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 purchase)
|
07/31/2011 |
08/01/2017 |
Common Stock
|
60,015
|
$
6
|
D
|
Â
|
Stock Option (right to purchase)
|
03/17/2010 |
03/17/2020 |
Common Stock
|
3,750
|
$
5.76
|
D
|
Â
|
Stock Option (right to purchase)
|
Â
(1)
|
03/17/2020 |
Common Stock
|
15,003
|
$
5.76
|
D
|
Â
|
Stock Option (right to purchase)
|
12/10/2010 |
12/10/2020 |
Common Stock
|
11,252
|
$
6.13
|
D
|
Â
|
Stock Option (right to purchase)
|
12/05/2011 |
12/05/2021 |
Common Stock
|
2,960
|
$
6.13
|
D
|
Â
|
Stock Option (right to purchase)
|
12/18/2012 |
12/19/2022 |
Common Stock
|
3,750
|
$
13.28
|
D
|
Â
|
Stock Option (right to purchase)
|
Â
(2)
|
12/19/2022 |
Common Stock
|
18,754
|
$
13.28
|
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 option, representing a right to purchase a total of 15,003 shares of Common Stock, is immediately exercisable and vests over 4 years from March 17, 2010, with 25% vesting on March 17, 2011 and 75% vesting in 36 equal monthly installments thereafter, subject to continued service to the Issuer through each vesting date. |
(2) |
This option, representing a right to purchase a total of 18,754 shares of Common Stock, is immediately exercisable and vests over 4 years from December 18, 2012, 25% vesting on December 18, 2013 and 75% vesting in 36 equal monthly installments thereafter, subject to continued service to the Issuer through each vesting date. |