Live feed16:28:48·7dINSIDERFilingvia QuantisnowDirector Amron Arthur H bought $14,610 worth of shares (4,500 units at $3.25), increasing direct ownership by 7% to 67,135 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.TUSK· Mammoth Energy Services Inc.EnergyOriginal source