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 |
Employee Stock Option (Right to Buy)
|
Â
(1)
|
04/28/2010 |
Common Stock
|
1,750
(2)
|
$
2.63
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
Â
(3)
|
09/20/2010 |
Common Stock
|
4,000
|
$
16
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
Â
(4)
|
04/28/2010 |
Common Stock
|
11,188
(5)
|
$
2.63
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
Â
(3)
|
03/11/2012 |
Common Stock
|
7,800
(6)
|
$
10.15
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
Â
(7)
|
12/30/2012 |
Common Stock
|
28,000
(8)
|
$
2.76
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
Â
(3)
|
12/17/2013 |
Common Stock
|
40,000
|
$
13.68
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
Â
(9)
|
01/27/2015 |
Common Stock
|
4,750
|
$
8.98
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
Â
(10)
|
05/05/2015 |
Common Stock
|
4,750
|
$
7.77
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
Â
(11)
|
08/03/2015 |
Common Stock
|
4,750
|
$
6.86
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
Â
(12)
|
11/03/2015 |
Common Stock
|
4,750
|
$
8.67
|
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 were fully vested as of April 28, 2004. |
(2) |
12,500 of the total number of shares subject to the option (14,250) were acquired and sold pursuant to an exercise of options in 2001, 2003, and 2004. |
(3) |
The options were fully vested as of June 8, 2005. |
(4) |
The options were fully vested as of December 16, 2004. |
(5) |
3,062 of the total number of shares subject to the option (14,250) were acquired and sold pursuant to an exercise of options in 2001 and 2004. |
(6) |
5,200 of the total number of shares subject to the option (13,000) were acquired and sold pursuant to an exercise of options in 2004. |
(7) |
20% of the options vest and become exercisable on each anniversary of the date of the grant beginning on December 30, 2003. |
(8) |
7,000 of the total number of shares subject to the option (35,000) were acquired and sold pursuant to an exercise of options in 2004. |
(9) |
The options were fully vested on September 14, 2005. |
(10) |
25% of the options vest and become exercisable on each anniversary of the date of the grant beginning on May 5, 2006. |
(11) |
25% of the options vest and become exercisable on each anniversary of the date of the grant beginning on August 3, 2006. |
(12) |
25% of the options vest and become exercisable on each anniversary of the date of the grant beginning on November 3, 2006. |