v3.26.1
Stock-Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2026
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Summary of Unvested Common Stock Activity The following table presents a summary of the unvested common stock activity:

Unvested Common Stock

 

Number of Shares

 

 

Weighted-Average
Grant Date
Fair Value

 

Outstanding as of December 31, 2025

 

 

61,127

 

 

$

55.85

 

Vested

 

 

(35,221

)

 

 

41.96

 

Forfeited

 

 

(12,054

)

 

 

92.52

 

Outstanding as of June 30, 2026

 

 

13,852

 

 

$

59.26

 
Summary of Restricted Stock Unit Activity

The following table presents a summary of the restricted stock unit activity:

Restricted Stock Units

 

Number of
Shares

 

 

Weighted-Average
Grant Date
Fair Value

 

Outstanding as of December 31, 2025

 

 

2,317,315

 

 

$

2.29

 

Granted

 

 

271,571

 

 

 

1.35

 

Vested

 

 

(104,624

)

 

 

4.86

 

Forfeited

 

 

(219,109

)

 

 

4.12

 

Outstanding as of June 30, 2026

 

 

2,265,153

 

 

$

1.88

 
Summary of Classification of Stock-based Compensation Expense

The following table presents the classification of stock-based compensation expense for the periods presented (in thousands):

 

 

Three Months Ended
June 30,

 

 

Six Months Ended
June 30,

 

 

2026

 

 

2025

 

 

2026

 

 

2025

 

Research and development expenses

 

$

861

 

 

$

1,414

 

 

$

1,724

 

 

$

2,694

 

General and administrative expenses

 

 

1,407

 

 

 

1,807

 

 

 

3,096

 

 

 

3,455

 

Total

 

$

2,268

 

 

$

3,221

 

 

$

4,820

 

 

$

6,149

 
Employee Stock Option  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Summary of Profits Units Activity and Stock Option Activity

The following table presents a summary of the stock option activity:

Stock Options

 

Number of Shares

 

 

Weighted-Average
Exercise Price

 

Outstanding as of December 31, 2025

 

 

3,960,489

 

 

$

6.57

 

Granted

 

 

1,161,633

 

 

 

1.34

 

Forfeited/Expired

 

 

(773,144

)

 

 

6.11

 

Outstanding as of June 30, 2026

 

 

4,348,978

 

 

$

5.25

 

Exercisable as of June 30, 2026

 

 

1,636,998

 

 

$

8.22