v3.26.1
Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2026
Share-Based Payment Arrangement [Abstract]  
Summary of Stock Options Valuation Assumptions

The relevant data used to determine the fair value of the stock options during the three months ended March 31, 2026 and 2025 is as follows:

 

 

 

Three Months Ended March 31,

 

 

2026

 

 

2025

 

Expected term (in years)

 

 

6.1

 

 

 

6.1

 

Expected volatility

 

 

98.9

%

 

 

105.7

%

Risk-free interest rate

 

 

3.8

%

 

 

4.6

%

Expected dividend yield

 

 

 

 

 

 

Summary of Stock Option Activities The activity for the stock options is as follows:

 

 

 

 

 

 

Weighted

 

 

Weighted

 

 

 

 

 

 

 

 

 

Average

 

 

Average

 

 

Aggregate

 

 

 

Number of

 

 

Exercise

 

 

Contractual

 

 

Intrinsic

 

 

 

Shares

 

 

Price

 

 

Term

 

 

Value

 

 

 

 

 

 

 

 

 

(in years)

 

 

(in thousands)

 

Outstanding as of December 31, 2025

 

 

6,427,777

 

 

$

2.81

 

 

 

9.05

 

 

$

11,727

 

Options granted

 

 

2,208,040

 

 

 

4.15

 

 

 

 

 

 

 

Options exercised

 

 

(1,642

)

 

 

3.04

 

 

 

 

 

 

 

Options forfeited

 

 

(152,530

)

 

 

3.03

 

 

 

 

 

 

 

Outstanding as of March 31, 2026

 

 

8,481,645

 

 

$

3.15

 

 

 

9.10

 

 

$

32,356

 

Vested and expected to vest as of March 31, 2026

 

 

8,481,645

 

 

$

3.15

 

 

 

9.10

 

 

$

32,356

 

Options exercisable as of March 31, 2026

 

 

1,327,862

 

 

$

4.20

 

 

 

8.11

 

 

$

4,033

 

Summary of Restricted Stock Awards The Company has outstanding RSUs with service-based vesting conditions and RSUs with performance-based vesting conditions. The

activity for RSUs is as follows:

 

 

Shares

 

 

Weighted Average Grant Date Fair Value

 

Unvested at December 31, 2025

 

 

207,897

 

 

$

7.50

 

Granted

 

 

441

 

 

 

5.67

 

Vested

 

 

(563

)

 

 

2.81

 

Unvested at March 31, 2026

 

 

207,775

 

 

$

7.51

 

Summary of Share-based Compensation Expense

The following table sets forth stock-based compensation expense included in the Company’s unaudited condensed consolidated statements of operations and comprehensive loss (in thousands):

 

 

Three Months Ended March 31,

 

 

 

2026

 

 

2025

 

Research and development expenses

 

$

572

 

 

$

906

 

General and administrative expenses

 

 

1,033

 

 

 

1,116

 

Total stock-based compensation expense

 

$

1,605

 

 

$

2,022