v3.26.1
Stock-based Compensation (Tables)
3 Months Ended
Mar. 31, 2026
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock-Based Compensation Expense
Total compensation cost recognized for all stock-based compensation awards in the condensed consolidated statements of operations was as follows (in thousands):
Three Months Ended
March 31,
20262025
Research and development$544 $907 
General and administrative1,558 2,072 
Total stock-based compensation expense$2,102 $2,979 
Schedule of Changes in Unvested Restricted Stock
The following is a summary of restricted stock units activity for the three months ended March 31, 2026:
SharesWeighted Average Grant Date Fair Value Per Share
Unvested restricted stock units as of December 31, 2025595,730$9.11 
Issued$— 
Vested(34,038)$10.29 
Forfeited(68,003)$8.51 
Unvested restricted stock units as of March 31, 2026493,689$9.19 
Schedule of Stock Option Activity
The following is a summary of stock option activity for the three months ended March 31, 2026:
SharesWeighted Average
Exercise Price
Remaining
Contractual Life (years)
Aggregate Intrinsic
Value
Outstanding at December 31, 20258,403,694$8.37 7.65$1,395 
Granted4,424,417 $2.52 
Exercised— $— 
Expired(75,582)$12.42 
Forfeited(127,994)$2.79 
Outstanding at March 31, 202612,624,535 $6.35 8.06$3,164 
Vested and expected to vest at March 31, 202612,624,535 $6.35 8.06$3,164 
Exercisable at March 31, 20264,096,257 $13.87 5.96$630