Live feed17:34:20·1498dINSIDERFilingvia QuantisnowSEC Form 4: Kunin David B bought $22,126 worth of shares (2,232 units at $9.91), increasing direct ownership by 4% to 58,850 unitsByQuantisnow·Wall Street's wire, on your screen.NSYS· Nortech Systems IncorporatedTechnologyOriginal source