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Stockholders' Equity | 12 Months Ended
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Dec. 31, 2024
Equity [Abstract] |
Stockholders' Equity | Stockholders’ Equity Preferred Stock The Board of Directors has the authority, without a further vote of the stockholders, to designate and issue up to 5.0 million shares of preferred stock in one or more series and to fix the rights, preferences, privileges and restrictions thereof. These rights, preferences and privileges could include dividend rights, conversion rights, voting rights, terms of redemption, liquidation preferences, sinking fund terms and the number of shares constituting any series or the designation of such series, any or all of which may be greater than the rights of common stock. The issuance of the Company’s preferred stock could adversely affect the voting power of holders of common stock and the likelihood that such holders will receive dividend payments and payments upon liquidation. In addition, the issuance of preferred stock could have the effect of delaying, deferring or preventing a change in control of the Company or other corporate action. Since the Company’s initial public offering, the Board of Directors has not designated any rights, preference or powers of any preferred stock, and no shares of preferred stock have been issued. Common Stock Holders of the Company’s common stock are entitled to receive dividends, if any, as may be declared from time to time by the Board of Directors out of legally available funds. No dividends have been declared or paid as of December 31, 2024. Stock Repurchase Program The Company maintains a common stock repurchase program. Under the repurchase program, repurchases can be made from time to time using a variety of methods, which may include open market purchases, privately negotiated transactions or otherwise, all in accordance with the rules of the SEC and other applicable legal requirements. The specific timing, price and size of the purchases depends on prevailing stock prices, general economic and market conditions, and other considerations consistent with the Company’s capital allocation strategy. The repurchase program does not obligate the Company to acquire a particular amount of common stock, and the repurchase program may be suspended or discontinued at any time at the Company’s discretion. During the year ended December 31, 2024, the Company purchased 0.3 million shares of common stock for $10.7 million at an average price per share of $31.31. As of December 31, 2024, the remaining authorized balance under this program was $102.9 million. Equity Incentive Plans 2019 Equity Incentive Award Plan The 2019 Equity Incentive Award Plan (the “2019 Plan”) supersedes and replaces the 2010 Equity Incentive Award Plan (the “2010 Plan”) and preceding plans. The terms and conditions of the 2010 Plan will continue to govern any outstanding awards granted under the 2010 Plan. Employees and consultants of the Company, its subsidiaries and affiliates and the Company’s Board of Directors members are eligible to receive awards under the 2019 Plan. The 2019 Plan provides for the grant of stock options, stock appreciation rights, restricted stock, restricted stock units or other stock or cash-based awards and dividend equivalents to eligible individuals. Stock options granted under the 2019 Plan are granted at a price not less than 100% of the fair market value of the common stock on the date of grant. Stock options issued under the 2019 Plan generally vest 25% on the first anniversary of the vesting commencement date and on a quarterly basis thereafter for a period of an additional three years. The options have a maximum term of ten years. As of December 31, 2024, there were 2.8 million shares available for issuance under the 2019 Plan. In February 2023, PSOs covering an aggregate of 1.2 million shares of common stock were awarded to certain executives with a grant date average exercise price of $51.57 per share. The actual number of shares underlying the PSOs that could become earned was contingent upon achievement of annual financial targets for bookings and non-GAAP operating income for 2023 (together, the “2023 Performance Targets”) during the one-year performance period, with equal weighting for each measure. In February 2024, the Compensation Committee of the Board of Directors certified achievement of the 2023 Performance Targets and determined that 54.5% of the shares underlying the PSOs were earned, subject to the four-year service condition. Pursuant to the grant, 25% of the earned PSOs were vested and became exercisable on the first anniversary of the grant date, and the remaining 75% of the shares of common stock will vest and become exercisable in substantially equal quarterly installments over the subsequent three years, subject to the executive’s continued service with the Company through the respective vesting dates. Stock-based compensation expense of $5.5 million and $9.2 million was recognized for the years ended December 31, 2024 and 2023, respectively, related to these awards. In February 2024, PSO awards exercisable for up to an aggregate of 2.4 million shares of common stock were granted to certain Company executives with a grant date exercise price of $34.26 per share and divided into two plans, with the first plan accounting for 75% of the total shares granted and the second plan accounting for 25% of the total shares granted. The actual number of shares earned is contingent upon achievement of annual financial targets for bookings and non-GAAP net operating income for 2024 (collectively, the “2024 Performance Targets”) during the one-year performance period. These PSO awards will vest, subject to certification by the Compensation Committee of the Company’s Board of Directors upon the achievement of the 2024 Performance Targets, as to 25% of the PSOs earned on the one year anniversary of the date of grant, and as to the remaining 75% of the PSOs earned, in substantially equal quarterly installments over the subsequent three years, subject to the executive’s continuous service with the Company through the respective vesting dates. For the first plan, if the non-GAAP net operating income target and the bookings target are each achieved below 80% of target, no shares would be awarded, and the PSO awards would be forfeited in full. If either target is achieved at the minimum threshold of 80% of target, then the shares are awarded at 75% of the granted shares, with an increasing percentage of shares awarded above the minimum thresholds up to 120% of the granted shares for each target. Each target result is then equally weighted, and the combined total determines the percent of target shares earned. The maximum combined award is 100%. For the second plan, if the annual bookings target is achieved below 90% of target, the PSO awards would be forfeited in full. If the target is achieved at the minimum threshold of 90% of target, then the shares are awarded at 75% with an increasing percentage of shares awarded above the minimum thresholds up to 100% of the granted shares. The maximum award is 100%. In January 2025, the Compensation Committee certified the achievement related to the 2024 Performance Targets and determined that 58.9% of shares underlying the PSOs were earned, subject to the on-going service condition, and 41.1% of the shares underlying the PSOs were immediately forfeited. Stock-based compensation expense of $13.1 million was recognized for the year ended December 31, 2024 related to these PSOs. The following table summarizes the stock option activity under the Company’s equity incentive plans (in thousands, except per share data):
|  |  |  |  |  | Weighted- |  |
|  |  |  |  |  | Average |  |
|  |  |  | Weighted- |  | Remaining |  |
|  |  |  | Average |  | Contractual |  | Aggregate
|  | Number of |  | Exercise Price |  | Life |  | Intrinsic
|  | Shares |  | Per Share |  | (in years) |  | Value (1)
Outstanding as of December 31, 2023 |  | 10,323 |  |  | $ | 34.37 |  |  |  |  |
Granted |  | 2,968 |  |  | 34.03 |  |  |  |  |
Exercised |  | (290) |  |  | 9.59 |  |  |  |  |
Canceled |  | (818) |  |  | 51.88 |  |  |  |  |
Outstanding as of December 31, 2024 |  | 12,183 |  |  | $ | 33.70 |  |  | 7.0 |  | $ | 94,885 |
Vested and expected to vest as of December 31, 2024 |  | 11,874 |  |  | $ | 33.58 |  |  | 6.9 |  | $ | 94,571 |
Options exercisable as of December 31, 2024 |  | 7,120 |  |  | $ | 28.61 |  |  | 5.8 |  | $ | 91,658 |
(1) Amounts represent the difference between the exercise price and the fair market value of common stock at December 31, 2024 of $34.87 per share for all “in-the-money” options outstanding.
During the years ended December 31, 2024, 2023 and 2022, total intrinsic value of stock options exercised was $9.0 million, $16.7 million and $31.0 million, respectively. Cash received from employee stock option exercises in 2024, 2023 and 2022 was $2.8 million, $5.2 million and $6.7 million, respectively. Employee Stock Purchase Plans The ESPP allows eligible employees to purchase shares of the Company’s common stock through payroll deductions of up to 15% of their eligible compensation subject to certain Internal Revenue Code limitations. In addition, participants may purchase up to 2,000 shares of common stock in each offering period. The offering periods under the ESPP are two six-month offering periods from August 15 th through February 14 th and February 15 th through August 14 th of each year. The price of common stock purchased under the ESPP is 85% of the lower of the fair market value of the common stock on the commencement date and the end date of each six-month offering period. The total shares authorized for issuance under the ESPP is 12.4 million shares. As of December 31, 2024, there were 4.2 million shares available for issuance under the ESPP. During the year ended December 31, 2024, 0.3 million shares were purchased under the ESPP. As of December 31, 2024, unrecognized stock-based compensation expense of $0.4 million related to the ESPP is expected to be recognized over a remaining service period of 0.1 years. The NQ ESPP allows eligible employees to purchase shares of the Company’s common stock through payroll deductions of up to 25% of their eligible recurring compensation. Eligible employees have the right to (a) purchase the maximum number of whole shares of common stock that can be purchased with the elected payroll deductions during each offering period for which the employee is enrolled at a purchase price equal to the closing price of the Company’s common stock on the last day of such offering period and (b) receive an equal number of shares of the Company’s common stock that are subject to a risk of forfeiture in the event the employee terminates employment within the one year period immediately following the purchase date. The NQ ESPP provides quarterly offering periods from February 8 th through May 7 th, May 8 th through August 7 th, August 8 th through November 7 th and November 8 th through February 7 th of each year, with a maximum of 0.35 million shares allocated per purchase period. The maximum number of shares of common stock currently authorized for issuance under the NQ ESPP is 7.5 million shares. As of December 31, 2024, there were 2.2 million shares available for issuance under the NQ ESPP. During the year ended December 31, 2024, 1.2 million shares were purchased and issued. As of December 31, 2024, unrecognized stock-based compensation expense of $13.3 million related to the NQ ESPP is expected to be recognized over a remaining weighted-average service period of 0.8 years. Stock-Based Compensation The following table summarizes stock-based compensation expense (in thousands):
|  | Years Ended December 31,
|  | 2024 |  | 2023 |  | 2022
Cost of revenue |  | $ | 2,933 |  |  | $ | 2,913 |  |  | $ | 2,700 |
Sales and marketing |  | 20,810 |  |  | 16,893 |  |  | 12,001 |
Research and development |  | 19,083 |  |  | 17,000 |  |  | 12,165 |
General and administrative |  | 27,935 |  |  | 25,965 |  |  | 17,960 |
|  | $ | 70,761 |  |  | $ | 62,771 |  |  | $ | 44,826 |
Income tax benefits recognized |  | $ | 6,964 |  |  | $ | 10,993 |  |  | $ | 11,501 |
The following table summarizes the weighted-average grant date fair values of the Company’s stock-based awards granted in the periods indicated:
|  | Years Ended December 31,
|  | 2024 |  | 2023 |  | 2022
Stock options |  | $ | 17.21 |  |  | $ | 23.02 |  |  | $ | 31.86 |
ESPP |  | $ | 10.53 |  |  | $ | 17.96 |  |  | $ | 18.51 |
NQ ESPP |  | $ | 33.66 |  |  | $ | 42.51 |  |  | $ | 52.91 |
The Company values employee stock purchase rights under the NQ ESPP at the closing market price of the Company’s common stock on the date of grant. The Company estimates the fair value of stock options and employee stock purchase right under the ESPP at the grant date using the Black-Scholes option-pricing model. This model requires the use of the following assumptions: (i)Expected volatility of the Company’s common stock – The Company computes its expected volatility assumption based on a blended volatility (50% historical volatility and 50% implied volatility from traded options on the Company’s common stock). The selection of a blended volatility assumption was based upon the Company’s assessment that a blended volatility is more representative of the Company’s future stock price trend as it weighs the historical volatility with the future implied volatility. (ii)Expected life of the option award – Represents the weighted-average period that the stock options are expected to remain outstanding. The Company’s computation of expected life utilizes the simplified method in accordance with Staff Accounting Bulletin No. 110 due to the lack of sufficient historical exercise data to provide a reasonable basis upon which to estimate expected term. The mid-point between the vesting date and the expiration date is used as the expected term under this method. (iii)Expected dividend yield – The assumption is zero based on the Company’s history of not paying dividends and no future expectations of dividend payouts. (iv)Risk-free interest rate – Based on the U.S. Treasury yield curve in effect at the time of grant with maturities approximating the grant’s expected life. The following table summarizes the weighted-average assumptions used in estimating the grant-date fair value of stock options and of each employee’s purchase right under the ESPP in the periods indicated:
|  | Years Ended December 31,
Stock Options |  | 2024 |  | 2023 |  | 2022
Expected volatility |  | 51 | % |  | 52 | % |  | 58 | %
Expected life (years) |  | 6.0 |  | 6.1 |  | 6.1
Risk-free interest rate |  | 4.27 | % |  | 4.02 | % |  | 3.15 | %
|  | Years Ended December 31,
ESPP |  | 2024 |  | 2023 |  | 2022
Expected volatility |  | 48 | % |  | 47 | % |  | 62 | %
Expected life (years) |  | 0.5 |  | 0.5 |  | 0.5
Risk-free interest rate |  | 5.15 | % |  | 5.31 | % |  | 2.16 | %
In addition, the Company applies an estimated forfeiture rate to awards granted and records stock-based compensation expense only for those awards that are expected to vest. Forfeiture rates are estimated at the time of grant based on the Company’s historical experience. Further, to the extent the Company’s actual forfeiture rate is different from management’s estimate, stock-based compensation is adjusted accordingly. As of December 31, 2024, unrecognized stock-based compensation expense by award type, net of estimated forfeitures, and their expected weighted-average recognition periods are summarized in the following table (in thousands).
|  | Stock Option |  |  |  | ESPPs
Unrecognized stock-based compensation expense |  | $ | 64,207 |  |  |  |  | $ | 13,661 |
Weighted-average amortization period (in years) |  | 1.7 |  |  |  | 0.8
The Company expects to recognize stock-based compensation expense of $49.0 million in 2025, $21.4 million in 2026, $6.6 million in 2027 and $0.9 million in 2028. Shares Reserved for Future Issuance As of December 31, 2024, the Company had common shares reserved for future issuance as follows (in thousands):
Stock options outstanding |  | 12,183 |  |  |
Shares available for future grant under 2019 Plan |  | 2,840 |  |  |
Shares available for future issuance under ESPP |  | 4,218 |  |  |
Shares available for future issuance under NQ ESPP |  | 2,241 |  |  |
|  | 21,482 |  |  |

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- Definition The entire disclosure for shareholders' equity and share-based payment arrangement. Includes, but is not limited to, disclosure of policy and terms of share-based payment arrangement, deferred compensation arrangement, and employee stock purchase plan (ESPP). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/505/tableOfContent Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/718/tableOfContent + Details
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