Stock-Based Compensation (Tables)
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9 Months Ended |
Sep. 30, 2026 |
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| Share-Based Payment Arrangement [Abstract] |
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| Schedule of Disclosure of Share-based Compensation Arrangements by Share-based Payment Award |
RSU activity for the nine months ended September 30, 2026 was as follows:
| | | | | | | | | | | | | RSUs | | Weighted-average grant date fair value per unit | RSUs unvested as of December 31, 2025 | 4,609,077 | | $ | 6.44 | | Granted | 4,602,950 | | | $ | 4.50 | | Vested(1) | (2,862,688) | | | $ | 5.50 | | Forfeited | (948,758) | | | $ | 5.87 | | RSUs unvested as of September 30, 2026 | 5,400,581 | | $ | 5.38 | |
________________ (1) Includes 58,166 RSUs that were settled in cash upon vesting. The Company expects to settle substantially all other outstanding RSUs in shares, with a limited number of specifically identified grants expected to be settled in cash. The shares underlying the cash-settled RSUs were returned to the applicable equity incentive plan and became available for future issuance. PSU activity for the nine months ended September 30, 2026 was as follows: | | | | | | | | | | | | | PSUs | | Weighted-average grant date fair value per unit | PSUs unvested as of December 31, 2025 | — | | $ | — | | Granted | 1,042,253 | | | $ | 4.18 | | Vested | — | | | $ | — | | Forfeited | (35,257) | | | $ | 5.77 | | PSUs unvested as of September 30, 2026 | 1,006,996 | | $ | 4.12 | |
Warrant activity for the nine months ended September 30, 2026 was as follows: | | | | | | | | | | | | | | | | | | | | | | | | | Warrant Shares | | Weighted-average exercise price | | Weighted-
average
remaining
contractual
life (years) | | Aggregate
intrinsic
value (in thousands) | Warrants outstanding as of December 31, 2025 | — | | $ | — | | | | | | Granted | 4,194,876 | | | $ | 7.60 | | | | | | Exercised | — | | | $ | — | | | | | | Forfeited | — | | | $ | — | | | | | | Warrants outstanding as of September 30, 2026 | 4,194,876 | | $ | 7.60 | | | 6.53 | | $ | 26,805 | | Vested and expected to vest as of September 30, 2026 | 4,194,876 | | | $ | 7.60 | | | 6.53 | | $ | 26,805 | | Exercisable as of September 30, 2026 | 152,666 | | | $ | 7.60 | | | 5.72 | | $ | 976 | |
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| Schedule of Share-Based Payment Award, Equity Instruments Other Than Options, Valuation Assumptions |
The following table summarizes the Black-Scholes option pricing model used in estimating the per share grant date fair value of the customer warrants: | | | | | | | | | | | | | Initial Warrant | | Additional Warrant | Expected term (in years) | 3 - 6 | | 3 - 9 | Expected volatility | 75% - 80% | | 70% - 80% | Risk-free interest rate | 4.00% - 4.14% | | 4.00% - 4.29% | | Expected dividend yield | — | % | | — | % |
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| Schedule of Stock Option Activity |
A summary of stock option activity under the Company’s equity plans and related information is as follows: | | | | | | | | | | | | | | | | | | | | | | | | | Outstanding
stock
options | | Weighted-
average
exercise
price | | Weighted-
average
remaining
contractual
life (years) | | Aggregate
intrinsic
value (in thousands) | Balance as of December 31, 2025 | 4,498,025 | | | $ | 8.42 | | | | | | | Options granted | — | | | $ | — | | | | | | | Options exercised | (1,490,078) | | | $ | 4.83 | | | | | | | Options canceled | (159,280) | | | $ | 12.38 | | | | | | | | | | | | | | | | | | | | | | Balance as of September 30, 2026 | 2,848,667 | | | $ | 10.07 | | | 3.86 | | $ | 18,154 | | Vested and exercisable as of September 30, 2026 | 2,848,667 | | | $ | 10.07 | | | 3.86 | | $ | 18,154 | | | | | | | | | |
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| Schedule of Share-Based Payment Award, ESPP, Valuation Assumptions |
The following table summarizes the Black-Scholes option pricing model used in estimating the fair value of the stock purchase rights under the 2021 ESPP during the second quarter of 2026 and 2025. | | | | | | | | | | | | | | | 2026 | | 2025 | Expected term (in years) | 0.5 - 2.0 | | 0.5 - 2.0 | Expected volatility | 75% - 85% | | 61% - 70% | Risk-free interest rate | 3.75% - 4.04% | | 3.97% - 4.32% | | Expected dividend yield | — | % | | — | % |
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| Schedule of Share-based Payment Arrangement, Expensed and Capitalized, Amount |
Stock-based compensation expense included in the condensed consolidated statements of operations and comprehensive loss was as follows (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended September 30, | | Nine Months Ended September 30, | | | | 2026 | | 2025 | | 2026 | | 2025 | | | | | Cost of revenue | $ | 425 | | | $ | 318 | | | $ | 1,414 | | | $ | 1,170 | | | | | | Research and development | 2,422 | | | 2,564 | | | 8,729 | | | 9,303 | | | | | | Sales and marketing | 2,057 | | | 1,230 | | | 5,790 | | | 4,908 | | | | | | General and administrative | 2,759 | | | 1,333 | | | 7,787 | | | 4,727 | | | | | | Total stock-based compensation expense | $ | 7,663 | | | $ | 5,445 | | | $ | 23,720 | | | $ | 20,108 | | | | | |
The following table presents the stock-based compensation costs related to the Company’s restructuring activity as reported in the condensed consolidated statement of operations and comprehensive loss for the three and nine months ended September 30, 2026 (in thousands): | | | | | | | | | | | | | | | | | | | Three Months Ended September 30, 2026 | | Nine Months Ended September 30, 2026 | | | | | | | | | | | | | | | | Stock-based Compensation | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Sales and marketing | $ | 40 | | | $ | 145 | | | | | | | | | General and administrative | 319 | | | 800 | | | | | | | | | Total | $ | 359 | | | $ | 945 | | | | | | | |
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