v3.26.1
Stock-based Compensation (Tables)
6 Months Ended
Jun. 30, 2026
Stock-based Compensation  
Schedule of stock-based compensation expense

Three Months Ended

Six Months Ended

June 30, 

June 30, 

  ​ ​ ​

2026

  ​ ​ ​

2025

  ​ ​ ​

2026

  ​ ​ ​

2025

Research and development

$

3,160

$

1,495

$

5,462

$

2,480

General and administrative

 

3,505

 

1,816

 

6,688

 

3,102

Total stock-based compensation expense

$

6,665

$

3,311

$

12,150

$

5,582

Schedule of of stock options activity under the plan

Weighted

Weighted

average

average

remaining

Aggregate

exercise

contractual

Intrinsic Value

  ​ ​ ​

Options

  ​ ​ ​

price

  ​ ​ ​

term (years)

  ​ ​ ​

(in thousands)

Outstanding as of December 31, 2025

 

4,328,880

$

15.56

 

Granted

 

3,284,498

 

23.32

 

 

Exercised

 

(109,022)

 

9.48

 

Forfeited/Expired

(202,363)

21.65

Outstanding as of June 30, 2026

 

7,301,993

$

18.97

8.50

$

115,100

Exercisable as of June 30, 2026

 

2,220,464

$

11.19

 

7.02

$

52,281

Vested and expected to vest at June 30, 2026

 

7,301,993

$

18.97

8.50

$

115,100

Schedule of assumptions used in estimating the fair value of options

Six Months Ended

June 30, 

  ​ ​ ​

2026

  ​ ​ ​

2025

Risk-free interest rate

 

3.72% - 4.26%

3.92% - 4.37%

Expected term

 

5.5 - 6.1 years

 

5.5 - 6.1 years

Expected volatility

 

74.0% - 87.3%

97.2% - 98.3%

Expected dividend yield