Live feed16:05:54·15dINSIDERFilingvia QuantisnowChief Accounting Officer Mucha Ben sold $481,626 worth of shares (5,946 units at $81.00), decreasing direct ownership by 63% to 3,485 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.WAL· Western Alliance BancorporationFinanceOriginal source