Stockholders' Equity (Tables)
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12 Months Ended |
Dec. 31, 2025 |
| Stockholders' Equity Note [Abstract] |
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| Summary of Common Stock Reserved for Future Issuance |
The Company has reserved the following shares of common stock for future issuance (in thousands): | | | | | | | | | | | | | December 31, 2025 | | December 31, 2024 | | 2014 Stock Plan: | | | | | Options outstanding | 15,095 | | 23,143 | | Restricted stock units outstanding | — | | 278 | | 2021 Equity Incentive Plan: | | | | | Options outstanding | 23 | | 23 | | Restricted stock units outstanding | 18,436 | | 20,278 | | Remaining shares available for future issuance | 49,260 | | 44,280 | | 2021 Employee Stock Purchase Plan | 12,067 | | 10,138 | | Total | 94,881 | | 98,140 |
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| Summary of Stock Equity Award Activity |
The following table summarizes stock option activity under the 2014 Plan and the 2021 Plan: | | | | | | | | | | | | | | | | | | | | | | | | | Stock Options Outstanding | | Number of Shares (in thousands) | | Weighted-Average Exercise Price | | Weighted-Average Remaining Contractual Term (in years) | | Aggregate Intrinsic Value (in thousands) | | Balance as of December 31, 2024 | 23,166 | | $ | 7.97 | | | 4.95 | | $ | 463,750 | | | Stock options exercised | (7,877) | | $ | 7.22 | | | | | | | Stock options forfeited or expired | (171) | | $ | 17.58 | | | | | | | Balance as of December 31, 2025 | 15,118 | | $ | 8.25 | | | 3.93 | | $ | 333,039 | | | Vested and expected to vest as of December 31, 2025 | 15,118 | | $ | 8.25 | | | 3.93 | | $ | 333,039 | | | Vested and exercisable as of December 31, 2025 | 15,118 | | $ | 8.25 | | | 3.93 | | $ | 333,039 | |
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| Schedule of Restricted Stock Unit Activity |
The following table summarizes RSU activity under the 2014 Plan and the 2021 Plan: | | | | | | | | | | | | | RSUs Outstanding | | Number of Shares (in thousands) | | Weighted-Average Grant Date Fair Value | | Unvested balance as of December 31, 2024 | 20,556 | | $ | 26.97 | | | RSUs granted | 16,146 | | $ | 25.08 | | | RSUs vested | (13,954) | | $ | 27.31 | | | RSUs forfeited or cancelled | (4,312) | | $ | 27.64 | | | Unvested balance as of December 31, 2025 | 18,436 | | $ | 24.90 | |
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| Schedule of Weighted-Average Assumptions to Estimate Fair Value of Employee Stock Purchase Rights |
The fair value of employee stock purchase rights for offerings under the 2021 ESPP were estimated on the date of grant using the Black-Scholes option-pricing model with the following weighted-average assumptions: | | | | | | | | | | | | | | | | | | | Year Ended December 31, | | 2025 | | 2024 | | 2023 | | Expected term (in years) | 0.49 - 0.99 | | 0.50 - 1.00 | | 0.49 - 1.00 | | Expected volatility | 54.4% - 84.5% | | 51.3% - 71.2% | | 58.5% - 79.7% | | Risk-free interest rate | 3.9% - 4.3% | | 4.5% - 5.3% | | 5.0% - 5.5% | | Expected dividend yield | 0% | | 0% | | 0% |
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| Summary of Stock-Based Compensation Expense |
Total stock-based compensation expense was as follows (in thousands): | | | | | | | | | | | | | | | | | | | Year Ended December 31, | | 2025 | | 2024 | | 2023 | | Cost of revenue - subscription | $ | 26,850 | | | $ | 27,133 | | | $ | 25,620 | | | Cost of revenue - services | 6,659 | | | 9,306 | | | 11,096 | | | Research and development | 187,147 | | | 166,468 | | | 139,809 | | | Sales and marketing | 123,135 | | | 134,015 | | | 124,568 | | | General and administrative | 53,534 | | | 58,738 | | | 48,740 | | | Stock-based compensation, net of amounts capitalized | $ | 397,325 | | | $ | 395,660 | | | $ | 349,833 | | | Capitalized stock-based compensation | 16,623 | | | 19,891 | | | 17,943 | | | Total stock-based compensation | $ | 413,948 | | | $ | 415,551 | | | $ | 367,776 | |
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