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 Option (Right to Buy)
|
02/27/2012 |
02/27/2019 |
Common Stock
|
14,305
|
$
48.17
|
D
|
Â
|
Stock Option (Right to Buy)
|
02/26/2013 |
02/26/2020 |
Common Stock
|
11,374
|
$
63.28
|
D
|
Â
|
Stock Option (Right to Buy)
|
02/28/2014 |
02/28/2021 |
Common Stock
|
15,267
|
$
63.05
|
D
|
Â
|
Stock Option (Right to Buy)
|
02/28/2015 |
02/28/2022 |
Common Stock
|
14,248
|
$
67.52
|
D
|
Â
|
Stock Option (Right to Buy)
|
02/28/2016 |
02/28/2023 |
Common Stock
|
20,733
|
$
76.18
|
D
|
Â
|
Stock Option (Right to Buy)
|
02/28/2017 |
02/28/2024 |
Common Stock
|
28,205
|
$
78.66
|
D
|
Â
|
Stock Option (Right to Buy)
|
02/27/2018 |
02/27/2025 |
Common Stock
|
18,723
|
$
85.13
|
D
|
Â
|
Stock Option (Right to Buy)
|
02/28/2019 |
02/27/2026 |
Common Stock
|
21,539
|
$
80.29
|
D
|
Â
|
Stock Option (Right to Buy)
|
02/28/2020 |
02/26/2027 |
Common Stock
|
26,549
|
$
91.07
|
D
|
Â
|
Stock Option (Right to Buy)
|
02/26/2021 |
02/28/2028 |
Common Stock
|
39,315
|
$
78.52
|
D
|
Â
|