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    <periodOfReport>2026-10-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001373670</issuerCik>
        <issuerName>Green Brick Partners, Inc.</issuerName>
        <issuerTradingSymbol>GRBK</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001622647</rptOwnerCik>
            <rptOwnerName>Dolson Jed</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>false</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>5501 HEADQUARTERS DRIVE, SUITE 300W</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PLANO</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75024</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Co-Chief Executive Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

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            </postTransactionAmounts>
            <ownershipNature>
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                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Trust</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
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                <equitySwapInvolved>0</equitySwapInvolved>
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                </transactionShares>
                <transactionPricePerShare>
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    <footnotes>
        <footnote id="F1">Reporting person serves as co-trustee with his spouse of a trust established for the benefit of his minor children.</footnote>
        <footnote id="F2">The Restricted Stock Units (&quot;RSUs&quot;) convert into shares of Common Stock on a one-for-one basis upon vesting.</footnote>
        <footnote id="F3">These RSUs were granted under the Company's 2024 Omnibus Incentive Plan (the &quot;Plan&quot;) and vest ratably on the first, second and third anniversary of the Grant Date (October 15, 2026).</footnote>
        <footnote id="F4">These RSUs were granted pursuant to the Company's Long-Term Incentive Program (the &quot;LTIP&quot;) under the Plan and vest equally on the first, second and third anniversary of the Grant Date.</footnote>
        <footnote id="F5">The Performance Based Restricted Stock Units (&quot;PSUs&quot;) convert into shares of Common Stock on a one-for-one basis upon vesting.</footnote>
        <footnote id="F6">These PSUs were granted pursuant to the Company's LTIP and are earned in four segments, (1) 16.66% are earned based on performance during the first year, (2) 16.67% are earned based on performance during each of the second and third years and (3) 50% are earned based on the Company's three-year performance. The PSUs in each segment can be earned between 50% and 200% based on the Company's performance, provided that the Company's performance exceeds the threshold performance level. Once earned, the PSUs vest on the third anniversary of the Grant Date.</footnote>
        <footnote id="F7">These PSUs were granted pursuant to the Company's LTIP and are earned between 50% and 200% based on the Company's performance, provided that the Company's performance exceeds the threshold performance level. Once earned, the PSUs vest on the third anniversary of the Grant Date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jed Dolson</signatureName>
        <signatureDate>2026-10-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
