Live feed09:18:23·873dINSIDERFilingvia QuantisnowEhrhardt William disposed of 3,000 units of Class A non-voting common stock, decreasing direct ownership by 7% to 37,350 units (SEC Form 4) (Amendment)ByQuantisnow·Wall Street's wire, on your screen.OPY· Oppenheimer Holdings Inc.FinanceOriginal source