Live feed13:05:50·1806dINSIDERFilingvia QuantisnowSEC Form 4: Henderson James P converted options into 11,575 units of Common Stock and covered exercise/tax liability with 5,082 units of Common Stock, increasing direct ownership by 50% to 19,483 unitsByQuantisnow·Wall Street's wire, on your screen.WLL· Whiting Petroleum CorporationEnergyOriginal source