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 (right to buy)
|
01/03/2006 |
01/02/2013 |
Common Stock
|
15,000
|
$
3.8
|
D
|
Â
|
Stock Options (right to buy)
|
12/04/2005 |
12/03/2012 |
Common Stock
|
15,000
|
$
4.06
|
D
|
Â
|
Stock Options (right to buy)
|
02/03/2006 |
02/02/2013 |
Common Stock
|
15,000
|
$
4.15
|
D
|
Â
|
Stock Options (right to buy)
|
02/01/2003 |
02/01/2012 |
Common Stock
|
65,938
|
$
7.74
|
D
|
Â
|
Stock Options (right to buy)
|
02/01/1999 |
12/05/2005 |
Common Stock
|
6,342
|
$
8.7
|
D
|
Â
|
Stock Options (right to buy)
|
06/07/1996 |
06/06/2005 |
Common Stock
|
1,086
|
$
8.84
|
D
|
Â
|
Stock Options (right to buy)
|
10/03/2002 |
10/03/2011 |
Common Stock
|
40,000
|
$
8.98
|
D
|
Â
|
Stock Options (right to buy)
|
02/01/2000 |
10/05/2008 |
Common Stock
|
24,000
|
$
9.38
|
D
|
Â
|
Stock Options (right to buy)
|
12/05/2002 |
12/05/2011 |
Common Stock
|
42,500
|
$
9.95
|
D
|
Â
|
Stock Options (right to buy)
|
01/02/2006 |
01/01/2014 |
Common Stock
|
14,000
|
$
10.4
|
D
|
Â
|
Stock Options (right to buy)
|
02/01/2008 |
01/31/2015 |
Common Stock
|
16,250
|
$
10.98
|
D
|
Â
|
Stock Options (right to buy)
|
12/03/2004 |
12/02/2013 |
Common Stock
|
28,000
|
$
11.21
|
D
|
Â
|
Stock Options (right to buy)
|
02/01/1999 |
02/04/2007 |
Common Stock
|
6,000
|
$
11.77
|
D
|
Â
|
Stock Options (right to buy)
|
01/03/2007 |
01/02/2015 |
Common Stock
|
16,250
|
$
11.84
|
D
|
Â
|
Stock Options (right to buy)
|
12/01/2005 |
11/30/2014 |
Common Stock
|
32,500
|
$
12.7
|
D
|
Â
|
Stock Options (right to buy)
|
12/01/2004 |
02/01/2014 |
Common Stock
|
14,000
|
$
12.79
|
D
|
Â
|
Stock Options (right to buy)
|
08/15/2002 |
08/15/2006 |
Common Stock
|
41,750
|
$
15.28
|
D
|
Â
|
Stock Options (right to buy)
|
05/15/2002 |
05/15/2006 |
Common Stock
|
41,750
|
$
21.15
|
D
|
Â
|
Stock Options (right to buy)
|
02/01/2001 |
11/30/2009 |
Common Stock
|
12,000
|
$
31.83
|
D
|
Â
|
Stock Options (right to buy)
|
12/06/2001 |
12/05/2010 |
Common Stock
|
35,000
|
$
70.75
|
D
|
Â
|
Stock Options (right to buy)
|
06/06/2003 |
06/05/2010 |
Common Stock
|
120,000
|
$
72.11
|
D
|
Â
|