<SEC-DOCUMENT>0001628280-19-001763.txt : 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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<SEQUENCE>1
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    <footnotes>
        <footnote id="F1">Received in exchange for 105,095 ordinary shares of Orbotech Ltd. in connection with the merger (the &quot;Merger&quot;) of Tiburon Merger Sub Technologies Ltd. with and into Orbotech Ltd.  Pursuant to the agreement governing the merger, each Orbotech ordinary share is entitled to receive $38.86 and 0.25 of a share of KLA-Tencor Corporation common stock, with cash in lieu of a fractional share.</footnote>
        <footnote id="F2">Received in exchange for 1,666 vested options to purchase Orbotech Ltd. ordinary shares at an exercise price of $15.57 per ordinary share in connection with the Merger.</footnote>
        <footnote id="F3">Received in exchange for 5,197 vested options to purchase Orbotech Ltd. ordinary shares at an exercise price of $27.45 per ordinary share in connection with the Merger.</footnote>
        <footnote id="F4">Each restricted stock unit (&quot;RSU&quot;) represents a contingent right to receive one share of KLA-Tencor common stock.</footnote>
        <footnote id="F5">On February 20, 2019 the reporting person received a grant of RSUs which vest as to 50% of the award on July 1, 2019 and as to the remaining 50% of the award on December 31, 2019, subject to continued service.</footnote>
        <footnote id="F6">Does not include performance-based RSUs, if any, held by the Reporting Person for which an assessment has not yet been made regarding the achievement of the applicable performance goals.  Any such holdings will be reported on a Form 4 within two business days of the date such assessment is made.</footnote>
        <footnote id="F7">Assumed by KLA-Tencor Corporation in connection with the Merger.  Formerly represented unvested restricted stock units for 4,887 ordinary shares of Orbotech Ltd.  The RSUs vest in full on August 3, 2019.</footnote>
        <footnote id="F8">Assumed by KLA-Tencor Corporation in connection with the Merger. Formerly represented unvested restricted stock units for 1,629 ordinary shares of Orbotech Ltd.  The RSUs vest in full on August 3, 2019.</footnote>
        <footnote id="F9">Assumed by KLA-Tencor Corporation in connection with the Merger. Formerly represented unvested restricted stock units for 5,464 ordinary shares of Orbotech Ltd.  The RSU vests as to 50% of the underlying shares on each of September 12, 2019 and September 12, 2020.</footnote>
        <footnote id="F10">Assumed by KLA-Tencor Corporation in connection with the Merger. Formerly represented unvested restricted stock units for 2,276 ordinary shares of Orbotech Ltd. The RSU vests as to 50% of the underlying shares on each of September 12, 2019 and September 12, 2020.</footnote>
        <footnote id="F11">Assumed by KLA-Tencor Corporation in connection with the Merger. Formerly represented unvested restricted stock units for 10,928 ordinary shares of Orbotech Ltd.  The RSU vests as to 50% of the underlying shares on each of September 12, 2019 and September 12, 2020.</footnote>
        <footnote id="F12">Assumed by KLA-Tencor Corporation in connection with the Merger. Formerly represented unvested restricted stock units for 9,126 ordinary shares of Orbotech Ltd.  The RSU vests as to 50% of the underlying shares on June 29, 2019 and 25% of the underlying shares on each of June 29, 2020 and 2021.</footnote>
        <footnote id="F13">Assumed by KLA-Tencor Corporation in connection with the Merger. Formerly represented unvested restricted stock units for 3,803 ordinary shares of Orbotech Ltd.  The RSU vests as to 50% of the underlying shares on June 29, 2019 and 25% of the underlying shares on each of June 29, 2020 and 2021.</footnote>
        <footnote id="F14">Assumed by KLA-Tencor Corporation in connection with the Merger. Formerly represented unvested restricted stock units for 4,766 ordinary shares of Orbotech Ltd.  The RSU vests as to 50% of the underlying shares on June 21, 2020 and 25% of the underlying shares on each of June 21, 2021 and 2022.</footnote>
        <footnote id="F15">Assumed by KLA-Tencor Corporation in connection with the Merger. Formerly represented unvested restricted stock units for 1,986 ordinary shares of Orbotech Ltd.  The RSU vests as to 50% of the underlying shares on June 21, 2020 and 25% of the underlying shares on each of June 21, 2021 and 2022.</footnote>
        <footnote id="F16">Received in exchange for unvested options to purchase 4,217 Orbotech Ltd. ordinary shares at an exercise price of $62.95 per share in connection with the Merger.</footnote>
        <footnote id="F17">Vests as to 50% of the underlying shares on June 21, 2020 and 25% of the underlying shares on each of June 21, 2021 and 2022.</footnote>
        <footnote id="F18">Received in exchange for unvested options to purchase 8,024 Orbotech Ltd. ordinary shares at an exercise price of $32.87 per share in connection with the Merger.</footnote>
        <footnote id="F19">Vests as to 50% of the underlying shares on June 29, 2019 and 25% of the underlying shares on each of June 29, 2020 and 2021.</footnote>
        <footnote id="F20">Received in exchange for unvested options to purchase 5,196 Orbotech Ltd. ordinary shares at an exercise price of $27.45 per share in connection with the Merger.</footnote>
        <footnote id="F21">Vests as to 50% of the underlying shares on each of September 12, 2019 and 2020.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jeffrey Cannon, attorney-in-fact</signatureName>
        <signatureDate>2019-02-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
