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)
(1)
|
02/17/2007 |
02/16/2016 |
Common shares
|
4,509
|
$
21.2194
|
D
|
Â
|
Option (right to buy)
(1)
|
02/17/2008 |
02/16/2016 |
Common shares
|
4,509
|
$
21.2194
|
D
|
Â
|
Option (right to buy)
(1)
|
02/17/2009 |
02/16/2016 |
Common shares
|
4,509
|
$
21.2194
|
D
|
Â
|
Option (right to buy)
(1)
|
02/16/2008 |
02/15/2017 |
Common shares
|
3,607
|
$
25.2461
|
D
|
Â
|
Option (right to buy)
(1)
|
02/16/2009 |
02/15/2017 |
Common shares
|
3,607
|
$
25.2461
|
D
|
Â
|
Option (right to buy)
(1)
|
02/16/2010 |
02/15/2017 |
Common shares
|
3,607
|
$
25.2461
|
D
|
Â
|
Option (right to buy)
(1)
|
02/15/2009 |
02/14/2018 |
Common shares
|
3,677
|
$
26.6973
|
D
|
Â
|
Option (right to buy)
(1)
|
02/15/2010 |
02/14/2018 |
Common shares
|
3,677
|
$
26.6973
|
D
|
Â
|
Option (right to buy)
(1)
|
02/15/2011 |
02/14/2018 |
Common shares
|
3,676
|
$
26.6973
|
D
|
Â
|
Option (right to buy)
(1)
|
03/31/2009 |
03/30/2018 |
Common shares
|
625
|
$
26.1976
|
D
|
Â
|
Option (right to buy)
(1)
|
03/31/2010 |
03/30/2018 |
Common shares
|
624
|
$
26.1976
|
D
|
Â
|
Option (right to buy)
(1)
|
03/31/2011 |
03/30/2018 |
Common shares
|
624
|
$
26.1976
|
D
|
Â
|
Option (right to buy)
(2)
|
02/20/2016 |
02/19/2025 |
Common shares
|
38,231
|
$
47
|
D
|
Â
|
Option (right to buy)
(2)
|
02/20/2017 |
02/19/2025 |
Common shares
|
38,230
|
$
47
|
D
|
Â
|
Option (right to buy)
(2)
|
02/20/2018 |
02/19/2025 |
Common shares
|
38,231
|
$
47
|
D
|
Â
|