$MAT SEC Filings

Filing Filed On
PRIMARY DOCUMENT 22 Apr 2013
PRIMARY DOCUMENT 19 Apr 2013
PRIMARY DOCUMENT 18 Apr 2013
PRIMARY DOCUMENT 10 Apr 2013
PRIMARY DOCUMENT 03 Apr 2013
PRIMARY DOCUMENT 03 Apr 2013
PRIMARY DOCUMENT 28 Feb 2013
PRIMARY DOCUMENT 28 Feb 2013
PRIMARY DOCUMENT 20 Feb 2013
PRIMARY DOCUMENT 20 Feb 2013
PRIMARY DOCUMENT 20 Feb 2013
PRIMARY DOCUMENT 15 Feb 2013
PRIMARY DOCUMENT 15 Feb 2013
PRIMARY DOCUMENT 15 Feb 2013
PRIMARY DOCUMENT 14 Feb 2013
PRIMARY DOCUMENT 14 Feb 2013
PRIMARY DOCUMENT 14 Feb 2013
PRIMARY DOCUMENT 14 Feb 2013
PRIMARY DOCUMENT 14 Feb 2013
PRIMARY DOCUMENT 11 Feb 2013