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Stock-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2025
Share-Based Payment Arrangement [Abstract] |
Summary of Stock-based Compensation | Stock-based compensation recorded in the condensed consolidated statements of operations was as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Platform operations | $ | 1,025 |  |  | $ | 553 |  |  | $ | 2,915 |  |  | $ | 1,513 |
Sales and marketing | 1,770 |  |  | 1,180 |  |  | 5,089 |  |  | 3,074 |
Technology and development | 1,091 |  |  | 693 |  |  | 2,886 |  |  | 1,844 |
General and administrative | 2,542 |  |  | 2,903 |  |  | 7,520 |  |  | 8,875 |
Total | $ | 6,428 |  |  | $ | 5,329 |  |  | $ | 18,410 |  |  | $ | 15,306 |
Summary of RSU Activity | The following summarizes RSU activity:
| Number of Shares (in thousands) |  | Weighted-Average Grant Date Fair Value
RSUs outstanding as of December 31, 2024 | 4,459 |  |  | $ | 9.08 |
Granted | 2,600 |  |  | 12.35 |
Vested | (2,166) |  |  | 7.75 |
Canceled/forfeited | (285) |  |  | 9.46 |
RSUs outstanding as of September 30, 2025 | 4,608 |  |  | $ | 11.53 |
Summary of Nonqualified Stock Option Activity | The following summarizes NQSO activity:
| Number of Options (in thousands) |  | Weighted-Average Exercise Price |  | Weighted-Average Remaining Contractual Term (years) |  | Aggregate Intrinsic Value (in thousands)(1)
NQSOs outstanding as of December 31, 2024 | 5,128 |  |  | $ | 5.94 |  |  | 7.6 |  | $ | 66,959 |
Granted | — |  |  | — |  |  |  |  |
Exercised | (387) |  |  | 5.38 |  |  |  |  |
Canceled | (39) |  |  | 4.90 |  |  |  |  |
Expired | (3) |  |  | 4.11 |  |  |  |  |
NQSOs outstanding as of September 30, 2025 | 4,699 |  | $ | 5.99 |  |  | 6.9 |  | $ | 13,202 |
Vested and exercisable | 3,965 |  |  | $ | 5.77 |  |  | 6.8 |  | $ | 11,807 |
Summary of Assumptions used in Black-Scholes Model to Determine Fair Value of Nonqualified Stock Options Granted | The assumptions used in the Black-Scholes model to determine the fair value of NQSOs were as follows:
| Three and Nine Months Ended September 30,
| 2025 |  | 2024
Risk-free interest rate | — |  | 4.1%
Expected volatility | — |  | 74.4%
Expected term (in years) | — |  | 5.8
Expected dividend yield | — |  | 0.0%
Class of Treasury Stock | Shares of Class A common stock and Class B units repurchased by the Company under the stock repurchase program were as follows (in thousands):
| Three Months Ended September 30, 2025 |  | Nine Months Ended September 30, 2025
| Shares |  | Amount(1) |  | Shares |  | Amount(1)
Class A common stock repurchases | 1,025 |  |  | $ | 9,974 |  |  | 3,031 |  |  | $ | 37,945 |
Class B unit repurchases | — |  |  | — |  |  | — |  |  | — |
Total repurchases | 1,025 |  |  | $ | 9,974 |  |  | 3,031 |  |  | $ | 37,945 |
(1)Amount includes costs associated with the repurchase such as commissions.

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