Annual report pursuant to Section 13 and 15(d)

Equity Compensation Plans (Tables)

v3.10.0.1
Equity Compensation Plans (Tables)
12 Months Ended
Dec. 31, 2018
Equity Compensation Plans  
Summary of stock option activity

 

 

 

 

 

 

 

 

 

 

 

 

    

 

    

 

 

    

Weighted

 

 

 

 

 

 

 

Weighted

 

Average

 

 

 

 

 

Number of

 

Average

 

Remaining

 

Aggregate

 

 

Shares

 

Exercise

 

Contractual

 

Intrinsic

Time-Based Stock Options

 

Outstanding

 

Price

 

Term(Years)

 

Value

Outstanding at December 31, 2016:

 

4,080,264

 

$

4.65

 

4.83

 

$

17,762

Granted

 

871,375

 

 

16.91

 

 

 

 

 

Forfeited

 

(86,453)

 

 

5.47

 

 

 

 

 

Exercised

 

(560,985)

 

 

3.36

 

 

 

 

 

Outstanding at December 31, 2017:

 

4,304,201

 

$

7.28

 

5.39

 

$

90,473

Granted

 

656,250

 

 

29.48

 

 

 

 

 

Forfeited

 

(40,473)

 

 

9.56

 

 

 

 

 

Exercised

 

(1,026,807)

 

 

3.72

 

 

 

 

 

Outstanding at December 31, 2018

 

3,893,171

 

$

11.94

 

5.95

 

$

41,020

Vested and expected to vest

 

3,893,171

 

$

11.94

 

5.95

 

$

41,020

Exercisable at December 31, 2018

 

2,027,440

 

$

5.98

 

4.08

 

$

29,739

 

Summary of stock unit activity

 

 

 

 

 

 

 

 

 

 

Weighted

 

 

Number of

 

Average

 

 

Shares

 

Grant Date

Restricted and Performance Stock Units

 

Outstanding

 

Fair Value

Outstanding at December 31, 2016:

 

202,100

 

$

8.95

Granted

 

430,980

 

 

26.24

Released

 

(7,150)

 

 

8.95

Forfeited

 

(15,200)

 

 

9.49

Outstanding at December 31, 2017:

 

610,730

 

$

21.14

Granted

 

516,433

 

 

23.34

Released

 

(7,150)

 

 

8.95

Forfeited

 

(13,650)

 

 

25.89

Outstanding at December 31, 2018

 

1,106,363

 

 

22.18

 

Schedule of weighted-average assumptions for options granted

 

 

 

 

 

 

 

 

Year ended December 31,

    

2018

 

2017

    

2016

    

 

 

 

 

Expected term (in years)

 

6.22

 

6.16

 

4.60

 

Expected volatility

 

50.99

%  

50.43

%  

59.58

%

Risk free rate

 

2.70

%  

2.12

%  

1.72

%

Expected dividends

 

 —

%  

 —

%  

 —

%

 

Summary of weighted average estimated grant date fair value per share

 

 

 

 

 

 

 

 

 

 

 

 

2018

 

2017

 

2016

Stock options

 

$

15.05

 

$

8.41

 

$

3.84

Restricted and performance stock units

 

 

23.34

 

 

26.24

 

 

8.95