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)
|
02/19/2011 |
02/18/2020 |
Common shares
|
4,467
|
$
26.19
|
D
|
Â
|
Option (right to buy)
(1)
|
02/19/2012 |
02/18/2020 |
Common shares
|
4,466
|
$
26.19
|
D
|
Â
|
Option (right to buy)
(1)
|
02/19/2013 |
02/18/2020 |
Common shares
|
4,467
|
$
26.19
|
D
|
Â
|
Option (right to buy)
(1)
|
02/12/2011 |
02/19/2014 |
Common shares
|
587
|
$
24.73
|
D
|
Â
|
Option (right to buy)
(1)
|
03/15/2011 |
02/19/2014 |
Common shares
|
1,443
|
$
24.72
|
D
|
Â
|
Option (right to buy)
(1)
|
02/18/2012 |
02/17/2021 |
Common shares
|
6,334
|
$
22.39
|
D
|
Â
|
Option (right to buy)
(1)
|
02/18/2013 |
02/17/2021 |
Common shares
|
6,333
|
$
22.39
|
D
|
Â
|
Option (right to buy)
(1)
|
02/18/2014 |
02/17/2021 |
Common shares
|
6,333
|
$
22.39
|
D
|
Â
|
Option (right to buy)
(1)
|
02/17/2013 |
02/16/2022 |
Common shares
|
6,534
|
$
27.03
|
D
|
Â
|
Option (right to buy)
(1)
|
02/17/2014 |
02/16/2022 |
Common shares
|
6,533
|
$
27.03
|
D
|
Â
|
Option (right to buy)
(1)
|
02/17/2015 |
02/16/2022 |
Common shares
|
6,533
|
$
27.03
|
D
|
Â
|
Option (right to buy)
(1)
|
02/15/2014 |
02/14/2023 |
Common shares
|
14,300
|
$
34.94
|
D
|
Â
|
Option (right to buy)
(1)
|
02/15/2015 |
02/14/2023 |
Common shares
|
14,300
|
$
34.94
|
D
|
Â
|
Option (right to buy)
(1)
|
02/15/2016 |
02/14/2023 |
Common shares
|
14,300
|
$
34.94
|
D
|
Â
|