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

    <schemaVersion>X0508</schemaVersion>

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    <periodOfReport>2026-01-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001739566</issuerCik>
        <issuerName>Utz Brands, Inc.</issuerName>
        <issuerTradingSymbol>UTZ</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001821513</rptOwnerCik>
            <rptOwnerName>Sponaugle James</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O UTZ BRANDS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>900 HIGH STREET</rptOwnerStreet2>
            <rptOwnerCity>HANOVER</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>17331</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP &amp; Chief People Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

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            </securityTitle>
            <transactionDate>
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            </transactionDate>
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                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
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                </transactionShares>
                <transactionPricePerShare>
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                </transactionPricePerShare>
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                </sharesOwnedFollowingTransaction>
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                <equitySwapInvolved>0</equitySwapInvolved>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
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            <transactionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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                </sharesOwnedFollowingTransaction>
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                    <value>D</value>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
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            <transactionDate>
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                </sharesOwnedFollowingTransaction>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
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            <transactionDate>
                <value>2026-01-06</value>
            </transactionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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                <transactionShares>
                    <value>5771</value>
                    <footnoteId id="F9"/>
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                <transactionPricePerShare>
                    <value>10.38</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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                <sharesOwnedFollowingTransaction>
                    <value>80059</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
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        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The shares of Issuer's Class A Common Stock were acquired on December 31, 2025, pursuant to the Utz Brands, Inc. 2021 Employee Stock Purchase Plan. The acquisition of these shares of Class A Common Stock was exempt under Rule 16b-3(c) and Rule 16b-3(d).</footnote>
        <footnote id="F2">Represents shares withheld for payment of tax liability arising as a result of the settlement of a restricted stock unit award originally reported by the reporting person in a Form 4 filed with the Commission on December 19, 2022.</footnote>
        <footnote id="F3">Represents shares withheld for payment of tax liability arising as a result of the settlement of a restricted stock unit award originally reported by the reporting person in a Form 4 filed with the Commission on  February 2, 2023.</footnote>
        <footnote id="F4">Represents shares withheld for payment of tax liability arising as a result of the settlement of a restricted stock unit award originally reported by the reporting person in a Form 4 filed with the Commission on February 2, 2024.</footnote>
        <footnote id="F5">Represents shares withheld for payment of tax liability arising as a result of the settlement of a restricted stock unit award originally reported by the reporting person in a Form 4 filed with the Commission on January 6, 2025.</footnote>
        <footnote id="F6">The shares of Issuer's Class A Common Stock are subject to a restricted stock unit award under the Utz Brands, Inc. 2020 Omnibus Equity Incentive Plan (as amended, the &quot;Plan&quot;) made pursuant to Rule 16b-3. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Class A Common Stock.</footnote>
        <footnote id="F7">The restricted stock units vest under the following schedule: Subject to the terms of the restricted stock unit award agreement, 33.33% of the shares of Issuer's Class A Common Stock subject to the restricted stock units vest on December 31, 2026, 33.33% of the shares of Issuer's Class A Common Stock subject to the restricted stock units vest on December 31, 2027, and 33.34% shares of Issuer's Class A Common Stock subject to the restricted stock units vest on December 31, 2028, subject to the reporting person's Continuous Service (as defined in the Plan) to the Company through such dates and subject to certain conditions detailed in the Plan.</footnote>
        <footnote id="F8">Represents shares issued upon vesting of performance share unit awards, as approved on January 6, 2026, by the Compensation Committee of the Board of Directors of the Issuer. The acquisition of these shares of Class A Common Stock was exempt under Rule 16b-3.</footnote>
        <footnote id="F9">Represents shares withheld for payment of tax liability arising as a result of the vesting of a performance share unit award reported by the reporting person in this Form 4.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Theresa R. Shea, as attorney-in-fact for James Sponaugle</signatureName>
        <signatureDate>2026-01-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
