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 |
Stock Option (Right to Buy)
|
Â
(1)
|
02/02/2013 |
Common Stock
|
3,253
|
$
4.47
|
D
|
Â
|
Stock Option (Right to Buy)
|
Â
(1)
|
08/03/2013 |
Common Stock
|
3,253
|
$
6.31
|
D
|
Â
|
Stock Option (Right to Buy)
|
Â
(1)
|
02/28/2014 |
Common Stock
|
12,147
|
$
10.45
|
D
|
Â
|
Stock Option (Right to Buy)
|
Â
(1)
|
02/28/2015 |
Common Stock
|
7,269
|
$
17.97
|
D
|
Â
|
Stock Option (Right to Buy)
|
Â
(2)
|
02/12/2016 |
Common Stock
|
6,037
|
$
17.82
|
D
|
Â
|
Stock Option (Right to Buy)
|
Â
(3)
|
02/28/2017 |
Common Stock
|
5,733
|
$
21.27
|
D
|
Â
|
Stock Option (Right to Buy)
|
Â
(4)
|
09/30/2017 |
Common Stock
|
7,810
|
$
23.93
|
D
|
Â
|
Stock Option (Right to Buy)
|
Â
(5)
|
02/28/2018 |
Common Stock
|
7,831
|
$
22.16
|
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) |
These options are fully vested. |
(2) |
The options vest in four equal annual installments which began on February 13, 2007. |
(3) |
The options vest in four equal annual installments which began on March 1, 2008. |
(4) |
The options vest in four equal annual installments which began on October 1, 2008. |
(5) |
The options vest in four equal annual installments which began on March 1, 2009. |
(6) |
Includes a time-based restricted stock award of 9,998 shares that vests December 1, 2009, and 3,134 time-based restricted units that vest October 1, 2010. |