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 |
Employee Stock Option (Right to Buy)
|
Â
(1)
|
01/01/2009 |
Common Stock
|
810
|
$
10.11
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
Â
(1)
|
01/22/2009 |
Common Stock
|
12,933
|
$
11.72
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
Â
(1)
|
01/01/2010 |
Common Stock
|
917
|
$
10.88
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
Â
(1)
|
01/19/2010 |
Common Stock
|
8,631
|
$
10.35
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
Â
(1)
|
02/15/2011 |
Common Stock
|
8,000
|
$
21.3
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
Â
(1)
|
01/01/2012 |
Common Stock
|
1,725
|
$
18.73
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
Â
(1)
|
01/18/2012 |
Common Stock
|
8,900
|
$
17.78
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
Â
(1)
|
01/02/2013 |
Common Stock
|
4,573
|
$
14.03
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
Â
(1)
|
01/23/2013 |
Common Stock
|
10,500
|
$
13.19
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
Â
(1)
|
01/05/2014 |
Common Stock
|
4,186
|
$
15.91
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
Â
(1)
|
01/23/2014 |
Common Stock
|
12,500
|
$
15.51
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
Â
(1)
|
01/20/2015 |
Common Stock
|
16,878
|
$
14.25
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
Â
(1)
|
12/31/2015 |
Common Stock
|
24,298
|
$
16.43
|
D
|
Â
|