$MAT SEC Filings

Filing Filed On
FORM 4 27 May 2022
FORM 4 18 May 2022
FORM 4 18 May 2022
FORM 4 18 May 2022
FORM 4 18 May 2022
FORM 4 18 May 2022
10-Q 03 May 2022
FORM 4 03 May 2022
FORM 4 03 May 2022
FORM 4 03 May 2022
FORM 4 03 May 2022
FORM 4 03 May 2022
FORM 4 03 May 2022
FORM 4 03 May 2022
FORM 4 03 May 2022
8-K 27 Apr 2022
DEFINITIVE PROXY STATEMENT 12 Apr 2022
DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS 12 Apr 2022
8-K 05 Apr 2022
8-K 29 Mar 2022