v3.26.1
Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2026
Stock-Based Compensation  
Schedule of Information Related to Stock Options Outstanding

Information related to stock options outstanding as of June 30, 2026, is as follows (in thousands, except share, exercise price, and contractual term):

  ​ ​ ​

  ​ ​ ​

  ​ ​ ​

Weighted-Average

  ​ ​ ​

Weighted-

Remaining

Number of

Average

Contractual Term

Aggregate Intrinsic

Stock Options

Exercise Price

(Years)

Value

Outstanding, December 31, 2025

 

11,289,920

$

7.33

 

5.6

$

877

Granted

 

2,215,309

$

4.09

 

  ​

 

  ​

Exercised

 

(7,458)

$

2.95

 

  ​

 

  ​

Forfeited or expired

 

(1,456,559)

$

8.14

 

  ​

 

  ​

Outstanding, June 30, 2026

 

12,041,212

$

6.64

 

5.9

$

584

Exercisable, June 30, 2026

 

5,862,145

$

8.64

 

5.9

$

494

Vested and expected to vest, June 30, 2026

 

11,288,964

$

6.75

 

5.9

$

576

Schedule of Stock-based Compensation Expense

Stock-based compensation expense is classified in the unaudited consolidated statements of operations and comprehensive loss for the three and six months ended June 30, 2026 and 2025 as follows (in thousands):

  ​ ​ ​

Three Months Ended

  ​ ​ ​

Six Months Ended

June 30, 

June 30, 

2026

  ​ ​ ​

2025

2026

  ​ ​ ​

2025

Research and development

$

1,091

$

1,553

$

2,323

$

3,329

General and administrative

 

1,697

 

2,013

 

3,843

 

4,252

Total

$

2,788

$

3,566

$

6,166

$

7,581