<SEC-DOCUMENT>0001025996-17-000080.txt : 20170414
<SEC-HEADER>0001025996-17-000080.hdr.sgml : 20170414
<ACCEPTANCE-DATETIME>20170414121848
ACCESSION NUMBER:		0001025996-17-000080
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170412
FILED AS OF DATE:		20170414
DATE AS OF CHANGE:		20170414

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KILROY REALTY CORP
		CENTRAL INDEX KEY:			0001025996
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				954598246
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		12200 W. OLYMPIC BLVD., SUITE 200
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90064
		BUSINESS PHONE:		3104818400

	MAIL ADDRESS:	
		STREET 1:		12200 W. OLYMPIC BLVD., SUITE 200
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90064

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HAWKEN JEFFREY C
		CENTRAL INDEX KEY:			0001214278

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12675
		FILM NUMBER:		17762484

	MAIL ADDRESS:	
		STREET 1:		12200 W OLYMPIC BLVD
		STREET 2:		SUITE 200
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90064
</SEC-HEADER>
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<SEQUENCE>1
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        <issuerName>KILROY REALTY CORP</issuerName>
        <issuerTradingSymbol>NYSE: KRC</issuerTradingSymbol>
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            <rptOwnerName>HAWKEN JEFFREY C</rptOwnerName>
        </reportingOwnerId>
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            <rptOwnerStreet1>C/O KILROY REALTY CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>12200 W. OLYMPIC BLVD., SUITE 200</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90064</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP and COO</officerTitle>
            <otherText></otherText>
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    <footnotes>
        <footnote id="F1">Grant of restricted stock units in respect of dividend equivalent rights with respect to underlying restricted stock unit awards previously reported on Table I, which were granted pursuant to the Kilroy Realty 2006 Incentive Award Plan and the terms of the applicable award agreement.</footnote>
        <footnote id="F2">Crediting of restricted stock units in respect of dividend equivalent rights with respect to underlying restricted stock unit awards previously reported on Table II, which were granted pursuant to the Kilroy Realty 2006 Incentive Award Plan and the terms of the applicable award agreement.</footnote>
        <footnote id="F3">Each restricted stock unit represents a contingent right to receive one share of Issuer common stock and may be settled in cash under certain circumstances.</footnote>
        <footnote id="F4">Dividend equivalents on deferred vested performance units awarded in 2014 and previously reported on Table II.</footnote>
        <footnote id="F5">The restricted stock units vest over a four-year period starting on January 5, 2015, subject to continued employment with the Issuer on the applicable vesting date.</footnote>
        <footnote id="F6">Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.</footnote>
        <footnote id="F7">The reporting person was awarded performance units in 2015 covering a three-year performance period ending December 31, 2017. The reporting person previously reported the minimum number of units subject to the award eligible to vest based on 2015 and 2016 performance.  The number of units reported reflects the additional minimum number of units eligible to vest as a result of the crediting of restricted stock units in respect of dividend equivalent rights. The units remain subject to additional time-based vesting requirements.</footnote>
        <footnote id="F8">The reporting person was awarded performance units in 2016 covering a three-year performance period ending December 31, 2018. The reporting person previously reported the minimum number of units subject to the award eligible to vest based on 2016 performance.  The number of units reported reflects the additional minimum number of units eligible to vest as a result of the crediting of restricted stock units in respect of dividend equivalent rights. The units remain subject to additional time-based vesting requirements.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jeffrey C. Hawken</signatureName>
        <signatureDate>2017-04-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</SEC-DOCUMENT>
