Live feed21:56:12·1257dINSIDERFilingvia QuantisnowSEC Form 4: Mcdonald Kevin M converted options into 40,543 shares and covered exercise/tax liability with 16,023 shares, increasing direct ownership by 9% to 285,258 unitsByQuantisnow·Wall Street's wire, on your screen.NEX· NexTier Oilfield Solutions Inc.EnergyOriginal source
