Annual report pursuant to Section 13 and 15(d)

Stock Incentive Plan (Tables)

v3.8.0.1
Stock Incentive Plan (Tables)
12 Months Ended
Dec. 31, 2017
Stock Incentive Plan  
Schedule of weighted-average assumptions for options granted

 

 

 

 

 

 

 

 

Year ended December 31,

    

2017

 

2016

    

2015

    

 

 

 

 

Expected term (in years)

 

6.16

 

4.60

 

4.00

 

Expected volatility

 

50.43

%  

59.58

%  

69.08

%

Risk free rate

 

2.12

%  

1.72

%  

1.40

%

Expected dividends

 

 —

%  

 —

%  

 —

%

 

Summary of stock option activity

 

 

 

 

 

 

 

 

 

    

 

    

 

    

Weighted

 

 

 

 

 

 

 

Average

 

 

 

 

 

Weighted

 

Remaining

 

 

 

 

 

Average

 

Contractual

 

 

 

Stock Awards

 

Exercise Price

 

Term(Years)

 

Outstanding at December 31, 2014:

 

2,743,818

 

3.03

 

5.94

 

Granted

 

946,250

 

4.31

 

 

 

Forfeited

 

(290,478)

 

(3.12)

 

 

 

Exercised

 

(171,563)

 

(2.99)

 

 

 

Outstanding at December 31, 2015:

 

3,228,027

 

3.40

 

5.43

 

Granted

 

1,529,850

 

7.67

 

 

 

Forfeited

 

(75,938)

 

(3.74)

 

 

 

Exercised

 

(340,942)

 

(3.16)

 

 

 

Outstanding at December 31, 2016:

 

4,340,997

 

4.92

 

5.93

 

Granted

 

1,298,355

 

19.99

 

 

 

Forfeited

 

(94,777)

 

(6.29)

 

 

 

Exercised

 

(568,135)

 

(3.43)

 

 

 

Outstanding at December 31, 2017

 

4,976,440

 

8.99

 

6.39

 

Exercisable at December 31, 2017

 

2,343,796

 

4.12

 

4.26

 

 

Schedule of non-vested share-based payment activity with employees

 

 

 

 

 

 

 

    

 

    

Weighted Average

 

 

 

Number of Awards

 

Exercise Price

 

Nonvested options -  December 31, 2014:

 

1,159,486

 

3.37

 

Granted

 

946,250

 

4.31

 

Vested

 

(635,289)

 

(3.32)

 

Forfeited

 

(290,478)

 

(3.12)

 

Nonvested options -  December 31, 2015:

 

1,179,969

 

4.21

 

Granted

 

1,529,850

 

7.67

 

Vested

 

(512,562)

 

(4.21)

 

Forfeited

 

(75,938)

 

(3.74)

 

Nonvested options -  December 31, 2016:

 

2,121,319

 

6.72

 

Granted

 

1,298,355

 

19.99

 

Vested

 

(692,253)

 

(6.49)

 

Forfeited

 

(94,777)

 

(6.29)

 

Nonvested options -  December 31, 2017:

 

2,632,644

 

13.33