Annual report pursuant to Section 13 and 15(d)

Stock Based Compensation and Other Benefit Plans (Tables)

v3.24.0.1
Stock Based Compensation and Other Benefit Plans (Tables)
12 Months Ended
Dec. 31, 2023
Share-based compensation  
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 at January 1, 2023

2,025,542

$

20.24

 

6.10

$

10,804

Granted

 

804,302

 

23.44

 

 

  

Exercised

 

(28,473)

 

8.27

 

 

  

Forfeited, expired or cancelled

(71,303)

 

36.51

 

 

  

Outstanding at December 31, 2023

2,730,068

$

20.88

 

6.29

$

10,638

Exercisable at December 31, 2023

1,961,143

$

19.73

 

5.27

$

10,606

Schedule of grant date fair values of PSUs granted

Derived

Hurdle Price

Number of

Fair Value

Service Period

Per Share

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

 

Schedule of performance shares, outstanding activity

Weighted

Average

Grant Date

Number of

Fair Value

Unvested PSUs

Per Share

Unvested balance at January 1, 2023

$

Granted

 

448,600

 

15.40

Vested

 

 

Forfeited

 

Unvested balance at December 31, 2023

448,600

$

15.40

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 and ESPP in the consolidated statements of operations and comprehensive loss (in thousands):

Year Ended December 31, 

    

2023

    

2022

Total stock-based compensation expense included in G&A

$

9,099

$

3,608

2010 Plan  
Share-based compensation  
Schedule of valuation assumptions

Year Ended December 31, 

 

    

2023

    

2022

 

Dividend yield

 

0

%

0

%

Expected volatility

 

70

%

69

%

Risk-free interest rate

 

3.71

%

2.68

%

Expected term

 

5.79 years

5.64 years

Stock Option Inducement Award, Exercise price of $18.66 per share  
Share-based compensation  
Schedule of valuation assumptions

Year Ended December 31, 

 

    

2023

    

2022(1)

 

Dividend yield

 

0

%  

Expected volatility

 

69

%  

Risk-free interest rate

 

3.92

%  

Expected term

 

5.79 years

(1)No Stock Option Inducement Awards were granted during the year ended December 31, 2022.
Stock Option Inducement Award, Exercise price of $30.00 per share  
Share-based compensation  
Schedule of valuation assumptions

Year Ended December 31, 

 

    

2023

    

2022(1)

 

Dividend yield

 

0

%  

Expected volatility

 

91

%  

Risk-free interest rate

 

3.86

%  

Expected term

 

8.01 years

(1) No Stock Option Inducement Awards were granted during the year ended December 31, 2022.