v3.26.1
STOCKHOLDERS' EQUITY (Tables)
6 Months Ended
Jun. 30, 2026
STOCKHOLDERS' EQUITY  
Schedule of status of stock options

Weighted

 

Weighted

Average

Number

Average

Remaining

Aggregate

of

Exercise

Contract

Intrinsic

  ​ ​ ​

Options

  ​ ​ ​

Price

  ​ ​ ​

Life (Years)

  ​ ​ ​

Value

Outstanding at December 31, 2025

18,025,891

$

15.05

Issued

508,660

 

3.46

Exercised

(8,632)

 

3.06

Expired/Cancelled

(959,598)

 

12.55

Outstanding at June 30, 2026

17,566,321

 

$

14.85

 

5.15

$

3,999,471

Ending vested and expected to vest at June 30, 2026

17,566,321

$

14.85

5.15

$

3,999,471

Options exercisable at June 30, 2026

 

14,570,654

$

17.08

 

4.35

$

662,461

Schedule of RSU activity including PRSUs

Weighted

Number

Average

of

Grant Date

  ​ ​ ​

RSUs and PRSUs

  ​ ​ ​

Fair Value

Outstanding at December 31, 2025

9,080,465

$

7.71

Granted

7,899,200

5.32

Vested/Released

(2,904,310)

7.24

Canceled/Forfeited

(1,363,827)

6.68

Outstanding at June 30, 2026

12,711,528

$

6.44

Ending vested and expected to vest at June 30, 2026

12,010,433

$

6.53

Schedule of stock-based compensation by type of award

Total stock-based compensation expense by type of award was as follows (in thousands):

Three Months Ended

Six Months Ended

June 30, 

June 30, 

  ​ ​ ​

2026

  ​ ​ ​

2025

  ​ ​ ​

2026

  ​ ​ ​

2025

Stock option expense

$

1,656

$

3,485

$

3,978

$

7,278

Restricted stock expense

 

9,847

 

11,128

 

18,539

 

29,880

ESPP expense

 

230

 

330

 

485

 

700

Total stock-based compensation expense

$

11,733

$

14,943

$

23,002

$

37,858