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)
|
04/01/1999 |
04/01/2009 |
Common Stock
|
12,000
|
$
8
|
D
|
Â
|
Incentive Stock Option (right to buy)
|
08/12/1997 |
08/12/2006 |
Common Stock
|
1,250
|
$
9.065
|
D
|
Â
|
Incentive Stock Option (right to buy)
|
12/23/1998 |
12/23/2007 |
Common Stock
|
6,000
|
$
9.75
|
D
|
Â
|
Incentive Stock Option (right to buy)
|
05/06/2006 |
05/06/2015 |
Common Stock
|
7,500
|
$
11.3
|
D
|
Â
|
Incentive Stock Option (right to buy)
|
09/09/2003 |
09/09/2012 |
Common Stock
|
2,308
|
$
11.41
|
D
|
Â
|
Incentive Stock Option (right to buy)
|
06/03/2004 |
06/03/2013 |
Common Stock
|
5,000
|
$
11.92
|
D
|
Â
|
Incentive Stock Option (right to buy)
|
08/14/1996 |
08/14/2005 |
Common Stock
|
2,500
|
$
12.75
|
D
|
Â
|
Incentive Stock Option (right to buy)
|
05/14/2003 |
05/14/2014 |
Common Stock
|
5,281
|
$
14.46
|
D
|
Â
|
Incentive Stock Option (right to buy)
|
07/21/1998 |
07/21/2007 |
Common Stock
|
4,400
|
$
15.905
|
D
|
Â
|
Incentive Stock Option (right to buy)
|
01/08/2002 |
01/08/2011 |
Common Stock
|
4,395
|
$
17
|
D
|
Â
|
Incentive Stock Option (right to buy)
|
04/22/2002 |
04/22/2012 |
Common Stock
|
5,000
|
$
19.46
|
D
|
Â
|
Incentive Stock Option (right to buy)
|
05/26/2001 |
05/26/2010 |
Common Stock
|
9,496
|
$
29.3
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
05/06/2006 |
05/06/2015 |
Common Stock
|
2,500
|
$
11.3
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
09/09/2003 |
09/09/2012 |
Common Stock
|
3,822
|
$
11.41
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
06/03/2004 |
06/03/2013 |
Common Stock
|
5,000
|
$
11.92
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
05/14/2005 |
05/14/2014 |
Common Stock
|
4,719
|
$
14.46
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
01/18/2002 |
01/08/2011 |
Common Stock
|
5,605
|
$
17
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
04/22/2003 |
04/22/2012 |
Common Stock
|
5,000
|
$
19.46
|
D
|
Â
|
Non-Qualified Stock Option (right to buy)
|
05/26/2001 |
05/26/2010 |
Common Stock
|
504
|
$
29.3
|
D
|
Â
|