Live feed17:04:40·137dINSIDERFilingvia QuantisnowDirector Amron Arthur H bought $18,900 worth of shares (10,000 units at $1.89), increasing direct ownership by 21% to 57,135 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.TUSK· Mammoth Energy Services Inc.EnergyOriginal source