$MAT SEC Filings

Filing Filed On
PRIMARY DOCUMENT 14 Sep 2007
PRIMARY DOCUMENT 05 Sep 2007
PRIMARY DOCUMENT 22 May 2007
PRIMARY DOCUMENT 18 Sep 2006
PRIMARY DOCUMENT 17 Mar 2006
PRIMARY DOCUMENT 31 Aug 2005
PRIMARY DOCUMENT 22 Mar 2004
PRIMARY DOCUMENT 15 Mar 2004
PRIMARY DOCUMENT 02 Feb 2004