$MAT SEC Filings

Filing Filed On
PRIMARY DOCUMENT 03 Feb 2011
PRIMARY DOCUMENT 03 Feb 2011
PRIMARY DOCUMENT 03 Feb 2011
FORM 8-K 03 Feb 2011
PRIMARY DOCUMENT 03 Feb 2011
PRIMARY DOCUMENT 03 Feb 2011
PRIMARY DOCUMENT 03 Feb 2011
FORM 8-K 02 Feb 2011
SC 13G/A 28 Jan 2011
PRIMARY DOCUMENT 06 Jan 2011
FORM 8-K 06 Jan 2011
FORM 8-K 22 Dec 2010
FORM 8-K 16 Nov 2010
PRIMARY DOCUMENT 09 Nov 2010
FORM 10-Q 27 Oct 2010
FORM 8-K 15 Oct 2010
FORM 8-K 30 Sep 2010
FORM 8-K 28 Sep 2010
PRIMARY DOCUMENT 27 Sep 2010
FINAL PROSPECTUS SUPPLEMENT 24 Sep 2010