v3.22.4
Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2022
Share-Based Payment Arrangement [Abstract]  
Summary of Stock Option Activity
Stock Options
The following table summarizes stock option activity for the year ended December 31, 2022 (in thousands, except per share amounts):
Options Outstanding
Weighted-Average Exercise Price Per Share
Weighted-Average
Remaining Contractual Life (years)
Aggregate Intrinsic Value
Balance as of December 31, 2021349,952 $7.81 9.06$3,638,685 
Options exercised(19,660)4.38 
Options canceled and forfeited(3,379)4.95 
Balance as of December 31, 2022326,913 $8.05 8.33$272,603 
Options vested and exercisable as of December 31, 2022183,119 $5.77 7.43$257,113 
Summary of Fair Value Assumptions of Stock-based Option Awards
Year Ended December 31, 2020
Fair value of common stock$7.60 
Expected volatility71.00 %
Expected term (in years)12.04
Expected dividend yield— %
Risk-free interest rate0.64 %
Summary of RSU Activity
The following table summarizes the RSU activity for the year ended December 31, 2022 (in thousands, except per share amounts):
RSUs OutstandingWeighted Average Grant Date Fair Value per Share
RSUs unvested and outstanding as of December 31, 2021153,749 $9.56 
RSUs granted33,673 10.24 
RSUs vested and converted to shares(51,941)8.73 
RSUs canceled(9,055)9.78 
RSUs unvested and outstanding as of December 31, 2022126,426 $10.07 
Summary of Stock-Based Compensation Expense
Total stock-based compensation expense was as follows (in thousands):
Years Ended December 31,
202220212020
Cost of revenue$44,061 $68,546 $139,627 
Sales and marketing196,301 242,910 398,205 
Research and development93,871 150,298 357,063 
General and administrative230,565 316,461 375,807 
Total stock-based compensation expense$564,798 $778,215 $1,270,702