<SEC-DOCUMENT>0001127602-21-009382-index.html : 20210304
<SEC-HEADER>0001127602-21-009382.hdr.sgml : 20210304
<ACCEPTANCE-DATETIME>20210304154754
ACCESSION NUMBER:		0001127602-21-009382
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210303
FILED AS OF DATE:		20210304
DATE AS OF CHANGE:		20210304

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HILL RICHARD
		CENTRAL INDEX KEY:			0001185713

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-30205
		FILM NUMBER:		21714008

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
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
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Document 1 - file: form4.html

Document 1 - RAW XML: form4.xml

</DOCUMENT>
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