$ENZN SEC Filings

Filing Filed On
S-8 10 May 2011
ORIGINAL FILING ON FORM S-8 29 Jan 2007
FORM S-8 25 May 2006
FORM S-8 16 Mar 2006
REGISTRATION STATEMENT 20 Dec 2004
REGISTRATION STATEMENT 17 Dec 2002
REGISTRATION STATEMENT 29 Jun 2001
FORM S-8 17 Dec 1996