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)
|
12/21/2005(1)
|
12/21/2014 |
Common Stock
|
2,400
|
$
0.29
|
D
|
Â
|
Stock Option (Right to Buy)
|
10/21/2006(2)
|
10/21/2015 |
Common Stock
|
19,107
|
$
10
|
D
|
Â
|
Stock Option (Right to Buy)
|
04/03/2007(3)
|
04/03/2016 |
Common Stock
|
5,000
|
$
8.98
|
D
|
Â
|
Stock Option (Right to Buy)
|
10/02/2007(4)
|
10/02/2016 |
Common Stock
|
5,000
|
$
8.92
|
D
|
Â
|
Stock Option (Right to Buy)
|
12/05/2007(5)
|
11/30/2016 |
Common Stock
|
11,294
|
$
12.68
|
D
|
Â
|
Stock Option (Right to Buy)
|
05/08/2008(6)
|
05/08/2017 |
Common Stock
|
8,000
|
$
24.46
|
D
|
Â
|
Stock Option (Right to Buy)
|
12/04/2008(7)
|
12/04/2014 |
Common Stock
|
6,182
|
$
36.1
|
D
|
Â
|
Stock Option (Right to Buy)
|
12/02/2009(8)
|
12/19/2015 |
Common Stock
|
24,000
|
$
9.93
|
D
|
Â
|
Stock Option (Right to Buy)
|
08/18/2010(9)
|
08/18/2006 |
Common stock
|
40,000
|
$
11.21
|
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 Reporting Person was originally granted an option to purchase 13,000 shares, and the Reporting Person previously exercised options to purchase 10,600 shares. The option became exercisable with respect to the first 25 percent of the original shares subject to the option when the Reporting Person completed 12 months of continuous service after December 21, 2004. The option becomes exercisable with respect to an additional 1/48th of the original shares subject to the option when the Reporting Person completes each month of continuous service thereafter. |
(2) |
The Reporting Person was originally granted an option to purchase 20,000 shares, and the Reporting Person previously exercised options to purchase 893 shares. The option became exercisable with respect to the first 25 percent of the original shares subject to the option when the Reporting Person completed 12 months of continuous service after October 21, 2005. The option becomes exercisable with respect to an additional 1/48th of the original shares subject to the option when the Reporting Person completes each month of continuous service thereafter. |
(3) |
The option became exercisable with respect to the first 25 percent of the shares subject to the option when the Reporting Person completed 12 months of continuous service after April 3, 2006. The option becomes exercisable with respect to an additional 1/48th of the shares subject to the option when the Reporting Person completes each month of continuous service thereafter. |
(4) |
The option became exercisable with respect to the first 25 percent of the shares subject to the option when the Reporting Person completed 12 months of continuous service after October 2, 2006. The option becomes exercisable with respect to an additional 1/48th of the shares subject to the option when the Reporting Person completes each month of continuous service thereafter. |
(5) |
The option shall become exercisable with respect to the first 25 percent of the shares subject to the option when the Reporting Person completes 12 months of continuous service after December 5, 2006. The option becomes exercisable with respect to an additional 1/48th of the shares subject to the option when the Reporting Person completes each month of continuous service thereafter. |
(6) |
The option became exercisable with respect to the first 25 percent of the shares subject to the option when the Reporting Person completed 12 months of continuous service after May 8, 2007. The option becomes exercisable with respect to an additional 1/48th of the shares subject to the option when the Reporting Person completes each month of continuous service thereafter. |
(7) |
The option shall become exercisable with respect to the first 25 percent of the shares subject to the option when the Reporting Person completes 12 months of continuous service after December 4, 2007. The option becomes exercisable with respect to an additional 1/48th of the shares subject to the option when the Reporting Person completes each month of continuous service thereafter. |
(8) |
The option became exercisable with respect to the first 25 percent of the shares subject to the option when the Reporting Person completed 12 months of continuous service after December 2, 2008. The option becomes exercisable with respect to an additional 1/48th of the shares subject to the option when the Reporting Person completes each month of continuous service thereafter. |
(9) |
The option shall become exercisable with respect to the first 25 percent of the shares subject to the option when the Reporting Person completes 12 months of continuous service after August 18, 2009. The option becomes exercisable with respect to an additional 1/48th of the shares subject to the option when the Reporting Person completes each month of continuous service thereafter. |