Live feed18:25:15·1490dINSIDERFilingvia QuantisnowSEC Form 4: Kunin David B bought $47,982 worth of shares (4,752 units at $10.10), increasing direct ownership by 8% to 63,602 unitsByQuantisnow·Wall Street's wire, on your screen.NSYS· Nortech Systems IncorporatedTechnologyOriginal source