Live feed16:14:08·113dINSIDERFilingvia QuantisnowChief Commercial Officer Fietz Shelby Kyle converted options into 18,868 shares and covered exercise/tax liability with 4,595 shares, increasing direct ownership by 7% to 221,232 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.PUMP· ProPetro Holding Corp.EnergyOriginal source