$MAT SEC Filings

Filing Filed On
8-K 09 Feb 2021
FORM 4 02 Feb 2021
SC 13G/A 01 Feb 2021
SC 13G/A 29 Jan 2021
FORM 3 08 Jan 2021
8-K 21 Dec 2020
8-K 08 Dec 2020
UPLOAD 03 Dec 2020
CORRESP 02 Dec 2020
UPLOAD 18 Nov 2020
10-Q 03 Nov 2020
8-K 22 Oct 2020
FORM 4 01 Oct 2020
SC 13G/A 09 Sep 2020
FORM 4 12 Aug 2020
10-Q 10 Aug 2020
FORM 4 04 Aug 2020
FORM 4 04 Aug 2020
FORM 4 04 Aug 2020
FORM 4 04 Aug 2020