v3.26.1
Stock-Based Awards (Tables)
6 Months Ended
Jun. 30, 2026
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity
A summary of stock option activity under all plans and related information was as follows (in thousands, except weighted average exercise price):
Options Outstanding
Number of SharesWeighted-
Average
Exercise Price
(per share)
Weighted-Average Remaining Contractual Term
(in years)
Aggregate Intrinsic Value
(in thousands)
Balance at December 31, 20253,157 $5.18 7.0$2,282 
Granted1,480 $2.22 
Exercised(148)$0.06 
Cancelled/Forfeited(71)$0.06 
Balance at June 30, 2026
4,418 $4.44 7.8$1,945 
Options exercisable at June 30, 2026
1,982 $4.48 6.1$1,903 
Schedule of Stock Based Compensation Expense
Stock-based compensation expense has been allocated to operating expenses as follows (in thousands):
Three months ended June 30,Six months ended June 30,
2026202520262025
Research and development$237 $212 $538 $420 
General and administrative814 678 1,590 1,426 
Total stock-based compensation expense$1,051 $890 $2,128 $1,846