v3.26.1
Stock-based Compensation and Other Employee Matters (Tables)
12 Months Ended
Dec. 31, 2025
Stock-based Compensation and Other Employee Matters  
Schedule of weighted average valuation assumptions for stock options

For the Year Ended

 

December 31, 

 

  ​ ​ ​

2025

  ​ ​ ​

2024

 

Per share fair value of common stock

$

14.44

$

4.62

Expected volatility

 

67.72 - 70.82

%  

 

73.79

%

Expected dividends

 

%  

 

%

Expected term (in years)

 

5.50 - 6.25

 

5.94

Risk-free rate

 

3.7 - 4.0

%  

 

3.9

%

Schedule of stock option activity

The following table summarizes option activity during the year ended December 31, 2025:

Weighted-

Weighted-Average

Number of

Average Exercise

Remaining Contractual 

Intrinsic Value (In

  ​ ​ ​

Options

  ​ ​ ​

Price

  ​ ​ ​

Term (In Years)

  ​ ​ ​

Thousands)

Outstanding as of January 1, 2025

 

729,010

$

3.21

 

6.06

$

2,914

Granted (1)

 

505,440

 

14.44

 

 

Exercised (2)

 

(26,529)

 

20.07

 

 

Forfeited/expired (3)

 

(109,162)

 

319.57

 

 

Options assumed from Cara upon Merger closing

113,487

319.80

Outstanding as of December 31, 2025

 

1,212,246

$

8.68

 

6.83

$

1,086

Options exercisable as of December 31, 2025

 

701,913

$

4.95

 

5.04

$

1,075

Vested and expected to vest as of December 31, 2025

 

1,212,246

$

8.68

 

6.83

$

1,086

(1)Includes one-time retention options of 105,500 granted in December 2025 for certain of the Company’s employees to support retention and continued execution of key clinical and operational objectives. The retention options were granted pursuant to the Company’s standard exercise and vesting terms.
(2)Includes 21,665 of exercises of assumed Cara options after the Merger closed.
(3)Includes 83,293 of assumed Cara options that expired after the Merger closed.
Schedule of classification of stock-based compensation

The following table illustrates the classification of stock-based compensation in the consolidated statements of operations and comprehensive loss (in thousands):

For the Year Ended

December 31, 

  ​ ​ ​

2025

  ​ ​ ​

2024

Research and development

$

340

$

169

General and administrative

 

1,059

 

150

Total stock-based compensation

$

1,399

$

319