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Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2025
Share-Based Payment Arrangement [Abstract]  
Schedule of Option Activity
Option activity for the year ended December 31, 2025 is as follows (in thousands, except per share data):

Number of OptionsWeighted Average Exercise Price
(Per Share)
Weighted Average Remaining Contractual Life (Years)Aggregate Intrinsic Value
Outstanding at January 1, 2025
25,164,415$0.29 1.21$1,030,511 
Exercised(22,938,436)0.10
Forfeited and expired
Outstanding at December 31, 2025
2,225,979$2.27 3.25$67,215 
Exercisable at December 31, 2025
2,225,979$2.27 3.39$67,215 
Schedule of Restricted Stock Unit Activity
Restricted stock unit activity for the year ended December 31, 2025 is as follows:
Number of UnitsWeighted Average Grant Date
Fair Value
Unvested and outstanding at January 1, 2025
17,421,450 $28.33 
Granted8,059,711 32.82 
Vested(7,162,263)28.39 
Forfeited(3,768,443)29.20 
Unvested and outstanding at December 31, 2025
14,550,455 $30.56 
Schedule of Employee Stock Purchase Plan, Valuation Assumptions
The fair value of employee options granted under the ESPP is based on a 15% purchase discount off the grant date quoted trading price of the Company’s Series A common stock and is estimated using the Black-Scholes option-pricing model with the following assumptions:
Year Ended December 31,
20252024
Risk-free rate
3.96% 5.33%
4.79% - 5.33%
Expected term
0.5 - 1.0 years
0.5 - 1.0 years
Volatility
45.90% - 60.32%
45.90% - 64.12%
Expected dividends— — 
Schedule of Stock-Based Compensation Expense
Stock-based compensation included in the Consolidated Statements of Operations and Comprehensive Loss is as follows (in thousands):

Year Ended December 31,
202520242023
Cost of revenue$7,891 $8,917 $24,973 
Selling and marketing49,725 40,907 107,954 
Research and development68,178 50,693 120,184 
General and administrative36,237 34,695 87,688 
Stock-based compensation, net of amounts capitalized162,031 135,212 340,799 
Capitalized stock-based compensation expense4,416 3,555 1,349 
Total stock-based compensation expense$166,447 $138,767 $342,148