0001127602-21-000096.txt : 20210104 0001127602-21-000096.hdr.sgml : 20210104 20210104134052 ACCESSION NUMBER: 0001127602-21-000096 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20201231 FILED AS OF DATE: 20210104 DATE AS OF CHANGE: 20210104 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Li David H CENTRAL INDEX KEY: 0001436880 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-30205 FILM NUMBER: 21501092 MAIL ADDRESS: STREET 1: 870 N COMMONS DR CITY: AURORA STATE: IL ZIP: 60504 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: CMC Materials, Inc. CENTRAL INDEX KEY: 0001102934 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] IRS NUMBER: 364324765 STATE OF INCORPORATION: DE FISCAL YEAR END: 0930 BUSINESS ADDRESS: STREET 1: 870 NORTH COMMONS DRIVE CITY: AURORA STATE: IL ZIP: 60504 BUSINESS PHONE: 6303755461 MAIL ADDRESS: STREET 1: 870 N COMMONS DR CITY: AURORA STATE: IL ZIP: 60504 FORMER COMPANY: FORMER CONFORMED NAME: CABOT MICROELECTRONICS CORP DATE OF NAME CHANGE: 20000110 4 1 form4.xml PRIMARY DOCUMENT X0306 4 2020-12-31 0001102934 CMC Materials, Inc. CCMP 0001436880 Li David H C/O CABOT MICROELECTRONICS CORPORATION 870 COMMONS DRIVE AURORA IL 60504 1 President and CEO Common Stock 2020-12-31 4 A 0 94.261 112.719 A 83334.6889 D /s/ H. Carol Bernstein (Power of Attorney) 2021-01-04