v3.26.1
Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2026
Stock-Based Compensation [Abstract]  
Schedule of Weighted-Average Assumptions Used in Calculating the Fair Value of the Awards

The following table summarizes the weighted-average assumptions used in calculating the fair value of the awards for the three months ended March 31, 2026 and 2025:

 

   Three Months Ended
March 31,
 
   2026   2025 
Expected term (in years)   6.0    6.0 
Expected volatility   87.4%   96.0%
Risk-free interest rate   3.9%   4.5%
Expected dividend yield   
    
 
Schedule of Stock Option Activity

The following table summarizes the stock option activities under the 2024 Plan and the 2024 Stock Plan for the three months ended March 31, 2026:

 

   Number of
Stock
Options
Outstanding
   Weighted
Average
Exercise
Price
Per Share
   Weighted
Average
Remaining
Contractual
Term
(in Years)
   Aggregate
Intrinsic
Value
(in Thousands)
 
Balance as of December 31, 2025   3,950,958   $12.61    8.9   $69,966 
Granted   1,482,951   $34.31           
Exercised   (58,593)  $11.91           
Canceled/forfeited   (77,965)  $15.04           
Balance as of March 31, 2026   5,297,351   $18.66    9.0   $160,987 
Vested and expected to vest, March 31, 2026   5,297,351   $18.66    9.0   $160,987 
Exercisable, March 31, 2026   1,269,986   $12.11    8.4   $46,912 
Schedule of RSU and RSA Activity

The following table summarizes the RSU activity for the three months ended March 31, 2026:

 

   Number of
RSUs
Outstanding
  

Weighted
Average
Grant Date

Fair Value

 
Unvested as of December 31, 2025   
   $
 
Granted   421,019   $34.43 
Vested   (24,611)  $34.37 
Canceled/forfeited   (263)  $34.39 
Unvested as of March 31, 2026   396,145   $34.44 

The following table summarizes the restricted stock awards (“RSA”) activity for the three months ended March 31, 2026:

 

   Number of
RSAs
   Weighted
Average
Grant Date
Fair Value
 
Unvested balance as of December 31, 2025   1,149,589   $
 
Granted   
   $
 
Vested   (125,719)  $
 
Canceled/ forfeited   
   $
            —
 
Unvested balance as of March 31, 2026   1,023,870   $
 
Schedule of Employee Warrant Activity

The following table summarizes the employee warrant activity during the three months ended March 31, 2026:

 

   Number of
Employee
Warrants
Outstanding
   Weighted
Average
Exercise
Price
Per Share
   Weighted
Average
Remaining
Contractual
Term
(in Years)
   Aggregate
Intrinsic
Value
(in Thousands)
 
Balance as of December 31, 2025   3,029,510   $7.80    8.5   $68,194 
Granted   
   $
           
Exercised   (137,003)  $7.80           
Canceled/forfeited   (124,996)  $7.80           
Balance as of March 31, 2026   2,767,511   $7.80    8.3   $114,160 
Vested and expected to vest, March 31, 2026   2,767,511   $7.80    8.3   $114,160 
Exercisable, March 31, 2026   1,265,741   $7.80    8.3   $52,212 
Schedule of Company’s Stock-Based Compensation Expense

The following table summarizes the classification of the Company’s stock-based compensation expense in the condensed consolidated statements of operations (in thousands):

 

   Three Months Ended
March 31,
 
   2026   2025 
Research and development  $3,579   $3,003 
General and administrative   3,389    1,880 
Total  $6,968   $4,883 
Schedule of Award Types of Company’s Stock-Based Compensation Expense

The following table summarizes the award types of the Company’s stock-based compensation expense in the condensed consolidated statements of operations (in thousands): 

 

   Three Months Ended
March 31,
 
   2026   2025 
Paruka Warrant Obligation  $
   $1,415 
Employee warrants   1,128    1,551 
Stock options   4,737    1,889 
Restricted stock units   1,018    
 
Employee stock purchase plan   85    28 
Total  $6,968   $4,883