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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2024-06-17</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001922331</issuerCik>
        <issuerName>Global Star Acquisition Inc.</issuerName>
        <issuerTradingSymbol>GLST</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000312069</rptOwnerCik>
            <rptOwnerName>BARCLAYS PLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1 CHURCHILL PLACE</rptOwnerStreet1>
            <rptOwnerStreet2>CANARY WHARF</rptOwnerStreet2>
            <rptOwnerCity>LONDON</rptOwnerCity>
            <rptOwnerState>X0</rptOwnerState>
            <rptOwnerZipCode>E14 5HP</rptOwnerZipCode>
            <rptOwnerStateDescription>UNITED KINGDOM</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class A Common Stock, $0.0001 par value per share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>125000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Barclays Bank PLC</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <remarks>(a) Beneficially owned Class A ordinary shares with par value of $0.0001

(b) Name of Person Filing:
   (1) Barclays PLC
   (2) Barclays Bank PLC (controlled by Barclays PLC)

(c) Address of Principal Business Office or, if non, Residence:
   (1) Barclays PLC
       1 Churchill Place
       London, E14 5HP, England

   (2) Barclays Bank PLC
       1 Churchill Place
       London, E14 5HP, England</remarks>

    <ownerSignature>
        <signatureName>Suejean Mott</signatureName>
        <signatureDate>2024-06-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
