Live feed09:42:33·693dINSIDERFilingvia QuantisnowSecretary Mcnamara Dennis P sold $307,674 worth of Class A non-voting common stock (6,000 units at $51.28), decreasing direct ownership by 22% to 20,681 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.OPY· Oppenheimer Holdings Inc.FinanceOriginal source