Live feed17:45:25·56dINSIDERFilingvia QuantisnowVice President Siffermann William A bought $1,048 worth of shares (100 units at $10.48), increasing direct ownership by 12% to 914 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.NMZ· Nuveen Municipal High Income Opportunity FundFinanceOriginal source