$MAT SEC Filings

Filing Filed On
FORM 8-K 19 May 2005
PRIMARY DOCUMENT 19 May 2005
PRIMARY DOCUMENT 19 May 2005
PRIMARY DOCUMENT 19 May 2005
PRIMARY DOCUMENT 19 May 2005
FORM 10-Q 04 May 2005
FORM 8-K 15 Apr 2005
DEFINITIVE PROXY STATEMENT 13 Apr 2005
FORM 8-K 08 Apr 2005
PRIMARY DOCUMENT 04 Apr 2005
PRIMARY DOCUMENT 04 Apr 2005
PRIMARY DOCUMENT 04 Apr 2005
FORM 8-K 29 Mar 2005
FORM 8-K 22 Mar 2005
FORM 8-K 18 Mar 2005
FORM 8-K 18 Mar 2005
PRIMARY DOCUMENT 18 Mar 2005
PRIMARY DOCUMENT 18 Mar 2005
FORM 10-K 08 Mar 2005
PRIMARY DOCUMENT 01 Mar 2005