Live feed16:28:18·1596dINSIDERFilingvia QuantisnowSEC Form 4: Lohoefener Sirikka R converted options into 1,690 shares and covered exercise/tax liability with 668 shares, increasing direct ownership by 153% to 1,692 unitsByQuantisnow·Wall Street's wire, on your screen.WLL· Whiting Petroleum CorporationEnergyOriginal source