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

    <schemaVersion>X0607</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2026-04-20</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001032220</issuerCik>
        <issuerName>MAXIMUS, INC.</issuerName>
        <issuerTradingSymbol>MMS</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002130204</rptOwnerCik>
            <rptOwnerName>Moellering Elizabeth</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>false</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>C/O MAXIMUS INC.</rptOwnerStreet1>
            <rptOwnerStreet2>1600 TYSONS BLVD, STE 1400</rptOwnerStreet2>
            <rptOwnerCity>MCLEAN</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>22102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>General Counsel and Corp. Sec.</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5044.166</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On April 1, 2024, the reporting person was granted 1,232 restricted stock units (&quot;RSUs&quot;), which vest based upon the following schedule, subject to deferred vesting for a longer period at the election of the individual, as permitted by the terms of the award: A 4-year ratable vest that was scheduled to occur on 09/30/2024, 09/30/2025, 09/30/2026, and 09/30/2027. Each RSU represents a contingent right to receive one share of common stock, and dividend equivalent rights accrue on RSUs when and as dividends are paid on common stock.</footnote>
        <footnote id="F2">On November 25, 2024, the reporting person was granted 1,361 RSUs, which vest based upon the following schedule, subject to deferred vesting for a longer period at the election of the individual, as permitted by the terms of the award: A 4-year ratable vest that was scheduled to occur on 09/30/2025, 09/30/2026, 09/30/2027, and 09/30/2028.</footnote>
        <footnote id="F3">On November 24, 2025, the reporting person was granted 2,850 RSUs, which vest based upon the following schedule, subject to deferred vesting for a longer period at the election of the individual, as permitted by the terms of the award: A 4-year ratable vest that was scheduled to occur on 09/30/2026, 09/30/2027, 09/30/2028, and 09/30/2029.</footnote>
    </footnotes>

    <remarks>Exhibit List Exhibit 24-Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>/s/ Elizabeth Moellering</signatureName>
        <signatureDate>2026-04-28</signatureDate>
    </ownerSignature>
</ownershipDocument>