<SEC-DOCUMENT>0001493152-26-003862.txt : 20260127
<SEC-HEADER>0001493152-26-003862.hdr.sgml : 20260127
<ACCEPTANCE-DATETIME>20260127201942
ACCESSION NUMBER:		0001493152-26-003862
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260123
FILED AS OF DATE:		20260127
DATE AS OF CHANGE:		20260127

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			James Jeremy William
		CENTRAL INDEX KEY:			0001952160
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41751
		FILM NUMBER:		26567761

	MAIL ADDRESS:	
		STREET 1:		4785 GLEN HEATHER DRIVE
		CITY:			FRISCO
		STATE:			TX
		ZIP:			75034

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MDB Capital Holdings, LLC
		CENTRAL INDEX KEY:			0001934642
		STANDARD INDUSTRIAL CLASSIFICATION:	FINANCE SERVICES [6199]
		ORGANIZATION NAME:           	02 Finance
		EIN:				874366624
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4209 MEADOWDALE LN
		CITY:			DALLAS
		STATE:			TX
		ZIP:			95229
		BUSINESS PHONE:		310-526-5000

	MAIL ADDRESS:	
		STREET 1:		4209 MEADOWDALE LN
		CITY:			DALLAS
		STATE:			TX
		ZIP:			95229
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2026-01-23</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001934642</issuerCik>
        <issuerName>MDB Capital Holdings, LLC</issuerName>
        <issuerTradingSymbol>MDBH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001952160</rptOwnerCik>
            <rptOwnerName>James Jeremy William</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>14135 MIDWAY ROAD,</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE G-150</rptOwnerStreet2>
            <rptOwnerCity>ADDISON,</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75001</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CFO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2026-01-23</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>60</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.34</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>23279</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-01-26</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3440</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.32</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>19839</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The reported price in Column 4 is an average sales price. The shares sold on January 23, 2026 were sold in multiple transactions at prices ranging from $3.32 to $3.39 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F2">The reported price in Column 4 is an average sales price. The shares sold on January 26, 2026 were sold in multiple transactions at prices ranging from $3.30 to $3.34 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon written request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.</footnote>
    </footnotes>

    <remarks>Note. The sales reported upon represents the number of shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock grants that were previously reported. This sale is to satisfy mandatory non-discretionary tax withholding obligations by a &quot;sell to cover&quot; transaction.</remarks>

    <ownerSignature>
        <signatureName>/s/ Jeremy James</signatureName>
        <signatureDate>2026-01-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
