Toronto, Ontario--(Newsfile Corp. - January 18, 2021) -  Datametrex AI Limited (TSXV: DM) (FSE: D4G) (OTC Pink: DTMXF) (the "Company" or "Datametrex"), is pleased to announce that Marshall Gunter, Chief Executive Officer of the Company, exercised 1,642,300 options with an exercise price of $0.05 for gross proceeds of the Company....