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 |
Stock Options (Right to Buy)
|
02/05/2005 |
02/05/2014 |
Common Stock
|
1,669
|
$
8.09
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/05/2006 |
02/05/2014 |
Common Stock
|
1,669
|
$
8.09
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/05/2007 |
02/05/2014 |
Common Stock
|
1,669
|
$
8.09
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/25/2006 |
02/25/2015 |
Common Stock
|
3,338
|
$
15.71
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/25/2007 |
02/25/2015 |
Common Stock
|
3,338
|
$
15.71
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/25/2008 |
02/25/2015 |
Common Stock
|
3,339
|
$
15.71
|
D
|
Â
|
Stock Options (Right to Buy)
|
03/03/2007 |
03/03/2016 |
Common Stock
|
3,744
|
$
17.65
|
D
|
Â
|
Stock Options (Right to Buy)
|
03/03/2008 |
03/03/2016 |
Common Stock
|
3,745
|
$
17.65
|
D
|
Â
|
Stock Options (Right to Buy)
|
03/03/2009 |
03/03/2016 |
Common Stock
|
3,745
|
$
17.65
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/26/2008 |
02/26/2017 |
Common Stock
|
3,570
|
$
23.04
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/26/2009 |
02/26/2017 |
Common Stock
|
3,571
|
$
23.04
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/26/2010 |
02/26/2017 |
Common Stock
|
3,571
|
$
23.04
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/25/2009 |
02/25/2018 |
Common Stock
|
3,178
|
$
29.72
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/25/2010 |
02/25/2018 |
Common Stock
|
3,178
|
$
29.72
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/25/2011 |
02/25/2018 |
Common Stock
|
3,178
|
$
29.72
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/23/2010 |
02/23/2019 |
Common Stock
|
6,339
|
$
8.85
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/23/2011 |
02/23/2019 |
Common Stock
|
6,340
|
$
8.85
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/23/2012 |
02/23/2019 |
Common Stock
|
6,340
|
$
8.85
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/23/2011 |
02/23/2020 |
Common Stock
|
4,322
|
$
17.28
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/23/2012 |
02/23/2020 |
Common Stock
|
4,322
|
$
17.28
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/23/2013 |
02/23/2020 |
Common Stock
|
4,322
|
$
17.28
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/24/2012 |
02/24/2021 |
Common Stock
|
4,025
|
$
24.21
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/24/2013 |
02/24/2021 |
Common Stock
|
4,025
|
$
24.21
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/24/2014 |
02/24/2021 |
Common Stock
|
4,026
|
$
24.21
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/27/2013 |
02/27/2022 |
Common Stock
|
4,192
|
$
29.11
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/27/2014 |
02/27/2022 |
Common Stock
|
4,192
|
$
29.11
|
D
|
Â
|
Stock Options (Right to Buy)
|
02/27/2015 |
02/27/2022 |
Common Stock
|
4,193
|
$
29.11
|
D
|
Â
|
Restricted Stock Units
|
02/23/2013 |
Â
(1)
|
Common Stock
|
4,796
|
$
0
|
D
|
Â
|
Restricted Stock Units
|
02/24/2014 |
Â
(1)
|
Common Stock
|
4,038
|
$
0
|
D
|
Â
|
Restricted Stock Units
|
02/27/2015 |
Â
(1)
|
Common Stock
|
4,845
|
$
0
|
D
|
Â
|