Live feed17:01:33·1538dINSIDERFilingvia QuantisnowSEC Form 4: Kunin David B bought $7,670 worth of shares (767 units at $10.00), increasing direct ownership by 2% to 47,035 unitsByQuantisnow·Wall Street's wire, on your screen.NSYS· Nortech Systems IncorporatedTechnologyOriginal source