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 |
Non-Qualified Stock Option (right to buy)
|
Â
(1)
|
02/17/2019 |
Common Stock
|
15,000
|
$
107.27
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
Â
(1)
|
02/15/2017 |
Common Stock
|
2,500
|
$
112.66
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
Â
(1)
|
12/21/2015 |
Common Stock
|
20,000
|
$
116.45
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
Â
(1)
|
12/05/2018 |
Common Stock
|
4,000
|
$
137.46
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
Â
(1)
|
02/15/2018 |
Common Stock
|
4,000
|
$
303.27
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
Â
(1)
|
02/16/2020 |
Common Stock
|
2,000
|
$
334.3
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
Â
(1)
|
02/15/2021 |
Common Stock
|
9,600
|
$
341.19
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
Â
(2)
|
08/15/2023 |
Common Stock
|
3,250
|
$
383.73
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
Â
(1)
|
02/18/2024 |
Common Stock
|
2,500
|
$
444.09
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
Â
(2)
|
08/15/2024 |
Common Stock
|
2,500
|
$
459.14
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
Â
(1)
|
02/15/2022 |
Common Stock
|
3,000
|
$
505.23
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
Â
(2)
|
08/15/2022 |
Common Stock
|
3,000
|
$
517.31
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
Â
(1)
|
02/15/2023 |
Common Stock
|
3,250
|
$
569.21
|
D
|
Â
|