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 |
Options to Purchase Common Stock
|
01/31/2009(1)
|
01/31/2018(1)
|
Common Stock, par value $0.001
|
45,833
|
$
20.05
|
D
|
Â
|
Options to Purchase Common Stock
|
12/17/2009(2)
|
12/17/2018(2)
|
Common Stock, par value $0.001
|
75,000
|
$
16.28
|
D
|
Â
|
Options to Purchase Common Stock
|
04/20/2010(3)
|
04/20/2019(3)
|
Common Stock, par value $0.001
|
50,000
|
$
16.19
|
D
|
Â
|
Restricted Stock Units
|
02/06/2007(4)
|
02/06/2011(4)
|
Common Stock, par value $0.001
|
3,295
|
$
0
|
D
|
Â
|
Restricted Stock Units
|
02/16/2008(5)
|
02/16/2012(5)
|
Common Stock, par value $0.001
|
2,158
|
$
0
|
D
|
Â
|
Restricted Stock Units
|
02/16/2010(6)
|
02/16/2010(6)
|
Common Stock, par value $0.001
|
4,554
|
$
0
|
D
|
Â
|
Restricted Stock Units
|
01/31/2011(7)
|
01/31/2011(7)
|
Common Stock, par value $0.001
|
13,750
|
$
0
|
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 terms of this award provide for vesting in equal installments on January 31, 2009, January 31, 2010, January 31, 2011 and January 31, 2012. |
(2) |
The terms of this award provide for vesting in equal installments on December 17, 2009, December 17, 2010, December 17, 2011 and December 17, 2012. |
(3) |
The terms of this award provide for vesting in equal installments on April 20, 2010, April 20, 2011, April 20, 2012 and April 20, 2013. |
(4) |
The terms of this award provide for the vesting of the balance of this award outstanding as of the date of this report in equal installments on February 6, 2010 and February 6, 2011. |
(5) |
The terms of this award provide for the vesting of the balance of this award outstanding as of the date of this report in equal installments on February 16, 2010, February 16, 2011 and February 16, 2012. |
(6) |
The terms of this award provide for vesting in one lump sum installment on February 16, 2010. |
(7) |
The terms of this award provide for vesting in one lump sum installment on January 31, 2011. |