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 |
Performance Share Unit
|
12/31/2013 |
Â
(2)
|
Common stock
|
9,422
|
$
(1)
|
D
|
Â
|
Performance Share Unit
|
12/31/2014 |
Â
(2)
|
Common stock
|
6,705
|
$
(1)
|
D
|
Â
|
Performance Share Unit
|
12/31/2015 |
Â
(2)
|
Common stock
|
3,100
|
$
(1)
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(3)
|
12/15/2014 |
Common stock
|
19,700
|
$
32.6
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(3)
|
02/20/2015 |
Common stock
|
2,550
|
$
33.19
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(3)
|
08/21/2015 |
Common stock
|
2,550
|
$
31.7
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(3)
|
05/06/2016 |
Common stock
|
3,650
|
$
29.43
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(3)
|
02/06/2017 |
Common stock
|
2,900
|
$
36.15
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(3)
|
08/06/2017 |
Common stock
|
2,900
|
$
37.58
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(3)
|
07/27/2018 |
Common stock
|
4,500
|
$
17.98
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(3)
|
01/28/2019 |
Common stock
|
9,150
|
$
7.41
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(3)
|
07/28/2019 |
Common stock
|
10,650
|
$
8.99
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(3)
|
01/27/2020 |
Common stock
|
2,333
|
$
13.38
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(4)
|
01/27/2021 |
Common stock
|
4,600
|
$
19.25
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(5)
|
01/25/2022 |
Common stock
|
3,700
|
$
24.09
|
D
|
Â
|
Stock Option (right to buy)
|
Â
(6)
|
01/28/2023 |
Common stock
|
3,700
|
$
31.23
|
D
|
Â
|
* |
If the form is filed by more than one reporting person, see Instruction 5(b)(v). |
** |
Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). |
(1) |
The units are convertible to common stock on a one-for-one basis. |
(2) |
The units do not have an expiration date. |
(3) |
The stock options are fully exercisable. |
(4) |
The stock options vest in increments of one third on 1/28/2012, 1/28/2013, and 1/28/2014. |
(5) |
The stock options vest in increments of one third on 1/26/2013, 1/26/2014, and 1/26/2015. |
(6) |
The stock options vest in increments of one third on 1/29/2014, 1/29/2015, and 1/29/2016. |