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)
|
02/26/2013 |
Common Stock
|
19,783
|
$
0.6
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(2)
|
01/28/2014 |
Common Stock
|
244,507
|
$
0.7
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(3)
|
12/30/2015 |
Common Stock
|
100,000
|
$
5
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(4)
|
06/28/2017 |
Common Stock
|
125,001
|
$
12.4
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(5)
|
12/12/2017 |
Common Stock
|
93,750
|
$
14.5
|
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) |
The option is subject to an early exercise provision and is immediately exercisable. An option to purchase 237,400 shares was granted on February 26, 2003 and was exercised in part prior to the date on which the Reporting Person became subject to Section 16. One forty-eighth of the shares subject to the option vested on February 22, 2003 and one forty-eighth of the shares vested monthly thereafter. |
(2) |
The option is subject to an early exercise provision and is immediately exercisable. An option to purchase 782,402 shares was granted on January 28, 2004 and was exercised in part prior to the date on which the Reporting Person became subject to Section 16. One forty-eighth of the shares subject to the option vested on February 15, 2004 and one forty-eighth of the shares shall vest monthly thereafter. |
(3) |
The option is subject to an early exercise provision and is immediately exercisable. One ninety-sixth of the shares subject to the option vested on January 30, 2006 and one ninety-sixth of the shares shall vest monthly thereafter. |
(4) |
The option is subject to an early exercise provision and is immediately exercisable. One forty-eighth of the shares subject to the option vested on July 28, 2007 and one forty-eighth of the shares shall vest monthly thereafter.of the shares on July 28, 2007 and 1/48th of the shares on the 28th day of each month thereafter |
(5) |
The option is subject to an early exercise provision and is immediately exercisable. One forty-eighth of the shares subject to the option shall vest on January 12, 2008 and one forty-eighth of the shares shall vest monthly thereafter. |