Live feed17:40:39·1554dINSIDERFilingvia QuantisnowSEC Form 4: Kunin David B bought $26,269 worth of shares (2,606 units at $10.08), increasing direct ownership by 7% to 41,521 unitsByQuantisnow·Wall Street's wire, on your screen.NSYS· Nortech Systems IncorporatedTechnologyOriginal source