Live feed16:47:18·92dINSIDERFilingvia QuantisnowSecretary Mcnamara Dennis P acquired 3,084 units of Class A non-voting common stock, increasing direct ownership by 14% to 24,850 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.OPY· Oppenheimer Holdings Inc.FinanceOriginal source