Live feed16:15:36·59dINSIDERFilingvia QuantisnowChairman & CEO Walker William M bought $474,632 worth of shares (10,000 units at $47.46), increasing direct ownership by 2% to 488,948 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.WD· Walker & Dunlop IncFinanceOriginal source