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)
|
03/31/2010 |
Common Stock
|
10,500
|
$
3.79
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(1)
|
09/26/2011 |
Common Stock
|
11,250
|
$
6.33
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(1)
|
10/24/2012 |
Common Stock
|
37,500
|
$
7.03
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(1)
|
01/25/2015 |
Common Stock
|
2,000
|
$
16.5
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(2)
|
01/25/2015 |
Common Stock
|
3,000
|
$
16.5
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(3)
|
01/23/2014 |
Common Stock
|
12,500
|
$
34.8
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(4)
|
01/22/2015 |
Common Stock
|
20,000
|
$
15.9
|
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 options are fully vested. |
(2) |
The options vest in three equal annual installments beginning on January 25, 2008. |
(3) |
The options vest in four equal annual installments beginning on January 23, 2008. |
(4) |
The options vest in four equal annual installments beginning on January 22, 2009. |