$MAT SEC Filings

Filing Filed On
DEF 14A 17 Apr 2024
DEF 14A 31 Mar 2023
DEFINITIVE PROXY STATEMENT 12 Apr 2022
DEFINITIVE PROXY STATEMENT 13 Apr 2021
DEFINITIVE PROXY STATEMENT 27 Apr 2020
DEF 14A 04 Apr 2019
DEF 14A 05 Apr 2018
DEF 14A 05 Apr 2017
DEF 14A 05 Apr 2016
DEF 14A 09 Apr 2015
DEF 14A 02 Apr 2014
DEF 14A 26 Mar 2013
DEFINITIVE PROXY STATEMENT 28 Mar 2012
DEFINITIVE PROXY STATEMENT 30 Mar 2011
DEFINITIVE PROXY STATEMENT 30 Mar 2010
DEFINITIVE PROXY STATEMENT 30 Mar 2009
DEFINITIVE PROXY STATEMENT 24 Apr 2008
DEFINITIVE PROXY STATEMENT 12 Apr 2007
DEFINITIVE PROXY STATEMENT 13 Apr 2006
DEFINITIVE PROXY STATEMENT 13 Apr 2005