Annual report [Section 13 and 15(d), not S-K Item 405]

Stock Based Compensation and Other Benefit Plans (Tables)

v3.25.1
Stock Based Compensation and Other Benefit Plans (Tables)
12 Months Ended
Dec. 31, 2024
Stock Based Compensation and Other Benefit Plans  
Schedule of valuation assumptions

​

​

​

​

​

​

​

​

​

Year Ended December 31, 

 

​

    

2024

    

2023

 

Dividend yield

 

0

%

0

%

Expected volatility

 

65

%

66 - 70

%

Risk-free interest rate

 

4.35

%

3.58 - 4.73

%

Expected term

 

5.79 years

​

5.79 years

​

Schedule of stock option activity

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Weighted

    

Weighted

​

​

​

​

​

​

Average

​

Average

​

Aggregate

​

​

​

​

Exercise

​

Contractual 

​

Intrinsic

​

​

Number of

​

Price

​

Remaining Term

​

Value

​

​

shares

​

Per Share

​

(in years)

​

(in thousands)

Outstanding as of January 1, 2024

​

​

2,730,068

​

$

20.88

 

​

6.29

​

$

10,638

Granted

 

​

34,170

​

 

24.71

 

​

​

 

​

  

Exercised

 

​

(301,599)

​

 

6.08

 

​

​

 

​

  

Forfeited, expired or cancelled

​

​

(35,710)

​

 

153.47

 

​

​

 

​

  

Outstanding as of December 31, 2024

​

​

2,426,929

​

$

20.83

 

​

5.77

​

$

18,644

Exercisable as of December 31, 2024

​

​

2,054,255

​

$

20.26

 

​

5.37

​

$

17,176

Schedule of grant date fair values of PSUs granted

​

​

The range of grant date fair values of the PSUs granted in 2023 was estimated as follows:

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Derived

Hurdle Price

​

Number of

​

Fair Value

​

Service Period

Per PSU

​

PSUs

​

Per Share

​

(in years)

$

30.00

​

​

243,550

 

$

11.42-17.45

​

​

0.69-2.59

$

35.00

​

​

91,239

 

$

10.16-16.07

 

​

0.93-2.59

$

40.00

​

​

60,024

 

$

9.07-14.84

 

​

1.12-2.59

$

45.00

​

​

53,787

 

$

8.12-13.72

 

​

1.27-2.59

​

​

​

​

448,600

 

​

​

​

​

​

​

The grant date fair values of the PSUs granted in January 2024 and April 2024 was estimated as follows:

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Derived

Hurdle Price

​

Number of

​

Fair Value

​

Service Period

Per PSU

​

PSUs

​

Per Share

​

(in years)

$

30.00

​

​

165,900

 

$

18.42-19.71

​

​

0.46-0.74

$

35.00

​

​

55,290

 

$

17.24-17.67

​

​

0.66-0.96

$

40.00

​

​

34,029

 

$

15.85-16.14

​

​

0.82-1.15

$

45.00

​

​

29,781

​

$

14.20-15.13

​

​

0.95-1.31

​

​

​

​

285,000

 

​

​

​

​

​

Schedule of performance shares, outstanding activity

​

​

​

​

​

​

​

​

​

​

​

​

Weighted

​

​

​

​

Average

​

​

​

​

Grant Date

​

​

Number of

​

Fair Value

​

​

Unvested PSUs

​

Per Share

Unvested balance as of January 1, 2024

​

​

448,600

​

$

15.40

Granted

 

​

285,000

​

 

17.60

Vested

 

​

(136,483)

​

 

17.23

Forfeited

​

​

—

​

 

—

Unvested balance as of December 31, 2024

​

​

597,117

​

$

16.03

Summary of stock-based compensation expense

All stock-based compensation expense is recorded in G&A expense. The following table shows total stock-based compensation expense for stock options, PSUs, RSUs, and ESPP in the consolidated statements of operations (in thousands):

​

​

​

​

​

​

​

​

​

​

Year Ended December 31, 

​

​

2024

​

2023

Total stock-based compensation expense

​

$

10,312

​

$

9,099

​