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
|
19,774
|
$
37.93
|
D
|
Â
|
Common Stock Option (right to buy)
|
Â
(2)
|
03/25/2007 |
Common Stock
|
2,877
|
$
17.06
|
D
|
Â
|
Common Stock Option (right to buy)
|
Â
(2)
|
02/12/2008 |
Common Stock
|
43,916
|
$
33.02
|
D
|
Â
|
Common Stock Option (right to buy)
|
Â
(2)
|
12/14/2008 |
Common Stock
|
8,783
|
$
26.35
|
D
|
Â
|
Common Stock Option (right to buy)
|
12/14/2006 |
12/14/2008 |
Common Stock
|
8,783
|
$
26.35
|
D
|
Â
|
Common Stock Option (right to buy)
|
Â
(2)
|
02/19/2009 |
Common Stock
|
17,566
|
$
25.35
|
D
|
Â
|
Common Stock Option (right to buy)
|
Â
(2)
|
07/27/2010 |
Common Stock
|
43,916
|
$
42.8
|
D
|
Â
|
Common Stock Option (right to buy)
|
Â
(2)
|
02/19/2010 |
Common Stock
|
4,391
|
$
20.85
|
D
|
Â
|
Common Stock Option (right to buy)
|
02/19/2007 |
02/19/2010 |
Common Stock
|
4,392
|
$
20.85
|
D
|
Â
|
Common Stock Option (right to buy)
|
02/19/2008 |
02/19/2010 |
Common Stock
|
8,783
|
$
20.85
|
D
|
Â
|
Common Stock Option (right to buy)
|
01/12/2008 |
01/12/2012 |
Common Stock
|
4,391
|
$
17.89
|
D
|
Â
|
Common Stock Option (right to buy)
|
01/12/2009 |
01/12/2012 |
Common Stock
|
4,392
|
$
17.89
|
D
|
Â
|
Common Stock Option (right to buy)
|
01/12/2010 |
01/12/2012 |
Common Stock
|
8,783
|
$
17.89
|
D
|
Â
|
Common Stock Option (right to buy)
|
11/11/2008 |
11/11/2012 |
Common Stock
|
7,500
|
$
18
|
D
|
Â
|
Common Stock Option (right to buy)
|
11/11/2009 |
11/11/2012 |
Common Stock
|
7,500
|
$
18
|
D
|
Â
|
Common Stock Option (right to buy)
|
11/11/2010 |
11/11/2012 |
Common Stock
|
15,000
|
$
18
|
D
|
Â
|