<SEC-DOCUMENT>0000067887-22-000113.txt : 20221117
<SEC-HEADER>0000067887-22-000113.hdr.sgml : 20221117
<ACCEPTANCE-DATETIME>20221117165351
ACCESSION NUMBER:		0000067887-22-000113
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20221115
FILED AS OF DATE:		20221117
DATE AS OF CHANGE:		20221117

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mclachlan Stuart
		CENTRAL INDEX KEY:			0001898483

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05129
		FILM NUMBER:		221399118

	MAIL ADDRESS:	
		STREET 1:		SENECA ST. & JAMISON RD
		CITY:			E. AURORA
		STATE:			NY
		ZIP:			14052

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MOOG INC.
		CENTRAL INDEX KEY:			0000067887
		STANDARD INDUSTRIAL CLASSIFICATION:	MISC INDUSTRIAL & COMMERCIAL MACHINERY & EQUIPMENT [3590]
		IRS NUMBER:				160757636
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1001

	BUSINESS ADDRESS:	
		STREET 1:		400 JAMISON ROAD
		CITY:			EAST AURORA
		STATE:			NY
		ZIP:			14052
		BUSINESS PHONE:		716 652 2000

	MAIL ADDRESS:	
		STREET 1:		400 JAMISON ROAD
		CITY:			EAST AURORA
		STATE:			NY
		ZIP:			14052

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MOOG INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_166872201192534.xml
<DESCRIPTION>FORM 4
<TEXT>
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<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

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    <periodOfReport>2022-11-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000067887</issuerCik>
        <issuerName>MOOG INC.</issuerName>
        <issuerTradingSymbol>MOGA/MOGB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
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            <rptOwnerCik>0001898483</rptOwnerCik>
            <rptOwnerName>Mclachlan Stuart</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>SENECA ST &amp; JAMISON RD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>EAST AURORA</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>14052</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
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            <securityTitle>
                <value>Class B Common</value>
            </securityTitle>
            <transactionDate>
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            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
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            <transactionAmounts>
                <transactionShares>
                    <value>193</value>
                </transactionShares>
                <transactionPricePerShare>
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                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1320</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
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                <directOrIndirectOwnership>
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            <securityTitle>
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                <footnoteId id="F4"/>
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            <conversionOrExercisePrice>
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            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F5"/>
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            <expirationDate>
                <value>2023-11-11</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1000.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1000</value>
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            <expirationDate>
                <value>2024-11-11</value>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common</value>
                </underlyingSecurityTitle>
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            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1000</value>
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                <directOrIndirectOwnership>
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            <exerciseDate>
                <footnoteId id="F5"/>
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            <expirationDate>
                <value>2025-11-17</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>667.0</value>
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            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1000</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
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        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>SAR</value>
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            <conversionOrExercisePrice>
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            <exerciseDate>
                <footnoteId id="F5"/>
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            <expirationDate>
                <value>2025-11-17</value>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B Common</value>
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                <underlyingSecurityShares>
                    <value>1333.0</value>
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            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1333</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>SAR</value>
                <footnoteId id="F6"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>71.648</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F5"/>
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            <expirationDate>
                <value>2026-11-15</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B Common</value>
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                <underlyingSecurityShares>
                    <value>2000.0</value>
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                <sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
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        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
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            <conversionOrExercisePrice>
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            <exerciseDate>
                <footnoteId id="F5"/>
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            <expirationDate>
                <value>2027-11-14</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
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                <underlyingSecurityShares>
                    <value>1611.0</value>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
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            <securityTitle>
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            <expirationDate>
                <value>2028-11-12</value>
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                <underlyingSecurityTitle>
                    <value>Class B Common</value>
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            <expirationDate>
                <value>2029-11-12</value>
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                <underlyingSecurityTitle>
                    <value>Class B Common</value>
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            <securityTitle>
                <value>SAR</value>
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            <exerciseDate>
                <footnoteId id="F5"/>
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            <expirationDate>
                <value>2030-11-17</value>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B Common</value>
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                    <value>1089</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        <derivativeHolding>
            <securityTitle>
                <value>SAR</value>
                <footnoteId id="F6"/>
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                <value>83.0</value>
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            <exerciseDate>
                <footnoteId id="F5"/>
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            <expirationDate>
                <value>2031-11-16</value>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class B Common</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3737.0</value>
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                <sharesOwnedFollowingTransaction>
                    <value>3737</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
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    </derivativeTable>

    <footnotes>
        <footnote id="F1">Shares issued pursuant to vesting of performance-based restricted stock units that were granted to the reporting person on November 12, 2019 upon achievement of performance goals under the Moog Inc. 2014 Long Term Incentive Plan.</footnote>
        <footnote id="F2">The performance-based restricted stock units were granted under an equity incentive compensation plan maintained by Moog Inc. and therefore the reporting person paid no price for the shares received upon the vesting of the performance-based restricted stock units.</footnote>
        <footnote id="F3">Shares withheld for taxes upon the settlement in shares of performance-based restricted stock units previously granted to the reporting person.</footnote>
        <footnote id="F4">Stock Appreciation Right (SAR) granted under the 2008 Stock Appreciation Rights Plan.</footnote>
        <footnote id="F5">SARs become exercisable ratably over three years beginning on the first anniversary from the date of grant.</footnote>
        <footnote id="F6">Stock Appreciation Rights (SAR) granted under the Moog Inc. 2014 Long Term Incentive Plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Christopher P. Donnini, as Power of Attorney for Stuart K. Mclachlan</signatureName>
        <signatureDate>2022-11-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
