Live feed16:48:48·142dINSIDERFilingvia QuantisnowDirector Lowenthal Robert S acquired 35,505 units of Class A non-voting common stock, increasing direct ownership by 38% to 129,608 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.OPY· Oppenheimer Holdings Inc.FinanceOriginal source