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

    <schemaVersion>X0609</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2026-09-29</periodOfReport>

    <notSubjectToSection16>false</notSubjectToSection16>

    <issuer>
        <issuerCik>0001726548</issuerCik>
        <issuerName>BC Partners Lending Corp</issuerName>
        <issuerTradingSymbol>BCPL</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001549748</rptOwnerCik>
            <rptOwnerName>Goldthorpe Edward J.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>false</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>C/O BC PARTNERS LENDING CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>650 MADISON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>President, CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2026-09-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>21005</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>202469.238</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Acquired upon the completion of, and pursuant to the transactions contemplated by, the Agreement and Plan of Merger, dated as of February 24, 2026, by and among BC Partners Lending Corporation, a Maryland corporation (&quot;BCPL&quot;), BCPL Merger Sub, Inc., a Delaware corporation, Alternative Credit Income Fund, a Delaware statutory trust (&quot;ACIF&quot;), BC Partners Advisors L.P., a Delaware limited partnership (for limited purposes set forth therein), and Sierra Crest Investment Management LLC, a Delaware limited liability company (for limited purposes set forth therein) (the &quot;Merger Agreement&quot;). Pursuant to the Merger Agreement, each Class A share of beneficial interest, no par value per share, of ACIF was converted into the right to receive 0.4571 shares of BCPL's common stock, par value $0.001 per share. Acquisition of shares in the merger was approved by the Board of Directors of BCPL and is exempt under Rule 16b-3.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Edward J. Goldthorpe</signatureName>
        <signatureDate>2026-10-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
