$MAT SEC Filings

Filing Filed On
FORM 4 23 May 2017
FORM 4 23 May 2017
FORM 4 23 May 2017
FORM 4 23 May 2017
FORM 4 17 May 2017
FORM 4 17 May 2017
FORM 4 17 May 2017
FORM 4 17 May 2017
FORM 4 17 May 2017
FORM 4 17 May 2017
FORM 4 17 May 2017
FORM 4 09 May 2017
FORM 4 05 May 2017
FORM 4 02 May 2017
FORM 4 26 Apr 2017
FORM 4 17 Apr 2017
FORM 4 10 Apr 2017
FORM 4 09 Mar 2017
FORM 4 23 Feb 2017
FORM 4 15 Feb 2017