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Stock-based Compensation (Tables)
12 Months Ended
Dec. 31, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Based Compensation Cost
We recorded stock-based compensation expense in the following categories in the accompanying consolidated statements of operations and balance sheets (in thousands):
Year Ended December 31,
202420232022
Cost of revenue
$5,833 $4,318 $2,931 
Sales and marketing
8,077 6,096 10,144 
Technology and development
19,573 18,899 16,574 
General and administrative
38,027 36,702 50,820 
Total stock-based compensation expense
71,510 66,015 80,469 
Amount capitalized to internal-use software
5,967 4,056 2,526 
Total stock-based compensation
$77,477 $70,071 $82,995 
Schedule of Stock Options Activity
Stock option activity for the year ended December 31, 2024 is as follows (in thousands, except weighted-average exercise price and remaining contract life):
Number of
Options
Weighted-
Average
Exercise
Price
Weighted-
Average
Remaining
Contractual
Life
(in Years)
Aggregate
Intrinsic
Value
Outstanding at December 31, 2023
20,486 $10.69 6.9$34,571 
Granted
— — 
Exercised
(389)1.11 
Cancelled
(2,231)13.00 
Forfeited
(2,672)11.22 
Outstanding at December 31, 2024
15,194 $10.51 2.6$442 
Vested and expected to vest at December 31, 2024
15,194 $10.51 2.6$442 
Exercisable at December 31, 2024
13,948 $10.46 2.1$442 
Schedule of Fair Value Assumptions and Techniques for Stock Options
The weighted-average assumptions that were used to calculate the grant-date fair value of our stock option grants using the Black-Scholes option pricing model were as follows:
Year Ended December 31,
20232022
Expected life (years)
5.95.6
Risk-free interest rate
3.4%-3.8%
2.6 %
Expected volatility
50.4%-50.7%
48 %
Expected dividend yield
— — 
Schedule of Restricted Stock Unit Activity
A summary of RSUs and performance stock units, or PSUs, activity for the year ended December 31, 2024 is as follows (in thousands, except weighted-average grant-date fair value):
Number of Units
Weighted-
Average
Grant-
Date Fair
Value
Unvested at December 31, 2023
14,007 $10.83 
Granted(1)
28,681 7.70 
Cancelled/forfeited
(7,091)11.35 
Vested
(5,875)11.84 
Unvested at December 31, 2024
29,722 $7.49 
(1) Granted shares include RSU awards with a market vesting condition granted in July 2024 and reflected at 200% of target, and RSU awards with market vesting condition granted in November 2024 reflected at 400% of target.
Schedule of Fair Value Assumptions and Techniques for Restricted Stock Units
The assumptions that were used to calculate the grant-date fair value of our PSU grants using a Monte Carlo simulation model were as follows:
Year Ended December 31,
2024
Expected life (years)
0.4-0.8
Risk-free interest rate
5.2%-5.4%
Expected volatility
47.4%-66.1%
Expected dividend yield
The assumptions that were used to calculate the grant-date fair value of the RSUs with a market vesting condition using a Monte Carlo simulation model were as follows:
Year Ended December 31,
2024
Expected life (years)
5
Risk-free interest rate
4.2 %
Expected volatility
59.4 %
Expected dividend yield
— 
The assumptions that were used to calculate the grant-date fair value of the RSUs with a market vesting condition using a Monte Carlo simulation model were as follows:
Year Ended December 31,
2024
Expected life (years)
3
Risk-free interest rate
4.2 %
Expected volatility
60.9 %
Expected dividend yield
—