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

    <schemaVersion>X0607</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2026-06-15</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001682852</issuerCik>
        <issuerName>Moderna, Inc.</issuerName>
        <issuerTradingSymbol>MRNA</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001985166</rptOwnerCik>
            <rptOwnerName>Banque Soria Ester</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>false</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>C/O MODERNA, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>325 BINNEY STREET</rptOwnerStreet2>
            <rptOwnerCity>CAMBRIDGE</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02142</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>Chief Commercial Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks>The reporting person was appointed as Chief Commercial Officer, effective June 15, 2026. This Form 3 is being filed following the issuance of EDGAR filer credentials to the reporting person on June 29, 2026; application for such credentials was submitted promptly following the appointment, and the filing was made as soon as practicable after credentials were obtained.</remarks>

    <ownerSignature>
        <signatureName>/s/ James Dillon, as Attorney-in-Fact</signatureName>
        <signatureDate>2026-06-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
