Live feed16:48:07·92dINSIDERFilingvia QuantisnowCEO Lowenthal Albert G acquired 55,725 units of Class A non-voting common stock, increasing direct ownership by 28% to 254,876 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.OPY· Oppenheimer Holdings Inc.FinanceOriginal source