Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v3.20.2
Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2020
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Summary of RSU Activity

The following is a summary of RSU activity under our 2014 EIP and Inducement Plan:

 

 

RSUs

 

 

 

Shares

 

 

Weighted

Average

Grant Date Fair Value

 

Unvested as of December 31, 2019

 

 

1,910,764

 

 

$

26.93

 

Granted

 

 

3,657,440

 

 

$

11.93

 

Forfeited

 

 

(408,614

)

 

$

19.75

 

Vested

 

 

(771,145

)

 

$

22.80

 

Unvested as of June 30, 2020

 

 

4,388,445

 

 

$

15.82

 

 

Summary of Stock Option Activity

The following is a summary of stock option activity under our 2014 EIP and Inducement Plan. The table below also includes the activity relating to options for 275,000 shares of our common stock which were issued in 2017 outside of these plans:

 

 

 

Shares

 

 

Weighted Average

Exercise Price

 

 

Weighted Average

Remaining

Contractual Term

(Years)

 

 

Aggregate Intrinsic

Value

(in thousands)

 

Outstanding as of December 31, 2019

 

 

6,934,262

 

 

$

28.25

 

 

 

 

 

 

 

 

 

Granted

 

 

2,341,925

 

 

 

11.63

 

 

 

 

 

 

 

 

 

Exercised

 

 

(118,719

)

 

 

13.52

 

 

 

 

 

 

 

 

 

Forfeited or expired

 

 

(661,452

)

 

 

31.15

 

 

 

 

 

 

 

 

 

Outstanding as of June 30, 2020

 

 

8,496,016

 

 

$

23.65

 

 

 

6.6

 

 

$

8,270

 

Schedule of Common Stock Reserved for Future Issuance Under Equity Incentive Plans

The following shares of common stock were reserved for future issuance under our equity incentive plans as of June 30, 2020:

 

 

Total Shares

Reserved

 

2014 Equity Incentive Plan

 

14,127,804

 

2018 Inducement Plan

 

1,141,086

 

2014 Employee Stock Purchase Plan

 

1,066,654

 

Total reserved shares of common stock

 

16,335,544

 

 

Schedule of Stock-based Compensation, Related to Employee and Nonemployee Stock Awards

Total stock-based compensation expense related to all employee and non-employee stock awards was as follows:

 

 

Three Months Ended June 30,

 

 

Six Months Ended June 30,

 

 

2020

 

 

2019

 

 

2020

 

 

2019

 

 

(in thousands)

 

 

(in thousands)

 

Research and development

$

8,540

 

 

$

6,672

 

 

$

16,190

 

 

$

12,737

 

General and administrative

 

5,408

 

 

 

8,529

 

 

 

10,402

 

 

 

14,733

 

Total stock-based compensation expense

$

13,948

 

 

$

15,201

 

 

$

26,592

 

 

$

27,470