<SEC-DOCUMENT>0000720500-18-000030-index.html : 20180515 <SEC-HEADER>0000720500-18-000030.hdr.sgml : 20180515 <ACCEPTANCE-DATETIME>20180515162849 ACCESSION NUMBER: 0000720500-18-000030 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180511 FILED AS OF DATE: 20180515 DATE AS OF CHANGE: 20180515 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: WHANG MICHAEL CENTRAL INDEX KEY: 0001727924 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-11412 FILM NUMBER: 18836980 MAIL ADDRESS: STREET 1: 131 S CLARK DRIVE CITY: TEMPE STATE: AZ ZIP: 85281 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: AMTECH SYSTEMS INC CENTRAL INDEX KEY: 0000720500 STANDARD INDUSTRIAL CLASSIFICATION: SPECIAL INDUSTRY MACHINERY, NEC [3559] IRS NUMBER: 860411215 STATE OF INCORPORATION: AZ FISCAL YEAR END: 0930 BUSINESS ADDRESS: STREET 1: 131 SOUTH CLARK DRIVE CITY: TEMPE STATE: AZ ZIP: 85281 BUSINESS PHONE: 4809675146 MAIL ADDRESS: STREET 1: 131 SOUTH CLARK DRIVE CITY: TEMPE STATE: AZ ZIP: 85281 FORMER COMPANY: FORMER CONFORMED NAME: QUARTZ ENGINEERING & MATERIALS INC DATE OF NAME CHANGE: 19870715 </SEC-HEADER> <DOCUMENT> <TYPE>4 <SEQUENCE>1 <FILENAME>wf-form4_152641611487889.xml <DESCRIPTION>FORM 4 <TEXT> Document 1 - file: wf-form4_152641611487889.html
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