v3.24.3
Stock-based Compensation Expense (Tables)
 9 Months Ended
Sep. 30, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock-based Compensation Expense
Stock-based compensation expense included in the condensed consolidated statements of operations was as follows (in thousands):
 Three Months Ended September 30,Nine Months Ended September 30,
 2024202320242023
Infrastructure and trust & safety$29,078 $24,483 $84,326 $65,710 
Research and development189,064 155,651 542,867 432,676 
General and administrative36,345 32,200 102,786 97,673 
Sales and marketing10,678 7,688 27,579 21,229 
Total stock-based compensation expense$265,165 $220,022 $757,558 $617,288 
Schedule of Stock Option Activity
The following table summarizes the Company’s stock option activity (in thousands, except per option data and remaining contractual term):
 Options Outstanding
 Number of
Shares Subject
to Options		Weighted-Average
Exercise
Price (per Option)		Weighted-Average Remaining
Contractual
Term (Years)		Aggregate
Intrinsic
Value
Balances as of December 31, 202340,159 $2.98 5.16$1,716,171 
Granted— — 
Cancelled, forfeited, and expired(184)$4.79 
Exercised(7,815)$2.72 
Balances as of September 30, 202432,160 $3.04 4.48$1,325,679 
Exercisable as of September 30, 2024
31,825 $3.02 4.46$1,312,577 
Vested and expected to vest at September 30, 2024
32,160 $3.04 4.48$1,325,679 
Schedule of Restricted Stock Units and Restricted Stock Awards Activity
The following table summarizes the Company’s RSU and RSA activity (in thousands, except per share data):
 RSUsRSAs
 Number of
Shares		Weighted-Average
Grant Date
Fair Value (per Share)		Number of
Shares		Weighted-Average
Grant Date
Fair Value (per Share)
Unvested as of December 31, 202339,846 $42.25 149 $46.00 
Granted16,867 $38.95 — — 
Vested and released(15,566)$42.93 (74)$46.00 
Cancelled(4,680)$41.16 (25)$46.00 
Unvested as of September 30, 202436,467 $40.57 50 $46.00