<SEC-DOCUMENT>0001179110-16-024943.txt : 20160517
<SEC-HEADER>0001179110-16-024943.hdr.sgml : 20160517
<ACCEPTANCE-DATETIME>20160517201017
ACCESSION NUMBER:		0001179110-16-024943
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20160516
FILED AS OF DATE:		20160517
DATE AS OF CHANGE:		20160517

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			O HERN THOMAS E
		CENTRAL INDEX KEY:			0001022056

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12504
		FILM NUMBER:		161659143

	MAIL ADDRESS:	
		STREET 1:		233 WILSHIRE BLVD
		STREET 2:		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>2016-05-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001022056</rptOwnerCik>
            <rptOwnerName>O HERN THOMAS E</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>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Senior EVP, Treasurer &amp; CFO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2016-05-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>74.71</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>56377</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The sales reported were automatic pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 10, 2015.</footnote>
        <footnote id="F2">Includes 1,378 shares held in a joint account for the reporting person and his son.</footnote>
        <footnote id="F3">Excludes 4,235 shares held indirectly by the reporting person through the Company's 401(k) Plan.</footnote>
        <footnote id="F4">In addition, 4,147 shares are held by children who share the reporting person's household. The reporting person disclaims beneficial ownership of all shares held by his children and this report should not be deemed an admission that the reporting person is the beneficial owner of such shares for purposes of Section 16 or otherwise.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Thomas J. Leanse for THOMAS E. O'HERN</signatureName>
        <signatureDate>2016-05-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ex24-ohern.txt
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
                               SECTION 16 REPORTS

                              CONFIRMING STATEMENT


         This statement confirms that the undersigned, Thomas E. O'Hern, has
authorized and designated THOMAS J. LEANSE and/or LISA PENA (the
"Agents") to execute and file on the undersigned's behalf all Forms 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 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: April 20, 2016              Signature: /s/ Thomas E. O'Hern
                                             ----------------------------
                                             Thomas E. O'Hern
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
