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)
|
05/20/2014 |
Common Stock
|
8,722
|
$
0.76
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(1)
|
02/10/2015 |
Common Stock
|
5,261
|
$
1.91
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(1)
|
02/17/2016 |
Common Stock
|
12,722
|
$
1.91
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(2)
|
02/01/2017 |
Common Stock
|
23,560
|
$
2.1
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(3)
|
02/12/2018 |
Common Stock
|
23,560
|
$
3.05
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(4)
|
03/05/2019 |
Common Stock
|
12,533
|
$
2.54
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(5)
|
02/11/2020 |
Common Stock
|
18,323
|
$
3.82
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(6)
|
11/10/2020 |
Common Stock
|
5,235
|
$
7.26
|
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 fully vested and immediately exercisable. |
(2) |
Shares subject to the option vest monthly over a period of 48 months beginning on February 28, 2007. |
(3) |
Shares subject to the option vest monthly over a period of 48 months beginning on February 29, 2008. |
(4) |
Shares subject to the option vest monthly over a period of 48 months beginning on March 31, 2009. |
(5) |
Shares subject to the option vest monthly over a period of 48 months beginning on February 28, 2010. |
(6) |
Shares subject to the option vest monthly over a period of 48 months beginning on November 30, 2010. |