Live feed15:36:58·510dINSIDERFilingvia QuantisnowSecretary Mcnamara Dennis P acquired 3,085 units of Class A non-voting common stock, increasing direct ownership by 15% to 23,766 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.OPY· Oppenheimer Holdings Inc.FinanceOriginal source