v3.26.3
Stockholders’ Equity (Tables)
 9 Months Ended
Sep. 30, 2026
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
September 30,		Nine Months Ended
September 30,
2026202520262025
Research and development expense$1,325 $388 $4,398 $7,413 
General and administrative expense1,889 4,440 5,228 10,187 
Total share-based compensation expense$3,214 $4,828 $9,626 $17,600 
Share-based compensation expense by type of share-based award (in thousands):
Three Months Ended
September 30,		Nine Months Ended
September 30,
2026202520262025
Stock Options$2,016 $2,602 $6,302 $10,650 
Employee Stock Purchase Plan73 34 209 130 
RSUs
1,125 2,192 3,115 6,820 
$3,214 $4,828 $9,626 $17,600 
Schedule of Fair Value Assumptions for Stock Options The fair value of the stock options granted during the nine months ended September 30, 2026 and September 30, 2025 was determined with the following assumptions:
September 30, 2026September 30, 2025
Expected volatility
64.0% - 91.8%
55.9% - 67.2%
Average expected term (in years)
6.0 - 6.1
6.0 - 6.1
Risk-free interest rate
3.8% - 4.6%
3.9% - 4.4%
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 September 30, 2026
ESPP
Volatility56.5 %
Expected term (years)0.5
Risk free rate3.7 %
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):

September 30, 2026
Unrecognized
Expense		Remaining
Weighted-Average Recognition Period
(years)
Stock options$16,397 2.56
RSUs$2,977 1.03