<SEC-DOCUMENT>0001391790-26-000004.txt : 20260515
<SEC-HEADER>0001391790-26-000004.hdr.sgml : 20260515
<ACCEPTANCE-DATETIME>20260515103719
ACCESSION NUMBER:		0001391790-26-000004
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260224
FILED AS OF DATE:		20260515
DATE AS OF CHANGE:		20260515

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Cooper Beth W
		CENTRAL INDEX KEY:			0001391790
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11590
		FILM NUMBER:		26983757

	MAIL ADDRESS:	
		STREET 1:		CHESAPEAKE UTILITIES CORPORATION
		STREET 2:		500 ENERGY LANE
		CITY:			DOVER
		STATE:			DE
		ZIP:			19901

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CHESAPEAKE UTILITIES CORP
		CENTRAL INDEX KEY:			0000019745
		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS TRANSMISSION & DISTRIBUTION [4923]
		ORGANIZATION NAME:           	01 Energy & Transportation
		EIN:				510064146
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		500 ENERGY LANE
		CITY:			DOVER
		STATE:			DE
		ZIP:			19901
		BUSINESS PHONE:		3027346799

	MAIL ADDRESS:	
		STREET 1:		500 ENERGY LANE
		CITY:			DOVER
		STATE:			DE
		ZIP:			19901
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>wk-form4a_1778855836.xml
<DESCRIPTION>FORM 4/A
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0609</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2026-02-24</periodOfReport>

    <dateOfOriginalSubmission>2026-02-26</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000019745</issuerCik>
        <issuerName>CHESAPEAKE UTILITIES CORP</issuerName>
        <issuerTradingSymbol>CPK</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001391790</rptOwnerCik>
            <rptOwnerName>Cooper Beth W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>false</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>500 ENERGY LANE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DOVER</rptOwnerCity>
            <rptOwnerState>DE</rptOwnerState>
            <rptOwnerZipCode>19901</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Executive VP &amp; CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2026-02-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3480</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>135.05</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>95110</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>14202</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>401k Plan</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">As reported on February 26, 2026, 7,557 shares of common stock were earned pursuant to a performance share agreement in place with the reporting individual. Accordingly, 4,077 shares were issued to the reporting individual, 0 deferred stock units were granted and 3,480 shares of Chesapeake Utilities common stock were utilized to satisfy the tax liability associated with the incentive award
(4,077 shares issued to the reporting individual + 0 deferred stock units + 3,480 shares to cover the tax liability = 7,557 total shares comprising the incentive award).</footnote>
        <footnote id="F2">Includes 28,115 deferred stock units that will be settled on a one-for-one basis in common stock.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Beth W. Cooper</signatureName>
        <signatureDate>2026-05-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
