$ENZN SEC Filings

Filing Filed On
424B3 24 Nov 2020
424B3 23 Sep 2020
PROSPECTUS SUPPLEMENT 25 Feb 2003
PROSPECTUS SUPPLEMENT TO RULE 424(B)(3) 03 Feb 2003
FORM 424B3 13 Dec 2002
PROSPECTUS SUPPLEMENT 22 Nov 2002
RULE 424(B)(3) 01 Jul 2002
PROSPECTUS SUPPLEMENT 04 Jun 2002
FORM 424B3 30 May 2002
FORM 424B3 22 May 2002
PROSPECTUS SUPPLEMENT 7 08 May 2002
PROSPECTUS SUPPLEMENT NO. 6 26 Apr 2002
424B3 20 Feb 2002
PROSPECTUS SUPPLEMENT NO. 4 22 Jan 2002
PROSPECTUS SUPPLEMENT NO. 3 11 Dec 2001
PROSPECTUS SUPPLEMENT 16 Nov 2001
PROSPECTUS SUPPLEMENT 31 Oct 2001
PROSPECTUS 25 Oct 2001
SUPPLEMENT NO. 2 07 Jun 1999
SUPPLEMENT NUMBER 1 15 Jan 1999