Annual report pursuant to Section 13 and 15(d)

Compensation and Other Benefit Plans (Tables)

v3.20.1
Compensation and Other Benefit Plans (Tables)
12 Months Ended
Dec. 31, 2019
Compensation and Other Benefit Plans  
Stock Option Activity

The following table summarizes the Company’s stock option activity for the year ended December 31, 2019:

 

 

 

 

 

 

 

 

 

 

 

 

 

    

 

    

Weighted

    

Weighted

    

Aggregate

 

 

 

 

Average

 

Average

 

Intrinsic

 

 

 

 

Exercise

 

Contractual 

 

Value

 

 

Number of

 

Price

 

Term

 

(in

 

 

shares

 

Per Share

 

(in years)

 

thousands)

Outstanding at beginning of year

 

1,624,746

 

$

23.09

 

7.5

 

$

8,104

Granted

 

438,814

 

 

14.84

 

  

 

 

  

Exercised

 

(55,759)

 

 

4.90

 

  

 

 

  

Forfeited, expired or cancelled

 

(168,178)

 

 

36.78

 

  

 

 

  

Outstanding at end of period

 

1,839,623

 

$

20.42

 

6.88

 

$

26,829

Exercisable at end of period

 

1,471,669

 

$

21.60

 

6.37

 

$

22,569

 

Weighted Average Assumptions

The fair value of stock options granted during the years ended December 31, 2019 and 2018, was estimated based on the following weighted average assumptions for:

 

 

 

 

 

 

 

 

 

Year Ended December 31, 

 

 

    

2019

    

2018

 

Dividend yield

 

 0

%  

 0

%

Expected volatility

 

102

%  

101

%

Risk-free interest rate

 

2.42

%  

2.72

%

Expected term

 

5.62 years

 

5.60 years

 

 

Stock-based Compensation Expense

The following table shows total stock-based compensation expense for stock options, RSUs and ESPP in the consolidated statements of operations and comprehensive loss (in thousands):

 

 

 

 

 

 

 

 

 

 

Year Ended December 31, 

 

    

2019

    

2018

Research and development

 

$

204

 

$

369

General and administrative

 

 

4,744

 

 

3,533

Total stock-based compensation expense

 

$

4,948

 

$

3,902