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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3/A</documentType>

    <periodOfReport>2016-11-03</periodOfReport>

    <dateOfOriginalSubmission>2016-11-14</dateOfOriginalSubmission>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000086312</issuerCik>
        <issuerName>TRAVELERS COMPANIES, INC.</issuerName>
        <issuerTradingSymbol>TRV</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001689571</rptOwnerCik>
            <rptOwnerName>Klein Michael Frederick</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>THE TRAVELERS COMPANIES, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>385 WASHINGTON STREET</rptOwnerStreet2>
            <rptOwnerCity>ST. PAUL</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>EVP &amp; President, Personal Ins.</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Deferred Compensation Phantom Stock</value>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>15.3</value>
                    <footnoteId id="F3"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This amendment to Form 3 is being filed to report Deferred Compensation Phantom Stock held by the reporting person, which was inadvertently not reported when the Form 3 was originally filed on November 14, 2016.</footnote>
        <footnote id="F2">Pursuant to the terms of the plan, the executive will receive distribution of his deferred compensation account in cash following termination of his employment with the Company.</footnote>
        <footnote id="F3">Represents the approximate number of shares of Travelers common stock underlying the hypothetical investment of deferred compensation pursuant to one of the Company's deferred compensation plans.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Wendy C. Skjerven, by power of attorney</signatureName>
        <signatureDate>2021-09-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
