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 |
Incentive Stock Option (Right to Buy)
|
04/16/2016 |
04/16/2025 |
Common Stock
|
5,651
|
$
14.55
|
D
|
Â
|
Incentive Stock Option (Right to Buy)
|
04/24/2015 |
04/24/2024 |
Common Stock
|
8,478
|
$
13.32
|
D
|
Â
|
Incentive Stock Option (Right to Buy)
|
04/26/2014 |
04/26/2023 |
Common Stock
|
10,294
|
$
11.25
|
D
|
Â
|
Incentive Stock Option (Right to Buy)
|
05/15/2009 |
05/15/2018 |
Common Stock
|
6,255
|
$
13.15
|
D
|
Â
|
Incentive Stock Option (Right to Buy)
|
05/17/2013 |
05/17/2022 |
Common Stock
|
7,486
|
$
10.9
|
D
|
Â
|
Incentive Stock Option (Right to Buy)
|
05/08/2008 |
05/08/2017 |
Common Stock
|
6,138
|
$
17.88
|
D
|
Â
|
Incentive Stock Option (Right to Buy)
|
06/14/2011 |
06/14/2020 |
Common Stock
|
8,991
|
$
13.7
|
D
|
Â
|
Incentive Stock Option (Right to Buy)
|
06/23/2007 |
06/23/2016 |
Common Stock
|
7,722
|
$
15.28
|
D
|
Â
|
Incentive Stock Option (Right to Buy)
|
06/24/2012 |
06/24/2021 |
Common Stock
|
7,160
|
$
14.58
|
D
|
Â
|
Non-Qualified Stock Option (Right to Buy)
|
04/16/2016 |
04/16/2025 |
Common Stock
|
12,349
|
$
14.55
|
D
|
Â
|
Non-Qualified Stock Option (Right to Buy)
|
04/24/2015 |
04/24/2024 |
Common Stock
|
16,522
|
$
13.32
|
D
|
Â
|
Non-Qualified Stock Option (Right to Buy)
|
04/26/2014 |
04/26/2023 |
Common Stock
|
14,706
|
$
11.25
|
D
|
Â
|
Non-Qualified Stock Option (Right to Buy)
|
05/15/2009 |
05/15/2018 |
Common Stock
|
1,245
|
$
13.15
|
D
|
Â
|
Non-Qualified Stock Option (Right to Buy)
|
05/17/2013 |
05/17/2022 |
Common Stock
|
2,514
|
$
10.9
|
D
|
Â
|
Non-Qualified Stock Option (Right to Buy)
|
05/08/2008 |
05/08/2017 |
Common Stock
|
8,862
|
$
17.88
|
D
|
Â
|
Non-Qualified Stock Option (Right to Buy)
|
06/14/2011 |
06/14/2020 |
Common Stock
|
11,009
|
$
13.7
|
D
|
Â
|
Non-Qualified Stock Option (Right to Buy)
|
06/23/2006 |
06/23/2016 |
Common Stock
|
7,278
|
$
15.28
|
D
|
Â
|
Non-Qualified Stock Option (Right to Buy)
|
06/24/2012 |
06/24/2021 |
Common Stock
|
12,840
|
$
14.58
|
D
|
Â
|