Beneficial Ownership Report

AMTECH SYSTEMS INC Filed 2016-03-18 Acc 0001645706-16-000003

Documents 1

2017-08-24 SC 13D/A Beneficial Ownership Report
2016-03-18 SC 13D/A Beneficial Ownership Report
2016-03-18 UPLOAD SEC-generated Letter
2016-03-14 8-K Executive or director change · Shareholder vote results · Regulation FD disclosure
2011-01-31 SC 13D/A Beneficial Ownership Report

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