<SEC-DOCUMENT>0001437749-26-005581.txt : 20260225
<SEC-HEADER>0001437749-26-005581.hdr.sgml : 20260225
<ACCEPTANCE-DATETIME>20260225154615
ACCESSION NUMBER:		0001437749-26-005581
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260223
FILED AS OF DATE:		20260225
DATE AS OF CHANGE:		20260225

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Noblit Rebecca A
		CENTRAL INDEX KEY:			0002007936
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36613
		FILM NUMBER:		26678253

	MAIL ADDRESS:	
		STREET 1:		15985 EAST HIGH STREET
		CITY:			MIDDLEFIELD
		STATE:			OH
		ZIP:			44062

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MIDDLEFIELD BANC CORP
		CENTRAL INDEX KEY:			0000836147
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		ORGANIZATION NAME:           	02 Finance
		EIN:				341585111
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		15985 EAST HIGH STREET
		STREET 2:		P O BOX 35
		CITY:			MIDDLEFIELD
		STATE:			OH
		ZIP:			44062-9263
		BUSINESS PHONE:		4406321666

	MAIL ADDRESS:	
		STREET 1:		15985 EAST HIGH STREET
		STREET 2:		P O BOX 35
		CITY:			MIDDLEFIELD
		STATE:			OH
		ZIP:			44062-9263
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rdgdoc.xml
<DESCRIPTION>NOBLIT R 02 23 2026
<TEXT>
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    <periodOfReport>2026-02-23</periodOfReport>

    <issuer>
        <issuerCik>0000836147</issuerCik>
        <issuerName>MIDDLEFIELD BANC CORP</issuerName>
        <issuerTradingSymbol>MBCN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002007936</rptOwnerCik>
            <rptOwnerName>Noblit Rebecca A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>15985 EAST HIGH STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MIDDLEFIELD</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>44062</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>EVP-Chief Credit Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
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                <value>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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            <transactionAmounts>
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                    <value>1708</value>
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                <transactionPricePerShare>
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            <securityTitle>
                <value>Common Stock</value>
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                <value>2026-02-23</value>
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                <transactionCode>F</transactionCode>
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    <footnotes>
        <footnote id="F1">The shares represent accelerated vesting of restricted stock units (&quot;RSUs&quot;) resulting from action of the Middlefield Compensation Committee on February 23, 2026, approving the full vesting of all outstanding plan share awards, including the RSUs.  For further information regarding the acceleration of the RSUs, please see the Form 8-K Current Report filed by Middlefield with the SEC on February 25, 2026.The restricted stock award was originally granted on September 4, 2024, and provides for vesting on the third anniversary of the award.</footnote>
        <footnote id="F2">The shares represent accelerated vesting of RSUs resulting from Compensation Committee approval on February 23, 2026.  See the Form 8-K Current Report filed by Middlefield with the SEC on February 25, 2026.The restricted stock award was originally granted on January 17, 2025, and provides for vesting on the third anniversary of the award.</footnote>
        <footnote id="F3">The shares represent accelerated vesting of performance share units (&quot;PSUs&quot;) resulting from action of the Middlefield Compensation Committee on February 23, 2026, approving the full vesting of all outstanding plan share awards, including the PSUs.  See the Form 8-K Current Report filed by Middlefield with the SEC on February 25, 2026.  The vesting conditions at grant were described in a Form 8-K filed on September 4, 2024.</footnote>
        <footnote id="F4">The shares represent accelerated vesting of PSUs resulting from action of the Middlefield Compensation Committee on February 23, 2026.   See the Form 8-K Current Report filed by Middlefield with the SEC on February 25, 2026.  The vesting conditions at grant were described in a Form 8-K filed on January 17, 2025.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Rebecca A. Noblit by Julie E. Shaw Power of Attorney</signatureName>
        <signatureDate>2026-02-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
