$MTX SEC Filings

Filing Filed On
MTI REPORT ON FORM 11-K FOR YEAR ENDED DECEMBER 31, 2017 20 Jun 2018
FORM 4 18 Jun 2018
FORM 4 18 Jun 2018
FORM 4 18 Jun 2018
FORM 4 18 Jun 2018
FORM 4 18 Jun 2018
FORM 4 18 Jun 2018
FORM 4 18 Jun 2018
FORM 4 18 Jun 2018
PRIMARY DOCUMENT 13 Jun 2018
PRIMARY DOCUMENT 04 Jun 2018
MTI REPORT ON FORM 8-K DATED MAY 31, 2018 01 Jun 2018
CONFLICT MINERALS DISCLOSURE 31 May 2018
FORM 4/A 21 May 2018
FORM 4/A 21 May 2018
FORM 4/A 21 May 2018
FORM 4/A 21 May 2018
FORM 4/A 21 May 2018
FORM 4/A 21 May 2018
FORM 4/A 21 May 2018