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)
|
03/23/2016 |
Common Stock
|
103,706
|
$
1.976
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(2)
|
12/10/2017 |
Common Stock
|
59,754
|
$
3.588
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(3)
|
03/18/2019 |
Common Stock
|
28,845
|
$
4.888
|
D
|
Â
|
Stock Option (right to buy
|
Â
(4)
|
01/14/2020 |
Common Stock
|
144,190
|
$
4.888
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(5)
|
08/21/2021 |
Common Stock
|
96,153
|
$
6.136
|
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 becomes exercisable once the shares are vested. 1/48 of the shares subject to the option vest each month following March 17, 2006, subject to the reporting person's continuous service to the Issuer on each such date. |
(2) |
The option becomes exercisable once the shares are vested. 1/4th of the shares subject to the option vested on December 11, 2008 and 1/48th of the shares vest monthly thereafter, subject to the reporting person's continuous service to the Issuer on each such date. |
(3) |
The option becomes exercisable once the shares are vested. 1/4th of the shares subject to the option vested on December 19, 2009 and 1/48th of the shares vest monthly thereafter, subject to the reporting person's continuous service to the Issuer on each such date. |
(4) |
The option becomes exercisable once the shares are vested. 1/4th of the shares subject to the option vested on January 1, 2011 and 1/48th of the shares vest monthly thereafter, subject to the reporting person's continuous service to the Issuer on each such date. |
(5) |
The option becomes exercisable once the shares are vested. 1/4th of the shares subject to the option vested on August 3, 2012 and 1/48th of the shares vest monthly thereafter, subject to the reporting person's continuous service to the Issuer on each such date. |