Live feed08:39:30·61dINSIDERFilingvia QuantisnowPresident and CEO Macpherson Richard bought $750,000 worth of shares (312,500 units at $2.40), increasing direct ownership by 12% to 2,955,095 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.BCHT· Birchtech Corp.IndustrialsOriginal source