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MTSI MACOM Technology Solutions

Filed: 29 Apr 21, 4:02pm

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-Q
 
(Mark One)
QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended April 2, 2021
or
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from            to            
Commission File Number: 001-35451
MACOM Technology Solutions Holdings, Inc.
(Exact name of registrant as specified in its charter) 
Delaware 27-0306875
(State or other jurisdiction of
incorporation or organization)
 (I.R.S. Employer
Identification No.)
100 Chelmsford Street
Lowell, MA 01851
(Address of principal executive offices and zip code)
(978) 656-2500
(Registrant’s telephone number, including area code)
 
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of exchange on which registered
Common Stock, par value $0.001 per shareMTSINasdaq Global Select Market
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days.    Yes      No  
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).    Yes      No  
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large accelerated filer  Accelerated filer
Non-accelerated filer  Smaller reporting company
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes      No  
As of April 26, 2021, there were 68,669,376 shares of the registrant’s common stock outstanding.



MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
FORM 10-Q
TABLE OF CONTENTS



PART I—FINANCIAL INFORMATION
ITEM 1.FINANCIAL STATEMENTS
MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
CONDENSED CONSOLIDATED BALANCE SHEETS
(Unaudited, in thousands)
April 2,
2021
October 2,
2020
ASSETS
Current assets:
Cash and cash equivalents$105,540 $129,441 
Short-term investments162,554 203,711 
Accounts receivable, net68,281 45,884 
Inventories84,516 91,584 
Prepaid and other current assets11,742 10,899 
Total current assets432,633 481,519 
Property and equipment, net114,253 118,866 
Goodwill314,377 315,012 
Intangible assets, net107,499 130,898 
Deferred income taxes40,214 41,935 
Other investments19,483 17,745 
Other long-term assets39,936 40,453 
TOTAL ASSETS$1,068,395 $1,146,428 
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
Current portion of finance lease obligations and other$1,203 $1,368 
Current portion of long-term debt6,885 
Accounts payable26,473 23,043 
Accrued liabilities60,897 63,654 
Total current liabilities88,573 94,950 
Finance lease obligations and other, less current portion28,494 28,994 
Long-term debt, less current portion492,173 652,172 
Warrant liability25,312 
Other long-term liabilities47,022 44,854 
Total liabilities656,262 846,282 
Stockholders’ equity:
Common stock69 67 
Treasury stock, at cost(330)(330)
Accumulated other comprehensive income4,462 5,009 
Additional paid-in capital1,241,820 1,135,127 
Accumulated deficit(833,888)(839,727)
Total stockholders’ equity412,133 300,146 
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY$1,068,395 $1,146,428 
See notes to condensed consolidated financial statements.
1


MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
(Unaudited, in thousands, except per share data)

 
 Three Months EndedSix Months Ended
 April 2,
2021
April 3,
2020
April 2,
2021
April 3,
2020
Revenue$150,583 $126,424 $299,087 $245,521 
Cost of revenue66,470 63,054 134,713 123,947 
Gross profit84,113 63,370 164,374 121,574 
Operating expenses:
Research and development34,619 35,830 71,555 70,988 
Selling, general and administrative30,522 31,994 61,774 64,334 
Restructuring charges815 2,049 
Total operating expenses65,141 68,639 133,329 137,371 
Income (loss) from operations18,972 (5,269)31,045 (15,797)
Other expense:
Warrant liability gain (expense)8,647 (11,130)4,560 
Interest expense, net(4,851)(7,672)(9,585)(16,293)
Other income (expense), net2,879 (4,352)(1,624)(8,092)
Total other expense, net(1,972)(3,377)(22,339)(19,825)
Income (loss) before income taxes17,000 (8,646)8,706 (35,622)
Income tax expense2,193 1,580 2,867 2,966 
Net income (loss)$14,807 $(10,226)$5,839 $(38,588)
Net income (loss) per share:
Income (loss) per share - Basic$0.22 $(0.15)$0.09 $(0.58)
Income (loss) per share - Diluted$0.21 $(0.28)$0.08 $(0.64)
 Weighted average shares used:
Basic68,504 66,522 68,130 66,375 
Diluted70,546 67,085 69,983 66,921 
See notes to condensed consolidated financial statements.

2


MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
(Unaudited, in thousands)
 
 Three Months EndedSix Months Ended
 April 2,
2021
April 3,
2020
April 2,
2021
April 3,
2020
Net income (loss)$14,807 $(10,226)$5,839 $(38,588)
Unrealized loss on short term investments, net of tax(373)(1,376)(196)(1,297)
Foreign currency translation loss, net of tax(1,303)(687)(351)(935)
Other comprehensive loss, net of tax(1,676)(2,063)(547)(2,232)
Total comprehensive income (loss)$13,131 $(12,289)$5,292 $(40,820)
See notes to condensed consolidated financial statements.
3


MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY
(Unaudited, in thousands)
Three Months Ended
   Accumulated
Other
Comprehensive Income
Additional
Paid-in
Capital
Accumulated
Deficit
Total
Stockholders’
Equity
 Common StockTreasury Stock
 SharesAmountSharesAmount
Balance as of January 1, 202168,367 $68 (23)$(330)$6,138 $1,172,269 $(848,695)$329,450 
Stock option exercises40 — — — — 642 — 642 
Vesting of restricted common stock and units440 — — — — — 
Shares repurchased for tax withholdings on equity awards(155)— — — — (10,494)— (10,494)
Share-based compensation— — — — — 8,569 — 8,569 
Other comprehensive loss, net of tax— — — — (1,676)— — (1,676)
Equity component of convertible notes, net— — — — — 70,834 — 70,834 
Net income— — — — — — 14,807 14,807 
Balance as of April 2, 202168,692 $69 (23)$(330)$4,462 $1,241,820 $(833,888)$412,133 
Six Months Ended
   Accumulated
Other
Comprehensive Income
Additional
Paid-in
Capital
Accumulated
Deficit
Total
Stockholders’
Equity
 Common StockTreasury Stock
 SharesAmountSharesAmount
Balance as of October 2, 202066,921 $67 (23)$(330)$5,009 $1,135,127 $(839,727)$300,146 
Stock option exercises50 — — — — 817 — 817 
Vesting of restricted common stock and units1,222 — — — — — 
Issuance of common stock pursuant to employee stock purchase plan93 — — — — 2,239 — 2,239 
Shares repurchased for tax withholdings on equity awards(452)— — — — (22,338)— (22,338)
Share-based compensation— — — — — 18,700 — 18,700 
Other comprehensive loss, net of tax— — — — (547)— — (547)
Issuance of common stock for the cashless exercise of warrants858 — — — 36,441 — 36,442 
Equity component of convertible notes, net— — — — — 70,834 — 70,834 
Net income— — — — — — 5,839 5,839 
Balance as of April 2, 202168,692 $69 (23)$(330)$4,462 $1,241,820 $(833,888)$412,133 
See notes to condensed consolidated financial statements.

4


Three Months Ended
   Accumulated
Other
Comprehensive Income
Additional
Paid-in
Capital
Accumulated
Deficit
Total
Stockholders’
Equity
 Common StockTreasury Stock
 SharesAmountSharesAmount
Balance as of January 03, 202066,346 $66 (23)$(330)$4,189 $1,111,606 $(822,011)$293,520 
Stock option exercises16 — — — — 79 — 79 
Vesting of restricted common stock and units554 — — — — — 
Shares repurchased for tax withholdings on equity awards(198)— — — — (5,856)— (5,856)
Share-based compensation— — — — — 10,276 — 10,276 
Other comprehensive loss, net of tax— — — — (2,063)— — (2,063)
Net loss— — — — — — (10,226)(10,226)
Balance as of April 3, 202066,718 $67 (23)$(330)$2,126 $1,116,105 $(832,237)$285,731 
Six Months Ended
   Accumulated
Other
Comprehensive Income
Additional
Paid-in
Capital
Accumulated
Deficit
Total
Stockholders’
Equity
 Common StockTreasury Stock
 SharesAmountSharesAmount
Balance as of September 27, 201966,177 $66 (23)$(330)$4,358 $1,101,576 $(791,774)$313,896 
Cumulative effect of ASU 2016-02— — — — — — (1,875)(1,875)
Stock option exercises18 — — — — 122 — 122 
Vesting of restricted common stock and units564 — — — — — 
Issuance of common stock pursuant to employee stock purchase plan160 — — — — 1,930 — 1,930 
Shares repurchased for tax withholdings on equity awards(201)— — — — (5,949)— (5,949)
Share-based compensation— — — — — 18,426 — 18,426 
Other comprehensive loss, net of tax— — — — (2,232)— — (2,232)
Net loss— — — — — — (38,588)(38,588)
Balance as of April 3, 202066,718 $67 (23)$(330)$2,126 $1,116,105 $(832,237)$285,731 
See notes to condensed consolidated financial statements.
5


MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
(Unaudited, in thousands)
 Six Months Ended
 April 2, 2021April 3, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)$5,839 $(38,588)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and intangibles amortization35,613 40,241 
Share-based compensation18,700 18,426 
Warrant liability expense (gain)11,130 (4,560)
Deferred financing cost amortization and write offs4,954 2,031 
Deferred income taxes1,629 2,322 
(Gain) loss on equity method investment(1,738)9,066 
Other adjustments, net331 1,029 
Change in operating assets and liabilities:
Accounts receivable(22,397)16,787 
Inventories7,068 8,256 
Prepaid expenses and other assets(4,033)9,772 
Accounts payable3,841 1,812 
Accrued and other liabilities1,324 (849)
Income taxes460 (2,807)
Net cash provided by operating activities62,721 62,938 
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment(7,328)(9,036)
Proceeds from sales and maturities of short-term investments179,426 90,026 
Purchases of short-term investments(138,149)(90,401)
Sale of assets63 363 
Net cash provided by (used in) investing activities34,012 (9,048)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from convertible notes, net of issuance costs394,871 
Payments on long-term debt(496,021)(3,442)
Payments on finance leases and other(666)(871)
Proceeds from stock option exercises and employee stock purchases3,056 2,052 
Repurchase of common stock - tax withholdings on equity awards(22,338)(5,949)
Net cash used in financing activities(121,098)(8,210)
Foreign currency effect on cash464 (464)
NET CHANGE IN CASH AND CASH EQUIVALENTS(23,901)45,216 
CASH AND CASH EQUIVALENTS — Beginning of period129,441 75,519 
CASH AND CASH EQUIVALENTS — End of period$105,540 $120,735 
See notes to condensed consolidated financial statements.
6


MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
(Unaudited)

1. BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Unaudited Interim Financial Information—The accompanying unaudited, condensed consolidated financial statements have been prepared according to the rules and regulations of the United States (the “U.S.”) Securities and Exchange Commission (the “SEC”) and, in the opinion of management, reflect all adjustments, which include normal recurring adjustments, necessary for a fair statement of the condensed consolidated balance sheets, condensed consolidated statements of operations, comprehensive income (loss), stockholders' equity and cash flows of MACOM Technology Solutions Holdings, Inc. (“MACOM”, the “Company”, “us”, “we” or “our”) for the periods presented. We prepare our interim financial information using the same accounting principles we use for our annual audited consolidated financial statements. Certain information and note disclosures normally included in the annual audited consolidated financial statements have been condensed or omitted in accordance with prescribed SEC rules. We believe that the disclosures made in our condensed consolidated financial statements and the accompanying notes are adequate to make the information presented not misleading.
The condensed consolidated balance sheet as of October 2, 2020 is as reported in our audited consolidated financial statements as of that date. Our accounting policies are described in the notes to our October 2, 2020 consolidated financial statements, which were included in our Annual Report on Form 10-K for our fiscal year ended October 2, 2020 filed with the SEC on November 18, 2020 (the “2020 Annual Report on Form 10-K”). We recommend that the financial statements included in this Quarterly Report on Form 10-Q be read in conjunction with the consolidated financial statements and notes included in our 2020 Annual Report on Form 10-K.
Principles of Consolidation—The accompanying condensed consolidated financial statements include our accounts and the accounts of our majority-owned subsidiaries. All intercompany balances and transactions have been eliminated in consolidation.
We have a 52- or 53-week fiscal year ending on the Friday closest to the last day of September. Fiscal year 2021 includes 52 weeks and fiscal year 2020 included 53 weeks. To offset the effect of holidays, for fiscal years in which there are 53 weeks, we include the extra week arising in such fiscal years in the first fiscal quarter. Our first fiscal quarter ended January 1, 2021 included 13 weeks and the first fiscal quarter ended January 3, 2020 had 14 weeks.
Use of Estimates—The preparation of condensed consolidated financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities during the reporting periods, the reported amounts of revenue and expenses during the reporting periods, and the disclosure of contingent assets and liabilities at the date of the financial statements. On an ongoing basis, we base estimates and assumptions on historical experience, currently available information and various other factors that management believes to be reasonable under the circumstances. Actual results may differ materially from these estimates and assumptions.
Recent Accounting Pronouncements—Our Recent Accounting Pronouncements are described in the 2020 Annual Report on Form 10-K.
Pronouncements Adopted in Fiscal Year 2021
On the first day of fiscal year 2021, we adopted Accounting Standards Update (“ASU”) 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments. This ASU introduces a new accounting model known as Credit Expected Credit Losses (“CECL”), which requires earlier recognition of credit losses. The CECL model utilizes a lifetime expected credit loss measurement objective for the recognition of credit losses for receivables at the time the financial asset is originated or acquired, replacing the current incurred loss methodology that delays recognition of credit losses until a probable loss has been incurred. There are other provisions within the standard affecting how impairments of other financial assets may be recorded and presented, as well as expanded disclosures. There was no impact to our unaudited condensed consolidated financial statements from the adoption of this guidance.
We generate accounts receivable from customers and they are classified as short-term. We monitor collections and maintain a provision for expected credit losses based on historical trends, current conditions, and relevant forecasted information, in addition to provisions established for any specific collection issues that have been identified. As of April 2, 2021, our allowance for expected credit losses was less than $0.1 million.
Our investments in debt securities, which are classified as available-for-sale, are further disclosed in Note 3, Investments. As of April 2, 2021, our available-for-sale debt securities had gross unrealized losses of $0.2 million, which we believe to be temporary, and therefore there is no allowance for credit losses recorded in our condensed consolidated statement of operations.
7


In January 2017, the Financial Accounting Standards Board (the “FASB”) issued ASU 2017-04, Intangibles - Goodwill and Other (Topic 350): Simplifying the Test for Goodwill Impairment. ASU 2017-04 simplifies the subsequent measurement of goodwill by eliminating Step 2 from the goodwill impairment test. Instead, a one-step quantitative impairment test calculates goodwill impairment as the excess of the carrying value of a reporting unit over its fair value, up to the carrying value of the goodwill. This ASU should be applied on a prospective basis. We adopted this ASU in the first quarter of fiscal year 2021 and the adoption of this update did not have an impact on our condensed consolidated financial statements and related disclosures.
In August 2018, the FASB issued ASU 2018-15, Goodwill and Other - Internal-Use Software (Subtopic 350-40): Customer's Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract, to provide additional guidance on the accounting for costs of implementing cloud computing arrangements that are service contracts, and requiring customers in such arrangements to follow the guidance in Subtopic 350-40. The amendments in this update require the capitalization of implementation costs during the application development stage of such hosting arrangements and amortization of the expense over the term of the arrangement beginning when the module or component of the hosting arrangement is ready for its intended use. Capitalized implementation costs and amortization thereof are also required to be classified in the same line item in the statements of financial position, operations and cash flows associated with the hosting service fees. We adopted this ASU in the first quarter of fiscal year 2021 and selected prospective application to all implementation costs incurred after the adoption date. The adoption of this update did not have an impact on our condensed consolidated financial statements and related disclosures.
Pronouncements for Adoption in Subsequent Periods

In March 2020, the FASB issued ASU 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting, which provides optional expedients and exceptions to applying the guidance on contract modifications, hedge accounting, and other transactions, to simplify the accounting for transitioning from the London Interbank Offered Rate, and other interbank offered rates expected to be discontinued, to alternative reference rates. The guidance in this update was effective upon its issuance; if elected, it is to be applied prospectively through December 31, 2022. We are currently evaluating the effect the potential adoption of this ASU will have on our consolidated financial statements, including but not limited to our credit agreement. For additional information regarding our credit agreement, refer to Note 8 - Debt.
In August 2020, the FASB issued ASU 2020-06, Debt—Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging—Contracts in Entity’s Own Equity (Subtopic 815-40): Accounting for Convertible Instruments and Contracts in an Entity’s Own Equity, which simplifies the accounting for certain financial instruments with characteristics of liability and equity, including convertible instruments and contracts on an entity’s own equity. The standard reduces the number of models used to account for convertible instruments, removes certain settlement conditions that are required for equity contracts to qualify for the derivative scope exception, and requires the if-converted method for calculation of diluted earnings per share for all convertible instruments. The standard is effective for public companies for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2021. Early adoption is permitted, but no earlier than fiscal years beginning after December 15, 2020. We are evaluating the impact to our financial statements and expect that the resulting impact will be to reclassify the equity component of our 2026 Convertible Notes (as defined below) from additional paid-in capital to long-term debt, up to the par value, and a reduction of our reported interest expense on our 2026 Convertible Notes to their stated 0.25% percent coupon rate on a prospective basis. For additional information regarding our debt, refer to Note 8 - Debt.
2. REVENUE
Disaggregation of Revenue
We disaggregate revenue from contracts with customers by markets and geography, as we believe it best depicts how the nature, amount, timing and uncertainty of revenue and cash flows are affected by economic factors.
8


The following tables present our revenue disaggregated by markets and geography (in thousands):
Three Months EndedSix Months Ended
April 2, 2021April 3, 2020April 2, 2021April 3, 2020
Revenue by Market:
Telecommunications$42,273 $51,648 $93,805 $97,249 
Industrial & Defense72,090 48,069 133,708 98,552 
Data Center36,220 26,707 71,574 49,720 
Total$150,583 $126,424 $299,087 $245,521 

Three Months EndedSix Months Ended
April 2, 2021April 3, 2020April 2, 2021April 3, 2020
Revenue by Geographic Region:
United States$72,255 $56,380 $136,237 $110,331 
China37,199 40,433 79,575 77,773 
Asia Pacific, excluding China (1)
25,515 20,044 47,288 38,864 
Other Countries (2)
15,614 9,567 35,987 18,553 
Total$150,583 $126,424 $299,087 $245,521 
(1)Asia Pacific represents Taiwan, Japan, Singapore, India, Thailand, South Korea, Australia, Malaysia, the Philippines and Vietnam.
(2)No country or region represented greater than 10% of our total revenue as of the dates presented, other than the United States, China and Asia Pacific region as presented above.
Contract Balances
We record contract assets or contract liabilities depending on the timing of revenue recognition, billings and cash collections on a contract-by-contract basis. Our contract liabilities primarily relate to deferred revenue, including advanced consideration received from customers for contracts prior to the transfer of control to the customer, and therefore revenue is subsequently recognized upon delivery of products and services.
The following table presents the changes in contract liabilities during the six months ended April 2, 2021 (in thousands, except percentage):
April 2, 2021October 2, 2020$ Change% Change
 Contract liabilities$6,548 $9,861 $(3,313)(34)%
As of April 2, 2021 and October 2, 2020, $4.8 million and $3.5 million, respectively, of our contract liabilities, were recorded as other long-term liabilities on our balance sheet with the remainder recorded as accrued liabilities. During the three and six months ended April 2, 2021, we recognized net sales of $0.7 million and $6.0 million, respectively, that were included in the contract liabilities balance as of the beginning of the period. The decrease in contract liabilities during the six months ended April 2, 2021, as shown in the table above, was primarily related to recognition of license revenue, partially offset by the deferral of revenue for invoiced products and services prior to when certain of our customers obtained control of the product and or services.
3. INVESTMENTS
Our short-term investments are classified as available-for-sale and are summarized in the tables below (in thousands):
 April 2, 2021
 Amortized
Cost
 Gross
Unrealized
Holding Gains
  Gross
Unrealized
Holding Losses
 Aggregate Fair
Value
Corporate bonds$58,240   $151 $(152)$58,239 
Commercial paper104,317 17 (19)104,315 
Total short-term investments$162,557   $168 $(171)$162,554 
9


October 2, 2020
 Amortized
Cost
 Gross
Unrealized
Holding Gains
Gross
Unrealized
Holding Losses
 Aggregate Fair
Value
Corporate bonds$68,605   $348 $(333)$68,620 
Commercial paper134,913 192 (14)135,091 
Total short-term investments$203,518 $540 $(347)$203,711 
    
The contractual maturities of available-for-sale investments were as follows (in thousands):
 April 2, 2021
Less than one year$104,315 
Over one year58,239 
Total available-for-sale investments$162,554 
Available-for-sale investments are reported at fair value and, as such, their associated unrealized gains and losses are reported as a separate component of stockholders’ equity within accumulated other comprehensive income.
Other Investments — As of April 2, 2021, we held two non-marketable equity investments classified as long-term investments, including an investment in a Series B preferred stock ownership of a privately held manufacturing corporation with preferred liquidation rights over other equity shares. As the equity securities do not have a readily determinable fair value and do not qualify for the practical expedient under Accounting Standards Codification ("ASC") 820, Fair Value Measurement, we have elected to account for this investment at cost less any impairment. We evaluate this investment for impairment at each balance sheet date. As of April 2, 2021 and October 2, 2020, the carrying value of this investment was $2.5 million.
Also included in long-term investments, is a non-controlling investment of less than 20% in the outstanding equity of a private company (“Compute”) that was acquired in conjunction with our divestiture of the Compute business during our fiscal year 2018. This investment value is updated quarterly based on our proportionate share of the losses or earnings, as well as any changes in Compute's equity, utilizing the equity method. During the three and six months ended April 2, 2021, we recorded income of $6.5 million and $1.7 million, respectively, associated with this investment as other income (expense) in our condensed consolidated statements of operations. Amounts for the three and six months ended April 2, 2021 include a non-cash gain of $9.8 million associated with changes in Compute's equity. During the three and six months ended April 3, 2020, we recorded losses of $5.3 million and $9.1 million, respectively. As of April 2, 2021 and October 2, 2020, the carrying value of this investment was $17.0 million and $15.2 million, respectively.
4. FAIR VALUE
We group our financial assets and liabilities measured at fair value on a recurring basis in three levels, based on the markets in which the assets and liabilities are traded and the reliability of the assumptions used to determine fair value. These levels are:
Level 1 - Quoted prices in active markets for identical assets or liabilities.
Level 2 - Observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities, quoted prices in markets with insufficient volume or infrequent transactions (less active markets), or model-driven valuations in which all significant inputs are observable or can be derived principally from, or corroborated with, observable market data.
Level 3 - Fair value is derived from valuation techniques in which one or more significant inputs are unobservable, including assumptions and judgments made by us.
Assets and Liabilities Measured and Recorded at Fair Value on a Recurring Basis
We measure certain assets and liabilities at fair value on a recurring basis such as our financial instruments. There have been no transfers between Level 1, 2 or 3 assets or liabilities during the three and six months ended April 2, 2021.
10


Assets and liabilities measured at fair value on a recurring basis consist of the following (in thousands):
April 2, 2021
Fair ValueActive Markets for Identical Assets (Level 1)Observable Inputs (Level 2)Unobservable Inputs (Level 3)
Assets
Money market funds$22,531 $22,531 $$
Commercial paper104,315 104,315 
Corporate bonds58,239 58,239 
Total assets measured at fair value$185,085 $22,531 $162,554 $
October 2, 2020
Fair ValueActive Markets for Identical Assets (Level 1)Observable Inputs (Level 2)Unobservable Inputs (Level 3)
Assets
Money market funds$20,139 $20,139 $$
Commercial paper135,091 135,091 
Corporate bonds68,620 68,620 
Total assets measured at fair value$223,850 $20,139 $203,711 $
Liabilities
Common stock warrant liability$25,312 $$$25,312 
Total liabilities measured at fair value$25,312 $$$25,312 
As of April 2, 2021, no common stock warrants remain outstanding. As of October 2, 2020, the fair value of the common stock warrants was estimated using a Black-Scholes option pricing model. For additional information related to these warrants, refer to Note 9 - Stockholder's Equity.
The quantitative information utilized in the fair value calculation of our Level 3 liabilities is as follows:
Inputs
LiabilitiesValuation TechniqueUnobservable InputOctober 2, 2020
Warrant liabilityBlack-Scholes modelVolatility61.8%
Discount rate0.09%
Expected life0.2 years
Exercise price$14.05
Stock price$33.80
Dividend rate0%
The changes in liabilities with inputs classified within Level 3 of the fair value hierarchy consist of the following (in thousands):
October 2,
2020
Net Realized Losses Included in EarningsPurchases
and
Issuances
Sales and
Settlements
April 2,
2021
Common stock warrant liability$25,312 $11,130 $$(36,442)$
September 27,
2019
Net Realized Losses (Gains) Included in EarningsPurchases
and
Issuances
Sales and
Settlements
April 3,
2020
Common stock warrant liability$12,364 $(4,560)$$$7,804 
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5. INVENTORIES
Inventories consist of the following (in thousands):
April 2,
2021
October 2,
2020
Raw materials$44,680 $46,954 
Work-in-process12,000 9,324 
Finished goods27,836 35,306 
Total inventory, net$84,516 $91,584 
6. PROPERTY AND EQUIPMENT
Property and equipment consists of the following (in thousands):
April 2,
2021
October 2,
2020
Construction in process$17,711 $16,174 
Machinery and equipment195,290 191,953 
Leasehold improvements21,670 19,854 
Furniture and fixtures2,735 2,659 
Computer equipment and software18,512 18,487 
Finance lease assets35,589 35,589 
Total property and equipment291,507 284,716 
Less accumulated depreciation and amortization(177,254)(165,850)
Property and equipment, net$114,253 $118,866 
Depreciation and amortization expense related to property and equipment for the three and six months ended April 2, 2021 was $6.0 million and $12.2 million, respectively. Depreciation and amortization expense related to property and equipment for the three and six months ended April 3, 2020 was $7.3 million and $14.7 million, respectively.
7. INTANGIBLE ASSETS
Amortization expense related to intangible assets is as follows (in thousands):
 Three Months EndedSix Months Ended
 April 2,
2021
April 3,
2020
April 2,
2021
April 3,
2020
Cost of revenue$3,806 $4,347 $7,683 $8,767 
Selling, general and administrative7,601 8,072 15,717 16,726 
Total$11,407 $12,419 $23,400 $25,493 
    
Intangible assets consist of the following (in thousands):
April 2,
2021
October 2,
2020
Acquired technology$179,434 $179,434 
Customer relationships245,870 245,870 
Trade name (indefinite-lived)3,400 3,400 
Total428,704 428,704 
Less accumulated amortization(321,205)(297,806)
Intangible assets — net$107,499 $130,898 
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A summary of the activity in gross intangible assets and goodwill is as follows (in thousands):
Intangible Assets
Total Intangible AssetsAcquired
Technology
Customer
Relationships
Trade NameGoodwill
Balance as of October 2, 2020$428,704 $179,434 $245,870 $3,400 $315,012 
Currency translation adjustment(635)
Balance as of April 2, 2021$428,704 $179,434 $245,870 $3,400 $314,377 
As of April 2, 2021, our estimated amortization of our intangible assets in future fiscal years was as follows (in thousands):
2021 Remaining2022202320242025ThereafterTotal
Amortization expense$22,814 33,433 26,048 15,410 3,489 2,905 $104,099 
Accumulated amortization for acquired technology and customer relationships were $159.7 million and $161.5 million, respectively, as of April 2, 2021, and $152.1 million and $145.7 million, respectively, as of October 2, 2020.
8. DEBT
The following represents the outstanding balances and effective interest rates of our borrowings as of April 2, 2021, (in thousands, except percentages):
April 2,
2021
Principal BalanceEffective Interest Rate
LIBOR plus 2.25% term loan due May 2024$170,066 2.36 %
0.25% convertible notes due March 2026 ($400 million principal)328,530 4.25 %
Total principal amount outstanding498,596 
Less: Unamortized discount and deferred financing costs(6,423)
Total long-term debt492,173 
Term Loans
As of April 2, 2021, we are party to a credit agreement dated as of May 8, 2014 with a syndicate of lenders and Goldman Sachs Bank USA (“Goldman Sachs”), as administrative agent (as amended on February 13, 2015, August 31, 2016, March 10, 2017, May 19, 2017, May 2, 2018 and May 9, 2018, the “Credit Agreement”).
As of April 2, 2021, the Credit Agreement consisted of term loans with an initial aggregate principal amount of $700.0 million (the “Term Loans”) and a revolving credit facility with an aggregate borrowing capacity of $160.0 million (the “Revolving Facility”). The Revolving Facility will mature in November 2021 and the Term Loans will mature in May 2024 and bear interest at: (i) for LIBOR loans for any interest period, a rate per annum equal to the LIBOR rate as determined by the administrative agent, plus an applicable margin of 2.25%; and (ii) for base rate loans, a rate per annum equal to the greater of (a) the prime rate quoted in the print edition of the Wall Street Journal, Money Rates Section, (b) the federal funds rate plus one-half of 1.00% and (c) the LIBOR rate applicable to a one-month interest period plus 1.00% (but, in each case, not less than 1.00%), plus an applicable margin of 1.25%.
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During the fiscal quarter ended April 2, 2021, we repaid $494.3 million in principal under the Term Loans using $394.3 million of the net proceeds from our 2026 Convertible Notes offering, described below, as well as existing cash and short-term investments. In connection with this prepayment, we wrote off unamortized deferred financing costs and recognized a loss on extinguishment of debt of $3.8 million for the three and six months ended April 2, 2021. The $3.8 million is a non-cash adjustment to income from operations in our condensed consolidated statements of cash flows for the six months ended April 2, 2021.
As of April 2, 2021, there are no minimum principal repayments on the Term Loans until 2024 when the remaining principal balance of $170.1 million becomes due. The fair value of the Term Loans was estimated to be approximately $168.4 million as of April 2, 2021 and was determined using Level 2 inputs, including a quoted price from a financial institution.
As of April 2, 2021, approximately $1.7 million of deferred financing costs remain unamortized, of which $1.5 million is related to the Term Loans and is recorded as a direct reduction of the recognized debt liabilities in our accompanying condensed consolidated balance sheet, and $0.2 million is related to the Revolving Facility and is recorded in other long-term assets in our accompanying condensed consolidated balance sheet.
The Term Loans and Revolving Facility are secured by a first priority lien on substantially all of our assets and provide that we must comply with certain financial and non-financial covenants.
In the event that we divest a business, the net cash proceeds of the divestment are generally required, subject to certain exceptions, to be applied to repayment of outstanding Term Loans except to the extent we reinvest such proceeds in assets useful for our business within 18 months of receiving the proceeds. If we enter into a binding agreement to reinvest such proceeds within 18 months of receiving them, we have until the later of 18 months following our receipt of the proceeds and six months following the date of such agreement to complete the reinvestment.
As of April 2, 2021, we had $160.0 million of borrowing capacity under our Revolving Facility, of which we may borrow up to $50.0 million without being subject to certain financial covenants.
2026 Convertible Notes
On March 25, 2021, we issued 0.25% convertible senior notes due in 2026, pursuant to an Indenture dated as of such date (the Indenture), between the Company and U.S. Bank National Association, as trustee, with an aggregate principal amount of $400.0 million (the 2026 Convertible Notes), including an option for the initial purchaser of the 2026 Convertible Notes to purchase up to an additional $60.0 million principal amount of the 2026 Convertible Notes in a private placement to qualified institutional buyers pursuant to Rule144A under the Securities Act of 1933, as amended. The 2026 Convertible Notes will mature on March 15, 2026, unless earlier converted, redeemed or repurchased.
Holders of the 2026 Convertible Notes may convert their notes at their option at any time prior to the close of business on the business day immediately preceding December 15, 2025 in multiples of $1,000 principal amount, only under the following circumstances: (i) during any fiscal quarter commencing after the fiscal quarter ending on July 2, 2021 (and only during such fiscal quarter), if the last reported sale price of our common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on the last trading day of the immediately preceding fiscal quarter is greater than or equal to 130% of the conversion price for the notes on each applicable trading day; (ii) during the 5 business day period after any 5 consecutive trading day period (the “Measurement Period”) in which the “trading price” (as defined in the Indenture) per $1,000 principal amount of the notes for each trading day of the Measurement Period was less than 98% of the product of the last reported sale price of our common stock and the conversion rate for the notes on each such trading day; (iii) if we call such notes for redemption, at any time prior to the close of business on the second scheduled trading day immediately preceding the applicable redemption date; or (iv) upon the occurrence of specified corporate events described in the Indenture. On or after December 15, 2025 until the close of business on the second scheduled trading day immediately preceding the maturity date, holders may convert their notes in multiples of $1,000 principal amount, regardless of the foregoing circumstances.
The initial conversion rate for the 2026 Convertible Notes is 12.1767 shares of common stock per $1,000 principal amount of the notes, equivalent to an initial conversion price of approximately $82.12 per share of common stock. The conversion rate will be subject to adjustment upon the occurrence of certain specified events in the Indenture.
Upon conversion of the 2026 Convertible Notes, we will pay or deliver, as the case may be, cash, shares of our common stock or a combination of cash and shares of our common stock, at our election (subject to, and in accordance with, the settlement provisions of the Indenture). We may not redeem the notes prior to March 20, 2024. We may redeem for cash all or any portion of the notes, at our option, on or after March 20, 2024 if the last reported sale price per share of our common stock has been at least 130% of the conversion price then in effect for at least 20 trading days (whether or not consecutive), including the trading day immediately preceding the date on which we provide notice of redemption, during any 30 consecutive trading day period ending on, and including, the trading day immediately preceding the date on which we provide notice of redemption,
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at a redemption price equal to 100% of the principal amount of the notes to be redeemed, plus accrued and unpaid interest, to, but not including, the redemption date.
The Indenture does not contain any financial or operating covenants or restrictions on the payments of dividends, the making of investments, the incurrence of indebtedness or the purchase or prepayment of securities by us or any of our subsidiaries.
The proceeds from the issuance of the 2026 Convertible Notes have been allocated between the conversion feature recorded as equity and the liability for the notes themselves. The carrying amount of the liability component was calculated by measuring the fair value of a similar debt instrument that does not have an associated convertible feature. The carrying amount of the equity component representing the conversion option was determined by deducting the fair value of the liability component from the par value of the 2026 Convertible Notes. The difference of $71.8 million between the principal amount of the 2026 Convertible Notes and the liability component (the “Debt Discount”) is amortized to interest expense using the effective interest method over the term of the 2026 Convertible Notes. The equity component of the 2026 Convertible Notes is included in additional paid-in capital in the consolidated balance sheet and is not remeasured as long as it continues to meet the conditions for equity classification.
In accounting for the transaction costs related to the 2026 Convertible Notes, we allocated the total amount incurred of approximately $5.1 million to the liability and equity components of the 2026 Convertible Notes based on the proportion of the proceeds allocated to the debt and equity components. Issuance costs attributable to the liability component were approximately $4.2 million, were recorded as an additional Debt Discount and are amortized to interest expense over the contractual terms of the 2026 Convertible Notes. Issuance costs attributable to the equity component were approximately $0.9 million and recorded as a reduction of additional paid in capital in stockholders’ equity.
For the three and six months ended April 2, 2021, accretion of the Debt Discount included in interest expense was $0.3 million and total interest expense for the 2026 Convertible Notes was $0.3 million.
The fair value of our 2026 Convertible Notes, including the conversion feature, was $400.0 million as of April 2, 2021 and was determined based on quoted prices in markets that are not active, which is considered a Level 2 valuation input.
There are 0 future minimum principal payments under the notes as of April 2, 2021; the full amount of $400.0 million is due in fiscal 2026.
For additional information regarding our debt, specifically the April 6, 2021 issuance of an additional $50 million aggregate principal amount of our 2026 Convertible Notes, refer to Note 18 - Subsequent Events.
9. STOCKHOLDERS' EQUITY
We have authorized 10 million shares of $0.001 par value preferred stock and 300 million shares of $0.001 par value common stock as of April 2, 2021.
Common Stock Warrants—In March 2012, we issued warrants to purchase 1,281,358 shares of common stock for $14.05 per share. During the fiscal quarter ended January 1, 2021, Summit Partners Private Equity Fund VII-A, L.P., Summit Partners Private Equity Fund VII-B, L.P., Summit Investors I, LLC, Summit Investors I (UK), L.P. and Mainsail Partners II, L.P. made cashless exercises of warrants for 1,281,358 shares at an exercise price of $14.05 per share, resulting in the issuance of 857,631 shares of common stock. We received no proceeds from the exercise of warrants.
During the six months ended April 2, 2021 and the three and six months ended April 3, 2020, we recorded the changes in the estimated fair value of the warrants in the accompanying statements of operations. See Note 4 - Fair Value for additional information related to the fair value of our warrant liability. See Note 10 - Earnings (Loss) Per Share for impact of the common stock warrants on loss per share.
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10. EARNINGS (LOSS) PER SHARE
The following table sets forth the computation for basic and diluted net income (loss) per share of common stock (in thousands, except per share data):
Three Months EndedSix Months Ended
April 2, 2021April 3, 2020April 2, 2021April 3, 2020
Numerator:
Net income (loss)$14,807 $(10,226)$5,839 $(38,588)
Warrant liability gain(8,647)(4,560)
Net income (loss) attributable to common stockholders$14,807 $(18,873)$5,839 $(43,148)
Denominator:
Weighted average common shares outstanding-basic68,504 66,522 68,130 66,375 
Dilutive effect of stock options, restricted stock, restricted stock units and warrants2,042 563 1,853 546 
Weighted average common shares outstanding-diluted70,546 67,085 69,983 66,921 
Net loss to common stockholders per share-Basic:$0.22 $(0.15)$0.09 $(0.58)
Net loss to common stockholders per share-Diluted:$0.21 $(0.28)$0.08 $(0.64)
During the three and six months ended April 3, 2020, we had warrants outstanding which were measured at fair value. When calculating earnings per share, we are required to adjust for the dilutive effect of outstanding common stock equivalents, including adjustment to the numerator for the dilutive effect of contracts that must be settled in stock, including warrants. During the three and six months ended April 3, 2020, we adjusted the numerator by the warrant gains of $8.6 million and $4.6 million, respectively, and the denominator by the incremental shares of 562,567 and 545,578, respectively. The table above excludes the effects of 174,989 shares for the six months ended April 2, 2021, and 1,009,830 shares and 886,671 shares for the three and six months ended April 3, 2020, respectively, of potential shares of common stock issuable upon exercise of stock options, warrants, and the vesting of restricted stock and restricted stock units, as applicable, as the inclusion would be antidilutive. The 2026 Convertible Notes do not have an impact on diluted EPS for the three and six months ended April 2, 2021.
11. COMMITMENTS AND CONTINGENCIES
From time to time, we may be subject to commercial disputes, employment issues, claims by other companies in the industry that we have infringed their intellectual property rights and other similar claims and litigation. Any such claims may lead to future litigation and material damages and defense costs. We were not involved in any material pending legal proceedings during the fiscal quarter ended April 2, 2021.
12. RESTRUCTURINGS
We have periodically implemented restructuring actions in connection with broader plans to reduce staffing, reduce our internal manufacturing footprint and generally reduce operating costs. The restructuring expenses are primarily comprised of direct and incremental costs related to headcount reductions including severance and outplacement fees for the terminated employees, as well as facility closure costs.
There were no restructuring charges incurred during the three and six months ended April 2, 2021. The following is a summary of the restructuring charges incurred during the three and six months ended April 3, 2020 (in thousands):
Three Months EndedSix Months Ended
April 3,
2020
April 3,
2020
Employee related expenses and adjustments$390 $1,549 
Facility related expenses425 500 
Total restructuring charges$815 $2,049 
2019 Plan
During the fiscal quarter ended June 28, 2019, we committed to a plan designed to strategically realign, streamline and improve certain of our business and operations, including reducing our workforce by approximately 250 employees, exiting 6 development facilities in France, Japan, the Netherlands, Florida, Massachusetts and Rhode Island, reducing certain
16


development activities for one of our product lines and no longer investing in the design and development of optical modules and subsystems for Data Center applications (the “2019 Plan”). We incurred restructuring charges in the three and six months ended April 3, 2020 under the 2019 Plan, as shown above. This action was completed during fiscal 2020 and we do not expect to incur further costs. The remaining charges will be paid during fiscal 2021.
Details of the 2019 Plan accrual activity for the six months ended April 2, 2021 are as follows (in thousands):
Employee-Related Expense (1)
Facility-Related Expense (2)
Total
Balance as of October 2, 2020$235 $26 $261 
       Charges and adjustments
       Charges paid/settled/other(26)(26)
Balance as of April 2, 2021$235 $$235 
(1) Primarily includes severance charges associated with the reduction of our workforce in certain facilities.
(2) Primarily includes activities associated with the closure of certain facilities, including any associated asset impairments and contract termination costs.
13. SHARE-BASED COMPENSATION
Stock Plans
As of April 2, 2021, we had 6.0 million shares available for issuance under our 2021 Omnibus Incentive Plan (the “2021 Plan”), which replaced our 2012 Omnibus Incentive Plan (as amended and restated) (the “2012 Plan”), and 1.5 million shares available for issuance under our 2021 Employee Stock Purchase Plan (the “Employee Stock Purchase Plan”), which replaced our 2012 Employee Stock Purchase Plan. Under the 2021 Plan, we have the ability to issue incentive stock options (“ISOs”), non-statutory stock options (“NSOs”), stock appreciation rights ("SARs"), restricted stock awards (“RSAs”), unrestricted stock awards, stock units (including restricted stock units (“RSUs”) and performance-based restricted stock units (“PRSUs”)), performance awards, cash awards, and other share-based awards to employees, directors, consultants and advisors. The ISOs and NSOs must be granted at an exercise price, and the SARs must be granted at a base value, per share of not less than 100% of the closing price of a share of our common stock on the date of grant (or, if no closing price is reported on that date, the closing price on the immediately preceding date on which a closing price was reported) (110% in the case of certain ISOs). We have outstanding awards under the 2021 Plan, as well as the 2012 Plan. Following the adoption of the 2021 Plan, no additional awards have been or will be made under the 2012 Plan. Options granted under the 2012 Plan primarily vest based on certain market-based and performance-based criteria. Options granted generally have a term of four years to seven years. Certain of the share-based awards granted and outstanding as of April 2, 2021 are subject to accelerated vesting upon a change in control of the Company.
Share-Based Compensation
The following table shows a summary of share-based compensation expense included in the condensed consolidated statements of operations (in thousands):
 Three Months EndedSix Months Ended
 April 2,
2021
April 3,
2020
April 2,
2021
April 3,
2020
Cost of revenue$833 $995 $1,705 $1,957 
Research and development3,431 4,111 6,985 7,018 
Selling, general and administrative4,305 5,170 10,010 9,451 
Total share-based compensation expense$8,569 $10,276 $18,700 $18,426 
As of April 2, 2021, the total unrecognized compensation costs related to RSAs, RSUs and PRSUs was $53.7 million, which we expect to recognize over a weighted-average period of 2.3 years. As of April 2, 2021, total unrecognized compensation cost related to our 2012 Employee Stock Purchase Plan was $0.2 million.

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Stock Options
A summary of stock option activity for the six months ended April 2, 2021 is as follows (in thousands, except per share amounts and contractual term):
Number of SharesWeighted-Average Exercise Price per ShareWeighted-Average Remaining Contractual Term (in Years)Aggregate Intrinsic Value
Options outstanding as of October 2, 2020325 $15.12 
Exercised(50)16.35 
Forfeited, canceled or expired
Options outstanding as of April 2, 2021275 $14.90 6.89$12,007 
Options vested and exercisable as of April 2, 2021275 14.90 6.8912,007 
Aggregate intrinsic value represents the difference between our closing stock price on April 2, 2021 and the exercise price of outstanding, in-the-money options. The total intrinsic value of options exercised was $1.8 million and $2.1 million for the three and six months ended April 2, 2021, respectively, and was $0.3 million for the three and six months ended April 3, 2020.

Restricted Stock, Restricted Stock Units and Performance-Based Restricted Stock Unit Awards
A summary of stock award activity for the six months ended April 2, 2021 is as follows:
Number of shares
(in thousands)
Weighted-
Average
Grant Date Fair Value
 Balance as of October 2, 20202,788 $20.84 
Granted932 30.24 
Vested and released(1,222)21.46 
Forfeited, canceled or expired(93)25.26 
Balance as of April 2, 20212,405 $23.99 
Stock awards that vested during the six months ended April 2, 2021 and April 3, 2020 had combined fair values of $60.8 million and $16.7 million, respectively, as of the vesting date. RSUs granted generally vest over a period of three or four years.
14. INCOME TAXES
We are subject to income tax in the U.S. as well as other tax jurisdictions in which we conduct business. Earnings from non-U.S. activities are subject to local country income tax and may also be subject to current U.S. income tax. For interim periods, we record a tax provision or benefit based upon the estimated effective tax rate expected for the full fiscal year, adjusted for material discrete taxation matters arising during the interim periods. Our quarterly tax provision or benefit, and its quarterly estimate of the annual effective tax rate, are subject to significant variation due to several factors. These factors include variability in accurately predicting pre-tax income/loss, the mix of jurisdictions in which we operate, intercompany transactions, changes in how we do business, tax law developments, and relative changes in permanent tax benefits or expenses.
The provision for income taxes and effective income tax rate are as follows (in thousands, except percentages):
Three Months EndedSix Months Ended
April 2,
2021
April 3,
2020
April 2,
2021
April 3,
2020
Income tax expense$2,193 $1,580 $2,867 $2,966 
Effective income tax rate12.9 %(18.3)%32.9 %(8.3)%
The difference between the U.S. federal statutory income tax rate of 21% and our effective income tax rates for the three and six months ended April 2, 2021 and April 3, 2020 was primarily driven by the continuation of a full valuation allowance against any benefit associated with losses in the U.S. and income taxed in foreign jurisdictions generally at lower tax rates and where a valuation allowance does not apply.
We recognize deferred tax assets to the extent that we believe that these assets are more likely than not to be realized. In making this determination, we consider available positive and negative evidence. We look at factors that may impact the valuation of our deferred tax asset including results of recent operations, future reversals of existing taxable temporary differences, projected future taxable income, and tax-planning strategies. We have determined that there was not sufficient
18


objectively verifiable positive evidence to offset our significant negative objective evidence, therefore, we concluded that a full valuation allowance is appropriate for our U.S. deferred tax assets. Our negative objective evidence consists primarily of adjusted cumulative losses in the U.S. over the three-year period ended April 2, 2021.
Our deferred income tax asset balance as of April 2, 2021 and October 2, 2020 is primarily attributable to an initial $39.8 million deferred asset generated from an intra-entity transfer of a license for intellectual property during the fiscal quarter ended September 27, 2019. We expect this deferred tax asset to amortize over the life of the intellectual property.
The balance of the unrecognized tax benefits was $0.3 million as of April 2, 2021 and October 2, 2020. It is our policy to recognize any interest and penalties accrued related to unrecognized tax benefits in income tax expense. During the fiscal quarter ended April 2, 2021, we did not make any accrual or payment of interest or penalties, nor did we make any payment, because we believe our $0.3 million accrual would cover any additional amounts due.
15. SUPPLEMENTAL CASH FLOW INFORMATION
The following is a summary of supplemental cash flow information for the periods presented (in thousands):
Six Months Ended
April 2,
2021
April 3,
2020
Cash paid for interest$8,863 $14,830 
Cash paid for income taxes$715 $920 
Non-cash activities:
Operating lease right-of-use assets obtained in exchange for new lease liabilities$2,923 $157 
Financing lease assets obtained in exchange for new lease liabilities$$586 
Non-cash capital expenditures$1,538 $609 
During the six months ended April 2, 2021, we capitalized $1.3 million of non-cash costs to property and equipment associated with construction of a power generator that are paid by our service provider. For accounting purposes, we control the underlying assets during construction. This is included in Non-cash capital expenditures above.
16. GEOGRAPHIC AND SIGNIFICANT CUSTOMER INFORMATION
We have 1 reportable operating segment that designs, develops, manufactures and markets semiconductors and modules. The determination of the number of reportable operating segments is based on the chief operating decision maker’s use of financial information for the purposes of assessing performance and making operating decisions. In evaluating financial performance and making operating decisions, the chief operating decision maker primarily uses consolidated metrics. We evaluate this assessment on an ongoing basis as facts and circumstances change and as of April 2, 2021 there were no changes to our conclusion.
For information about our revenue in different geographic regions, based upon customer locations, see Note 2 - Revenue. Information about net property and equipment in different geographic regions is presented below (in thousands):
April 2,
2021
October 2,
2020
United States$96,714 $99,118 
Europe (1)
12,814 13,129 
Other Countries (2)
4,725 6,619 
Total$114,253 $118,866 
(1)Europe primarily represents Finland, France, Germany, Ireland and Italy.
(2)Other than the United States and Europe, no country or region represented greater than 10% of the total net property and equipment as of the dates presented.
The following is a summary of customer concentrations as a percentage of revenue and accounts receivable as of and for the periods presented:
 Three Months EndedSix Months Ended
RevenueApril 2,
2021
April 3,
2020
April 2,
2021
April 3,
2020
Customer A13 %15 %13%15 %
Customer B11 %010 %
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Accounts ReceivableApril 2,
2021
October 2,
2020
Customer A17 %20 %
Customer B did not represent more than 10% of our revenue in the three and six months ended April 2, 2021. No other customer represented more than 10% of revenue or accounts receivable in the periods presented in the accompanying condensed consolidated financial statements. For the three and six months ended April 2, 2021 our top ten customers represented 52% and 53%, respectively, of total revenue, and for the three and six months ended April 3, 2020, our top ten customers represented 58% and 59%, respectively, of total revenue.

17. RELATED-PARTY TRANSACTIONS
During the six months ended April 3, 2020, we sold $0.2 million of commercial products to Mission Microwave Technologies, LLC (“Mission”), a MACOM customer and an affiliate of directors John and Susan Ocampo. Together, Mr. and Mrs. Ocampo are MACOM's largest stockholders. Stephen G. Daly, MACOM's President and Chief Executive Officer, has an equity interest of less than 1% in Mission.
18. SUBSEQUENT EVENTS
On April 6, 2021, we issued an additional $50.0 million aggregate principal amount of our 2026 Convertible Notes (the “Additional Notes”) out of the total $60.0 million that was allotted in the agreement. The Additional Notes were issued and sold to the initial purchaser of the 2026 Convertible Notes, pursuant to the option to purchase the Additional Notes granted by the Company to the initial purchaser. The Additional Notes were exercised by the initial purchaser on April 1, 2021 and have the same terms as the 2026 Convertible Notes. Total proceeds were $49.4 million at issuance, and on April 8, 2021, we used $49.3 million of the proceeds to pay down our Term Loans to a remaining principal balance of $120.8 million. No additional 2026 Convertible Notes will be issued and the aggregate principal balance will be $450 million. For additional information regarding our debt, refer to Note 8 - Debt.

ITEM 2.         MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
The following discussion of our financial condition and results of operations should be read in conjunction with the condensed consolidated financial statements and the notes thereto included elsewhere in this Quarterly Report on Form 10-Q and our Annual Report on Form 10-K for the fiscal year ended October 2, 2020 filed with the United States Securities and Exchange Commission (“SEC”) on November 18, 2020 (the “2020 Annual Report on Form 10-K”).
In this document, the words “Company,” “we,” “our,” “us,” and similar terms refer only to MACOM Technology Solutions Holdings, Inc. and its consolidated subsidiaries, and not any other person or entity.
“MACOM,” “M/A-COM,” “M/A-COM Technology Solutions,” “M/A-COM Tech,” “Partners in RF & Microwave” and related logos are trademarks of MACOM Technology Solutions Holdings, Inc. All other brands and names listed are trademarks of their respective owners.
Cautionary Note Regarding Forward-Looking Statements
This Item 2, “Management's Discussion and Analysis of Financial Condition and Results of Operations” and other sections of this Quarterly Report on Form 10-Q contain “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. In addition, we may make other written and oral communications from time to time that contain such statements. Forward-looking statements include statements as to our strategic plans and priorities, anticipated drivers of future revenue growth, industry trends, the potential impacts of COVID-19 on our future operations and results, our plans for use of our cash and cash equivalents, short-term investments and revolving credit facility, our ability to meet working capital requirements and other matters that do not relate strictly to historical facts. These statements are often identified by the use of words such as “anticipates,” “believes,” “could,” “continue,” “estimates,” “expects,” “intends,” “may,” “plans,” “potential,” “predicts,” “projects,” “seeks,” “should,” “targets,” “will,” “would” and similar expressions or variations. These statements are based on management's beliefs and assumptions as of the date of this Quarterly Report on Form 10-Q, based on information currently available to us. Such forward-looking statements are subject to risks, uncertainties and other factors that could cause actual results to differ materially from future results expressed or implied by such forward-looking statements. Important factors that could cause actual results to differ materially from the forward-looking statements include, among others, the risks described in the section entitled “Risk Factors” in this Quarterly Report on Form 10-Q and the 2020 Annual Report on Form 10-K. We caution the reader to carefully consider such factors. Furthermore, such forward-looking statements speak only as of the date of this Quarterly Report on Form 10-Q. Except as required by law, we undertake no obligation to update any forward-looking statements to reflect events or circumstances after the date of such statements.
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Overview
We design and manufacture semiconductor products for Telecommunications (“Telecom”), Industrial and Defense (“I&D”) and Data Center applications. Headquartered in Lowell, Massachusetts, with operational facilities throughout North America, Europe and Asia, we design, develop and manufacture differentiated semiconductor products for customers who demand high performance, quality and reliability. We have more than 70 years of application expertise, combined with proficiencies in analog and mixed signal circuit design, compound semiconductor fabrication (including gallium arsenide, indium phosphide and specialized silicon), and back-end assembly and test. We offer a broad portfolio of thousands of standard and custom devices, which include integrated circuits (“IC”), multi-chip modules (“MCM”), diodes, amplifiers, switches and switch limiters, passive and active components and complete subsystems, across dozens of product lines serving over 6,000 end customers in three primary markets. Our semiconductor products are electronic components that our customers incorporate into larger electronic systems, such as wireless communication systems including basestations, high capacity optical networks, radar, medical systems and test and measurement applications. Our primary markets are: (1) Telecom, which includes carrier infrastructure such as long-haul/metro, 5G and Fiber-to-the-X (“FTTx”)/passive optical network (“PON”), among others; (2) I&D, which includes military and commercial radar, radio frequency (“RF”) jammers, electronic countermeasures, communication data links, satellite communications and multi-market applications, which include industrial, medical, test and measurement and scientific applications; and (3) Data Center, which includes intra-Data Center, Data Center Interconnect (“DCI”) applications, at 100G, 200G, 400G and higher speeds, enabled by our broad portfolio of analog ICs and photonic components for high speed optical module customers.
COVID-19 Impact
COVID-19 has spread throughout areas of the world where we operate and resulted in authorities implementing numerous measures to try to contain the virus. As a result of these measures and the spread of COVID-19, we have modified our business practices and may further modify our practices as required, or as we determine appropriate. While these measures, as well as other disruptions, have impacted our operations, the operations of our customers and those of our respective vendors and suppliers, such impacts did not have a material impact on our consolidated operating results for the periods presented.
Given the significant continued economic uncertainty and volatility created by the pandemic, it is difficult to predict the nature and extent of impacts on the demand for our products. The continued spread of COVID-19 could cause a further economic slowdown or recession and could result in adverse impacts to our overall business, such as increased credit and collectability risks, adverse impacts on our suppliers, asset impairments, declines in the value of our financial instruments and adverse impacts on our capital resources. The degree to which the COVID-19 pandemic impacts our future business, financial condition, results of operations, liquidity and cash flows will depend on future developments, which are highly uncertain and cannot be accurately predicted, including the duration and spread of the outbreak, its severity, actions taken to contain the virus or treat its impact, how quickly and to what extent normal operating conditions can resume, and the economic impact on local, regional, national and international markets.
For additional information on risk factors that could impact our future results, please refer to the section entitled “Risk Factors” in this Quarterly Report on Form 10-Q and the 2020 Annual Report on Form 10-K.
Description of Our Revenue
Revenue. Our revenue is derived from sales of high-performance RF, microwave, millimeter wave, optical and photonic semiconductor products. We design, integrate, manufacture and package differentiated semiconductor products that we sell to customers through our direct sales organization, our network of independent sales representatives and our distributors.
Our core strategy is to develop and innovate high-performance products that address our customers’ most difficult technical challenges in our primary markets: Telecom, I&D and Data Center.
We believe the primary drivers of our future revenue growth will include:
continued growth in the demand for high-performance analog, digital and optical semiconductors in our three primary markets;
introducing new products using advanced technologies, added features, higher levels of integration and improved performance;
increasing content of our semiconductor solutions in customers’ systems through cross-selling our product lines;
leveraging our core strength and leadership position in standard, catalog products that service all of our end applications; and
engaging early with our lead customers to develop custom and standard products.
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We expect our revenue in the Telecom market to be driven by 5G deployments, with continued upgrades and expansion of communications equipment, and increasing adoption of our high-performance RF, millimeter wave, optical and photonic components.
We expect our revenue in the I&D market to be driven by the expanding product portfolio that we offer which services applications such as test and measurement, satellite communications, civil and military radar, industrial, scientific and medical applications, further supported by growth in applications for our multi-market catalog products.
We expect our revenue in the Data Center market to be driven by the adoption of cloud-based services and the upgrade of data center architectures to 100G, 200G, 400G and 800G interconnects, which we expect will drive adoption of higher speed optical and photonic components.
Critical Accounting Policies and Estimates
Our discussion and analysis of our financial condition and results of operations are based on our condensed consolidated financial statements. The preparation of financial statements, in conformity with U.S. GAAP, requires management to make estimates and judgments that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. By their nature, these estimates and judgments are subject to an inherent degree of uncertainty and could be material if our actual or expected experience were to change unexpectedly. On an ongoing basis, we re-evaluate our estimates and judgments.
Due to the COVID-19 pandemic, there has been uncertainty and disruption in the global economy and financial markets. We are not aware of any specific event or circumstance that would require updates to our estimates or judgments or require us to revise the carrying value of our assets or liabilities as of the date of filing of this Quarterly Report on Form 10-Q with the SEC. These estimates may change as new events occur and additional information is obtained. Actual results could differ materially from these estimates under different assumptions or conditions.
We base our estimates and judgments on our historical experience and on other assumptions that we believe are reasonable under the circumstances, the results of which form the basis for making the judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results could differ from those estimates and material effects on our operating results and financial position may result. The accounting policies which our management believes involve the most significant application of judgment or involve complex estimation, are inventories and associated reserves; goodwill and long-lived asset valuations and associated impairment assessments; fair value of convertible debt; revenue reserves; share-based compensation valuations and income taxes.
Significant management judgment is required in our valuation of long-lived asset groups when assessing for potential impairment. These analyses are based on the creation of forecasts of future operating results that are used in the valuation, including estimation of (i) future cash flows, (ii) the long-term rate of growth for our business, (iii) the useful life over which cash flows will occur, (iv) terminal values, if applicable, and (v) the determination of our weighted average cost of capital, which is used to determine the discount rate. It is possible that these forecasts may change and our projections included in our forecasts of future results may prove to be inaccurate. If our actual results, or the forecasts and estimates used in future impairment analyses, are lower than the original estimates used to assess the recoverability of these assets, we could incur impairment charges. Our forecasts and the value of our long-lived asset groups could be adversely affected by, but not limited to, a change in strategy, the outcome of development activities, a significant slowdown in our primary markets, the semiconductor industry or worldwide economy, or a decline in the valuation of technology company stocks, including the valuation of our common stock.
For additional information related to these and other accounting policies refer to Note 2 - Summary of Significant Accounting Policies to our Consolidated Financial Statements included in Item 8 of Part II, “Financial Statements and Supplementary Data,” of the 2020 Annual Report on Form 10-K and Note 1 - Basis of Presentation and Summary of Significant Accounting Policies to our Condensed Consolidated Financial Statements in this Quarterly Report on Form 10-Q.
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Results of Operations
The following table sets forth, for the periods indicated, our statements of operations data (in thousands):
 Three Months EndedSix Months Ended
 April 2,
2021
April 3,
2020
April 2,
2021
April 3,
2020
Revenue$150,583 $126,424 $299,087 $245,521 
Cost of revenue (1)
66,470 63,054 134,713 123,947 
Gross profit84,113 63,370 164,374 121,574 
Operating expenses:
Research and development (1)
34,619 35,830 71,555 70,988 
Selling, general and administrative (1)
30,522 31,994 61,774 64,334 
Restructuring charges (2)
— 815 — 2,049 
Total operating expenses65,141 68,639 133,329 137,371 
Income (loss) from operations18,972 (5,269)31,045 (15,797)
Other expense:
Warrant liability expense (3)
— 8,647 (11,130)4,560 
Interest expense(4,851)(7,672)(9,585)(16,293)
Other expense, net (4)
2,879 (4,352)(1,624)(8,092)
Total other expense, net(1,972)(3,377)(22,339)(19,825)
Income (loss) before income taxes17,000 (8,646)8,706 (35,622)
Income tax expense2,193 1,580 2,867 2,966 
Net income (loss)$14,807 $(10,226)$5,839 $(38,588)
(1)     Includes (a) Amortization expense related to intangible assets arising from acquisitions and (b) Share-based compensation expense included in our condensed consolidated statements of operations as set forth below (in thousands):
 Three Months EndedSix Months Ended
 April 2,
2021
April 3,
2020
April 2,
2021
April 3,
2020
(a) Intangible amortization expense:
Cost of revenue$3,806 $4,347 $7,683 $8,767 
Selling, general and administrative7,601 8,072 15,717 16,726 
(b) Share-based compensation expense:
Cost of revenue$833 $995 $1,705 $1,957 
Research and development3,431 4,111 6,985 7,018 
Selling, general and administrative4,305 5,170 10,010 9,451 
(2) See Note 12 - Restructurings to our Condensed Consolidated Financial Statements in this Quarterly Report on Form 10-Q.
(3) Represents changes in the fair value of common stock warrants recorded as liabilities and adjusted each reporting period to fair value. See Note 9 - Stockholders’ Equity to our Condensed Consolidated Financial Statements in this Quarterly Report on Form 10-Q for additional information.
(4) Includes income of $6.5 million and $1.7 million for the three and six months ended April 2, 2021, respectively, and losses of $5.3 million and $9.1 million for the three and six months ended April 3, 2020, respectively, associated with our equity method investment. See Note 3 - Investments to our Condensed Consolidated Financial Statements in this Quarterly Report on Form 10-Q for additional information. The three and six months ended April 2, 2021 includes a loss on extinguishment of debt of $3.8 million, see Note 8 - Debt to our Condensed Consolidated Financial Statements in this Quarterly Report on Form 10-Q for additional information.
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The following table sets forth, for the periods indicated, our statements of operations data expressed as a percentage of our revenue: 
 Three Months EndedSix Months Ended
 April 2,
2021
April 3,
2020
April 2,
2021
April 3,
2020
Revenue100.0 %100.0 %100.0 %100.0 %
Cost of revenue44.1 49.9 45.0 50.5 
Gross profit55.9 50.1 55.0 49.5 
Operating expenses:
Research and development23.0 28.3 23.9 28.9 
Selling, general and administrative20.3 25.3 20.7 26.2 
Restructuring charges— 0.6 — 0.8 
Total operating expenses43.3 54.3 44.6 56.0 
Income (loss) from operations12.6 (4.2)10.4 (6.4)
Other expense:
Warrant liability gain (expense)— 6.8 (3.7)1.9 
Interest expense(3.2)(6.1)(3.2)(6.6)
Other income (expense), net1.9 (3.4)(0.5)(3.3)
Total other expense, net(1.3)(2.7)(7.5)(8.1)
Income (loss) before income taxes11.3 (6.8)2.9 (14.5)
Income tax expense1.5 1.2 1.0 1.2 
Net income (loss)9.8 %(8.1)%2.0 %(15.7)%
Comparison of the Three and Six Months Ended April 2, 2021 to the Three and Six Months Ended April 3, 2020
Revenue. Our revenue increased by $24.2 million, or 19.1%, to $150.6 million for the three months ended April 2, 2021, from $126.4 million for the three months ended April 3, 2020, and our revenue increased by $53.6 million, or 21.8%, to $299.1 million for the six months ended April 2, 2021, from $245.5 million for the six months ended April 3, 2020. The increase in revenue in the three and six months ended April 2, 2021 is described by end market in the following paragraphs.
Revenue from our primary markets, the percentage of change between the periods presented, and revenue by primary markets expressed as a percentage of total revenue in the periods presented were (in thousands, except percentages):
 Three Months Ended Six Months Ended 
 April 2,
2021
April 3,
2020
%
Change
April 2,
2021
April 3,
2020
%
Change
Telecom$42,273$51,648(18.2)%$93,805$97,249(3.5)%
Industrial & Defense72,09048,06950.0 %133,70898,55235.7 %
Data Center36,22026,70735.6 %71,57449,72044.0 %
Total$150,583$126,42419.1 %$299,087$245,52121.8 %
Telecom28.1 %40.9 %31.4 %39.6 %
Industrial & Defense47.9 %38.0 %44.7 %40.1 %
Data Center24.0 %21.1 %23.9 %20.3 %
Total100.0 %100.0 %100.0 %100.0 %
In the three months ended April 2, 2021, our Telecom market revenue decreased by $9.4 million, or 18.2%, compared to the three months ended April 3, 2020. In the six months ended April 2, 2021, our Telecom market revenue decreased by $3.4 million, or 3.5%, compared to the six months ended April 3, 2020. The decrease for the three and six months ended April 2, 2021 was primarily driven by a decrease in carrier-based optical semiconductor products, including those targeted for 5G applications, offset by increased sales of legacy products, products targeting fiber to the home and licensing revenue.
In the three months ended April 2, 2021, our I&D market revenue increased by $24.0 million, or 50.0%, compared to the three months ended April 3, 2020. Our I&D market revenue increased by $35.2 million, or 35.7%, compared to the six months
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ended April 3, 2020. The increase in the three and six months ended April 2, 2021 was primarily related to new program wins and expansion of our RF and microwave product lines.
In the three months ended April 2, 2021, our Data Center market revenue increased by $9.5 million, or 35.6%, compared to the three months ended April 3, 2020. In the six months ended April 2, 2021, our Data Center market revenue increased by $21.9 million, or 44.0%, compared to the six months ended April 3, 2020. The increase in revenue for the three and six months ended April 2, 2021 was primarily due to increased sales of our high-performance analog Data Center products.
Gross profit. Gross margin was 55.9% and 50.1% for the three months ended April 2, 2021 and April 3, 2020, respectively, and 55.0% and 49.5% for the six months ended April 2, 2021 and April 3, 2020, respectively. Gross profit was $84.1 million and $63.4 million for the three months ended April 2, 2021 and April 3, 2020, respectively, and $164.4 million and $121.6 million for the six months ended April 2, 2021 and April 3, 2020, respectively. Gross profit increased for the three and six months ended April 2, 2021 as compared to the three and six months ended April 3, 2020 primarily as a result of increased sales, favorable product mix, production efficiencies and the recognition of licensing revenue during fiscal year 2021.
Research and development. Research and development expense decreased by $1.2 million, or 3.4%, to $34.6 million, or 23.0% of our revenue, for the three months ended April 2, 2021, compared with $35.8 million, or 28.3% of our revenue, for the three months ended April 3, 2020. Research and development expense increased by $0.6 million, or 0.8%, to $71.6 million, or 23.9% of our revenue, for the six months ended April 2, 2021, compared with $71.0 million, or 28.9% of our revenue, for the six months ended April 3, 2020. Research and development expense decreased in the three months ended April 2, 2021 primarily as a result of lower share-based compensation and depreciation expense, decreased spending on software, partially offset by higher payroll-related costs and other R&D services.
Selling, general and administrative. Selling, general and administrative expense decreased by $1.5 million, or 4.6%, to $30.5 million, or 20.3% of our revenue, for the three months ended April 2, 2021, compared with $32.0 million, or 25.3% of our revenue, for the three months ended April 3, 2020. Selling, general and administrative expense decreased by $2.6 million, or 4.0%, to $61.8 million, or 20.7% of our revenue, for the six months ended April 2, 2021, compared with $64.3 million, or 26.2% of our revenue, for the six months ended April 3, 2020. Selling, general and administrative expense decreased in the three and six months ended April 2, 2021 primarily due to lower payroll-related costs, professional service fees, depreciation, amortization, and other discretionary spending, offset by an increase in share-based compensation expense.
Restructuring charges. There were no restructuring charges incurred during the three and six months ended April 2, 2021 as compared to $0.8 million and $2.0 million for the three and six months ended April 3, 2020, respectively. All restructuring actions were completed as of October 2, 2020. For additional information refer to Note 12 - Restructurings to our Condensed Consolidated Financial Statements in this Quarterly Report on Form 10-Q.
Warrant liability expense. There was no warrant liability expense for the three months ended April 2, 2021, compared to a gain of $8.6 million for the three months ended April 3, 2020. Warrant liability expense was $11.1 million for the six months ended April 2, 2021, compared to a gain of $4.6 million for the six months ended April 3, 2020. The difference between periods was driven by a change in the estimated fair value of common stock warrants, primarily driven by the increase in the underlying price of our common stock, which was recorded as a liability at fair value. During November 2020, all of the warrants were exercised and 857,631 shares of common stock were issued. As of April 2, 2021, there are no remaining common stock warrants outstanding. For additional information refer to Note 9 - Stockholders' Equity to our Condensed Consolidated Financial Statements in this Quarterly Report on Form 10-Q.
Provision for income taxes. Our income tax expense and effective income tax rates for the periods indicated were (in thousands, except percentages):
Three Months EndedSix Months Ended
April 2,
2021
April 3,
2020
April 2,
2021
April 3,
2020
Income tax expense2,193 1,580 2,867 2,966 
Effective income tax rate12.9 %(18.3)%32.9 %(8.3)%
Our estimated annual effective tax rate for the year ended October 1, 2021 is expected to be comparable to the rate for the three months ended April 2, 2021, adjusted for discrete taxation matters arising during the interim periods.
The difference between the U.S. federal statutory income tax rate of 21% and our effective income tax rate for the three and six months ended April 2, 2021 and the three and six months ended April 3, 2020 was primarily driven by the continuation of a full valuation allowance against any benefit associated with U.S. losses and income taxed in foreign jurisdictions at generally lower tax rates, where we are not in a valuation allowance because it is expected that we will be in a taxable income position. For additional information refer to Note 14 - Income Taxes to our Condensed Consolidated Financial Statements in this Quarterly Report on Form 10-Q.
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Liquidity and Capital Resources
The following table summarizes our cash flow activities (in thousands):
Six Months Ended
April 2, 2021April 3, 2020
Cash and cash equivalents, beginning of period$129,441 $75,519 
Net cash provided by operating activities62,721 62,938 
Net cash provided by (used in) investing activities34,012 (9,048)
Net cash used in financing activities(121,098)(8,210)
Foreign currency effect on cash464 (464)
Cash and cash equivalents, end of period$105,540 $120,735 
Cash Flow from Operating Activities
Our cash flow from operating activities for the six months ended April 2, 2021 of $62.7 million consisted of a net income of $5.8 million, plus cash used in operating assets and liabilities of $13.7 million, plus adjustments to reconcile our net income to cash provided by operating activities of $70.6 million. Adjustments to reconcile our net loss to cash provided by operating activities primarily included depreciation and intangible amortization expense of $35.6 million and share-based compensation expense of $18.7 million, warrant liability expense of $11.1 million and deferred financing cost amortization and write offs of $5.0 million. In addition, cash used in operating assets and liabilities was $13.7 million for the six months ended April 2, 2021, primarily driven by an increase in accounts receivable of $22.4 million, an increase in prepaid and other current assets of $4.0 million, offset by a decrease in inventories of $7.1 million and an increase in accounts payable of $3.8 million.
Our cash flow from operating activities for the six months ended April 3, 2020 of $62.9 million consisted of a net loss of $38.6 million, plus cash provided by operating assets and liabilities of $33.0 million, plus adjustments to reconcile our net loss to cash provided by operating activities of $68.6 million. Adjustments to reconcile our net loss to cash provided by operating activities primarily included depreciation and intangible amortization expense of $40.2 million and share-based compensation expense of $18.4 million, partially offset by a warrant liability gain of $4.6 million and a loss on our equity method investment of $9.1 million. In addition, cash provided by operating assets and liabilities was $33.0 million for the six months ended April 3, 2020, primarily driven by a decrease in accounts receivable of $16.8 million, due to improved revenue linearity throughout the quarter and timing of collections from customers, a decrease in prepaid expenses and other assets of $9.8 million and a decrease in inventories of $8.3 million.
Cash Flow from Investing Activities
Our cash flow provided by investing activities for the six months ended April 2, 2021 consisted primarily of proceeds of $179.4 million for the sale and maturity of short-term investments, offset by purchases of $138.1 million of short-term investments, and capital expenditures of $7.3 million. Proceeds from the sale of short-term investments of $80 million were used to pay down the Term Loans, as discussed below under Cash Flow from Financing Activities.
Our cash flow used in used in investing activities for the six months ended April 3, 2020 consisted primarily of purchases of $90.4 million of short-term investments and capital expenditures of $9.0 million, partially offset by proceeds of $90.0 million related to the sale and maturity of short-term investments.
Cash Flow from Financing Activities
During the six months ended April 2, 2021, our cash used in financing activities of $121.1 million was primarily related to proceeds from the 2026 Convertible Notes, net of issuance costs, of $394.9 million, offset by $496.0 million of payments on the Term Loans and $22.3 million of repurchases of stock associated with employee tax withholdings on vested equity awards. The early prepayment on the Term Loans of $494.3 million was made using $394.3 million of net proceeds from our 2026 Convertible Notes, cash of $20 million and proceeds of $80 million from the sale of short-term investments. See Note 8 - Debt to our Condensed Consolidated Financial Statements in this Quarterly Report on Form 10-Q for additional information.
During the six months ended April 3, 2020, our cash used in financing activities of $8.2 million was primarily related to $5.9 million of repurchases of stock associated with employee tax withholdings on vested equity awards, $3.4 million of payments on notes payable, $0.9 million of payments on financing leases offset by $2.1 million of proceeds from stock option exercises and employee stock purchases.
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Liquidity
As of April 2, 2021, we held $105.5 million of cash and cash equivalents, primarily deposited with financial institutions, as well as $162.6 million of liquid short-term investments. The undistributed earnings of certain foreign subsidiaries are considered indefinitely reinvested for the periods presented and we do not intend to repatriate such earnings. We believe the decision to reinvest these earnings will not have a significant impact on our liquidity. As of April 2, 2021, cash held by our indefinitely reinvested foreign subsidiaries was $23.4 million, which, along with cash generated from foreign operations, is expected to be used in the support of international growth and working capital requirements as well as the repayment of certain intercompany loans. As of April 2, 2021, we had $160.0 million in borrowing capacity under our Revolving Facility, of which we may borrow up to $50.0 million without being subject to certain financial covenants.
We plan to use our remaining available cash and cash equivalents, short-term investments, and, as deemed appropriate, our borrowing capacity under our Revolving Facility for general corporate purposes, including working capital, or for the acquisition of or investment in complementary technologies, design teams, products and businesses. We believe that our cash and cash equivalents, short-term investments, cash generated from operations and borrowing availability under the Revolving Facility will be sufficient to meet our working capital requirements for at least the next twelve months. We may need to raise additional capital from time to time through the issuance and sale of equity or debt securities, and there is no assurance that we will be able do so on favorable terms or at all.
For additional information related to our Liquidity and Capital Resources, see Note 8 - Debt to our Condensed Consolidated Financial Statements in this Quarterly Report on Form 10-Q.
Recent Accounting Pronouncements
See Note 1 - Basis of Presentation and Summary of Significant Accounting Policies to our Condensed Consolidated Financial Statements in this Quarterly Report on Form 10-Q for information about recent accounting pronouncements.
Off-Balance Sheet Arrangements
We did not have any off-balance sheet arrangements as of April 2, 2021.
ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
We are exposed to market risk in the ordinary course of business, which consists primarily of interest rate risk associated with our cash and cash equivalents, short-term investments and our variable rate debt, as well as foreign exchange rate risk.
Interest rate risk. The primary objectives of our investment activity are to preserve principal, provide liquidity and invest excess cash for an average rate of return. To minimize market risk, we maintain our portfolio in cash and diversified investments, which may consist of corporate bonds, bank deposits, money market funds and commercial paper. The interest rates are variable and fluctuate with current market conditions. The risk associated with fluctuating interest rates is limited to this investment portfolio. We believe that a 10% change in interest rates would not have a material impact on our financial position or results of operations. We do not enter into financial instruments for trading or speculative purposes.
 Our exposure to interest rate risk also relates to the increase or decrease in the amount of interest expense we must pay on the outstanding debt under the Credit Agreement. The interest rates on our Term Loans and Revolving Facility are variable interest rates based on our lender’s prime rate or a LIBOR rate, in each case plus an applicable margin, which exposes us to market interest rate risk when we have outstanding borrowings under the Credit Agreement. As of April 2, 2021, we had $170.1 million of outstanding borrowings under the Credit Agreement. Assuming our outstanding debt remains constant under the Credit Agreement for an entire year and the applicable annual interest rate increases or decreases by 1%, our annual interest expense would increase or decrease by $1.7 million. The interest rates on our 2026 Convertible Notes are fixed and therefore not subject to interest rate risk.
Foreign currency risk. To date, our international customer agreements have been denominated primarily in U.S. dollars. Accordingly, we have limited exposure to foreign currency exchange rates. The functional currency of a majority of our foreign operations continues to be in U.S. dollars with the remaining operations being local currency. Increases in the value of the U.S. dollar relative to other currencies could make our products more expensive, which could negatively impact demand in certain regions. Conversely, decreases in the value of the U.S. dollar relative to other currencies could result in our products being more expensive to certain customers and could reduce or delay orders, or otherwise negatively affect how they do business with us. The effects of exchange rate fluctuations on the net assets of the majority of our operations are accounted for as transaction gains or losses. We believe that a change of 10% in such foreign currency exchange rates would not have a material impact on our financial position or results of operations. In the future, we may enter into foreign currency exchange hedging contracts to reduce our exposure to changes in exchange rates.
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ITEM 4. CONTROLS AND PROCEDURES
Evaluation of Disclosure Controls and Procedures
As of the end of the period covered by this Quarterly Report on Form 10-Q, we carried out an evaluation of the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”)). Based on this evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) were effective as of April 2, 2021.
Changes in Internal Control over Financial Reporting
There were no changes to our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) of the Exchange Act) that occurred during our most recent fiscal quarter that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.
Limitations on Controls
Our disclosure controls and procedures and internal control over financial reporting are designed to provide reasonable assurance of achieving the desired control objectives. Our management recognizes that any control system, no matter how well designed and operated, is based upon certain judgments and assumptions and cannot provide absolute assurance that its objectives will be met. Similarly, an evaluation of controls cannot provide absolute assurance that misstatements due to error or fraud will not occur or that all control issues and instances of fraud, if any, have been detected.
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PART II—OTHER INFORMATION
ITEM 1. LEGAL PROCEEDINGS
See Note 11 - Commitments and Contingencies to our Condensed Consolidated Financial Statements in this Quarterly Report on Form 10-Q for information about our legal proceedings.
ITEM 1A. RISK FACTORS
Our business involves a high degree of risk.  In addition to the other information set forth in this Quarterly Report on Form 10-Q, you should carefully consider the factors discussed in Part I, “Item 1A. Risk Factors” in our 2020 Annual Report on Form 10-K, which could materially affect our business, financial condition or future results. As of the date of this Quarterly Report on Form 10-Q, there have been no material changes in any of the risk factors described in our 2020 Annual Report on Form 10-K, except as noted below.

Risks Relating to our 2026 Convertible Notes

Servicing our debt, including the 2026 Convertible Notes, requires a significant amount of cash, and we may not have sufficient cash flow from our business to pay our indebtedness.

Our ability to make payments of the principal of, to pay interest on, or to refinance, the 2026 Convertible Notes, or to make cash payments in connection with any conversion of the 2026 Convertible Notes depends on our future performance, which is subject to economic, financial, competitive and other factors beyond our control. Our business may not continue to generate cash flow from operations in the future sufficient to service the 2026 Convertible Notes or other indebtedness and make necessary capital expenditures. If we are unable to generate such cash flow, we may be required to adopt one or more alternatives, such as selling assets, restructuring indebtedness or obtaining additional equity capital on terms that may be onerous or highly dilutive. Our ability to refinance the 2026 Convertible Notes or our other indebtedness will depend on the capital markets and our financial condition at such time. We may not be able to engage in any of these activities or engage in these activities on desirable terms, which could result in a default on our debt obligations.

Provisions in indenture governing the 2026 Convertible Notes may delay or prevent an otherwise beneficial business combination.

The terms of the 2026 Convertible Notes require us to repurchase the 2026 Convertible Notes in the event of a “fundamental change” as defined under the indenture governing the 2026 Convertible Notes. A fundamental change of our Company would trigger an option of the holders of the 2026 Convertible Notes to require us to repurchase the 2026 Convertible Notes. In addition, if a make-whole fundamental change occurs prior to the maturity date of the 2026 Convertible Notes, we will in some cases be required to increase the conversion rate for a holder that elects to convert its 2026 Convertible Notes. Furthermore, the indenture that governs the 2026 Convertible Notes prohibits us from engaging in certain mergers or acquisitions unless, among other things, the surviving entity assumes our obligations under the 2026 Convertible Notes. This may have the effect of delaying or preventing an acquisition of our Company that could be beneficial to investors.

We may not have the ability to raise the funds necessary to settle conversions of the 2026 Convertible Notes in cash or to repurchase the 2026 Convertible Notes upon a fundamental change and our debt may limit our ability to pay cash upon conversion or repurchase of the 2026 Convertible Notes.

Holders of the 2026 Convertible Notes have the right to require us to repurchase their 2026 Convertible Notes upon the occurrence of a fundamental change at a purchase price equal to 100% of the principal amount of the 2026 Convertible Notes to be repurchased, plus accrued and unpaid interest, if any, to, but not including, the fundamental change repurchase date. In addition, unless we elect to deliver solely shares of our common stock upon conversion, we will be required to make cash payments in respect of the 2026 Convertible Notes being converted. However, we may not have enough available cash or be able to obtain financing at the time we are required to make purchases of the 2026 Convertible Notes, and our failure to do so would constitute a default under the indenture governing the 2026 Convertible Notes. In addition, our ability to repurchase the 2026 Convertible Notes or to pay cash upon conversion of the 2026 Convertible Notes could be limited by law, by regulatory authority or by agreements that will govern our future indebtedness. A default under the indenture governing the 2026 Convertible Notes or the fundamental change itself could also lead to a default under agreements governing our existing or future indebtedness.
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ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS
Issuer Purchases of Equity Securities
The following table presents information with respect to purchases of common stock we made during the fiscal quarter ended April 2, 2021. 
Period
Total Number of Shares (or Units) Purchased (1)
Average Price Paid per Share (or Unit)Total Number of Shares (or Units) Purchased as Part of Publicly Announced Plans or ProgramsMaximum Number of Shares (or Units) that May Yet Be Purchased Under the Plans or Programs
January 2, 2021-January 29, 2021633 $61.67 — — 
January 30, 2021-February 26, 2021154,318 67.67 — — 
February 27, 2021-April 2, 2021189 66.33 — — 
Total155,140 $67.64 — — 
(1)    We employ “withhold to cover” as a tax payment method for vesting of restricted stock awards for our employees, pursuant to which, we withheld from employees the shares noted in the table above to cover tax withholding related to the vesting of their awards. The average prices listed in the above table are averages of the fair market prices at which we valued shares withheld for purposes of calculating the number of shares to be withheld.
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ITEM 6. EXHIBITS
Exhibit
Number
Description
3.1
3.2
4.1
4.2
10.1*
10.2*
10.3*
10.4*
10.5*
31.1
31.2
32.1
101The following material from the Quarterly Report on Form 10-Q of MACOM Technology Solutions Holdings, Inc. for the fiscal quarter ended April 2, 2021, formatted in Inline XBRL: (i) Consolidated Balance Sheets, (ii) Consolidated Statements of Operations, (iii) Consolidated Statements of Comprehensive Loss, (iv) Consolidated Statements of Stockholders’ Equity, (v) Consolidated Statements of Cash Flows, (vi) Notes to Consolidated Financial Statements and (vii) document and entity information, tagged as blocks of text and including detailed tags.
104The cover page for the Quarterly Report on Form 10-Q of MACOM Technology Solutions Holdings, Inc. for the fiscal quarter ended April 2, 2021, formatted in Inline XBRL and included as Exhibit 101
*Management contract or compensatory plan


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SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this Quarterly Report on Form 10-Q to be signed on its behalf by the undersigned thereunto duly authorized.
MACOM TECHNOLOGY SOLUTIONS HOLDINGS, INC.
Dated: April 29, 2021By:/s/ Stephen G. Daly
Stephen G. Daly
President and Chief Executive Officer
(Principal Executive Officer)
Dated: April 29, 2021By:/s/ John F. Kober
John F. Kober
Senior Vice President and Chief Financial Officer
(Principal Accounting and Principal Financial Officer)