<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2024-05-30</periodOfReport>

    <dateOfOriginalSubmission>2024-06-03</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0001971543</issuerCik>
        <issuerName>Mural Oncology plc</issuerName>
        <issuerTradingSymbol>MURA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001490216</rptOwnerCik>
            <rptOwnerName>Cuss Francis M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MURAL ONCOLOGY PLC</rptOwnerStreet1>
            <rptOwnerStreet2>10 EARLSFORT TERRACE</rptOwnerStreet2>
            <rptOwnerCity>DUBLIN 2</rptOwnerCity>
            <rptOwnerState>L2</rptOwnerState>
            <rptOwnerZipCode>D02 T380</rptOwnerZipCode>
            <rptOwnerStateDescription>IRELAND</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.35</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2024-05-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>8462</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2034-05-29</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Ordinary Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>8462</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8462</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This option was granted on May 30, 2024. This option will vest in full upon the earlier of (i) the first anniversary of the date of the grant or (ii) the date of the next Annual Meeting, subject to the reporting person's continued service with the Issuer.</footnote>
        <footnote id="F2">This amendment to Form 4 is being filed solely to correct the price of the derivative security, which was previously reported as being $3.35 due to a scrivener's error.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Maiken Keson-Brookes, attorney-in-fact for Francis M. Cuss</signatureName>
        <signatureDate>2024-06-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
