Stock-Based Compensation | 9. Stock-Based Compensation In May 2021, the Company’s board of directors (the "Board") adopted, and its stockholders approved, the 2021 Equity Incentive Plan (the “2021 Plan”), which became effective in connection with the IPO. The 2021 Plan provides for the grant of incentive stock options, within the meaning of Section 422 of the Internal Revenue Code ("IRC"), to the Company’s employees and any of its parent or subsidiary corporations’ employees, and for the grant of non-statutory stock options, restricted stock, restricted stock units, stock appreciation rights, and performance awards to the Company’ s employees, directors and consultants and any of its parent or subsidiary corporations’ employees and consultants. A total of approximately 10.5 million shares of the Company ’ s Class A common stock have been reserved for issuance under the 2021 Plan in addition to (i) an annual increase of 4 % of the outstanding shares of the Company's common stock, with Class A and Class B common stock taken together, on the first day of each fiscal year, subject to the Compensation Committee of the Board exercising discretion to increase or decrease such amount (the “Evergreen Addition”), and (ii) upon the expiration, forfeiture, cancellation, or reacquisition of any shares of Class B common stock underlying outstanding stock awards granted under the 2012 Equity Incentive Plan, an equal number of shares of Class A common stock, such number of shares not to exceed 7.6 million shares . On January 1, 2024, pursuant to the Evergreen Addition, approximately 5 million shares of Class A common stock were added to the 2021 Plan issuance reserve. At June 30, 2024, there were approximately 21.8 million remaining shares available for the Company to grant under the 2021 Plan. Stock Options A summary of the Company ’s option activity during the six months ended June 30, 2024 was as follows (in thousands, except for share and per share amount): Weighted- Weighted- Average Average Remaining Aggregate Options Exercise Price Contractual Intrinsic Outstanding per Share Life (years) Value Outstanding at December 31, 2023 3,849,350 $ 7.87 5.06 $ 38,505 Options exercised ( 183,521 ) 0.74 Options forfeited ( 2,333 ) 8.66 Outstanding at June 30, 2024 3,663,496 $ 8.23 4.68 $ 39,468 Exercisable at June 30, 2024 3,627,571 $ 8.22 4.67 $ 39,106 No options were granted or expired during the six months ended June 30, 2024. Aggregate intrinsic value represents the difference between the exercise price of the options and the fair value of the Company’s common stock. Restricted Stock Units (“RSUs”) A summary of the Company ’s RSU activity during the six months ended June 30, 2024 was as follows: Weighted- Number of Average RSUs Grant Date Outstanding Fair Value Awarded and unvested at December 31, 2023 1,946,006 $ 12.74 Awards granted 1,036,729 19.22 Awards vested ( 468,347 ) 12.09 Awards forfeited ( 154,827 ) 11.23 Awarded and unvested at June 30, 2024 2,359,561 $ 15.81 The fair value of RSU grants is determined based upon the market closing price of the Company’ s Class A common stock on the date of grant. RSUs vest over the requisite service period, which generally ranges between four years and five years from the date of grant for employees and one to three years for directors, subject to continued employment for employees and provision of services for non-employees. Stock-based compensation expense included in the condensed consolidated statements of operations and comprehensive income was as follows: Three Months Ended June 30, Six Months Ended June 30, 2024 2023 2024 2023 (in thousands) Cost of revenue $ 66 $ 29 $ 117 $ 74 Research and development 846 462 1,454 1,009 Sales and marketing 1,494 691 2,804 1,406 General and administrative 917 1,094 1,881 1,946 Total stock-based compensation $ 3,323 $ 2,276 $ 6,256 $ 4,435 At June 30, 2024, there was $ 0.1 million of total unrecognized compensation cost related to unvested stock options granted under the 2012 Equity Incentive Plan, which is expected to be recognized over a remaining weighted-average period of 1.3 years. At June 30, 2024, there was $ 35.1 million of total unrecognized compensation cost related to unvested RSUs granted under the 2021 Plan, which is expected to be recognized over a remaining weighted-average period of 3.6 years. |