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Table of Contents

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 September 30, 2022

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: 001-36182

Xencor, Inc.

(Exact name of registrant as specified in its charter)

Delaware

20-1622502

(State or other jurisdiction of incorporation

or organization)

(I.R.S. Employer Identification No.)

111 West Lemon Avenue, Monrovia, CA

91016

(Address of principal executive offices)

(Zip Code)

(626) 305-5900

(Registrant’s telephone number, including area code)

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

Title of each class:

    

Trading Symbol(s)

    

Name of each exchange on which registered:

Common Stock, par value $0.01 per share

XNCR

The Nasdaq Global 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 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 Securities Exchange Act of 1934).  Yes   No 

Indicate the number of shares outstanding of each of the issuer’s classes of common stock, as of the latest practicable date:

Class

Outstanding at November 3, 2022

Common stock, par value $0.01 per share

59,924,016

Table of Contents

Xencor, Inc.

Quarterly Report on Form 10-Q for the Quarter Ended September 30, 2022

Table of Contents

Page

SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

3

PART I.

FINANCIAL INFORMATION

5

Item 1.

Financial Statements

5

Balance Sheets as of September 30, 2022 (unaudited) and December 31, 2021

5

Statements of Comprehensive Income (Loss) for the Three and Nine Months Ended September 30, 2022 and 2021 (unaudited)

6

Statements of Stockholders’ Equity for the Three and Nine Months Ended September 30, 2022 and 2021 (unaudited)

7

Statements of Cash Flows for the Nine Months Ended September 30, 2022 and 2021 (unaudited)

8

Notes to Financial Statements (unaudited)

9

Item 2.

Management’s Discussion and Analysis of Financial Condition and Results of Operations

26

Item 3.

Quantitative and Qualitative Disclosures About Market Risk

38

Item 4.

Controls and Procedures

39

PART II.

OTHER INFORMATION

40

Item 1.

Legal Proceedings

40

Item 1A.

Risk Factors

40

Item 6.

Exhibits

41

Signatures

42

In this report, unless otherwise stated or the context otherwise indicates, references to “Xencor,” “the Company,” “we,” “us,” “our” and similar references refer to Xencor, Inc. The Xencor logo is a registered trademark of Xencor, Inc. This report also contains registered marks, trademarks, and trade names of other companies. All other trademarks, registered marks and trade names appearing in this report are the property of their respective holders.

2

Table of Contents

SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended (the Securities Act), and Section 21E of the Securities Exchange Act of 1934, as amended (the Exchange Act). You should not place undue reliance on these statements. We have based these forward-looking statements largely on our current expectations and projections about future events and financial trends affecting the financial condition of our business. Forward-looking statements should not be read as a guarantee of future performance or results and will not necessarily be accurate indications of the times at, or by, which such performance or results will be achieved. Forward-looking statements are based on information available at the time those statements are made and/or management’s good faith belief as of that time with respect to future events, and are subject to risks and uncertainties that could cause actual performance or results to differ materially from those expressed in or suggested by the forward-looking statements. Our actual results could differ materially from those anticipated in these forward-looking statements as a result of various factors, including those set forth below under Part II, Item 1A, “Risk Factors” in this Quarterly Report. These statements, which represent our current expectations or beliefs concerning various future events, may contain words such as “may,” “will,” “expect,” “anticipate,” “intend,” “plan,” “believe,” “estimate,” the negative of such terms or other words indicating future results.

These forward-looking statements should, therefore, be considered in light of various important factors, including but not limited to, the following:

the effects of the ongoing COVID-19 pandemic in the United States and abroad on our financial condition, results of operations, cash flows and performance;

our ability to execute on our plans to research, develop and commercialize our product candidates;

the success, cost, and timing of our ongoing and planned clinical trials;

the timing of and our ability to obtain and maintain regulatory approvals for our product candidates;

our ability to accurately estimate expenses, future revenue, capital requirements and needs for additional financing;

our ability to identify additional products or product candidates with significant commercial potential that are consistent with our business objectives;

our ability to receive research funding and achieve anticipated milestones under our collaborations;

our ability to attract collaborators with development, regulatory, and commercial expertise;

the ability of our publicly announced preliminary clinical trial data to support continued clinical development and regulatory approval for specific treatments;

our ability to protect our intellectual property position;

the rate and degree of market acceptance and clinical utility of our products;

costs of compliance and our failure to comply with new and existing governmental regulations;

the capabilities and strategy of our suppliers and vendors including key manufacturers of our clinical drug supplies;

significant competition in our industry;

costs of litigation and the failure to successfully defend lawsuits and other claims against us;

the potential loss or retirement of key members of management;

our failure to successfully execute our growth strategy, including any delays in our planned future growth; and

3

Table of Contents

our failure to maintain effective internal controls.

The factors, risks and uncertainties referred to above and others are more fully described under the heading “Risk Factors” in our Annual Report on Form 10-K for the fiscal year ended December 31, 2021 and this Quarterly Report on Form 10-Q. Forward-looking statements should be regarded solely as our current plans, estimates and beliefs. We cannot guarantee future results, events, levels of activity, performance, or achievements. We do not undertake and specifically decline any obligation to update, republish or revise forward-looking statements to reflect future events or circumstances or to reflect the occurrences of unanticipated events.

4

Table of Contents

PART I — FINANCIAL INFORMATION

ITEM 1.          Financial Statements

Xencor, Inc.

Balance Sheets

(in thousands, except share and per share data)

    

September 30, 

    

December 31, 

2022

2021

(unaudited)

Assets

Current assets

Cash and cash equivalents

$

52,654

$

143,480

Marketable debt securities

515,398

153,767

Marketable equity securities

32,184

36,860

Accounts receivable

44,876

 

66,384

Prepaid expenses

22,886

 

23,877

Total current assets

667,998

 

424,368

Property and equipment, net

 

51,040

 

28,240

Patents, licenses, and other intangible assets, net

18,094

 

16,493

Marketable debt securities - long term

41,720

300,465

Marketable equity securities - long term

31,124

31,262

Notes receivable - long term

5,000

5,000

Right of use (ROU) asset

19,680

31,730

Other assets

 

613

 

653

Total assets

$

835,269

$

838,211

Liabilities and stockholders’ equity

Current liabilities

Accounts payable

$

14,618

$

14,001

Accrued expenses

19,289

 

19,443

Lease liabilities

20,551

Deferred revenue

35,186

 

37,294

Income tax payable

 

388

 

Total current liabilities

90,032

 

70,738

Lease liabilities, net of current portion

22,539

33,969

Total liabilities

112,571

 

104,707

Commitments and contingencies

Stockholders’ equity

Preferred stock, $0.01 par value: 10,000,000 authorized shares; -0- issued and outstanding shares at September 30, 2022 and December 31, 2021

Common stock, $0.01 par value: 200,000,000 authorized shares at September 30, 2022 and December 31, 2021; 59,773,337 issued and outstanding at September 30, 2022 and 59,355,558 issued and outstanding at December 31, 2021

598

 

595

Additional paid-in capital

1,058,219

 

1,017,523

Accumulated other comprehensive loss

(9,875)

 

(1,510)

Accumulated deficit

 

(326,244)

 

(283,104)

Total stockholders’ equity

 

722,698

 

733,504

Total liabilities and stockholders’ equity

$

835,269

$

838,211

See accompanying notes.

5

Table of Contents

Xencor, Inc.

Statements of Comprehensive Income (Loss)

(unaudited)

(in thousands, except share and per share data)

Three Months Ended

 

Nine Months Ended

September 30, 

 

September 30, 

    

2022

    

2021

 

2022

    

2021

Revenue

Collaborations, milestones, and royalties

$

27,299

$

19,683

$

142,969

$

121,096

Operating expenses

Research and development

 

53,273

 

50,610

 

148,111

 

141,519

General and administrative

 

12,374

 

10,373

 

34,738

 

27,462

Total operating expenses

 

65,647

 

60,983

 

182,849

 

168,981

Loss from operations

 

(38,348)

 

(41,300)

 

(39,880)

 

(47,885)

Other income (expenses)

Interest income, net

 

1,379

 

196

 

2,749

 

558

Other expense, net

(1)

(593)

(244)

(610)

Gain (loss) on equity securities, net

5,299

1,506

(4,676)

57,507

Total other income (expense), net

 

6,677

 

1,109

 

(2,171)

 

57,455

Income (loss) before income tax expense

(31,671)

(40,191)

(42,051)

9,570

Income tax expense

1,088

1,088

Net income (loss)

(32,759)

(40,191)

(43,139)

9,570

Other comprehensive loss

Net unrealized loss on marketable debt securities

(931)

(59)

(8,366)

(149)

Comprehensive income (loss)

$

(33,690)

$

(40,250)

$

(51,505)

$

9,421

Basic net income (loss) per common share

$

(0.55)

$

(0.69)

$

(0.72)

$

0.16

Diluted net income (loss) per common share

$

(0.55)

$

(0.69)

$

(0.72)

$

0.16

Basic weighted average common shares outstanding

59,716,594

58,350,647

59,564,985

58,199,928

Diluted weighted average common shares outstanding

59,716,594

58,350,647

59,564,985

60,346,480

See accompanying notes.

6

Table of Contents

Xencor, Inc.

Statements of Stockholders’ Equity

(unaudited)

(in thousands, except share data)

Accumulated

Additional

Other

Total

Common Stock

Paid-in

Comprehensive

Accumulated

Stockholders’

Stockholders’ Equity

Shares

Amount

Capital

Income (Loss)

Deficit

Equity

Balance, December 31, 2021

59,355,558

$

595

$

1,017,523

$

(1,510)

$

(283,104)

$

733,504

Issuance of common stock upon exercise of stock awards

36,500

731

731

Issuance of restricted stock units

137,134

1

(1)

Comprehensive income (loss)

(5,611)

23,594

17,983

Stock-based compensation

10,805

10,805

Balance, March 31, 2022 (unaudited)

59,529,192

$

596

$

1,029,058

$

(7,121)

$

(259,510)

$

763,023

Issuance of common stock upon exercise of stock awards

70,874

1

1,315

1,316

Issuance of restricted stock units

15,774

Issuance of common stock under the Employee Stock Purchase Plan

68,580

1

1,196

1,197

Comprehensive loss

(1,823)

(33,975)

(35,798)

Stock-based compensation

12,603

12,603

Balance, June 30, 2022

59,684,420

598

1,044,172

(8,944)

(293,485)

742,341

Issuance of common stock upon exercise of stock awards

71,530

1,287

1,287

Issuance of restricted stock units

17,387

Comprehensive loss

(931)

(32,759)

(33,690)

Stock-based compensation

12,760

12,760

Balance, September 30, 2022 (unaudited)

59,773,337

$

598

$

1,058,219

$

(9,875)

$

(326,244)

$

722,698

Accumulated

Additional

Other

Total

Common Stock

Paid-in

Comprehensive

Accumulated

Stockholders’

Stockholders’ Equity

Shares

Amount

Capital

Income (Loss)

Deficit

Equity

Balance, December 31, 2020

57,873,444

$

580

$

937,525

$

74

$

(365,735)

$

572,444

Issuance of common stock upon exercise of stock awards

230,701

2

5,337

5,339

Issuance of restricted stock units

117,808

1

(1)

Comprehensive income (loss)

23

(2,487)

(2,464)

Stock-based compensation

8,293

8,293

Balance, March 31, 2021 (unaudited)

58,221,953

$

583

$

951,154

$

97

$

(368,222)

$

583,612

Issuance of common stock upon exercise of stock awards

52,790

1

902

903

Issuance of restricted stock units

10,190

Issuance of common stock under the Employee Stock Purchase Plan

30,552

937

937

Comprehensive income (loss)

(112)

52,248

52,136

Stock-based compensation

9,350

9,350

Balance, June 30, 2021

58,315,485

584

962,343

(15)

(315,974)

646,938

Issuance of common stock upon exercise of stock awards

132,709

1

3,228

3,229

Issuance of restricted stock units

6,617

Comprehensive loss

(59)

(40,191)

(40,250)

Stock-based compensation

8,943

8,943

Balance, September 30, 2021 (unaudited)

58,454,811

$

585

$

974,514

$

(74)

$

(356,165)

$

618,860

See accompanying notes.

7

Table of Contents

Xencor, Inc.

Statements of Cash Flows

(unaudited)

(in thousands)

Nine Months Ended

September 30, 

    

2022

    

2021

Cash flows from operating activities

Net (loss) income

$

(43,139)

$

9,570

Adjustments to reconcile net (loss) income to net cash used in operating activities:

Depreciation and amortization

 

6,640

 

5,384

Amortization of premium on marketable securities

 

909

 

2,632

Stock-based compensation

 

36,168

 

26,586

Abandonment of capitalized intangible assets

 

1,331

 

727

Equity received in connection with sale of financial assets

(3,300)

Change in fair value of equity securities

4,676

(39,206)

Impairment on equity securities

138

563

Loss on disposal of assets

132

17

Changes in operating assets and liabilities:

Accounts receivable and contract asset

 

21,508

 

3,398

Interest receivable from marketable debt securities

(392)

182

Prepaid expenses and other assets

 

1,031

 

(10,599)

Accounts payable

 

617

 

177

Accrued expenses

 

(154)

 

4,505

Income taxes

388

Lease liabilities and ROU assets

21,171

386

Deferred revenue

 

(2,108)

 

(79,665)

Net cash provided by (used in) operating activities

 

48,916

 

(78,643)

Cash flows from investing activities

Purchase of marketable debt securities

 

(317,058)

 

(387,826)

Purchase of equity securities

(842)

Proceeds from sale of property and equipment

4

Purchase of intangible assets

 

(3,977)

 

(2,348)

Purchase of property and equipment

 

(28,528)

 

(6,979)

Proceeds from maturities of marketable debt securities

205,290

343,882

Net cash used in investing activities

 

(144,273)

 

(54,109)

Cash flows from financing activities

Proceeds from issuance of common stock upon exercise of stock awards

 

3,334

 

9,471

Proceeds from issuance of common stock under the Employee Stock Purchase Plan

1,197

937

Net cash provided by financing activities

 

4,531

 

10,408

Net decrease in cash and cash equivalents

 

(90,826)

 

(122,344)

Cash and cash equivalents, beginning of period

 

143,480

 

163,544

Cash and cash equivalents, end of period

$

52,654

$

41,200

Supplemental disclosure of cash flow information

Cash paid during the period for:

Interest

$

13

$

13

Income taxes

$

72

$

Supplemental disclosures of non-cash investing activities

Unrealized loss on marketable debt securities

$

(8,366)

$

(149)

See accompanying notes.

8

Table of Contents

Xencor, Inc.

Notes to Financial Statements

(unaudited)

September 30, 2022

1. Summary of Significant Accounting Policies

Basis of Presentation

The accompanying unaudited interim financial statements for Xencor, Inc. (the Company, Xencor, we or us) have been prepared in accordance with U.S. generally accepted accounting principles (GAAP) for interim financial information. The financial statements include all adjustments (consisting only of normal recurring adjustments) that the management of the Company believes are necessary for a fair presentation of the periods presented. The preparation of interim financial statements requires the use of management’s estimates and assumptions that affect reported amounts of assets and liabilities at the date of the interim financial statements and the reported revenues and expenditures during the reported periods. These interim financial results are not necessarily indicative of the results expected for the full fiscal year or for any subsequent interim period.

The accompanying unaudited interim financial statements and related notes should be read in conjunction with the audited financial statements and notes thereto included in the Company’s 2021 Annual Report on Form 10-K filed with the Securities and Exchange Commission (SEC) on February 24, 2022.

Use of Estimates

The preparation of interim financial statements in conformity with GAAP requires management to make certain estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses, other comprehensive gain (loss) and the related disclosures. On an ongoing basis, management evaluates its estimates, including estimates related to its accrued clinical trial and manufacturing development expenses, stock-based compensation expense, evaluation of intangible assets, investments, leases and other assets for evidence of impairment, fair value measurements, and contingencies. Significant estimates in these interim financial statements include estimates made for royalty revenue, accrued research and development expenses, stock-based compensation expenses, intangible assets, incremental borrowing rate for right-of-use asset and lease liability, estimated standalone selling price of performance obligations, estimated time for completing delivery of performance obligations under certain arrangements, the likelihood of recognizing variable consideration, the carrying value of equity instruments without a readily determinable fair value, and recoverability of deferred tax assets.

Intangible Assets

The Company maintains definite-lived intangible assets related to certain capitalized costs of acquired licenses and third-party costs incurred in establishing and maintaining its intellectual property rights to its platform technologies and development candidates. These assets are amortized over their useful lives, which are estimated to be the remaining patent life or the contractual term of the license. The straight-line method is used to record amortization expense. The Company assesses its intangible assets for impairment if indicators are present or changes in circumstances suggest that impairment may exist. There was no impairment charge recorded for the three and nine months ended September 30, 2022. During the three and nine months ended September 30, 2021, the Company recorded an impairment charge of $0.4 million related to an acquired license.

The Company capitalizes certain in-process intangible assets that are then abandoned when they are no longer pursued or used in current research activities. We abandoned $0.3 million and $1.3 million of in-process intangible assets during the three and nine months ended September 30, 2022, respectively. There was no material abandonment of in-process intangible assets during the three months ended September 30, 2021. We abandoned $0.3 million of in-process intangible assets during the nine months ended September 30, 2021.

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Table of Contents

Marketable Debt and Equity Securities

The Company has an investment policy that includes guidelines on acceptable investment securities, minimum credit quality, maturity parameters, and concentration and diversification. The Company invests its excess cash primarily in marketable debt securities issued by investment grade institutions.

The Company considers its marketable debt securities to be available-for-sale because it is not more likely than not that the Company will be required to sell the securities before recovery of the amortized cost. These assets are carried at fair value and any impairment losses and recoveries related to the underlying issuer’s credit standing are recognized within other income (expense), while non-credit related impairment losses and recoveries are recognized within accumulated other comprehensive income (loss). There were no impairment losses or recoveries recorded for the three and nine months ended September 30, 2022 and 2021. Accrued interest on marketable debt securities is included in the marketable securities’ carrying value. Each reporting period, the Company reviews its portfolio of marketable debt securities, using both quantitative and qualitative factors, to determine if each security’s fair value has declined below its amortized cost basis. During the three and nine months ended September 30, 2022, the Company recorded an unrealized loss of $0.9 million and $8.4 million, respectively, in its portfolio of marketable debt securities. The unrealized losses are due to the changing interest rate environment and are not due to changes in the credit quality of the underlying securities. The unrealized losses are recorded in other comprehensive income (loss) for the three and nine months ended September 30, 2022.

The Company receives equity securities in connection with certain licensing transactions with its partners. These investments in equity securities are carried at fair value with changes in fair value recognized each period and reported within other income (expense). For equity securities with a readily determinable fair value, the Company remeasures these equity investments at each reporting period until such time that the investment is sold or disposed. If the Company sells an investment, any realized gain or loss on the sale of the securities will be recognized within other income (expense) in the Statements of Comprehensive Income (Loss) in the period of sale.

The Company also has investments in equity securities without a readily determinable fair value, where the Company elects the measurement alternative to record the investment at its initial cost minus impairment, plus or minus changes resulting from observable price changes in orderly transactions for the identical or a similar investment of the same issuer. There was no impairment charge recorded for the three months ended September 30, 2022. During the nine months ended September 30, 2022, the Company recorded an impairment charge of $0.1 million in connection with equity securities without a readily determinable fair value. During the three and nine months ended September 30, 2021, the Company recorded an impairment charge of $0.6 million.

Recent Accounting Pronouncements

Pronouncements Not Yet Effective

In June 2022, the Financial Accounting Standards Board (FASB) issued ASU No. 2022-03, Fair Value Measurement (Topic 820): Fair Value Measurement of Equity Securities Subject to Contractual Sale Restrictions, which is effective for fiscal years beginning on and after December 15, 2023, and interim periods within those fiscal years. The standard clarifies that a contractual restriction on the sale of an equity security is not considered part of the unit of account of the equity security and is not considered in measuring fair value. The Company does not anticipate that the standard will have a significant impact on its financial statements.

There have been no other material changes to the significant accounting policies previously disclosed in the Company’s 2021 Annual Report on Form 10-K.

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Table of Contents

2. Fair Value of Financial Instruments

Financial instruments included in the financial statements include cash and cash equivalents, marketable debt and equity securities, accounts receivable, accounts payable, and accrued expenses. Marketable debt securities, equity securities, and cash equivalents are carried at fair value. The fair value of the other financial instruments closely approximates their fair value due to their short-term maturities.

The Company accounts for recurring and non-recurring fair value measurements in accordance with FASB Accounting Standards Codification 820, Fair Value Measurements and Disclosures (ASC 820). ASC 820 defines fair value, establishes a fair value hierarchy for assets and liabilities measured at fair value, and requires expanded disclosure about fair value measurements. The ASC 820 hierarchy ranks the quality of reliable inputs, or assumptions, used in the determination of fair value and requires assets and liabilities carried at fair value to be classified and disclosed in one of the following three categories:

Level 1—Fair value is determined by using unadjusted quoted prices that are available in active markets for identical assets or liabilities.

Level 2—Fair value is determined by using inputs other than Level 1 quoted prices that are directly or indirectly observable. Inputs can include quoted prices for similar assets or liabilities in active markets or quoted prices for identical assets or liabilities in markets that are not active. Related inputs can also include those used in valuation or other pricing models, such as interest rates and yield curves that can be corroborated by observable market data.

Level 3—Fair value is determined by inputs that are unobservable and not corroborated by market data. Use of these inputs involves significant and subjective judgments to be made by the reporting entity – e.g., determining an appropriate discount factor for illiquidity associated with a given security.

The Company measures the fair value of financial assets using the highest level of inputs that are reasonably available as of the measurement date. The assets recorded at fair value are classified within the hierarchy as follows for the periods reported (in thousands):

September 30, 2022

(unaudited)

December 31, 2021

    

Total

    

    

    

Total

    

    

Fair Value

Level 1

Level 2

Fair Value

Level 1

Level 2

Money Market Funds

$

24,506

$

24,506

$

$

123,892

$

123,892

$

Corporate Securities

186,597

186,597

144,418

144,418

Government Securities

370,521

370,521

309,814

309,814

$

581,624

$

24,506

$

557,118

$

578,124

$

123,892

$

454,232

Our policy is to record transfers of assets between Level 1 and Level 2 at their fair values as of the end of each reporting period, consistent with the date of the determination of fair value. During the three and nine months ended September 30, 2022 and 2021, there were no transfers between Level 1 and Level 2.

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Table of Contents

3. Net Income (Loss) Per Common Share

Basic net income (loss) per common share is computed by dividing the net income (loss) attributable to common stockholders by the weighted-average number of common shares outstanding during the period without consideration of common stock equivalents. Diluted net income (loss) per common share is computed by dividing the net income (loss) attributable to common stockholders by the weighted-average number of common stock equivalents outstanding for the period. Potentially dilutive securities consisting of stock issuable pursuant to outstanding options and restricted stock units (RSUs), and stock issuable pursuant to the 2013 Employee Stock Purchase Plan (ESPP) are not included in the per common share calculation in periods when the inclusion of such shares would have an anti-dilutive effect.

Basic and diluted net income (loss) per common share is computed as follows:

Three Months Ended

 

Nine Months Ended

September 30, 

September 30, 

    

2022

    

2021

    

2022

    

2021

(in thousands, except share and per share data)

(in thousands, except share and per share data)

Numerator:

Net income (loss) attributable to common stockholders

$

(32,759)

$

(40,191)

$

(43,139)

$

9,570

Denominator:

Weighted-average common shares outstanding used in computing basic net income (loss)

 

59,716,594

 

58,350,647

59,564,985

58,199,928

Effect of dilutive securities

2,146,552

Weighted-average common shares outstanding used in computing diluted net income (loss)

59,716,594

58,350,647

59,564,985

60,346,480

Basic net income (loss) per common share

$

(0.55)

$

(0.69)

$

(0.72)

$

0.16

Diluted net income (loss) per common share

$

(0.55)

$

(0.69)

$

(0.72)

$

0.16

For the three and nine months ended September 30, 2022 and three months ended September 30, 2021, we excluded all shares of stock issuable pursuant to outstanding options and RSUs from the calculation, because the inclusion of such shares would have had an anti-dilutive effect. For the nine months ended September 30, 2021, we excluded 1,139,403 shares of stock issuable pursuant to outstanding options and RSUs from the calculation, because the inclusion of such shares would have had an anti-dilutive effect.

4. Comprehensive Income (Loss)

Comprehensive income (loss) is comprised of net income (loss) and other comprehensive income (loss). For each of the three- and nine-month periods ended September 30, 2022 and 2021, the only component of other comprehensive loss is net unrealized loss on marketable debt securities. There were no material reclassifications out of accumulated other comprehensive loss during each of the three- and nine-month periods ended September 30, 2022 and 2021.

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5. Marketable Debt and Equity Securities

The Company’s marketable debt securities held as of September 30, 2022 and December 31, 2021 are summarized below:

Gross

Gross

    

Amortized

    

Unrealized

Unrealized

    

September 30, 2022

Cost

Gains

Losses

Fair Value

(in thousands)

Money Market Funds

$

24,506

$

$

$

24,506

Corporate Securities

188,360

(1,763)

186,597

Government Securities

378,623

(8,102)

370,521

$

591,489

$

$

(9,865)

$

581,624

Reported as

Cash and cash equivalents

$

24,506

Marketable securities

557,118

Total investments

$

581,624

Gross

Gross

    

Amortized

    

Unrealized

Unrealized

    

December 31, 2021

Cost

Gains

Losses

Fair Value

(in thousands)

Money Market Funds

$

123,892

$

$

$

123,892

Corporate Securities

144,584

(166)

144,418

Government Securities

311,148

1

(