$MAT SEC Filings

Filing Filed On
FORM 11-K 21 Jun 2013
UPLOAD 12 Jun 2013
CORRESP 03 Jun 2013
FORM 8-K 31 May 2013
UPLOAD 20 May 2013
PRIMARY DOCUMENT 20 May 2013
PRIMARY DOCUMENT 16 May 2013
FORM 8-K 14 May 2013
PRIMARY DOCUMENT 13 May 2013
PRIMARY DOCUMENT 13 May 2013
PRIMARY DOCUMENT 13 May 2013
PRIMARY DOCUMENT 13 May 2013
PRIMARY DOCUMENT 13 May 2013
PRIMARY DOCUMENT 13 May 2013
PRIMARY DOCUMENT 13 May 2013
PRIMARY DOCUMENT 13 May 2013
PRIMARY DOCUMENT 13 May 2013
PRIMARY DOCUMENT 13 May 2013
PRIMARY DOCUMENT 13 May 2013
PRIMARY DOCUMENT 09 May 2013