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)
|
03/14/2016 |
Common Stock
|
5,000
|
$
0.72
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(2)
|
08/29/2017 |
Common Stock
|
5,833
|
$
1.32
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(3)
|
08/05/2015 |
Common Stock
|
25,000
|
$
1.56
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(4)
|
03/12/2018 |
Common Stock
|
5,833
|
$
2.04
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(5)
|
05/21/2019 |
Common Stock
|
8,333
|
$
4.2
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(6)
|
08/18/2019 |
Common Stock
|
62,500
|
$
6.12
|
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) |
This stock option was granted on March 14, 2006 and vested over four years. 1/4 of the shares subject to the option vested and became exercisable one year after March 7, 2006, and 1/48 of the shares vested and became exercisable at the end of each monthly period thereafter. |
(2) |
This stock option was granted on August 29, 2007 and vests over four years. Subject to the optionee's continued status as a service provider, 1/4 of the shares subject to the option vested and became exercisable one year after August 29, 2007, and 1/48 of the shares vest and become exercisable at the end of each monthly period thereafter. |
(3) |
This stock option was granted on December 20, 2007 and vested over four years beginning on May 23, 2005. 1/48 of the shares subject to the option vested and became immediately exercisable each monthly period thereafter. |
(4) |
This stock option was granted on March 12, 2008 and vests over four years. Subject to the optionee's continued status as a service provider, 1/4 of the shares subject to the option vested and became exercisable one year after March 1, 2008, and 1/48 of the shares vest and become exercisable at the end of each monthly period thereafter. |
(5) |
This stock option was granted on May 21, 2009 and vests over four years. Subject to the optionee's continued status as a service provider, 1/4 of the shares subject to the option vest and become exercisable one year after March 18, 2009, and 1/48 of the shares vest and become exercisable at the end of each monthly period thereafter. |
(6) |
This stock option was granted on August 18, 2009 and vests over four years. Subject to the optionee's continued status as a service provider, 1/4 of the shares subject to the option vest and become exercisable one year after August 18, 2009, and 1/48 of the shares vest and become exercisable at the end of each monthly period thereafter. |