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 |
Option (right to buy)
(2)
|
02/18/2008 |
02/17/2015 |
Common shares
|
2,157
|
$
46.34
|
D
|
Â
|
Option (right to buy)
(2)
|
02/18/2008 |
02/17/2015 |
Common shares
|
843
|
$
46.34
|
D
|
Â
|
Option (right to buy)
(2)
|
02/17/2008 |
02/16/2016 |
Common shares
|
1,900
|
$
44.16
|
D
|
Â
|
Option (right to buy)
(2)
|
02/17/2009 |
02/16/2016 |
Common shares
|
1,900
|
$
44.16
|
D
|
Â
|
Option (right to buy)
(2)
|
07/20/2008 |
07/19/2017 |
Common shares
|
1,900
|
$
53.6
|
D
|
Â
|
Option (right to buy)
(2)
|
07/20/2009 |
07/19/2017 |
Common shares
|
1,900
|
$
53.6
|
D
|
Â
|
Option (right to buy)
(2)
|
07/20/2010 |
07/19/2017 |
Common shares
|
1,900
|
$
53.6
|
D
|
Â
|
Option (right to buy)
(2)
|
02/15/2009 |
02/14/2018 |
Common shares
|
1,934
|
$
55.56
|
D
|
Â
|
Option (right to buy)
(2)
|
02/15/2010 |
02/14/2018 |
Common shares
|
1,933
|
$
55.56
|
D
|
Â
|
Option (right to buy)
(2)
|
02/15/2011 |
02/14/2018 |
Common shares
|
1,933
|
$
55.56
|
D
|
Â
|
Option (right to buy)
(2)
|
02/20/2010 |
02/19/2019 |
Common shares
|
4,267
|
$
54.14
|
D
|
Â
|
Option (right to buy)
(2)
|
02/20/2011 |
02/19/2019 |
Common shares
|
4,267
|
$
54.14
|
D
|
Â
|
Option (right to buy)
(2)
|
02/20/2012 |
02/19/2019 |
Common shares
|
4,266
|
$
54.14
|
D
|
Â
|
Option (right to buy)
(3)
|
02/19/2011 |
02/18/2020 |
Common shares
|
3,234
|
$
54.5
|
D
|
Â
|
Option (right to buy)
(3)
|
02/19/2012 |
02/18/2020 |
Common shares
|
3,233
|
$
54.5
|
D
|
Â
|
Option (right to buy)
(3)
|
02/19/2013 |
02/18/2020 |
Common shares
|
3,233
|
$
54.5
|
D
|
Â
|
Option (right to buy)
(3)
|
05/17/2011 |
05/16/2020 |
Common shares
|
6,334
|
$
48.34
|
D
|
Â
|
Option (right to buy)
(3)
|
05/17/2012 |
05/16/2020 |
Common shares
|
6,333
|
$
48.34
|
D
|
Â
|
Option (right to buy)
(3)
|
05/17/2013 |
05/16/2020 |
Common shares
|
6,333
|
$
48.34
|
D
|
Â
|