1. Title of Derivative Security (Instr. 4) |
2. Date Exercisable and Expiration Date (Month/Day/Year) |
3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) |
4. Conversion or Exercise Price of Derivative Security |
5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5) |
6. Nature of Indirect Beneficial Ownership (Instr. 5) |
Date Exercisable |
Expiration Date |
Title |
Amount or Number of Shares |
Employee Stock Option (right to buy)
|
Â
(1)
|
05/16/2015 |
Common Stock
|
220
|
$
6.42
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(2)
|
08/09/2016 |
Common Stock
|
170,000
|
$
8.77
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(3)
|
03/23/2020 |
Common Stock
|
42,500
|
$
14.53
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(4)
|
10/03/2021 |
Common Stock
|
67,500
|
$
13.48
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(5)
|
08/30/2022 |
Common Stock
|
40,000
|
$
22.19
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(6)
|
12/27/2022 |
Common Stock
|
60,000
|
$
22.44
|
D
|
Â
|
* |
If the form is filed by more than one reporting person, see Instruction 5(b)(v). |
** |
Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). |
(1) |
Vested in full. |
(2) |
Vested in full. |
(3) |
One quarter (25%) vested on March 23, 2011 and then 1/36 vests monthly thereafter. |
(4) |
One quarter (25%) vested on October 3, 2012 and then 1/36 vests monthly thereafter. |
(5) |
One quarter (25%) vests on August 30, 2013 and then 1/36 vests monthly thereafter. |
(6) |
One quarter (25%) vests on December 27, 2013 and then 1/36 vests monthly thereafter. |