$MAT SEC Filings

Filing Filed On
PRIMARY DOCUMENT 31 Aug 2011
FORM 8-K 30 Aug 2011
PRIMARY DOCUMENT 02 Aug 2011
PRIMARY DOCUMENT 02 Aug 2011
PRIMARY DOCUMENT 02 Aug 2011
PRIMARY DOCUMENT 02 Aug 2011
PRIMARY DOCUMENT 02 Aug 2011
PRIMARY DOCUMENT 02 Aug 2011
PRIMARY DOCUMENT 02 Aug 2011
PRIMARY DOCUMENT 02 Aug 2011
PRIMARY DOCUMENT 02 Aug 2011
PRIMARY DOCUMENT 02 Aug 2011
PRIMARY DOCUMENT 02 Aug 2011
PRIMARY DOCUMENT 02 Aug 2011
PRIMARY DOCUMENT 02 Aug 2011
FORM 10-Q 20 Jul 2011
PRIMARY DOCUMENT 19 Jul 2011
FORM 8-K 15 Jul 2011
PRIMARY DOCUMENT 06 Jul 2011
PRIMARY DOCUMENT 06 Jul 2011