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

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

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

    <issuer>
        <issuerCik>0001462418</issuerCik>
        <issuerName>ALTISOURCE PORTFOLIO SOLUTIONS S.A.</issuerName>
        <issuerTradingSymbol>ASPS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001655028</rptOwnerCik>
            <rptOwnerName>Deer Park Road Management Company, LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1195 BANGTAIL WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>STEAMBOAT SPRINGS</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80487</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>true</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001702367</rptOwnerCik>
            <rptOwnerName>Deer Park Road Management GP, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1195 BANGTAIL WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>STEAMBOAT SPRINGS</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80487</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>true</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001702490</rptOwnerCik>
            <rptOwnerName>Deer Park Road Corp</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1195 BANGTAIL WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>STEAMBOAT SPRINGS</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80487</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>true</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001721440</rptOwnerCik>
            <rptOwnerName>AgateCreek LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1195 BANGTAIL WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>STEAMBOAT SPRINGS</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80487</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>true</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001702931</rptOwnerCik>
            <rptOwnerName>Craig-Scheckman Michael</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1195 BANGTAIL WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>STEAMBOAT SPRINGS</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80487</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>true</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001721438</rptOwnerCik>
            <rptOwnerName>Burg Scott Edward</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1195 BANGTAIL WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>STEAMBOAT SPRINGS</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80487</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>true</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-05-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>28037</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4277263</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnotes</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These shares of the Issuer's common stock (&quot;Shares&quot;) represent a non-management director stock award granted to Mary Hickok, Managing Director at Deer Park Road Management Company, LP (&quot;Deer Park&quot;), in connection with her service on the Issuer's board of directors (the &quot;Board&quot;) for the 2023 to 2024 service year.</footnote>
        <footnote id="F2">All income derived in connection with Ms. Hickok's service as a director on the Board belongs, in economic terms, to STS Master Fund, Ltd. Ms. Hickok has no right to any compensation received in connection with her service on the Board and does not have any pecuniary interest in the Shares reported herein.</footnote>
        <footnote id="F3">These Shares are held for the account of STS Master Fund, Ltd. Deer Park serves as investment adviser to STS Master Fund, Ltd.</footnote>
        <footnote id="F4">Deer Park Road Management GP, LLC (&quot;DPRM&quot;) is the general partner of Deer Park. Each of Deer Park Road Corporation (&quot;DPRC&quot;) and AgateCreek LLC (&quot;AgateCreek&quot;) is a member of DPRM. Michael Craig-Scheckman is the Chief Executive Officer of each of Deer Park and DPRC and the majority owner of DPRC. Scott Edward Burg is the Chief Investment Officer of Deer Park and the sole member of AgateCreek. Each Reporting Person disclaims beneficial ownership of the Shares except to the extent of his or its pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the Shares for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.</footnote>
    </footnotes>

    <remarks>Ms. Hickok, Managing Director at Deer Park, serves on the Issuer's Board as a representative of Deer Park. By virtue of their representation on the Board, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, the Reporting Persons are deemed to be directors by deputization of Ms. Hickok.</remarks>

    <ownerSignature>
        <signatureName>Deer Park Road Management Company, LP, By: /s/ Bradley W. Craig, Chief Operating Officer</signatureName>
        <signatureDate>2024-06-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Deer Park Road Management GP, LLC, By: /s/ Deer Park Road Corporation, its managing member, By: /s/ Bradley W. Craig, attorney-in-fact for Michael Craig-Scheckman, Chief Executive Officer of Deer Park Corporation</signatureName>
        <signatureDate>2024-06-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Deer Park Road Corporation, By: /s/ Bradley W. Craig, attorney-in-fact for Michael Craig-Scheckman, Chief Executive Officer of Deer Park Corporation</signatureName>
        <signatureDate>2024-06-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>AgateCreek LLC, By: /s/ Bradley W. Craig, attorney-in-fact for Scott Edward Burg, Sole Member of AgateCreek LLC</signatureName>
        <signatureDate>2024-06-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Michael Craig-Scheckman, By: /s/ Bradley W. Craig, attorney-in-fact for Michael Craig-Scheckman</signatureName>
        <signatureDate>2024-06-20</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Scott Edward Burg, By: /s/ Bradley W. Craig, attorney-in-fact for Scott Edward Burg</signatureName>
        <signatureDate>2024-06-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
