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

    <schemaVersion>X0607</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2026-03-31</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001179821</issuerCik>
        <issuerName>BIRKS GROUP INC.</issuerName>
        <issuerTradingSymbol>BGI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001435056</rptOwnerCik>
            <rptOwnerName>FARNESI PAOLA</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>true</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>7630 RUE DU MANS</rptOwnerStreet1>
            <rptOwnerStreet2>APT 1303</rptOwnerStreet2>
            <rptOwnerCity>ST-LEONARD</rptOwnerCity>
            <rptOwnerNonUSStateTerritory></rptOwnerNonUSStateTerritory>
            <rptOwnerCountry>A8</rptOwnerCountry>
            <rptOwnerZipCode>H1S3H1</rptOwnerZipCode>
            <rptOwnerStateDescription>QUEBEC, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Class A voting shares</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Cash-Settled Deferred Share Units (DSUs)</value>
                    <footnoteId id="F3"/>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>40909</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">After departure from Board</footnote>
        <footnote id="F2">December 31 of the year after departure from Board</footnote>
        <footnote id="F3">DSUs allow the reporting person to exercise the DSUs and receive a cash value equivalent to the value of the stock price on the departure date times the number of DSUs</footnote>
    </footnotes>

    <remarks>NOTE:This is an initial Form 3 filing as an owner of securities of a Foreign Private Issuer.

Please note that this is a new Form 3 filing to replace the one filed on March 31st, which has been suspended. This new filing corrects the owner's address to indicate that her address is not in the United States.</remarks>

    <ownerSignature>
        <signatureName>Helene Delaney by Power of Attorney</signatureName>
        <signatureDate>2026-04-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
