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)
|
01/04/1999 |
01/03/2009 |
Common Stock
|
52,061
|
$
9.57
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
01/03/2000 |
01/02/2010 |
Common Stock
|
52,061
|
$
8.81
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
01/26/2001 |
01/25/2011 |
Common Stock
|
52,061
|
$
10.25
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
01/24/2002 |
01/23/2012 |
Common Stock
|
21,692
|
$
9.5
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
07/29/2002 |
07/28/2012 |
Common Stock
|
7,232
|
$
5.87
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
02/03/2003 |
02/02/2013 |
Common Stock
|
11,570
|
$
4.47
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
08/04/2003 |
08/03/2013 |
Common Stock
|
11,570
|
$
6.31
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
03/01/2004 |
03/01/2014 |
Common Stock
|
26,030
|
$
10.45
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
03/01/2005 |
03/01/2015 |
Common Stock
|
8,722
|
$
17.97
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
02/13/2006 |
02/12/2016 |
Common Stock
|
17,356
|
$
17.82
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
10/05/2006 |
10/04/2016 |
Common Stock
|
25,534
|
$
18.19
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
03/01/2007 |
03/01/2017 |
Common Stock
|
28,668
|
$
21.27
|
D
|
Â
|