<SEC-DOCUMENT>0001102934-21-000024-index.html : 20210506 <SEC-HEADER>0001102934-21-000024.hdr.sgml : 20210506 <ACCEPTANCE-DATETIME>20210506125544 ACCESSION NUMBER: 0001102934-21-000024 CONFORMED SUBMISSION TYPE: S-8 POS PUBLIC DOCUMENT COUNT: 3 FILED AS OF DATE: 20210506 DATE AS OF CHANGE: 20210506 EFFECTIVENESS DATE: 20210506 FILER: 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 FILING VALUES: FORM TYPE: S-8 POS SEC ACT: 1933 Act SEC FILE NUMBER: 333-179955 FILM NUMBER: 21896828 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 </SEC-HEADER> <DOCUMENT> <TYPE>S-8 POS <SEQUENCE>1 <FILENAME>ccmp-20210506sx8pos.htm <DESCRIPTION>S-8 POS <TEXT> Document 1 - file: ccmp-20210506sx8pos.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-5.2 <SEQUENCE>2 <FILENAME>exhibit52opinionpos.htm <DESCRIPTION>EX-5.2 <TEXT> Document 2 - file: exhibit52opinionpos.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.1 <SEQUENCE>3 <FILENAME>exhibit231consentpos.htm <DESCRIPTION>EX-23.1 <TEXT> Document 3 - file: exhibit231consentpos.htm
</DOCUMENT> </SEC-DOCUMENT>