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

    <schemaVersion>X0607</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2026-03-18</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001433309</issuerCik>
        <issuerName>Plastec Technologies, Ltd.</issuerName>
        <issuerTradingSymbol>PLTYF</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002123062</rptOwnerCik>
            <rptOwnerName>Lai Chung Wing</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>true</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>C/O PLASTEC TECHNOLOGIES, LTD.</rptOwnerStreet1>
            <rptOwnerStreet2>C/O UNIT 01, 21/F, AITKEN VANSON CENTRE</rptOwnerStreet2>
            <rptOwnerCity>61 HOL YUEN ROAD, KWUN TONG</rptOwnerCity>
            <rptOwnerNonUSStateTerritory>KOWLOON</rptOwnerNonUSStateTerritory>
            <rptOwnerCountry>K3</rptOwnerCountry>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription>HONG KONG</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>/s/ Chung Wing Lai</signatureName>
        <signatureDate>2026-03-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
