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)(2)
|
03/26/2012 |
Common Stock
|
8,427
|
$
1.57
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(2)(3)
|
03/26/2012 |
Common Stock
|
20,625
|
$
1.92
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(2)(4)
|
03/11/2014 |
Common Stock
|
49,863
|
$
5.49
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(2)(5)
|
08/03/2015 |
Common Stock
|
99,000
|
$
7.13
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(6)
|
12/30/2015 |
Common Stock
|
6,141
|
$
7.15
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(2)(7)
|
03/14/2016 |
Common Stock
|
78,300
|
$
7.15
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(2)(8)
|
12/22/2016 |
Common Stock
|
255,000
|
$
11.33
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(2)(9)
|
04/18/2017 |
Common Stock
|
117,000
|
$
23
|
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 was granted on March 26, 2002. |
(2) |
This option vests over a period of four years as follows: twenty-five percent (25%) of the option vests on the first anniversary of service beginning on the "Vesting Commencement Date" (as defined in the Employee Non-Qualified Option Grant Agreement). The remainder vests upon the reporting person's completion of each additional month of service, in a series of thirty-six (36) successive, equal monthly installments beginning with the first anniversary of the Vesting Commencement Date. |
(3) |
This option was repriced from $1.57 to $1.92 on December 28, 2005. |
(4) |
This option was granted on March 11, 2004 and was repriced from $4.97 to $5.49 on December 28, 2005. |
(5) |
This option was granted on August 3, 2005. |
(6) |
This option was granted on December 30, 2005. The option vested over a one-year period as follows: fifty percent (50%) of the underlying shares vested on January 1, 2006 and the remaining fifty percent (50%) of the underlying shares vested on January 1, 2007. |
(7) |
This option was granted on March 14, 2006. |
(8) |
This option was granted on December 22, 2006. |
(9) |
This option was granted on April 18, 2007. |