Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v3.21.1
Stockholders' Equity (Tables)
3 Months Ended
Mar. 31, 2021
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, 2020

 

 

3,829,620

 

 

$

15.91

 

Granted

 

 

2,645,345

 

 

$

17.19

 

Forfeited

 

 

(170,491

)

 

$

15.33

 

Vested

 

 

(509,869

)

 

$

22.15

 

Unvested as of March 31, 2021

 

 

5,794,605

 

 

$

15.96

 

 

Summary of Stock Option Activity

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

 

 

 

Shares

 

 

Weighted Average

Exercise Price

 

 

Weighted Average

Remaining

Contractual Term

(Years)

 

 

Aggregate Intrinsic

Value

(in thousands)

 

Outstanding as of December 31, 2020

 

 

7,851,886

 

 

$

22.89

 

 

 

6.4

 

 

$

26,834

 

Granted

 

 

1,475,153

 

 

 

17.23

 

 

 

 

 

 

 

 

 

Exercised

 

 

(107,789

)

 

 

16.23

 

 

 

 

 

 

 

 

 

Forfeited or expired

 

 

(168,822

)

 

 

31.46

 

 

 

 

 

 

 

 

 

Outstanding as of March 31, 2021

 

 

9,050,428

 

 

$

21.89

 

 

 

6.9

 

 

$

7,595

 

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 March 31, 2021:

 

 

Total Shares

Reserved

 

2014 Equity Incentive Plan

 

17,170,258

 

2018 Inducement Plan

 

2,621,086

 

2014 Employee Stock Purchase Plan

 

1,181,572

 

Total reserved shares of common stock

 

20,972,916

 

 

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 March 31,

 

 

 

2021

 

 

2020

 

 

 

(in thousands)

 

Research and development

 

$

7,530

 

 

$

7,650

 

General and administrative

 

 

4,738

 

 

 

4,994

 

Total stock-based compensation expense

 

$

12,268

 

 

$

12,644