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)
|
11/20/1996 |
11/20/2006 |
Common Stock
|
82,124
|
$
17.51
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
03/06/1997 |
03/06/2007 |
Common Stock
|
1,107,856
|
$
13.92
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
02/26/1998 |
02/26/2008 |
Common Stock
|
1,231,875
|
$
18.49
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
01/04/1999 |
01/04/2009 |
Common Stock
|
410,625
|
$
29.23
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
02/18/1999 |
02/18/2009 |
Common Stock
|
410,625
|
$
28.77
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
02/26/1999 |
02/26/2009 |
Common Stock
|
410,625
|
$
28.88
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
02/17/2000 |
02/17/2010 |
Common Stock
|
1,140,625
|
$
24.82
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
09/09/2000 |
09/09/2010 |
Common Stock
|
205,313
|
$
38.96
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
02/22/2001 |
02/22/2011 |
Common Stock
|
292,000
|
$
57.7
|
D
|
Â
|
Employee Stock Option (Right to Buy)
|
03/04/2002 |
03/04/2012 |
Common Stock
|
328,500
|
$
91.37
|
D
|
Â
|