Live feed21:40:33·1215dINSIDERFilingvia QuantisnowSEC Form 4: Birns Ira M exercised 46,642 shares at a strike of $27.52 and covered exercise/tax liability with 43,886 shares, increasing direct ownership by 2% to 171,422 unitsByQuantisnow·Wall Street's wire, on your screen.INT· World Fuel Services CorporationEnergyOriginal source