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 |
Restricted Stock Units
|
01/31/2009(1)
|
01/31/2012(1)
|
Common Stock, par value $0.001
|
13,820
|
$
0
|
D
|
Â
|
Restricted Stock Units
|
02/06/2011(2)
|
02/06/2011(2)
|
Common Stock, par value $0.001
|
65,877
|
$
0
|
D
|
Â
|
Restricted Stock Units
|
02/06/2007(3)
|
02/06/2011(3)
|
Common Stock, par value $0.001
|
16,470
|
$
0
|
D
|
Â
|
Options to purchase Common Stock, par value $0.001
|
01/31/2009(4)
|
04/09/2018(4)
|
Common Stock, par value $0.001
|
134,115
|
$
25.31
|
D
|
Â
|
Options to purchase Common Stock, par value $0.001
|
01/31/2009(4)
|
04/09/2018(4)
|
Common Stock, par value $0.001
|
134,115
|
$
22.7
|
D
|
Â
|
Options to purchase Common Stock, par value $0.001
|
01/31/2009(4)
|
04/09/2018(4)
|
Common Stock, par value $0.001
|
134,115
|
$
20.08
|
D
|
Â
|
Options to purchase Common Stock, par value $0.001
|
12/17/2009(5)
|
12/17/2018(5)
|
Common Stock, par value $0.001
|
134,115
|
$
16.28
|
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) |
Represents the last two tranches of a restricted stock unit award granted on April 9, 2008, the terms of which provide for vesting in four equal installments (25%) on the anniversary of January 31, 2008. |
(2) |
Represents a restricted stock unit award granted on February 6, 2006, the terms of which provide for vesting in one lump sum installment on the fifth anniversary of the grant date. |
(3) |
Represents the last tranche of a restricted stock unit award granted on February 6, 2006, the terms of which provide for vesting in five equal installments (20%) on the anniversary of the grant date. |
(4) |
Represents stock options granted on April 9, 2008, the terms of which provide for vesting in four equal installments (25%) on the anniversary of January 31, 2008. |
(5) |
Represents stock options granted on December 17, 2008, the terms of which provide for vesting in four equal installments (25%) on the anniversary of the grant date. |