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STOCK-BASED COMPENSATION AWARDS (Tables)
3 Months Ended
Mar. 31, 2026
STOCK-BASED COMPENSATION AWARDS  
Schedule of stock-based compensation expense

Total stock-based compensation expense related to all equity plans was allocated as follows (in thousands):

Three months ended March 31, 

  ​ ​ ​

2026

  ​ ​ ​

2025

Research and development

 

$

5,097

 

$

5,867

General and administrative

 

3,618

 

3,192

Total stock-based compensation expense

$

8,715

$

9,059