Employee Benefit Plans | EMPLOYEE BENEFIT PLANS Stock Incentive Plans Our 2021 Stock Incentive Plan (the “2021 Plan”) provides for the granting of incentive and non-statutory stock options, restricted stock units (“RSUs”), and other equity-based awards. Pursuant to our 2021 Employee Stock Purchase Plan (the “ESPP”), eligible employees may purchase shares of our common stock through payroll deductions at 85% percent of the lower of the market price of our common stock on the date of commencement of the applicable offering period or on the last day of each six-month purchase period. As of June 30, 2023, 10,629,723 shares of our common stock were reserved for future issuance under the 2021 Plan. As of June 30, 2023, 4,571,095 shares of our common stock were reserved for issuance under the ESPP. Stock Options We may grant stock options at prices not less than the grant date fair value. These stock options generally expire 10 years from the grant date. Incentive stock options and non-statutory stock options generally vest ratably over a four-year service period. Stock option activity for the six months ended June 30, 2023 was as follows: Number of Weighted- Weighted- Aggregate Balance—December 31, 2022 18,153,195 $ 6.07 5.41 $ 120,289 Granted 454,626 14.72 Exercised (3,259,812) 4.33 Canceled (473,801) 10.23 Balance—June 30, 2023 14,874,208 $ 6.58 5.34 $ 108,844 Options vested 11,720,796 $ 4.83 4.79 $ 100,517 The aggregate intrinsic value of options exercised was $26,152 for the six months ended June 30, 2023. RSUs RSUs granted have a service-based vesting condition, which are satisfied generally either (i) over four years with a 25% cliff vesting period after one year and 6.25% vesting each quarter thereafter for new hires, or (ii) over four years with 6.25% vesting each quarter for new grants to existing employees. The related stock-based compensation expense is recognized on a straight-line basis over the requisite service period. RSU activity for the six months ended June 30, 2023 was as follows: Number of Weighted-Average Aggregate Unvested balance—December 31, 2022 22,773,053 $ 17.75 $ 269,779 Granted 5,840,206 11.14 Vested (4,414,108) 19.00 Forfeited (1,840,721) 21.60 Unvested balance—June 30, 2023 22,358,430 $ 15.46 $ 291,107 Stock-Based Compensation Expense Stock-based compensation expense is classified in the Condensed Consolidated Statements of Operations (Unaudited) as follows: Three Months Ended June 30, Six Months Ended June 30, 2023 2022 2023 2022 Cost of revenue $ 914 $ 812 $ 1,791 $ 1,389 Research and development 13,303 12,619 26,768 22,362 Sales and marketing 7,499 8,048 15,856 14,322 General and administrative 7,609 6,026 15,240 11,410 Restructuring related charges (17) — $ (5,605) — Total $ 29,308 $ 27,505 $ 54,050 $ 49,483 We capitalized $2,294 and $1,981 of stock-based compensation related to the development of our internal-use software during the three months ended June 30, 2023 and 2022 and $3,605 and $3,230 during the six months ended June 30, 2023 and 2022. As of June 30, 2023, there was a total of $22,334 unrecognized employee compensation cost related to unvested stock options, which is expected to be recognized over a weighted-average period of approximately 2.0 years. In addition, as of June 30, 2023, total unrecognized compensation cost related to unvested RSUs was $275,014, which is expected to be recognized over a weighted-average period of approximately 2.9 years. Total unrecognized compensation cost related to ESPP Rights as of June 30, 2023 was $9,840, which is expected to be recognized over a weighted-average period of approximately 1.2 years. Common Stock Reserved for Issuance The following table presents total shares of our common stock reserved for future issuance: June 30, 2023 December 31, 2022 Stock options outstanding 14,874,208 18,153,195 RSUs outstanding 22,358,430 22,773,053 Shares available for future grants 15,200,818 8,819,998 Total shares of common stock reserved 52,433,456 49,746,246 401(k) Plan We have a 401(k) savings plan that provides for a discretionary employer-matching contribution. We made matching contributions of $604 and $687 to the plan for the three months ended June 30, 2023 and 2022 and $1,460 and $1,354 for the six months ended June 30, 2023 and 2022. |