Live feed16:43:49·1321dINSIDERFilingvia QuantisnowSEC Form 4: Costantino Kevin M exercised 58,472 shares at a strike of $10.06 and covered exercise/tax liability with 32,336 shares, increasing direct ownership by 32% to 106,905 units to satisfy withholding taxByQuantisnow·Wall Street's wire, on your screen.GHL· Greenhill & Co. Inc.FinanceOriginal source