<SEC-DOCUMENT>0001628280-19-001763-index.html : 20190222
<SEC-HEADER>0001628280-19-001763.hdr.sgml : 20190222
<ACCEPTANCE-DATETIME>20190222163403
ACCESSION NUMBER:		0001628280-19-001763
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190220
FILED AS OF DATE:		20190222
DATE AS OF CHANGE:		20190222

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Levy Asher
		CENTRAL INDEX KEY:			0001767689

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-09992
		FILM NUMBER:		19626169

	MAIL ADDRESS:	
		STREET 1:		ONE TECHNOLOGY DRIVE
		CITY:			MILPITAS
		STATE:			CA
		ZIP:			95035

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KLA TENCOR CORP
		CENTRAL INDEX KEY:			0000319201
		STANDARD INDUSTRIAL CLASSIFICATION:	OPTICAL INSTRUMENTS & LENSES [3827]
		IRS NUMBER:				042564110
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		ONE TECHNOLOGY DRIVE
		CITY:			MILPITAS
		STATE:			CA
		ZIP:			95035
		BUSINESS PHONE:		4088756000

	MAIL ADDRESS:	
		STREET 1:		ONE TECHNOLOGY DRIVE
		CITY:			MILPITAS
		STATE:			CA
		ZIP:			95035

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KLA INSTRUMENTS CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_155087122906886.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wf-form4_155087122906886.html

Document 1 - RAW XML: wf-form4_155087122906886.xml

</DOCUMENT>
</SEC-DOCUMENT>