v3.26.1
Stock-based compensation (Tables)
 3 Months Ended
Jun. 30, 2026
Share-Based Payment Arrangement [Abstract]  
Schedule of stock-based compensation expense
Stock-based compensation expense was classified in the consolidated statements of operations as follows:
Three Months Ended
June 30,
20262025
Research and development$3,615 $4,689 
Selling, general and administrative4,059 4,073 
$7,674 $8,762 
     The following table summarizes stock-based compensation expense by award type for the three months ended June 30, 2026 and 2025:
Three Months Ended
June 30,
20262025
Stock options$3,460 $4,137 
Restricted and performance stock units
4,214 4,625 
$7,674 $8,762 
Schedule of assumptions used to determine the grant-date fair value of stock options granted
The following table presents, on a weighted-average basis, the assumptions that the Company used to determine the grant-date fair value of stock options granted to employees and directors:
Three Months Ended
June 30,
20262025
Risk-free interest rate4.06 %3.97 %
Expected term (in years)6.06.0
Expected volatility106.7 %76.3 %
Expected dividend yield0 %0 %
Schedule of of stock option activity
The following table summarizes the Company’s stock option activity:
Number of
Shares		Weighted
Average
Exercise
Price		Weighted
Average
Contractual
Term (Years)		Aggregate
Intrinsic
Value
Outstanding as of March 31, 202611,785,458 $14.12 5.63$4,323 
Granted2,167,083 7.63 
Exercised(118,075)8.49 
Cancelled(1,341,594)14.53 
Outstanding as of June 30, 202612,492,872 13.00 5.7125,470 
Options exercisable as of June 30, 20268,594,036 14.99 4.2314,195 
Options vested and expected to vest as of June 30, 202612,492,872 $13.00 5.71$25,470 
Schedule of share-based payment arrangement, restricted stock and restricted stock unit, activity
A summary of the changes in the Company’s RSUs and PSUs during the three months ended June 30, 2026 is as follows:
Number of Restricted SharesWeighted
Average
Grant Date Fair Value
Outstanding as of March 31, 20265,508,882 $9.69 
Granted2,510,630 7.65 
Vested(1,144,368)10.47 
Cancelled(2,049,553)8.79 
Outstanding as of June 30, 20264,825,591 $8.82