v3.25.2
Stockholders’ Equity (Tables)
 6 Months Ended
Jun. 30, 2025
Equity [Abstract]  
Schedule of Share-based Compensation Expense
Total share-based compensation expense related to share based awards was comprised of the following (in thousands):
 Three Months Ended
June 30,		Six Months Ended
June 30,
2025202420252024
Research and development expense$3,643 $4,155 $7,024 $8,895 
General and administrative expense2,643 8,556 5,748 16,649 
Total share-based compensation expense$6,286 $12,711 $12,772 $25,544 
Share-based compensation expense by type of share-based award (in thousands):
Three Months Ended
June 30,		Six Months Ended
June 30,
2025202420252024
Stock Options$3,302 $9,553 $8,047 $19,427 
Employee Stock Purchase Plan34 138 96 191 
RSAs and RSUs2,950 3,020 4,629 5,926 
$6,286 $12,711 $12,772 $25,544 
Schedule of Fair Value Assumptions for Stock Options The fair value of the stock options granted during the six months ended June 30, 2025 and June 30, 2024 was determined with the following assumptions:
June 30, 2025June 30, 2024
Expected volatility
55.9% - 67.2%
75.3% - 78.4%
Average expected term (in years)
6.0 - 6.1
5.9 - 6.1
Risk-free interest rate
3.9% - 4.4%
3.8% - 4.6%
Expected dividend yield— %— %
Schedule of Fair Value Assumptions for ESPP The weighted average assumptions used to estimate the fair value of stock purchase rights under the ESPP during the period ended are as follows:
Ended June 30, 2025
ESPP
Volatility69.1 %
Expected term (years)0.5
Risk free rate4.2 %
Expected dividend yield— 
Schedule of Unrecognized Compensation Cost
Total unrecognized estimated compensation cost by type of award and the weighted average requisite service period over which such expense is expected to be recognized (in thousands, unless otherwise noted):

June 30, 2025
Unrecognized
Expense		Remaining
Weighted-Average Recognition Period
(years)
Stock options$26,251 2.58
RSUs$10,984 1.83