Live feed17:16:05·1519dINSIDERFilingvia QuantisnowSEC Form 4: Kunin David B bought $8,576 worth of shares (845 units at $10.15), increasing direct ownership by 2% to 53,618 unitsByQuantisnow·Wall Street's wire, on your screen.NSYS· Nortech Systems IncorporatedTechnologyOriginal source