XML 33 R27.htm IDEA: XBRL DOCUMENT v3.25.3
Stockholders' Equity (Tables)
9 Months Ended
Sep. 30, 2025
Stockholders' Equity Note [Abstract]  
Summary of Stock Option Activity

The following table summarizes the option activity under the 2020 Plan and 2015 Plan during the nine months ended September 30, 2025:

 

 

Number of shares

 

 

Weighted
average
exercise
price

 

 

Weighted
average
remaining
contractual
term
(in years)

 

 

Aggregate
Intrinsic Value

 

Outstanding at December 31, 2024

 

 

9,069,194

 

 

$

10.55

 

 

 

7.0

 

 

$

263

 

Granted

 

 

4,450,219

 

 

 

2.12

 

 

 

 

 

 

 

Forfeited

 

 

(2,570,533

)

 

 

5.64

 

 

 

 

 

 

 

Outstanding at September 30, 2025

 

 

10,948,880

 

 

$

8.28

 

 

 

6.3

 

 

$

668

 

Exercisable at September 30, 2025

 

 

6,151,152

 

 

$

12.14

 

 

 

4.1

 

 

$

27

 

Vested and expected to vest at September 30, 2025

 

 

10,948,880

 

 

$

8.28

 

 

 

6.3

 

 

$

668

 

Summary of Restricted Stock Unit Activity

The following table summarizes the restricted stock unit activity under the 2020 Plan during the nine months ended September 30, 2025:

 

 

 

Number of shares

 

 

Weighted average
grant date fair value per share

 

 

Weighted
average
remaining
contractual
term
(in years)

 

Outstanding at December 31, 2024

 

 

1,167,911

 

 

$

6.71

 

 

 

1.4

 

Granted

 

 

778,078

 

 

 

2.50

 

 

 

 

Vested

 

 

(327,242

)

 

 

6.87

 

 

 

 

Forfeited

 

 

(957,111

)

 

 

4.87

 

 

 

 

Outstanding at September 30, 2025

 

 

661,636

 

 

$

4.34

 

 

 

1.5

 

Summary of Share-based Compensation Expense

Share-based compensation expense for the three and nine months ended September 30, 2025 and 2024 was as follows (in thousands):

 

 

 

Three Months Ended
September 30,

 

 

Nine Months Ended
September 30,

 

 

 

2025

 

 

2024

 

 

2025

 

 

2024

 

Research and development

 

$

541

 

 

$

1,793

 

 

$

2,532

 

 

$

6,198

 

General and administrative

 

 

1,232

 

 

 

2,262

 

 

 

4,128

 

 

 

6,639

 

Total share-based compensation

 

$

1,773

 

 

$

4,055

 

 

$

6,660

 

 

$

12,837