v3.26.1
Stock-Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2026
Share-Based Payment Arrangement [Abstract]  
Schedule of Disclosure of Share-based Compensation Arrangements by Share-based Payment Award
RSU activity for the six months ended June 30, 2026 was as follows:

RSUsWeighted-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)
(2,222,763)$5.52 
Forfeited
(581,517)$6.21 
RSUs unvested as of June 30, 2026
6,407,747$5.39 
________________
(1) Includes 36,000 RSUs that were settled in cash upon vesting. The Company expects to settle substantially all other outstanding RSUs in shares, with a limited number of specifically identified grants expected to be settled in cash. The shares underlying the cash-settled RSUs were returned to the applicable equity incentive plan and became available for future issuance.
PSU activity for the six months ended June 30, 2026 was as follows:
PSUsWeighted-average grant date fair value per unit
PSUs unvested as of December 31, 2025
—$— 
Granted
1,042,253 $4.18 
Vested
— $— 
Forfeited
(22,436)$7.03 
PSUs unvested as of June 30, 2026
1,019,817$4.12 
Schedule of Stock Option Activity
Warrant activity for the six months ended June 30, 2026 was as follows:
Warrant SharesWeighted-average grant date fair value per warrant
Warrants unvested as of December 31, 2025
—$— 
Granted
4,194,876 $5.18 
Vested
— $— 
Forfeited
— $— 
Warrants unvested as of June 30, 2026
4,194,876$5.18 
A summary of stock option activity under the Company’s equity plans and related information is as follows (in thousands, except share, price and year data):
Outstanding
stock
options
Weighted-
average
exercise
price
Weighted-
average
remaining
contractual
life (years)		Aggregate
intrinsic
value
Balance as of December 31, 2025
4,498,025 $8.42 
Options granted— $— 
Options exercised(777,020)$3.90 
Options canceled(157,480)$12.27 
Balance as of June 30, 2026
3,563,525 $9.23 3.95$29,248 
Vested and exercisable as of June 30, 2026
3,563,525 $9.23 3.95$29,248 
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 WarrantAdditional 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—%—%
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 three months ended June 30, 2026 and 2025. There were no ESPP offerings or modification events requiring an estimation of fair value during the three months ended March 31, 2026 and 2025.
Three Months Ended June 30,
20262025
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—%—%
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 June 30,
Six Months Ended June 30,
2026202520262025
Cost of revenue
$531 $432 $989 $852 
Research and development
3,426 3,272 6,307 6,739 
Sales and marketing
2,090 1,881 3,733 3,678 
General and administrative
3,109 1,719 5,028 3,394 
Total stock-based compensation expense
$9,156 $7,304 $16,057 $14,663 
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 six months ended June 30, 2026 (in thousands):
Three Months Ended June 30, 2026Six Months Ended June 30, 2026
Stock-based Compensation
Sales and marketing$39 $105 
General and administrative358 481 
Total$397 $586