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Stock Based Compensation (Tables)
3 Months Ended
Mar. 31, 2025
Share-Based Payment Arrangement [Abstract]  
Summary of Stock Option Activity

The following table summarizes stock option activity for the three months ended March 31, 2025:

 

 

 

Number of Shares
Underlying
Outstanding
Options

 

 

Weighted-
Average Exercise
Price

 

 

Weighted-
Average
Remaining
Contractual Term
(Years)

 

Outstanding — December 31, 2024

 

 

18,077,869

 

 

$

1.75

 

 

 

6.0

 

Options granted

 

 

952,000

 

 

$

10.35

 

 

 

 

Options exercised

 

 

(1,273,931

)

 

$

0.75

 

 

 

0.0

 

Options forfeited and cancelled

 

 

 

 

 

 

 

 

Outstanding — March 31, 2025

 

 

17,755,938

 

 

$

2.28

 

 

 

6.2

 

Exercisable — March 31, 2025

 

 

16,218,519

 

 

$

1.55

 

 

 

5.9

 

 

Summary of Weighted-Average Grant Date Fair Value of Options and The Assumptions Used to Estimate Those Fair Value for Time-Based and Performance-Based Awards

The following table shows the weighted-average grant date fair value of options and the assumptions used to estimate the fair value for time-based awards, and for performance-based awards during the three months ended March 31, 2025 and 2024:

 

 

 

Three Months Ended March 31,

 

Time-based and performance-based awards

 

2025

 

 

2024

 

Weighted-average grant-date fair value

 

$

7.46

 

 

$

13.13

 

Risk-free interest rate (%)

 

4.07% - 4.40%

 

 

 

4.2

%

Expected option life (in years)

 

5.41 - 6.41

 

 

 

6.0

 

Expected dividend yield (%)

 

 

%

 

 

%

Volatility (%)

 

81.5% - 84.3%

 

 

 

84.3

%

Summary of Stock-Based Compensation Expense Recognized

Total stock-based compensation expense recognized was as follows (in thousands):

 

 

 

Three Months Ended March 31,

 

 

 

2025

 

 

2024

 

General and administrative

 

$

507

 

 

$

11

 

Total stock-based compensation expense

 

$

507

 

 

$

11