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 |
Incentive Stock Option (right to buy)
|
09/12/2003 |
09/12/2012 |
Common Stock
|
60,000
|
$
4.59
|
D
|
Â
|
Incentive Stock Option (right to buy)
|
02/04/2006 |
02/04/2015 |
Common Stock
|
19,104
|
$
15.7
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
02/04/2006 |
02/04/2015 |
Common Stock
|
22,896
|
$
15.7
|
D
|
Â
|
Incentive Stock Option (right to buy)
|
02/15/2009 |
02/13/2016 |
Common Stock
|
7,954
|
$
12.57
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
02/15/2007 |
02/13/2016 |
Common Stock
|
35,646
|
$
12.57
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
02/15/2008 |
05/01/2017 |
Common Stock
|
23,000
|
$
20.75
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
02/15/2009 |
04/28/2018 |
Common Stock
|
11,300
|
$
34.31
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
02/15/2010 |
05/05/2019 |
Common Stock
|
23,800
|
$
25.64
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
04/27/2011 |
04/27/2020 |
Common Stock
|
10,700
|
$
30.27
|
D
|
Â
|