v3.25.2
Common Stock (Tables)
6 Months Ended
Jun. 30, 2025
Equity [Abstract]  
Summary of Stock Option Activity

A summary of stock option activity is presented below:

 

 

Number of
Shares

 

 

Weighted
Average
Exercise Price
(1)

 

 

Weighted
Average
Remaining
Contractual
Term (years)

 

 

Aggregate
Intrinsic
Value

 

Outstanding as of January 1, 2025

 

 

11,231,148

 

 

$

10.63

 

 

 

7.4

 

 

$

989

 

Granted

 

 

3,093,050

 

 

 

1.71

 

 

 

 

 

 

 

Forfeited/Cancelled

 

 

(84,325

)

 

 

10.82

 

 

 

 

 

 

 

Outstanding as of June 30, 2025

 

 

14,239,873

 

 

$

8.69

 

 

 

7.3

 

 

$

408

 

Options Exercisable at June 30, 2025

 

 

7,092,424

 

 

$

9.30

 

 

 

6.0

 

 

$

373

 

(1) The weighted average exercise prices and aggregate intrinsic values in this table will not reflect the impact of the May 2025 repricing until the retention period is complete in May 2026.

Schedule of Assumptions Used to Estimate Fair Value of Stock Options The fair value of each award is estimated using Black-Scholes based on the following assumptions:

 

 

 

Six months ended June 30,

 

 

2025

 

2024

Risk-free interest rate

 

3.94%—4.46%

 

3.78%—4.60%

Expected term

 

5.5 years—6.1 years

 

5.5 years—6.2 years

Expected volatility

 

112%—118%

 

104%—110%

Expected dividend yield

 

0%

 

0%

Summary of Stock-Based Compensation

The Company has recorded stock-based compensation in the accompanying statements of operations as follows:

 

 

 

Three months ended
June 30,

 

 

Six months ended
June 30,

 

 

 

2025

 

 

2024

 

 

2025

 

 

2024

 

Research and development

 

$

3,289

 

 

$

2,596

 

 

$

5,955

 

 

$

4,556

 

General and administrative

 

 

2,416

 

 

 

2,417

 

 

 

4,911

 

 

 

4,248

 

Total

 

$

5,705

 

 

$

5,013

 

 

$

10,866

 

 

$

8,804