<SEC-DOCUMENT>0001628280-18-001820.txt : 20180215
<SEC-HEADER>0001628280-18-001820.hdr.sgml : 20180215
<ACCEPTANCE-DATETIME>20180215193354
ACCESSION NUMBER:		0001628280-18-001820
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180213
FILED AS OF DATE:		20180215
DATE AS OF CHANGE:		20180215

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			McHenry Troy E.
		CENTRAL INDEX KEY:			0001664073

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08895
		FILM NUMBER:		18619297

	MAIL ADDRESS:	
		STREET 1:		1920 MAIN STREET
		STREET 2:		SUITE 1200
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92614

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HCP, INC.
		CENTRAL INDEX KEY:			0000765880
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				330091377
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1920 MAIN STREET
		STREET 2:		SUITE 1200
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92614
		BUSINESS PHONE:		949-407-0700

	MAIL ADDRESS:	
		STREET 1:		1920 MAIN STREET
		STREET 2:		SUITE 1200
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92614

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HEALTH CARE PROPERTY INVESTORS INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_151874122012481.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-02-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000765880</issuerCik>
        <issuerName>HCP, INC.</issuerName>
        <issuerTradingSymbol>HCP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001664073</rptOwnerCik>
            <rptOwnerName>McHenry Troy E.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1920 MAIN STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1200</rptOwnerStreet2>
            <rptOwnerCity>IRVINE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92614</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP, Gen Counsel and Corp Sec</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-02-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1346</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>22.85</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>34121.213</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">This forfeiture of shares to satisfy applicable tax withholding does not constitute a sale transaction. Pursuant to the award agreement, shares are required to be forfeited to satisfy applicable tax withholding in connection with the vesting of restricted stock units granted on February 13, 2017.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Scott A. Graziano, SVP, Legal (Attorney-In-Fact)</signatureName>
        <signatureDate>2018-02-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
