$MAT SEC Filings

Filing Filed On
FORM 3 02 Jul 2020
FORM 4 02 Jul 2020
FORM 3 02 Jul 2020
11-K 25 Jun 2020
8-K 23 Jun 2020
8-K 16 Jun 2020
FORM 4 15 Jun 2020
FORM 4 12 Jun 2020
SD 29 May 2020
FORM 4 20 May 2020
FORM 4 20 May 2020
FORM 4 20 May 2020
10-Q 06 May 2020
8-K 05 May 2020
FORM 4 01 May 2020
DEFINITIVE PROXY STATEMENT 27 Apr 2020
DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS 27 Apr 2020
8-K 20 Apr 2020
8-K/A 06 Apr 2020
EDGEPOINT 13GA 19 Mar 2020