$MTX SEC Filings

Filing Filed On
FORM 3 03 Jun 2013
FORM 3 21 Mar 2013
FORM 3 25 Jan 2012
FORM 3 09 Sep 2011
3 11 May 2011
3 23 Mar 2011
FORM 3 08 Dec 2010
FORM 3 08 Dec 2010
FORM 3 06 Jan 2010
PRIMARY DOCUMENT 10 Sep 2009
PRIMARY DOCUMENT 10 Oct 2008
PRIMARY DOCUMENT 10 Jan 2008
PRIMARY DOCUMENT 07 Aug 2007
PRIMARY DOCUMENT 11 Jun 2007
PRIMARY DOCUMENT 28 Jan 2005
PRIMARY DOCUMENT 28 Jan 2005
PRIMARY DOCUMENT 16 Dec 2004
PRIMARY DOCUMENT 02 Feb 2004
PRIMARY DOCUMENT 26 Sep 2003