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 |
Common Stock Option (right to buy)
|
Â
(2)
|
02/28/2007 |
Common Stock
|
1,317
|
$
37.9269
|
D
|
Â
|
Common Stock Option (right to buy)
|
Â
(2)
|
02/12/2008 |
Common Stock
|
1,756
|
$
33.0228
|
D
|
Â
|
Common Stock Option (right to buy)
|
Â
(2)
|
07/25/2008 |
Common Stock
|
2,635
|
$
31.8786
|
D
|
Â
|
Common Stock Option (right to buy)
|
07/25/2006 |
07/25/2008 |
Common Stock
|
2,635
|
$
31.8786
|
D
|
Â
|
Common Stock Option (right to buy)
|
Â
(2)
|
12/14/2008 |
Common Stock
|
1,756
|
$
26.3454
|
D
|
Â
|
Common Stock Option (right to buy)
|
12/14/2006 |
12/14/2008 |
Common Stock
|
1,757
|
$
26.3454
|
D
|
Â
|
Common Stock Option (right to buy)
|
Â
(2)
|
02/19/2010 |
Common Stock
|
2,195
|
$
20.8463
|
D
|
Â
|
Common Stock Option (right to buy)
|
02/19/2007 |
02/19/2010 |
Common Stock
|
2,196
|
$
20.8463
|
D
|
Â
|
Common Stock Option (right to buy)
|
02/19/2008 |
02/19/2010 |
Common Stock
|
4,392
|
$
20.8463
|
D
|
Â
|
Common Stock Option (right to buy)
|
Â
(2)
|
02/19/2009 |
Common Stock
|
8,783
|
$
25.3491
|
D
|
Â
|
Common Stock Option (right to buy)
|
01/12/2008 |
01/12/2012 |
Common Stock
|
3,293
|
$
17.8861
|
D
|
Â
|
Common Stock Option (right to buy)
|
01/12/2009 |
01/12/2012 |
Common Stock
|
3,294
|
$
17.8861
|
D
|
Â
|
Common Stock Option (right to buy)
|
01/12/2010 |
01/12/2012 |
Common Stock
|
6,588
|
$
17.8861
|
D
|
Â
|
Common Stock Option (right to buy)
|
02/13/2009 |
02/13/2013 |
Common Stock
|
3,125
|
$
19.85
|
D
|
Â
|
Common Stock Option (right to buy)
|
02/13/2010 |
02/13/2013 |
Common Stock
|
3,125
|
$
19.85
|
D
|
Â
|
Common Stock Option (right to buy)
|
02/13/2011 |
02/13/2013 |
Common Stock
|
6,250
|
$
19.85
|
D
|
Â
|