Live feed17:28:40·1139dINSIDERFilingvia QuantisnowSEC Form 4: Kunin David B bought $5,339 worth of shares (445 units at $12.00), increasing direct ownership by 0.69% to 64,942 unitsByQuantisnow·Wall Street's wire, on your screen.NSYS· Nortech Systems IncorporatedTechnologyOriginal source