<SUBMISSION>
<ACCESSION-NUMBER>0001688880-23-000002
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20230606
<FILING-DATE>20230608
<DATE-OF-FILING-DATE-CHANGE>20230608
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>Kaminski Jerry D
<CIK>0001688880
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-37540
<FILM-NUMBER>231002488
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>1 EAST ARMOUR BOULEVARD
<CITY>KANSAS CITY
<STATE>MO
<ZIP>64111
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>Hostess Brands, Inc.
<CIK>0001644406
<ASSIGNED-SIC>2050
<IRS-NUMBER>000000000
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>7905 QUIVIRA ROAD
<CITY>LENEXA
<STATE>KS
<ZIP>66215
<PHONE>816-701-4600
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>7905 QUIVIRA ROAD
<CITY>LENEXA
<STATE>KS
<ZIP>66215
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>Gores Holdings, Inc.
<DATE-CHANGED>20150608
</FORMER-COMPANY>
</ISSUER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1686256686.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0407</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-06-06</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001644406</issuerCik>
        <issuerName>Hostess Brands, Inc.</issuerName>
        <issuerTradingSymbol>TWNK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001688880</rptOwnerCik>
            <rptOwnerName>Kaminski Jerry D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O HOSTESS BRANDS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>7905 QUIVIRA ROAD</rptOwnerStreet2>
            <rptOwnerCity>LENEXA</rptOwnerCity>
            <rptOwnerState>KS</rptOwnerState>
            <rptOwnerZipCode>66215</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock, par value $0.0001 per share</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2023-06-06</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5210</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>48258</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Consists of a grant of restricted stock units. Each restricted stock unit represents the right to receive one share of Class A common stock of Hostess Brands, Inc. (the &quot;Company&quot;). These restricted stock units will vest upon the first to occur of (i) the 2024 Annual Stockholders Meeting, (ii) 15 months after the date of grant, (iii) the death or disability of the director, or (iv) a change of control of the Company, in each case, subject to continued service until such vesting date, and shall be settled upon the director's termination of Board service or if earlier, a change of control of the Company.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jolyn J Sebree, Attorney-in-Fact</signatureName>
        <signatureDate>2023-06-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
