<SEC-DOCUMENT>0001209191-22-060635-index.html : 20221212
<SEC-HEADER>0001209191-22-060635.hdr.sgml : 20221212
<ACCEPTANCE-DATETIME>20221212101555
ACCESSION NUMBER:		0001209191-22-060635
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20221201
FILED AS OF DATE:		20221212
DATE AS OF CHANGE:		20221212

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Zimmerly Ronald Len Jr.
		CENTRAL INDEX KEY:			0001954793

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36613
		FILM NUMBER:		221456464

	MAIL ADDRESS:	
		STREET 1:		4427 COUNTY ROAD 55
		CITY:			BELLEFONTAINE
		STATE:			OH
		ZIP:			43311

ISSUER:		

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

	BUSINESS ADDRESS:	
		STREET 1:		15985 E HIGH ST
		STREET 2:		P O BOX 35
		CITY:			MIDDLEFILED
		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>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
Document 1 - file: doc3.html

Document 1 - RAW XML: doc3.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>poa.txt
<DESCRIPTION>POA DOCUMENT
<TEXT>
Document 2 - file: poa.txt

</DOCUMENT>
</SEC-DOCUMENT>