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 March 31, 2023, 9,981,495 shares of our common stock were reserved for future issuance under the 2021 Plan. As of March 31, 2023, 4,923,034 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 three months ended March 31, 2023 was as follows: Number of Weighted- Weighted- Aggregate Balance—December 31, 2022 18,153,195 $ 6.07 5.41 $ 120,289 Granted 319,490 15.59 Exercised (1,098,467) 4.87 Canceled (360,815) 10.88 Balance—March 31, 2023 17,013,403 $ 6.22 5.37 $ 106,684 Options vested 13,319,594 $ 4.52 4.79 $ 97,829 The aggregate intrinsic value of options exercised was $8,961 for the three months ended March 31, 2023. RSUs RSUs granted have a service-based vesting condition, which are satisfied generally either (a) over four years with 25% cliff vesting period after one year and 6.25% vesting each quarter thereafter or (b) over four years with 6.25% vesting each quarter. The related stock-based compensation expense is recognized on a straight-line basis over the requisite service period. RSU activity for the three months ended March 31, 2023 was as follows: Number of Weighted-Average Aggregate Unvested balance—December 31, 2022 22,773,053 $ 17.75 $ 269,779 Granted 4,789,045 11.06 Vested (1,976,234) 18.82 Forfeited (1,098,384) 22.68 Unvested balance—March 31, 2023 24,487,480 $ 16.13 $ 282,096 Stock-Based Compensation Expense Stock-based compensation expense is classified in the unaudited condensed consolidated statements of operations as follows: Three Months Ended March 31, 2023 2022 Cost of revenue $ 877 $ 577 Research and development 13,465 9,743 Sales and marketing 8,357 6,274 General and administrative 7,631 5,384 Restructuring charges (5,588) — Total $ 24,742 $ 21,978 We capitalized $1,311 and $1,249 of stock-based compensation related to the development of our internal-use software during the three months ended March 31, 2023 and 2022, respectively. As of March 31, 2023, there was a total of $28,536 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 March 31, 2023, total unrecognized compensation cost related to unvested RSUs was $307,474, which is expected to be recognized over a weighted-average period of approximately 3.0 years. Total unrecognized compensation cost related to ESPP Rights as of March 31, 2023 was $6,653, which is expected to be recognized over a weighted-average period of approximately 1.0 year. Common Stock Reserved for Issuance The following table presents total shares of our common stock reserved for future issuance: March 31, 2023 December 31, 2022 Stock options outstanding 17,013,403 18,153,195 RSUs outstanding 24,487,480 22,773,053 Shares available for future grants 14,904,529 8,819,998 Total shares of common stock reserved 56,405,412 49,746,246 401(k) Plan We have a 401(k) savings plan (the “401(k) Plan”) that provides for a discretionary employer-matching contribution. We made matching contributions of $856 and $667 to the 401(k) Plan for the three months ended March 31, 2023 and 2022, respectively. |