Live feed16:32:21·1746dINSIDERFilingvia QuantisnowSEC Form 4: Whang Jong S exercised 36,667 units of Amtech Systems at a strike of $7.98 and sold $375,580 worth of Amtech Systems (36,667 units at $10.24)ByQuantisnow·Wall Street's wire, on your screen.ASYS· Amtech Systems Inc.TechnologyOriginal source