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 Options (Granted 2/16/2007)
|
02/16/2007 |
05/13/2016 |
Common Stock
|
77,122
|
$
12.02
|
D
|
Â
|
Stock Options (Granted 2/18/2011)
|
02/18/2011 |
05/13/2016 |
Common Stock
|
118,649
|
$
5.08
|
D
|
Â
|
Stock Options (Granted 2/19/2010)
|
02/19/2010 |
05/13/2016 |
Common Stock
|
56,952
|
$
5.18
|
D
|
Â
|
Stock Options (Granted 2/20/2009)
|
02/20/2009 |
05/13/2016 |
Common Stock
|
61,261
|
$
6.82
|
D
|
Â
|
Stock Options (Granted 2/20/2015)
|
02/20/2015 |
05/13/2016 |
Common Stock
|
14,238
|
$
10.72
|
D
|
Â
|
Stock Options (Granted 2/21/2014)
|
02/21/2014 |
05/13/2016 |
Common Stock
|
9,492
|
$
8.24
|
D
|
Â
|
Stock Options (Granted 2/22/2008)
|
02/22/2008 |
05/13/2016 |
Common Stock
|
75,935
|
$
11.38
|
D
|
Â
|
Stock Options (Granted 2/22/2013)
|
02/22/2013 |
05/13/2016 |
Common Stock
|
16,611
|
$
6.97
|
D
|
Â
|
Stock Options (Granted 3/27/2012)
|
03/27/2012 |
05/13/2016 |
Common Stock
|
118,650
|
$
4.96
|
D
|
Â
|