$IONS SEC Filings

Filing Filed On
10-K405 01 Apr 2002
10-K405 28 Feb 2001
FORM 10-K405 YEAR ENDED DECEMBER 31, 1999 28 Mar 2000
FORM 10-K 31 Mar 1999
FORM 10-K405 19 Mar 1998
FORM 10-K 24 Mar 1997