<SEC-DOCUMENT>0000028412-23-000124.txt : 20230302
<SEC-HEADER>0000028412-23-000124.hdr.sgml : 20230302
<ACCEPTANCE-DATETIME>20230302164600
ACCESSION NUMBER:		0000028412-23-000124
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230228
FILED AS OF DATE:		20230302
DATE AS OF CHANGE:		20230302

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WEBER JAMES HARRY
		CENTRAL INDEX KEY:			0001776373

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10706
		FILM NUMBER:		23699816

	MAIL ADDRESS:	
		STREET 1:		1717 MAIN STREET
		STREET 2:		MC-6503
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COMERICA INC /NEW/
		CENTRAL INDEX KEY:			0000028412
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				000006021
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1717 MAIN STREET MC6404
		STREET 2:		ATTN: KELLY GAGE
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201
		BUSINESS PHONE:		214-462-6831

	MAIL ADDRESS:	
		STREET 1:		1717 MAIN STREET MC6404
		STREET 2:		ATTN: KELLY GAGE
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DETROITBANK CORP
		DATE OF NAME CHANGE:	19850311
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>FORM 4
<TEXT>
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    <documentType>4</documentType>

    <periodOfReport>2023-02-28</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000028412</issuerCik>
        <issuerName>COMERICA INC /NEW/</issuerName>
        <issuerTradingSymbol>CMA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001776373</rptOwnerCik>
            <rptOwnerName>WEBER JAMES HARRY</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1717 MAIN STREET</rptOwnerStreet1>
            <rptOwnerStreet2>MC 6503</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75201</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Executive Vice President</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-02-28</value>
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            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>3592</value>
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                <transactionPricePerShare>
                    <value>0</value>
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                <transactionAcquiredDisposedCode>
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                <transactionPricePerShare>
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    <derivativeTable>
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                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
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            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2018-01-24</value>
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            <expirationDate>
                <value>2027-01-24</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
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                <underlyingSecurityShares>
                    <value>1335.0</value>
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            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
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            <ownershipNature>
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                    <value>D</value>
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        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>95.25</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2019-01-23</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2028-01-23</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
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        </derivativeHolding>
        <derivativeHolding>
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            <conversionOrExercisePrice>
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            <exerciseDate>
                <value>2020-01-22</value>
                <footnoteId id="F3"/>
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            <expirationDate>
                <value>2029-01-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                <underlyingSecurityShares>
                    <value>1375.0</value>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1375</value>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
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        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>63.15</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2021-01-28</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2030-01-28</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2475.0</value>
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                    <value>2475</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>60.12</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2022-01-26</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2031-01-26</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2130.0</value>
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                    <value>2130</value>
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            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
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                <value>2023-01-25</value>
                <footnoteId id="F3"/>
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            <expirationDate>
                <value>2032-01-25</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
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                <sharesOwnedFollowingTransaction>
                    <value>1480</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>71.16</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2024-01-24</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2033-01-24</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                <underlyingSecurityShares>
                    <value>1880.0</value>
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                    <value>1880</value>
                </sharesOwnedFollowingTransaction>
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                    <value>D</value>
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        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On January 28, 2020, a &quot;target&quot; award of 3,305 performance restricted stock units (&quot;SELTPP units&quot;) was granted to the reporting person pursuant to Comerica Incorporated's long-term incentive plan. The SELTPP units are settled in stock and vest in one installment following certification of results for a three-year performance period. The performance period ended on December 31, 2022, and on February 28, 2023, the SELTPP units vested upon Comerica's Governance, Compensation and Nominating Committee certification that (1) performance was achieved at 108.7% based upon satisfaction of a three-year average return on common equity excluding certain nonperformance items performance goal and (2) the negative total shareholder return modifier of 10 percentage points would not be applied based upon satisfaction of a relative total shareholder return goal.</footnote>
        <footnote id="F2">Includes shares acquired through employee stock plans and restricted stock units as of February 28, 2023.</footnote>
        <footnote id="F3">The options vest in four equal annual installments (based on the original grant amount) beginning on the date indicated in this column.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>s/ Jennifer S. Perry, on behalf of James H. Weber through Power of Attorney</signatureName>
        <signatureDate>2023-03-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
