<SEC-DOCUMENT>0001209191-23-003721-index.html : 20230118 <SEC-HEADER>0001209191-23-003721.hdr.sgml : 20230118 <ACCEPTANCE-DATETIME>20230118161424 ACCESSION NUMBER: 0001209191-23-003721 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230113 FILED AS OF DATE: 20230118 DATE AS OF CHANGE: 20230118 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: LUDWIG MICHAEL M CENTRAL INDEX KEY: 0001256949 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 000-11412 FILM NUMBER: 23534564 MAIL ADDRESS: STREET 1: C/O AMTECH SYSTEMS, INC. STREET 2: 131 S CLARK DRIVE CITY: TEMPE STATE: AZ ZIP: 85288 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: 85288 BUSINESS PHONE: 4809675146 MAIL ADDRESS: STREET 1: 131 SOUTH CLARK DRIVE CITY: TEMPE STATE: AZ ZIP: 85288 FORMER COMPANY: FORMER CONFORMED NAME: QUARTZ ENGINEERING & MATERIALS INC DATE OF NAME CHANGE: 19870715 </SEC-HEADER> <DOCUMENT> <TYPE>3 <SEQUENCE>1 <FILENAME>doc3.xml <DESCRIPTION>FORM 3 SUBMISSION <TEXT> Document 1 - file: doc3.html
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