<SEC-DOCUMENT>0001179110-18-007849.txt : 20180601
<SEC-HEADER>0001179110-18-007849.hdr.sgml : 20180601
<ACCEPTANCE-DATETIME>20180601181055
ACCESSION NUMBER:		0001179110-18-007849
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20180531
FILED AS OF DATE:		20180601
DATE AS OF CHANGE:		20180601

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ANDERSON DANA K
		CENTRAL INDEX KEY:			0001022055

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12504
		FILM NUMBER:		18876314

	MAIL ADDRESS:	
		STREET 1:		THE MACERICH COMPANY
		STREET 2:		401 WILSHIRE BVLD., STE. 700
		CITY:			SANTA MONICA
		STATE:			CA
		ZIP:			90401

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MACERICH CO
		CENTRAL INDEX KEY:			0000912242
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				954448705
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		401 WILSHIRE BLVD
		STREET 2:		STE 700
		CITY:			SANTA MONICA
		STATE:			CA
		ZIP:			90401
		BUSINESS PHONE:		3103946000

	MAIL ADDRESS:	
		STREET 1:		401 WILSHIRE BLVD SUITE 700
		CITY:			SANTA MONICA
		STATE:			CA
		ZIP:			90401
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-05-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000912242</issuerCik>
        <issuerName>MACERICH CO</issuerName>
        <issuerTradingSymbol>MAC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001022055</rptOwnerCik>
            <rptOwnerName>ANDERSON DANA K</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>THE MACERICH COMPANY</rptOwnerStreet1>
            <rptOwnerStreet2>401 WILSHIRE BOULEVARD, SUITE 700</rptOwnerStreet2>
            <rptOwnerCity>SANTA MONICA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90401</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle></officerTitle>
            <otherText>Vice Chairman, Emeritus</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-05-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value>E</value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>454</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>47.29</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>129589</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Anderson Family Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-05-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>21</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>55.63</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>129568</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Anderson Family Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The reporting person is voluntarily reporting the acquisition of the issuer's common stock pursuant to the issuer's Employee Stock Purchase Plan (&quot;ESPP&quot;) for the six month ESPP offering period ended May 31, 2018. This transaction is exempt pursuant to Rule 16b-3(c).</footnote>
        <footnote id="F2">In accordance with the ESPP, the shares were purchased at a 15% discount from the closing price of the issuer's common stock on May 31, 2018.</footnote>
        <footnote id="F3">Represents shares withheld by the issuer to satisfy tax withholding obligations in connection with the reporting person's acquisition of shares pursuant to the ESPP on May 31, 2018.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Lisa R. Pena for DANA K. ANDERSON</signatureName>
        <signatureDate>2018-06-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ex24-anderson.txt
<DESCRIPTION>CONFIRMING STATEMENT
<TEXT>
                               SECTION 16 REPORTS

                              CONFIRMING STATEMENT


         This statement confirms that the undersigned, Dana K. Anderson, has
authorized and designated ANN C. MENARD and/or LISA R. PENA (the
"Agents") to execute and file on the undersigned's behalf all Forms 3, 4 and 5
(including any amendments thereto) that the undersigned may be required to file
with the U. S. Securities and Exchange Commission as a result of the
undersigned's ownership of or transactions in securities of THE MACERICH COMPANY
(the "Corporation"). The authority of the Agents under this Statement shall
continue until the undersigned is no longer required to file Forms 3, 4, and 5
with regard to the undersigned's ownership of or transactions in securities of
the Corporation, unless earlier revoked in writing. The undersigned acknowledges
that the Agents are not assuming any of the undersigned's responsibilities to
comply with Section 16 of the Securities Exchange Act of 1934.



Date: June 1, 2018                Signature: /s/ Dana K. Anderson
                                             ----------------------------
                                             Dana K. Anderson
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
