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Stockholders' Equity (Tables)
3 Months Ended
Mar. 31, 2023
Share-Based Payment Arrangement [Abstract]  
Summary of RSU and RSA Activity
The following table summarizes the RSU and RSA activity during the three months ended March 31, 2023:
Class A
Number of Shares
Weighted-
Average
Grant Date
Fair Value
(in thousands, except per share data)
Unvested at December 31, 2022132,392$18.28 
Granted23,045$10.51 
Vested(21,926)$16.70 
Forfeited(5,425)$20.93 
Unvested at March 31, 2023128,086$17.04 
Summary of Stock Option Award Activity
The following table summarizes the stock option award activity under the Stock Plans during the three months ended March 31, 2023:
Class A
Number
of Shares
Class B
Number
of Shares
Weighted-
Average
Exercise
Price
Weighted-
Average
Remaining
Contractual
Term
(in years)
Aggregate
Intrinsic
Value (1)
(in thousands, except per share data)
Outstanding at December 31, 20222,589570$9.68 4.05$9,669 
Granted$— 
Exercised(3)(1)$7.66 
Forfeited$— 
Outstanding at March 31, 20232,586569$9.68 3.73$12,359 
(1)The aggregate intrinsic value is calculated as the difference between the exercise price of the underlying stock option awards and the closing market price of our Class A common stock as of March 31, 2023 and December 31, 2022, respectively.
Summary of Total Stock-based Compensation Expense
Total stock-based compensation expense by function was as follows:
Three Months Ended March 31,
20232022
(in thousands)
Cost of revenue$1,885 $2,446 
Research and development219,850 182,866 
Sales and marketing54,939 42,071 
General and administrative38,257 48,061 
Total$314,931 $275,444