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Stockholders’ Equity and Equity Incentive Plan (Tables) | 6 Months Ended
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Jun. 30, 2025
Equity [Abstract] |
Schedule of Common Stock Reserved for Future Issuance | As of June 30, 2025, the Company had the following shares of common stock reserved for future issuance under its equity incentive plan and employee share purchase plan:
Stock options outstanding | 4,981,514 |
Restricted stock outstanding | 6,291,375 |
Remaining shares available for future grant under 2021 Equity Incentive Plan(1) | 2,646,617 |
Remaining shares available for future issuance under 2021 Employee Stock Purchase Plan(2) | 2,470,187 |
Total shares of common stock reserved as of June 30, 2025 | 16,389,693 |
(1)Includes the automatic annual increase of 2,100,684 additional shares under the Company’s 2021 Equity Incentive Plan on January 1, 2025. (2)Includes the automatic annual increase of 420,136 additional shares under the Company’s 2021 Employee Stock Purchase Plan on January 1, 2025.
Schedule of Share Repurchases | The following table presents certain information regarding shares repurchased during the periods presented:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2025 |  | 2024 |  | 2025 |  | 2024 |  |
Number of shares repurchased | 793,946 |  |  | 840,856 |  |  | 1,502,434 |  |  | 1,543,476 |  |  |
Average price per share, including commissions | $ | 5.48 |  |  | $ | 5.95 |  |  | $ | 5.88 |  |  | $ | 6.66 |  |  |
Total repurchase costs, including commissions (in millions) | $ | 4.3 |  |  | $ | 5.0 |  |  | $ | 8.8 |  |  | $ | 10.3 |  |  |
Schedule of RSU Activity | A summary of restricted stock unit (“RSU”) activity, excluding RSUs with performance conditions, and related information is as follows:
| RSUs Outstanding
| Number of Shares |  | Weighted-Average Grant Date Fair Value
Unvested balance as of December 31, 2024 | 5,051,759 |  |  | $ | 8.20 |
Granted | 2,206,810 |  |  | 5.50 |
Vested | (1,775,739) |  |  | 8.72 |
Cancelled and forfeited | (398,577) |  |  | 7.78 |
Unvested balance as of June 30, 2025 | 5,084,253 |  |  | $ | 6.89 |
Schedule of Share-Based Compensation Expense by Line Item in the Consolidated Statements of Operations | The stock-based compensation expense by line item in the condensed consolidated statements of operations is summarized as follows (in thousands):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2025 |  | 2024 |  | 2025 |  | 2024 |  |
Cost of revenue |  |  |  |  |  |  |  |  |
Subscription and other platform | $ | 394 |  |  | $ | 687 |  |  | $ | 819 |  |  | $ | 1,355 |  |  |
Professional services | 127 |  |  | 129 |  |  | 263 |  |  | 250 |  |  |
Total cost of revenue | 521 |  |  | 816 |  |  | 1,082 |  |  | 1,605 |  |  |
Sales and marketing | 2,100 |  |  | 3,338 |  |  | 4,247 |  |  | 6,396 |  |  |
Research and development | 1,373 |  |  | 2,246 |  |  | 2,726 |  |  | 4,374 |  |  |
General and administrative | 3,384 |  |  | 5,676 |  |  | 6,453 |  |  | 10,038 |  |  |
Total stock-based compensation expense | $ | 7,378 |  |  | $ | 12,076 |  |  | $ | 14,508 |  |  | $ | 22,413 |  |  |
Schedule of Unrecognized Stock-Based Compensation Expenses and Weighted-Average Recognition Periods | The following table presents the unrecognized stock-based compensation expense and weighted-average recognition periods as of June 30, 2025 (in thousands, except years):
|  |  | Restricted Stock |  | ESPP
Unrecognized stock-based compensation expense |  |  | $ | 35,187 |  |  | $ | 60 |
Weighted-average amortization period |  |  | 1.73 years |  | 0.38 years

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