Live feed21:54:31·1254dINSIDERFilingvia QuantisnowSEC Form 4: Drummond Robert Wayne Jr converted options into 147,876 shares and covered exercise/tax liability with 63,506 shares, increasing direct ownership by 7% to 1,252,713 unitsByQuantisnow·Wall Street's wire, on your screen.NEX· NexTier Oilfield Solutions Inc.EnergyOriginal source