<SEC-DOCUMENT>0000067887-18-000091.txt : 20181115
<SEC-HEADER>0000067887-18-000091.hdr.sgml : 20181115
<ACCEPTANCE-DATETIME>20181115184258
ACCESSION NUMBER:		0000067887-18-000091
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20181113
FILED AS OF DATE:		20181115
DATE AS OF CHANGE:		20181115

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BURGHARDT R. ERIC
		CENTRAL INDEX KEY:			0001650808

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05129
		FILM NUMBER:		181188312

	MAIL ADDRESS:	
		STREET 1:		SENECA STREET & JAMISON ROAD
		CITY:			EAST 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:			0929

	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
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<DESCRIPTION>FORM 4
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        <issuerCik>0000067887</issuerCik>
        <issuerName>MOOG INC.</issuerName>
        <issuerTradingSymbol>MOGA/MOGB</issuerTradingSymbol>
    </issuer>

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            <rptOwnerName>BURGHARDT R. ERIC</rptOwnerName>
        </reportingOwnerId>
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            <rptOwnerStreet1>SENECA ST AND JAMISON RD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>EAST AURORA</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>14052</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President</officerTitle>
            <otherText></otherText>
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                    <value>401 (k)</value>
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        </nonDerivativeHolding>
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                <footnoteId id="F6"/>
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            <conversionOrExercisePrice>
                <value>41.82</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F7"/>
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            <expirationDate>
                <value>2021-11-30</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4000.0</value>
                </underlyingSecurityShares>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4000</value>
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            <expirationDate>
                <value>2022-11-27</value>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common</value>
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                <underlyingSecurityShares>
                    <value>4000.0</value>
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                <sharesOwnedFollowingTransaction>
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                <value>2027-11-14</value>
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                    <value>Class B Common</value>
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                    <value>6181.0</value>
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                <sharesOwnedFollowingTransaction>
                    <value>6181</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        </derivativeHolding>
        <derivativeTransaction>
            <securityTitle>
                <value>SAR</value>
                <footnoteId id="F8"/>
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            <conversionOrExercisePrice>
                <value>80.19</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2018-11-13</value>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>6988</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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                <footnoteId id="F7"/>
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            <expirationDate>
                <value>2028-11-13</value>
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                <underlyingSecurityTitle>
                    <value>Class B Common</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6988.0</value>
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                    <value>6988</value>
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    <footnotes>
        <footnote id="F1">Shares issued pursuant to vesting of performance-based restricted stock units that were granted to the reporting person on November 17, 2015, upon achievement of performance goals under the 2014 Moog Inc. 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 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">Includes 325 shares of Class B Common acquired under the Moog Inc. Employee Stock Purchase Plan on December 31, 2017 and July 1, 2018.</footnote>
        <footnote id="F5">Reflects shares held in Moog Inc. Retirement Savings Plan as of the most recent statement to participants.</footnote>
        <footnote id="F6">Stock Appreciation Right (SAR) granted under the 2008 Appreciation Rights Plan.</footnote>
        <footnote id="F7">SARs become exercisable ratably over three years beginning on the first anniversary from the date of grant.</footnote>
        <footnote id="F8">Stock Appreciation Rights (SAR) granted under the Moog Inc. 2014 Long Term Incentive Plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Timothy P. Balkin, as Power of Attorney for  R. Eric Burghardt</signatureName>
        <signatureDate>2018-11-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
