Live feed16:20:06·137dINSIDERFilingvia QuantisnowDirector Perretta Christopher sold $280,100 worth of shares (10,000 units at $28.01), decreasing direct ownership by 20% to 40,866 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.NTCT· NetScout Systems Inc.TechnologyOriginal source