v3.26.3
Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2026
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity
A summary of the stock option activity is as follows:
Number of
options
Weighted
average
exercise
price
Weighted
average
remaining
contractual
life
Aggregate
intrinsic
value
(In thousands)(In years)(In thousands)
Balance as of December 31, 202515,170 $4.02 3.99$14,414 
Exercised(110)$0.87 
 
$147 
Canceled(642)$12.34 
 
 
Balance as of September 30, 202614,418 $3.67 3.29$356 
Vested and exercisable as of September 30, 202614,188 $3.69 3.29$356 
Schedule of RSU and PSU Activity
A summary of the Company’s RSU activity and related information is as follows:
Number of RSUs
Weighted
average
grant date fair value per share
(In thousands)
Balance as of December 31, 202512,739 $2.84 
Granted7,068 $1.72 
Vested(6,482)$2.39 
Forfeited
(1,513)$2.60 
Balance as of September 30, 202611,812 $2.45 
A summary of the Company’s PSU activity and related information is as follows:
Number of PSUs
Weighted
average
grant date fair value per share
(In thousands)
Balance as of December 31, 20257,260 $2.06 
Granted992 $0.45 
Canceled and forfeited
(875)$1.10 
Balance as of September 30, 20267,377 $1.98 
Schedule of Valuation Assumptions
The estimated weighted-average grant date fair value of the PSU awards granted during the first quarter of 2026 was $0.45 per share, which was determined using a Monte Carlo simulation model. The significant assumptions in the Monte Carlo simulation model include the risk-free interest rate, expected volatility of the Company’s stock price, and expected life of the award.

Fair value of common stock
$1.75
Remaining contractual term (years)
3.87
Expected volatility
90%
Risk-free interest rate
3.57%
Expected dividend yield
—
The remaining tranches were valued using a Monte Carlo simulation model. The weighted average estimated fair value of the remaining tranches was $3.80 per share based on the following assumptions:
Fair value of common stock$18.00
Remaining contractual term (years)14.75
Expected volatility40.00%
Risk-free interest rate1.71%
Expected dividend yield—
Schedule of Stock-Based Compensation Expense
The Company’s stock-based compensation expense was as follows:

Three Months Ended September 30,Nine Months Ended September 30,
2026202520262025
(In thousands)(In thousands)
Cost of revenue$147 $123 $415 $409 
Research and development(1)
1,454 1,663 4,611 4,619 
Sales and marketing991 699 2,067 2,037 
General and administrative3,441 5,314 12,698 14,412 
Total$6,033$7,799$19,791$21,477
____________
(1) Net of $0.1 million and $0.3 million of additions to capitalized internal-use software for the three and nine months ended September 30, 2026 and $0.6 million and $2.8 million for the three and nine months ended September 30, 2025.