties, we may in the future be subject to such claims. Litigation may be necessary to defend against these claims. If we fail in defending any such claims, in addition to paying monetary damages, we may lose valuable intellectual property rights or personnel, which could adversely impact our business. 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.

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

Although we are not currently experiencing any claims challenging the inventorship of our patents or ownership of our intellectual property, we may in the future be subject to claims that former employees, collaborators or other third parties have an interest in our patents or other intellectual property as an inventor or co-inventor. For example, we may have inventorship disputes arise from conflicting obligations of consultants or others who are involved in developing our products or services. Litigation may be necessary to defend against these and other claims challenging inventorship. If we 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, valuable intellectual property. Such an outcome could have a material adverse effect on our business. 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.

Changes in U.S. patent law 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 industry involves both technological and legal complexity. Therefore, obtaining and enforcing biotechnology patents is costly, time consuming, and inherently uncertain. In addition, the United States has recently enacted and is currently implementing wide-ranging patent reform legislation. Recent U.S. Supreme Court rulings have narrowed the

scope of patent protection available in certain circumstances and weakened the rights of patent owners in certain situations. In addition to increasing uncertainty with regard to our ability to obtain patents in the future, this combination of events has created uncertainty with respect to the value of patents, once obtained. Depending on future actions by the U.S. Congress, the federal courts, and the USPTO, the laws and regulations governing patents could change in unpredictable ways that would weaken our ability to obtain new patents or to enforce our existing patents and patents that we might obtain in the future.

We may not be able to protect our intellectual property rights throughout the world.

Filing, prosecuting, and defending patents on products and services in all countries throughout the world would be prohibitively expensive, and our intellectual property rights in some countries outside the United States can be less extensive than those in the United States. In addition, the laws of some foreign countries do not protect intellectual property rights to the same extent as federal and state laws in the United States. Consequently, we may not be able to prevent third parties from practicing our inventions in all countries outside the United States, or from selling or importing products made using our inventions in and into the United States or other jurisdictions. Competitors may use our technologies in jurisdictions where we have not obtained patent protection to develop their own products and may also export infringing products to territories where we have patent protection, but enforcement is not as strong as that in the United States. These products may compete with our products and our patents or other intellectual property rights may not be effective or sufficient to prevent them from competing.

Many companies have encountered significant problems in protecting and defending intellectual property rights in foreign jurisdictions. The legal systems of certain countries, particularly certain developing countries, do not favor the enforcement of patents, trade secrets, and other intellectual property protection, particularly those relating to biotechnology products, which could make it difficult for us to stop the infringement of our patents or marketing of competing products in violation of our proprietary rights generally. Proceedings to enforce our patent rights in foreign jurisdictions, whether or not successful, could result in substantial costs and divert our efforts and attention from other aspects of our business, could put our patents at risk of being invalidated or interpreted narrowly and 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. Accordingly, our efforts to enforce our intellectual property rights around the world may be inadequate to obtain a significant commercial advantage from the intellectual property that we develop or license.

Our collaborators may assert ownership or commercial rights to inventions we develop from our use of the biological materials which they provide to us, or otherwise arising from the collaboration.

We collaborate with several institutions, physicians and researchers in scientific matters. We do not have written agreements with certain of such collaborators, or the written agreements we have do not cover intellectual property rights. Also, we rely on numerous third parties to provide us with blood samples and biological materials that we use to develop assays. If we cannot successfully negotiate sufficient ownership and commercial rights to any inventions that result from our use of a ~~third party collaborator~~’sthird-party collaborator’s materials, or if disputes arise with respect to the intellectual property developed with the use of a ~~collaborator~~’scollaborator’s samples, or data developed in a ~~collaborator~~’scollaborator’s study, we may be limited in our ability to capitalize on the market potential of these inventions or developments.

~~Before our initial public offering, there was no public market~~Market prices for our common ~~stock. Market prices for securities of early-stage life sciences companies~~stock have historically been ~~particularly~~ volatile. The factors that may cause the market price of our common stock to fluctuate include, but are not limited to:

In addition, the equity markets have experienced significant price and volume fluctuations that have affected the market prices for the securities of ~~newly~~ public companies for a number of reasons, including reasons that may be unrelated to our business or operating performance. These broad market fluctuations may result in a material decline in the market price of our common stock and you may not be able to sell your shares at prices you deem acceptable. In the past, following periods of volatility in the equity markets, securities class action lawsuits have been instituted against public companies. Such litigation, if instituted against us, could result in substantial cost and the diversion of management attention.

*Our failure to meet the continued listing requirements of The ~~NASDAQ~~Nasdaq Capital Market could result in a de-listing of our common stock. *

If we fail to satisfy the continued listing requirements of The ~~NASDAQ~~Nasdaq Capital Market, such as the corporate governance requirements, the minimum closing bid price requirement, or the minimum stockholders’ equity requirement, ~~NASDAQ~~Nasdaq may take steps to de-list our common stock. For example, in May 2016, we received a letter from ~~NASDAQ~~Nasdaq indicating that we are not in compliance with the minimum stockholders’ equity requirement of ~~NASDAQ~~Nasdaq Listing Rule 5550(b)(1), and in ~~both~~each of June ~~and~~2016, November 2016, January 2018 and September 2019, we received letters from ~~NASDAQ~~Nasdaq indicating that we ~~are~~were not in compliance with the minimum bid price requirement of ~~NASDAQ~~Nasdaq Listing Rule 5550(a)(2)~~. Further, our common stock is currently trading below the minimum bid price requirement of NASDAQ Listing Rule 5550(a)(2) that~~, which requires that companies listed on The ~~NASDAQ~~Nasdaq Capital Market maintain a minimum closing bid price of at least $1.00 per share. We were able to regain compliance with the Nasdaq continued listing requirements discussed in the May 2016, June 2016, November 2016, January 2018 and September 2019 letters. In August 2022, we received a notice (the “August 2022 Notice”) from Nasdaq advising us that we were not in compliance with Nasdaq’s continued listing requirements under the Nasdaq Listing Rule 5250(c)(1) as a result of our failure to file our Quarterly Report on Form 10-Q for the quarter ended June 30, 2022 in a timely manner. Under Nasdaq listing rules, we were afforded 60 calendar days from the receipt of the August 2022 Notice, or until October 17, 2022, to submit a plan to regain compliance with this requirement. We submitted such a plan to Nasdaq, which Nasdaq accepted, resulting in us being granted until February 13, 2023 to file the Form 10-Q and thereby gained compliance with this Nasdaq listing rule. However, it is possible that we will be unable to timely file future period reports in the future. In addition, in October 2022, we received a letter from Nasdaq advising us that we are not in compliance with Nasdaq’s $1.00 minimum bid price requirement. We have 180 calendar days to regain compliance with the minimum bid price requirement and may be afforded an additional 180 days subject to certain conditions. There can be no assurance that we will be able to regain and maintain compliance with the continued listing requirements of the Nasdaq Capital Market. If we fail to regain ~~and/or~~and maintain compliance with ~~these, or any other of the~~Nasdaq’s continued listing requirements, ~~of The NASDAQ Capital Market, NASDAQ~~Nasdaq may take steps to de-list our common stock. Such a de-listing would likely have a negative effect on the price of our common stock and would impair your ability to sell or purchase our common stock when you wish to do so. In the event of a de-listing, we would take actions to restore our compliance with ~~NASDAQ’s~~Nasdaq’s listing requirements, but we can provide no assurance that any such action taken

by us would allow our common stock to become listed again, stabilize the market price or improve the liquidity of our common stock, or prevent future non-compliance with ~~NASDAQ’s~~Nasdaq’s listing requirements.

~~If our shares become subject to the penny stock rules, it would become more difficult to trade our shares.~~

The SEC has adopted rules that regulate broker-dealer practices in connection with transactions in penny stocks. Penny stocks are generally equity securities with a price of less than $5.00, other than securities registered on certain national securities exchanges or authorized for quotation on certain automated quotation systems, provided that current price and volume information with respect to transactions in such securities is provided by the exchange or system. If we do not retain a listing on The NASDAQ Capital Market, and if the price of our common stock is less than $5.00, our common stock will be deemed a penny stock. The penny stock rules require a broker-dealer, before a transaction in a penny stock not otherwise exempt from those rules, to deliver a standardized risk disclosure document containing specified information. In addition, the penny stock rules require that before effecting any transaction in a penny stock not otherwise exempt from those rules, a broker-dealer must make a special written determination that the penny stock is a suitable investment for the purchaser and receive (i) the purchaser’s written acknowledgment of the receipt of a risk disclosure statement; (ii) a written agreement to transactions involving penny stocks; and (iii) a signed and dated copy of a written suitability statement. These disclosure requirements may have the effect of reducing the trading activity in the secondary market for our common stock, and therefore stockholders may have difficulty selling their shares.

We expect our operating results to be subject to quarterly fluctuations. Our net loss and other operating results will be affected by numerous factors, including:

If our quarterly operating results fall below the expectations of investors or securities analysts, the price of our common stock could decline substantially. Furthermore, any quarterly fluctuations in our operating results may, in turn, cause the price of our stock to fluctuate substantially.

Future sales of our common stock or other securities, or the perception that future sales may occur, may cause the market price of our common stock to decline, even if our business is doing well. *

In May 2021, we entered into the Sales Agreement with the Sales Agent, under which we may issue and sell from time to time up to $25,000,000 of our common stock through or to the Sales Agent, as sales agent or principal. Any sale of shares of our common stock under the Sales Agreement will be made under our shelf registration statement on Form S-3. Sales of our common stock under the Sales Agreement are made at market prices by any method that is deemed to be an “at the market offering” as defined in Rule 415(a)(4) under the Securities Act of 1933, as amended. As of June 30, 2022, approximately $10.1 million of our common stock remained available for sale under the Sales Agreement. Depending on a variety of factors, including market liquidity of our common stock, the sale of shares under this shelf registration statement may cause the trading price of our common stock to decline. The sale of a substantial number of shares of our common stock under this shelf registration statement, or anticipation of such sales, could cause the trading price of our common stock to decline or make it more difficult for us to sell equity or equity-related securities in the future at a time and at a price that we might otherwise desire.

We had outstanding 16,922,868 shares of common stock as of June 30, 2022, most of which are not subject to resale restrictions under Rule 144 of the Securities Act. In addition, as of June 30, 2022, we have outstanding preferred stock convertible into 46,451 shares of our common stock, options to purchase 2,474,649 shares of our common stock and 857,261 shares of our common stock were issuable upon the exercise of outstanding warrants. Shares issued upon the exercise of stock options generally will be eligible for sale in the public market, except that affiliates will continue to be subject to volume limitations and other requirements of Rule 144 under the Securities Act. The issuance or sale of such shares could depress the market price of our common stock.

In the future, we also may issue our securities if we need to raise additional capital. The number of new shares of our common stock issued in connection with raising additional capital could constitute a material portion of the then-outstanding shares of our common stock.

If we fail to maintain proper and effective internal control over financial reporting, our ability to produce accurate financial statements on a timely basis could be impaired and our public reporting may be unreliable. *

Effective internal controls over financial reporting are necessary for us to provide reliable financial reports and, together with adequate disclosure controls and procedures, are designed to prevent fraud. In connection with the restatement of our condensed financial statements as of, and for the three and nine months ended, September 30, 2021, we determined that we had a material weakness as of September 30, 2021, namely that our review control over the completeness and accuracy of our accounts payable did not operate effectively, resulting in a material error in the financial statements. Subsequently, in connection with the preparation and review of our Annual Report on Form 10-K for the year ended December 31, 2021, management determined that a deficiency existed related to the methods used to develop certain estimates and the timely review of such estimates. Additionally, in connection with the preparation and review of our Quarterly Report on Form 10-Q for the quarter ended March 31, 2022, management determined that a material weakness existed related to our controls to review and approve certain revenue-related manual journal entries, including the review of the completeness and the accuracy of the information used. A material weakness means a deficiency, or combination of deficiencies, in internal control over financial reporting such that there is a reasonable possibility that a material misstatement of a company’s annual or interim financial statements will not be prevented or detected on a timely basis.

We have implemented a plan to remediate the material weaknesses in our internal control over financial reporting, including steps to design and implement new controls and expand the review of any potential unrecorded liabilities. We will also need to design and implement new controls related to the review and approval of revenue-related manual journal entries. However, we cannot assure you that these efforts will remediate our material weaknesses in a timely manner, or at all, or that we will be able to maintain effective controls and procedures even if we remediate our material weaknesses. If we are unable to successfully remediate our material weaknesses, implement and maintain effective controls and procedures, or identify any future material weaknesses, the accuracy and timing of our financial reporting may be adversely affected, we may be unable to maintain compliance with securities law requirements regarding timely filing of periodic reports and we may experience a loss of public confidence, which could have an adverse effect on our business, financial condition and the market price of our common stock.

We are required to disclose changes made in our internal control procedures on a quarterly basis and our management is required to assess the effectiveness of these controls annually. However, for as long as we are a “non-accelerated filer”, our independent registered public accounting firm will not be required to attest to the effectiveness of our internal control over financial reporting pursuant to Section 404. An independent assessment of the effectiveness of our internal controls could detect problems that our management’s assessment might not. Undetected material weaknesses in our internal controls could lead to future financial statement restatements and require us to incur additional expenses of remediation.

Anti-takeover provisions of our certificate of incorporation, our bylaws and Delaware law could make an acquisition of us, which may be beneficial to our stockholders, more difficult and may prevent attempts by our stockholders to replace or remove the current members of our board and management.

Certain provisions of our amended certificate of incorporation and amended and restated bylaws could discourage, delay or prevent a merger, acquisition or other change of control that stockholders may consider favorable, including transactions in which you might otherwise receive a premium for your shares. Furthermore, these provisions could prevent or frustrate attempts by our stockholders to replace or remove members of our Board of Directors. For example, Delaware law provides that if a corporation has a classified board of directors, stockholders cannot remove any director during his or her term without cause. These provisions also could limit the price that investors might be willing to pay in the future for our common stock, thereby depressing the market price of our common stock. Stockholders who wish to participate in these transactions may not have the opportunity to do so. These provisions, among other things:

In addition, we are governed by the provisions of Section 203 of the Delaware General Corporation Law, or DGCL, which may, unless certain criteria are met, prohibit large stockholders, in particular those owning 15% or more of the voting rights on our common stock, from merging or combining with us for a prescribed period of time.

Because we do not expect to pay cash dividends for the foreseeable future, you must rely on appreciation of our common stock price for any return on your investment. Even if we change that policy, we may be restricted from paying dividends on our common stock.

We do not intend to pay cash dividends on shares of our common stock for the foreseeable future. Any determination to pay dividends in the future will be at the discretion of our Board of Directors and will depend upon results of operations, financial performance, contractual restrictions, restrictions imposed by applicable law and other factors our Board of Directors deems relevant. Accordingly, you will have to rely on capital appreciation, if any, to earn a return on your investment in our common stock. Investors seeking cash dividends in the foreseeable future should not purchase our common stock.

Changes in tax laws or regulations that are applied adversely to us or our customers 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 Biden administration and Congress have proposed various U.S. federal tax law changes, which if enacted could have a material impact on our business, cash flow, financial condition or results of operations. In addition, it is uncertain if and to what extent various states will conform to federal tax laws. Future tax 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 effective tax rate may fluctuate, and we may incur obligations in tax jurisdictions in excess of accrued amounts.

We are subject to taxation in numerous U.S. states and territories. As a result, our effective tax rate is derived from a combination of applicable tax rates in the various places that we operate. In preparing our financial statements, we estimate the amount of tax that will become payable in each of such places. Nevertheless, our effective tax rate may be different than experienced in the past due to numerous factors, including the results of examinations and audits of our tax filings, our inability to secure or sustain acceptable agreements with tax authorities, changes in accounting for income taxes and changes in tax laws. Any of these factors could cause us to experience an effective tax rate significantly different from previous periods or our current expectations and may result in tax obligations in excess of amounts accrued in our financial statements.

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

Under current law, federal net operating losses incurred in tax years beginning after December 31, 2017, may be carried forward indefinitely, but the deductibility of such federal net operating losses in tax years beginning after December 31, 2020, is limited to 80% of taxable income. It is uncertain if and to what extent various states will conform to federal tax laws. In addition, under Sections 382 and 383 of the Code, if a corporation undergoes an “ownership change,” generally defined as a cumulative change in its equity ownership by “5-percent shareholders” of greater than 50 percentage points (by value) over a three-year period, the corporation’s ability to use its estimated pre-change net operating loss carryforwards and certain other tax attributes (such as research tax credits) to offset its post-change taxable income and taxes, as applicable, may be limited. As of December 31, 2021, we had estimated federal and state net operating loss carryforwards of approximately $72.0 million and $41.5 million, respectively, and estimated federal and California research and development tax credits of approximately $0.8 million and $0.6 million, respectively, which could be limited if we have experienced or do experience any “ownership changes.” We have not completed a 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. We believe, however, that multiple ownership changes have likely occurred. In addition, at the state level, there may be periods during which the use of net operating loss carryforwards is suspended or otherwise limited, which could accelerate or permanently increase state taxes owed. We have estimated that the use of our net operating loss is limited and the amounts above remain fully offset by a valuation allowance.

In the past, securities class action litigation has often been brought against a company following a decline in the market price of its securities. This risk is especially relevant for us because early-stage life sciences companies 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 resources, which could harm our business.

We have incurred and will continue to incur significant costs as a result of operating as a public company, and our management will be required to devote substantial time to new compliance initiatives.

In addition, changing laws, regulations and standards relating to corporate governance and public disclosure are creating uncertainty for public companies, increasing legal and financial compliance costs and making some activities more time consuming. These laws, regulations and standards are 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 intend to invest resources to comply with evolving laws, regulations and standards, and this investment may result in increased general and administrative expenses and a diversion of management’s time and attention from revenue-generating activities to compliance activities. If our efforts to comply with new laws, regulations and standards differ from the activities intended by regulatory or governing bodies due to ambiguities related to practice, regulatory authorities may initiate legal proceedings against us and our business may be harmed.

If securities or industry analysts issue an adverse opinion regarding our stock or do not publish research or reports about our company, our stock price and trading volume could decline.

The trading market for our common stock will depend in part on the research and reports that equity research analysts publish about us, our business and our competitors. We do not control these analysts or the content and opinions or financial models included in their reports. Securities analysts may elect not to provide research coverage of our company, and such lack of research coverage may adversely affect the market price of our common stock. The price of our common stock could also decline if one or more equity research analysts downgrade our common stock or if those analysts issue other unfavorable commentary or cease publishing reports about us or our business. If one or more equity research analysts cease coverage of our company, we could lose visibility in the market, which in turn could cause our stock price to decline.

*Future sales of our common stock or other securities, or the perception that future sales may occur, may cause the market price of our common stock to decline, even if our business is doing well.

Sales of substantial amounts of our common stock or other securities, or the perception that these sales may occur, could materially and adversely affect the price of our common stock and could impair our ability to raise capital through the sale of additional equity securities. For example, in May 2015, the SEC declared effective a shelf registration statement filed by us. This shelf registration statement allows us to issue any combination of our common stock, preferred stock, debt securities and warrants from time to time for an aggregate initial offering price of up to $50 million, subject to certain limitations for so long as our public float is less than $75 million. In connection with our offering in March 2017 under this shelf registration statement, we have agreed to certain contractual terms that limit our ability to issue variable rate securities for a period of one year from the closing date of the March 2017 offering. The specific terms of additional future offerings, if any, under this shelf registration statement would be established at the time of such offerings. Depending on a variety of factors, including market liquidity of our common stock, the sale of shares under this shelf registration statement may cause the trading price of our common stock to decline. The sale of a substantial number of shares of our common stock under this shelf registration statement, or anticipation of such sales, could cause the trading price of our common stock to decline or make it more difficult for us to sell equity or equity-related securities in the future at a time and at a price that we might otherwise desire.

We had outstanding 30,258,743 shares of common stock as of November 9, 2017, of which no more than 2,335,555 are restricted securities that may be sold only in accordance with the resale restrictions under Rule 144 of the Securities Act. In addition, as of November 9, 2017, we had outstanding options to purchase 2,453,478 shares of our common stock, 360,920 shares of common stock were issuable upon the settlement of outstanding restricted stock units, or RSUs, and 8,402,275 shares of our common stock were issuable upon the exercise of outstanding warrants. Shares issued upon the exercise of stock options or upon the settlement of outstanding RSUs generally will be eligible for sale in the public market, except that affiliates will continue to be subject to volume limitations and other requirements of Rule 144 under the Securities Act. The issuance or sale of such shares could depress the market price of our common stock.

If we are unable to favorably assess the effectiveness of our internal control over financial reporting, investors may lose confidence in our financial reporting and our stock price could be materially adversely affected.

Effective internal controls over financial reporting are necessary for us to provide reliable financial reports and, together with adequate disclosure controls and procedures, are designed to prevent fraud. Any failure to implement required new or improved controls, or difficulties encountered in their implementation could cause us to fail to meet our reporting obligations. In addition, any testing by us conducted in connection with Section 404(a) of the Sarbanes-Oxley Act, or the subsequent testing by our independent registered public accounting firm conducted in connection with Section 404(b) of the Sarbanes-Oxley Act after we no longer qualify as an “~~emerging growth company,~~” ~~may reveal deficiencies in our internal controls over financial reporting that are deemed to be material~~

weaknesses or that may require prospective or retroactive changes to our consolidated financial statements or identify other areas for further attention or improvement. Inferior internal controls could also cause investors to lose confidence in our reported financial information, which could have a negative effect on the trading price of our common stock.

We are required to disclose changes made in our internal control procedures on a quarterly basis and our management is required to assess the effectiveness of these controls annually. However, for as long as we are an “~~emerging growth company~~” under the recently enacted JOBS Act, our independent registered public accounting firm will not be required to attest to the effectiveness of our internal control over financial reporting pursuant to Section 404. An independent assessment of the effectiveness of our internal controls could detect problems that our management’~~s assessment might not. Undetected material weaknesses in our internal controls could lead to financial statement restatements and require us to incur the expense of remediation.~~

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

We are an emerging growth company, as defined in 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 not being required to comply with the auditor attestation requirements of Section 404 of the Sarbanes-Oxley Act of 2002, reduced disclosure obligations regarding executive compensation in our periodic reports and proxy statements and exemptions from the requirements of holding nonbinding advisory votes on executive compensation and stockholder approval of any golden parachute payments not previously approved. We could be an emerging growth company until December 31, 2019, although circumstances could cause us to lose that status earlier, including if the market value of our common stock held by non-affiliates exceeds $700 million as of any June 30 before that time or if we have total annual gross revenue of $1.0 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, we would cease to 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 and reduced disclosure obligations regarding executive compensation in our periodic reports and proxy statements. We cannot predict if investors 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 stock price may be more volatile.

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 irrevocably elected not to avail ourselves of this exemption from new or revised accounting standards and, therefore, are subject to the same new or revised accounting standards as other public companies that are not emerging growth companies. As a result, changes in rules of U.S. generally accepted accounting principles or their interpretation, the adoption of new guidance or the application of existing guidance to changes in our business could significantly affect our financial position and results of operations.

We have incurred and will continue to incur significant 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.

As a public company, we are subject to the reporting requirements of the Securities Exchange Act of 1934, as amended, the Dodd-Frank Wall Street Reform and Consumer Protection Act, or the Dodd-Frank Act, the listing requirements of The NASDAQ Stock Market and other applicable securities rules and regulations. Compliance with these rules and regulations has increased and will continue to increase our legal and financial compliance costs, make some activities more difficult, time-consuming or costly, and increase demand on our systems and resources. The Sarbanes-Oxley Act requires, among other things, that we maintain effective disclosure controls and procedures and internal control over financial reporting. In order to maintain and, if required, improve our disclosure controls and procedures and internal control over financial reporting to meet this standard, significant resources and management oversight may be required. As a result, management’s attention may be diverted from other business concerns, which could harm our business and operating results. Further, there are significant corporate governance and executive compensation related provisions in the Dodd-Frank Act, enacted in 2010, that require the SEC to adopt additional rules and regulations in these areas such as “~~say on pay~~” ~~and proxy access. Recent legislation permits smaller~~ “~~emerging growth companies~~” to implement many of these requirements over a longer period. We intend to continue taking advantage of this new legislation but cannot guarantee that we will not be required to implement these requirements sooner than budgeted or planned and thereby incur unexpected expenses. Stockholder activism, the current political environment and the current high level of government intervention and regulatory reform may lead to substantial new regulations and disclosure obligations, which may lead to additional compliance costs and impact the manner in which we operate our business in ways we cannot currently anticipate.

Certain provisions of our amended certificate of incorporation and amended and restated bylaws could discourage, delay or prevent a merger, acquisition or other change of control that stockholders may consider favorable, including transactions in which you might otherwise receive a premium for your shares. Furthermore, these provisions could prevent or frustrate attempts by our stockholders to replace or remove members of our Board of Directors. (For example, Delaware law provides that if a corporation has a classified board of directors, stockholders cannot remove any director during his or her term without cause.) These provisions also could limit the price that investors might be willing to pay in the future for our common stock, thereby depressing the market price of our common stock. Stockholders who wish to participate in these transactions may not have the opportunity to do so. These provisions, among other things:

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

Our ability to utilize our estimated federal net operating loss, carryforwards and federal tax credits may be limited under Sections 382 and 383 of the Internal Revenue Code of 1986, as amended, or the Code. The limitations apply if an “~~ownership change,~~” as defined by Section 382 of the Code, occurs. If we have experienced an ownership change at any time since our formation, we may already be subject to limitations on our ability to utilize our existing net operating losses and other tax attributes to offset taxable income. In addition, future changes in our stock ownership (including in connection with future offerings, as well as other changes that may be outside of our control), may trigger an ownership change and, consequently, limitations under Sections 382 and 383 of the Code. As a result, if we earn net taxable income, our ability to use our estimated pre-change net operating loss carryforwards and other tax

attributes to offset United States federal taxable income may be subject to limitations, which could potentially result in increased future tax liability to us. As of December 31, 2016, we had estimated federal and state net operating loss carryforwards of approximately $5.3 million and $8.6 million, respectively, and estimated federal and California research and development credits of approximately $0.0 million and $3.4 million, respectively, which could be limited if we have experienced or do experience any “~~ownership changes.~~” We have not completed a 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, however, we believe ownership changes likely occurred in both 2015 and 2016. As a result, we have estimated that the use of our net operating loss is limited and the amounts above represent the remaining net operating loss carryforwards and research and development credits we estimate can be used in the future, which remain fully offset by a valuation allowance to reduce the net asset to zero.

The exhibits listed below are hereby filed with the SEC as part of this Quarterly Report on Form 10-Q.

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 thereunto duly authorized.


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, par value $.0001 per share	BIOC	The Nasdaq Stock Market LLC

		Page

IMPORTANT NOTE REGARDING FORWARD-LOOKING STATEMENTS		3

PART I.	FINANCIAL INFORMATION	6

Item 1.	Financial Statements	4

	~~Condensed Balance Sheets as of December 31, 2016 and September 30, 2017 (unaudited)~~	4

	~~Condensed Statements of Operations and Comprehensive Loss for the three and nine-months ended September 30, 2016 and 2017 (unaudited)~~	5

	~~Condensed Statements of Cash Flows for the nine months ended September 30, 2016 and 2017 (unaudited)~~	6

	Condensed Balance Sheets as of December 31, 2021 and June 30, 2022 (Unaudited)	6

	Condensed Statements of Operations for the three and six months ended June 30, 2021 and 2022 (Unaudited)	7

	Condensed Statements of Shareholders’ Equity for the three and six months ended June 30, 2021 and 2022 (Unaudited)	8

	Condensed Statements of Cash Flows for the three and six months ended June 30, 2021 and 2022 (Unaudited)	9

	Notes to Condensed Financial Statements ~~(unaudited)~~(Unaudited)	810

Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	2420

Item 3.	Quantitative and Qualitative Disclosures about Market Risk	3430

Item 4.	Controls and Procedures	3430

PART II.	OTHER INFORMATION	32

Item 1.	Legal Proceedings	3532

Item 1A.	Risk Factors	3532

Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	6163

Item 3.	Defaults Upon Senior Securities	6163

Item 4.	Mine Safety Disclosures	6163

Item 5.	Other Information	6163

Item 6.	Exhibits	6164

	Balance at		Amounts			Settlements			Balance at
	December 31,		Recognized			Upon			September 30,
	2016		Upon Delivery			Adjudication			2017
Accounts receivable, gross	$	128,969	$	12,510,526		$	(5,649,054	)	$	6,990,441
Reserve for contractual discounts		—		(4,545,128	)		2,399,458			(2,145,670	)
Reserve for aged non-patient receivables		—		(598,532	)		70,950			(527,582	)
Reserve for estimated patient receivables		—		(90,931	)		1,072			(89,859	)
Reserve for other payer-specific sales allowances		—		(4,360,775	)		1,266,817			(3,093,958	)
Accounts receivable, net	$	128,969	$	2,915,160		$	(1,910,757	)	$	1,133,372

Stock price	$	2.13
Exercise price	$	2.50
Expected dividend yield		0.00	%
Discount rate-bond equivalent yield		1.93	%
Expected life (in years)		5.00
Expected volatility		80.0	%

	For the three months ended September 30,						For the nine months ended September 30,
	2016			2017			2016			2017
Net revenues	$	1,047,280		$	1,111,411		$	1,931,509		$	4,073,437
Costs and expenses:
Cost of revenues		1,876,288			2,487,054			5,020,649			6,985,213
Research and development expenses		600,613			856,698			2,044,968			2,455,947
General and administrative expenses		1,918,543			1,834,771			4,923,431			5,539,432
Sales and marketing expenses		1,278,455			1,675,852			3,875,063			4,701,030
Total costs and expenses		5,673,899			6,854,375			15,864,111			19,681,622
Loss from operations		(4,626,619	)		(5,742,964	)		(13,932,602	)		(15,608,185	)
Other income/ (expense):
Interest expense		(154,869	)		(88,269	)		(393,029	)		(385,172	)
Other income		38,412			12,804			115,236			51,216
Total other income/ (expense):		(116,457	)		(75,465	)		(277,793	)		(333,956	)
Loss before income taxes		(4,743,076	)		(5,818,429	)		(14,210,395	)		(15,942,141	)
Income tax expense		—			(2,877	)		(2,053	)		(5,023	)
Net loss and comprehensive loss	$	(4,743,076	)	$	(5,821,306	)	$	(14,212,448	)	$	(15,947,164	)
Weighted-average shares outstanding used in computing net loss per share attributable to common shareholders:
Basic		8,370,691			29,605,953			7,549,663			25,816,181
Diluted		8,370,691			29,605,953			7,549,663			25,816,181
Net loss per common share:
Basic	$	(0.57	)	$	(0.20	)	$	(1.88	)	$	(0.62	)
Diluted	$	(0.57	)	$	(0.20	)	$	(1.88	)	$	(0.62	)

	For the Six Months Ended June 30,
Non-cash Investing and Financing Activities	2021		2022
Financed insurance premiums	$	622	$	672
Fixed assets purchased through financed lease obligations	$	894	$	-
Fixed assets within accounts payable	$	88	$	361

~~Blue Cross Blue Shield~~	27	%
~~Medicare and Medicare Advantage~~	20	%
~~United Healthcare~~	14	%

Stock price	$	1.39
Exercise price	$	1.50
Expected dividend yield		0.00	%
Discount rate-bond equivalent yield		1.81	%
Expected life (in years)		5.00
Expected volatility		100.0	%

	Finance			Operating
	Minimum			Minimum
	Lease			Lease
	Payments			Payments
2022 (Remaining 6 months)	$	536		$	795
2023		964			1,629
2024		535			1,672
2025		182			1,715
2026		19			1,762
Thereafter		-			8,518
Total payments		2,236			16,091
Less amount representing interest		(226	)		(6,160	)
Present value of payments	$	2,010		$	9,931

				Maintenance
	Minimum			and Sales Tax
	Lease			Obligation
	Payments			Payments
2017	$	79,763		$	8,954
2018		338,273			58,355
2019		313,529			68,925
2020		277,291			54,768
2021		267,665			48,802
Thereafter		522,397			88,313
Total payments		1,798,918			328,117
Less amount representing interest		(544,210	)		—
Present value of payments	$	1,254,708		$	328,117

	Number of Shares			Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Term in Years
Outstanding at December 31, 2021		2,413,194		$	7.04		9.06
Granted		1,159,250		$	2.35
Cancelled/forfeited/expired		(1,097,795	)	$	7.28
Outstanding at June 30, 2022		2,474,649		$	4.74		9.03
Vested and unvested expected to vest, June 30, 2022		2,449,519		$	4.75		9.03

		2022
Stock and exercise prices		$~~1.22 – $2.13~~2.32 - $2.39
Expected dividend yield		0.00%
Discount rate-bond equivalent yield	~~1.79% – 2.08%~~	1.76% - 2.41%
Expected life (in years)	~~5.12 – 6.09~~	5.55 - 6.03
Expected volatility	~~70.0%~~	161% - ~~90.0%~~163%


	~~Percentage of~~
	~~Overall Performance Stock~~
	~~Option Grant Subject to~~
	~~Vesting~~
~~Target~~
~~Minimum revenue~~	~~20%~~
~~Cost of revenue reductions and improvements~~	~~15%~~
~~Increase cash generated from operations~~	~~15%~~
~~Minimum cash on-hand at December 31, 2017~~	~~15%~~
~~Minimum customer agreements, product licensing and product launch~~	~~20%~~
~~Implementation of new products and utility trials~~	~~15%~~
~~Total~~	~~100%~~

				Weighted
	Number of			Average Grant
	Shares			Date Fair Value
Outstanding at December 31, 2016		174,249		$	2.68
Granted		350,000		$	1.50
Vested and issued		(155,829	)	$	1.96
Forfeited		(7,500	)	$	2.12
Outstanding at September 30, 2017		360,920		$	1.87
Vested and unvested expected to vest at September 30, 2017		301,420		$	1.95


	~~Percentage of~~
	~~Overall Performance RSU~~
	~~Grant Subject to~~
	~~Vesting~~
~~Target~~
~~Minimum revenue~~	~~20%~~
~~Cost of revenue reductions and improvements~~	~~15%~~
~~Increase cash generated from operations~~	~~15%~~
~~Minimum cash on-hand at December 31, 2017~~	~~15%~~
~~Minimum customer agreements, product licensing and product launch~~	~~20%~~
~~Implementation of new products and utility trials~~	~~15%~~
~~Total~~	~~100%~~

	For the three months ended				For the nine months ended
	September 30,				September 30,
	2016		2017		2016		2017
Stock Options
Cost of revenues	$	34,119	$	59,720	$	89,606	$	133,105
Research and development expenses		28,189		53,405		87,153		121,834
General and administrative expenses		292,381		178,671		829,516		528,406
Sales and marketing expenses		51,924		40,181		91,164		100,327
Total expenses related to stock options		406,613		331,977		1,097,439		883,672
RSUs
Cost of revenues		14,918		20,417		16,834		58,717
Research and development expenses		14,131		20,418		15,583		57,490
General and administrative expenses		6,668		74,521		7,676		160,927
Sales and marketing expenses		22,939		28,355		27,447		71,343
Total stock-based compensation	$	465,269	$	475,688	$	1,164,979	$	1,232,149

	For the three and nine-months ended				For the Six Months Ended June 30,
	September 30,				2021		2022
	2016		2017
Preferred warrants outstanding (number of common stock equivalents)		529		529
Common warrants outstanding		1,896,826		8,401,746		987,986		857,261
RSUs outstanding		176,749		360,920		36		-
Convertible preferred stock outstanding (number of common stock equivalents)						46,651		46,451
Common options outstanding		926,608		2,484,286		1,324,675		2,474,649
Total anti-dilutive common share equivalents		3,000,712		11,247,481		2,359,348		3,378,361

	Nine months ended September 30,						Change
	2016			2017			$			%
(dollars in thousands)
Net revenues	$	1,932		$	4,073		$	2,141			111	%
Cost of revenues		5,021			6,985			1,964			39	%
Research and development expenses		2,045			2,456			411			20	%
General and administrative expenses		4,923			5,539			616			13	%
Sales and marketing expenses		3,875			4,701			826			21	%
Loss from operations		(13,932	)		(15,608	)		(1,676	)		12	%
Interest expense		(393	)		(385	)		8			(2	%)
Other income		115			51			(64	)		(56	%)
Loss before income taxes		(14,210	)		(15,942	)		(1,732	)		12	%
Income tax expense		(2	)		(5	)		(3	)		2
Net loss	$	(14,212	)	$	(15,947	)	$	(1,735	)		12	%


•	conducting clinical utility studies of such assays in collaboration with key thought leaders to demonstrate their use and value in important medical decisions such as treatment selection;


•	multiple, conflicting and changing laws and regulations such as tax laws, export and import restrictions, employment laws, regulatory requirements and other governmental approvals, permits and licenses;


•	establishes an Independent Payment Advisory Board to reduce the per capita rate of growth in Medicare spending if spending exceeds a target growth rate. The Independent Payment Advisory Board has broad discretion to propose policies, which may have a negative impact on payment rates for services, including clinical laboratory services, beginning in 2016, and for hospital services beginning in 2020; and
•	requires each medical device manufacturer to pay an excise tax equal to 2.3% of the price for which such manufacturer sells its medical devices that are listed with the FDA. We believe that at this time this tax does not apply to our current diagnostic assays or to our products that are currently sold or in development; nevertheless, this could change in the future if either the FDA or the Internal Revenue Service, which regulates the payment of this excise tax, changes its position.


•not experimental or investigational; •medically necessary; •appropriate for the specific patient; •cost-effective; •supported by peer-reviewed publications; and •included in clinical practice guidelines.	~~not experimental or investigational;~~
•			~~medically necessary;~~
•			~~appropriate for the specific patient;~~
•			~~cost-effective;~~
•		~~supported by peer-reviewed publications; and~~
•			~~included in clinical practice guidelines.~~


•	the federal Anti-Kickback Statute, which prohibits, among other things, persons or entities from soliciting, receiving, offering or providing remuneration, directly or indirectly, overtly or covertly, in cash or in kind, in return for or to induce either the referral of an individual for, or the purchase, lease, order or recommendation of, any good, facility, item or services for which payment may be made under a federal health care program such as the Medicare and Medicaid programs;


•	progress, or lack of progress, in performing, developing and commercializing our current assays and our planned future assays;

•	~~our ability to remain compliant with the terms of our April 2014 Credit Facility;~~
•		our ability to recruit and retain qualified ~~research~~medical, laboratory, clinical investigation and ~~development~~scientific personnel;


•		the rate of adoption and/or continued use of our current assays and our planned future assays by healthcare practitioners;


•		any intellectual property infringement lawsuit in which we may become involved;


•	classify our Board of Directors into three classes of equal (or roughly equal) size, with all directors serving for a three-year term and the directors of only one class being elected at each annual meeting of stockholders, so that the terms of the classes of directors are “~~staggered~~”;
•		~~allow the authorized number of directors to be changed only by resolution of our Board of Directors;~~
•		authorize our Board of Directors to issue, without stockholder approval, preferred stock, the rights of which will be determined at the discretion of the Board of Directors and that, if issued, could operate as a “~~poison pill~~” ~~to dilute the stock ownership of a potential hostile acquirer to prevent an acquisition that our Board of Directors does not approve;~~
•	~~establish advance notice requirements for stockholder nominations to our Board of Directors or for stockholder proposals that can be acted on at stockholder meetings; and~~
•	~~limit who may call a stockholders meeting.~~

Exhibit No.		Description of Exhibit

3.1		Amended and Restated Certificate of Incorporation, as amended by a Certificate of Amendment ~~of Certificate of Incorporation~~thereto (incorporated by reference to Exhibit 3.1.4 of the Registrant’s Current Report on Form 8-K, filed with the SEC on February 14, 2014).
3.2		Certificate of Amendment of Certificate of Incorporation (incorporated by reference to Exhibit 3.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on September 29, 2016).
3.3		Certificate of Amendment to Certificate of Incorporation (incorporated by reference to Exhibit 3.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on July 6, 2018).
3.4		Certificate of Amendment to Certificate of Incorporation (incorporated by reference to Exhibit 3.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on September 4, 2020).
3.5		Certificate of Designation of Preferences, Rights and Limitations of Series A Convertible Preferred Stock (incorporated by reference to Exhibit 3.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on August 13, 2018).
3.6		Amended and Restated Bylaws (incorporated by reference to Exhibit 3.2.1 of the Registrant’s Registration Statement on Form S-1 (File No. 333-191323), filed with the SEC on September 23, 2013).
~~3.3~~3.7		~~Certificate of Amendment of Certificate of Incorporation (incorporated by reference to Exhibit 3.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on September 29, 2016).~~
~~3.4~~		Amendment to Amended and Restated Bylaws (incorporated by reference to Exhibit 3.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on September 29, 2017).
3.8		Second Amendment to Amended and Restated Bylaws (incorporated by reference to Exhibit 3.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on March 24, 2022).
4.1		Reference is made to Exhibits 3.1, 3.2, 3.3, 3.4, 3.5,3.6, 3.7. and ~~3.4.~~3.8.
4.2		Specimen Common Stock ~~certificate of Biocept, Inc. (incorporated by reference to Exhibit 4.3~~Certificate of the ~~Registrant’s Annual Report on Form 10-K, filed with the SEC on March 28, 2017).~~

~~Exhibit No.~~		~~Description of Exhibit~~
~~4.3~~		~~Form of Representative’s Warrant, dated February 10, 2014~~Registrant (incorporated by reference to Exhibit 4.2 of the Registrant’s ~~Registration Statement~~Quarterly Report on Form ~~S-1 (File No. 333-191323), as amended,~~10-Q, filed with the SEC on November ~~20, 2013)~~16, 2020).
~~4.4~~4.3		Form of Warrant issued to the lenders under the Loan and Security Agreement, dated as of April 30, 2014, by and among Biocept, Inc., Oxford Finance LLC, as collateral agent, and the lenders party thereto from time to time, including Oxford Finance LLC (incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on May 6, 2014).
~~4.5~~4.4		Form of Warrant to Purchase Common Stock (incorporated by reference to Exhibit 4.5 of the Registrant’s Registration Statement on Form S-1 (File No. 333-201437), filed with the SEC on February 6, 2015).
~~4.6~~		Warrant to Purchase Preferred Stock, dated September 10, 2012, issued by the Registrant in favor of ARE-SD Region No. 18, LLC (incorporated by reference to Exhibit 10.11.3 of the Registrant’s Registration Statement on Form S-1 (File No. 333-191323), filed with the SEC on September 23, 2013).
~~4.7~~		Warrant to Purchase Common Stock, dated September 10, 2013, issued by the Registrant in favor of ARE-SD Region No. 18, LLC (incorporated by reference to Exhibit 10.11.6 of the Registrant’s Registration Statement on Form S-1 (File No. 333-191323), filed with the SEC on September 23, 2013).
~~4.8~~		Warrant to Purchase Preferred Stock dated as of January 21, 2009, issued by the Registrant in favor of Goodman Co. Ltd. (incorporated by reference to Exhibit 10.17.1 of the Registrant’s Registration Statement on Form S-1 (File No. 333-191323), filed with the SEC on September 23, 2013).
~~4.9~~		Warrant to Purchase Common Stock dated as of July 31, 2013, issued by the Registrant in favor of Goodman Co. Ltd. (incorporated by reference to Exhibit 10.17.3 of the Registrant’s Registration Statement on Form S-1 (File No. 333-191323), filed with the SEC on September 23, 2013).
~~4.10~~		Form of Warrant to Purchase Preferred Stock, issued by the Registrant in favor of various investors under the Note and Warrant Purchase Agreement dated as of January 13, 2012 (incorporated by reference to Exhibit 10.19.3 of the Registrant’s Registration Statement on Form S-1 (File No. 333-191323), filed with the SEC on September 23, 2013).
~~4.11~~		Form of Amendment of Warrant to Purchase Preferred Stock, dated as of September 13, 2013 (incorporated by reference to Exhibit 10.19.4 of the Registrant’s Registration Statement on Form S-1 (File No. 333-191323), filed with the SEC on September 23, 2013).
~~4.12~~		Form of Warrant to Purchase Common Stock, issued by the Registrant in favor of various investors under the Note and Warrant Purchase Agreement dated as of June 28, 2013 (incorporated by reference to Exhibit 10.20.2 of the Registrant’s Registration Statement on Form S-1 (File No. 333-191323), filed with the SEC on September 23, 2013).
~~4.13~~		Form of Warrant to Purchase Common Stock, issued by the Registrant in favor of various guarantors under the Reimbursement Agreement dated as of July 11, 2013 (incorporated by reference to Exhibit 10.21.1 of the Registrant’s Registration Statement on Form S-1 (File No. 333-191323), filed with the SEC on September 23, 2013).
~~4.14~~		Form of Common Stock Purchase Warrant issued to the investors under the Securities Purchase Agreement, dated April 29, 2016, by and among Biocept, Inc. and the purchasers signatory thereto (incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on April 29, 2016).
~~4.15~~		Form of Warrant to Purchase Common Stock (incorporated by reference to Exhibit 4.16 of the Registrant’s Post-Effective Amendment to Registration Statement on Form S-1 (File No. 333-213111), filed with the SEC on October 14, 2016).
~~4.16~~		Form of Common Stock Purchase Warrant issued to the investors under the Securities Purchase Agreement, dated March 28, 2017, by and among Biocept, Inc. and the purchasers signatory thereto (incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on March 30, 2017).
~~4.17~~4.5		Common Stock Purchase Warrant issued by the Registrant in favor of Ally Bridge LB Healthcare Master Fund Limited under the Common Stock and Warrant Purchase Agreement dated August 9, 2017 (incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on August 10, 2017).
4.6		Common Stock Purchase Warrant issued in favor of Dawson James Securities, Inc. under the Securities Purchase Agreement dated December 5, 2017 (incorporated by reference to Exhibit 4.18 of the Registrant’s Registration Statement on Form S-1 (File No. 333-221648), as amended, filed with the SEC on January 22, 2018).
4.7		Form of Warrant to Purchase Common Stock issued to the investors under the Securities Purchase Agreement, dated January 26, 2018 (incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on January 30, 2018).
4.8		Warrant Agency Agreement dated August 13, 2018 by and between the Registrant and Continental Stock Transfer & Trust Company (incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on August 13, 2018).
4.9		Form of Common Stock Purchase Warrant (incorporated by reference to Exhibit 3.6 of the Registrant’s Registration Statement on Form S-1 (File No. 333-225147), as amended, filed with the SEC on July 11, 2018).
4.10		Form of Series A Common Stock Purchase Warrant (incorporated by reference to Exhibit 4.2 of the Registrant’s Current Report on Form 8-K, filed with the SEC on September 24, 2018).
4.11		Form of Series B Common Stock Purchase Warrant (incorporated by reference to Exhibit 4.24 of the Registrant’s Registration Statement on Form S-1 (File No. 333-228566), filed with the SEC on November 28, 2018).
4.12		Form of Series B Common Stock Purchase Warrant(incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on March 18, 2019).

4.13		Form of Series C Common Stock Purchase Warrant (incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on May 29, 2019).
4.14		Form of Common Stock Warrant (incorporated by reference to Exhibit 4.19 of the Registrant’s Registration Statement on Form S-1 (File No. 333-234459), as amended, filed with the SEC on December 6, 2019).
4.15		Form of Common Stock Warrant (incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on December 11, 2019).
4.16		Form of Warrant Amendment (incorporated by reference to Exhibit 4.1 of the Registrant’s Current Report on Form 8-K, filed with the SEC on January 9, 2020).
4.17		Form of Common Stock Purchase Warrant (incorporated by reference to Exhibit 4.2 of the Registrant’s Current Report on Form 8-K, filed with the SEC on January 9, 2020).
10.1		Second Amendment to Assignment and Exclusive Cross-License Agreement with Aegea, dated May 22, 2022, by and between Biocept, Inc. and Aegea Biotechnologies.
31.1		Certification of ~~Michael Nall,~~Samuel D. Riccitelli, Interim Chief Executive Officer, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2		Certification of ~~Timothy Kennedy,~~Antonino Morales, Interim Chief Financial Officer, pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1*		Certification of ~~Michael Nall,~~Samuel D. Riccitelli, Interim Chief Executive Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2*		Certification of ~~Timothy Kennedy,~~Antonino Morales, Interim Chief Financial Officer, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS		Inline XBRL Instance Document
101.SCH		Inline XBRL Taxonomy Extension Schema Document

~~Exhibit No.~~101.CAL		~~Description of Exhibit~~
~~101.CAL~~		Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF		Inline XBRL Taxonomy Extension Definition Linkbase Document
101.LAB		Inline XBRL Taxonomy Extension Label Linkbase Document
101.PRE		Inline XBRL Taxonomy Extension Presentation Linkbase Document
104		Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

	BIOCEPT, INC. ~~(Registrant)~~

Date: November ~~14, 2017~~10, 2022	By:	/s/ ~~Michael W. Nall~~Samuel D. Riccitelli
		~~Michael W. Nall~~Samuel D. Riccitelli
		Interim President and Chief Executive Officer ~~and Director~~
		(Principal Executive Officer)

Date: November ~~14, 2017~~10, 2022	By:	/s/ ~~Timothy C. Kennedy~~Antonino Morales
		~~Timothy C. Kennedy~~Antonino Morales
		Interim Chief Financial Officer ~~Senior Vice President of Operations~~
		(Principal Financial and Accounting Officer)

Large accelerated filer

Accelerated filer

Non-accelerated filer

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Smaller reporting company

Emerging growth company