0000950170-24-024901.txt : 20240304 0000950170-24-024901.hdr.sgml : 20240304 20240304171759 ACCESSION NUMBER: 0000950170-24-024901 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240301 FILED AS OF DATE: 20240304 DATE AS OF CHANGE: 20240304 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: LUDWIG MICHAEL M CENTRAL INDEX KEY: 0001256949 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-11412 FILM NUMBER: 24715598 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] ORGANIZATION NAME: 06 Technology 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 4 1 ownership.xml 4 X0508 4 2024-03-01 0000720500 AMTECH SYSTEMS INC ASYS 0001256949 LUDWIG MICHAEL M C/O AMTECH SYSTEMS, INC. 131 S. CLARK DRIVE TEMPE AZ 85288 true false false false false Amtech Systems, Inc. $0.01 par value common stock 2024-03-01 4 M false 4189 0 A 7189 D Restricted Stock Units 0 2024-03-01 4 M false 4189 0 D 2024-03-01 Amtech Systems, Inc. $0.01 par value common stock 4189 0 D Each restricted stock unit represents a contingent right to receive one share of Common Stock of Amtech Systems, Inc. The restricted stock units were granted on March 1, 2023, with full vesting to occur on the first anniversary of the grant date. /s/ Lisa D. Gibbs, by power of attorney 2024-03-04