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)
|
02/23/2009 |
Common Stock
|
15,232
|
$
6.55
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(2)
|
02/23/2009 |
Common Stock
|
4,868
|
$
6.55
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(3)
|
10/04/2009 |
Common Stock
|
4,000
|
$
5.81
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(4)
|
10/02/2010 |
Common Stock
|
8,000
|
$
10.09
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(5)
|
10/01/2011 |
Common Stock
|
10,000
|
$
7.4
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(6)
|
09/30/2012 |
Common Stock
|
12,000
|
$
10.32
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(7)
|
01/14/2013 |
Common Stock
|
18,332
|
$
10.14
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(8)
|
11/20/2013 |
Common Stock
|
17,500
|
$
15.23
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(9)
|
11/16/2014 |
Common Stock
|
48,000
|
$
27.32
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(10)
|
11/16/2015 |
Common Stock
|
60,000
|
$
30.42
|
D
|
Â
|
Employee Stock Option (right to buy)
|
Â
(11)
|
11/20/2016 |
Common Stock
|
33,120
|
$
36.75
|
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 became exercisable in two increments of 9,224 shares on February 23 of 2000 and 2001, one increment of 10,736 shares on February 23, 2002, one increment of 13,960 shares on February 23, 2003, and one increment of 15,272 shares on February 23, 2004. |
(2) |
The options became exercisable in two increments of 18,776 shares on February 23 of 2000 and 2001, one increment of 17,264 shares on February 23, 2002, one increment of 14,040 shares on February 23, 2003, and one increment of 12,728 shares on February 23, 2004. |
(3) |
The options became exercisable in four increments of 6,000 shares each on October 4 of 2000, 2001, 2002 and 2003. |
(4) |
The options became exercisable in four increments of 8,000 shares each on October 2 of 2001, 2002, 2003 and 2004. |
(5) |
The options became exercisable in four increments of 4,000 shares each on October 1 of 2002, 2003, 2004 and 2005. |
(6) |
The options became exercisable in four increments of 6,000 shares each on September 30 of 2003, 2004, 2005 and 2006. |
(7) |
The options became exercisable in two increments of 11,667 shares each on January 14 of 2004 and 2005, and one increment of 11,666 shares on January 14, 2006. |
(8) |
The options became exercisable in three increments of 12,750 shares each on October 1 of 2004, 2005 and 2006. |
(9) |
The options became exercisable in two increments of 24,000 shares each on October 1 of 2005 and 2006, and become exercisable as to the remaining 24,000 shares on October 1, 2007. |
(10) |
The options became exercisable as to 20,000 shares on November 16, 2006, and become exercisable as to the remaining 40,000 shares in two increments of 20,000 shares each on November 16, 2007 and 2008. |
(11) |
The options become exercisable in four increments of 8,280 shares each on November 20 of 2007, 2008, 2009 and 2010. |