<SEC-DOCUMENT>0001437749-25-036633.txt : 20251202
<SEC-HEADER>0001437749-25-036633.hdr.sgml : 20251202
<ACCEPTANCE-DATETIME>20251202132622
ACCESSION NUMBER:		0001437749-25-036633
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251202
DATE AS OF CHANGE:		20251202

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MainStreet Bancshares, Inc.
		CENTRAL INDEX KEY:			0001693577
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		ORGANIZATION NAME:           	02 Finance
		EIN:				812871064
		STATE OF INCORPORATION:			VA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-38817
		FILM NUMBER:		251542420

	BUSINESS ADDRESS:	
		STREET 1:		10089 FAIRFAX BOULEVARD
		CITY:			FAIRFAX
		STATE:			VA
		ZIP:			22030
		BUSINESS PHONE:		(703) 481-4567

	MAIL ADDRESS:	
		STREET 1:		10089 FAIRFAX BOULEVARD
		CITY:			FAIRFAX
		STATE:			VA
		ZIP:			22030

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CHMELIK THOMAS J
		CENTRAL INDEX KEY:			0001774482
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		10089 FAIRFAX BOULEVARD
		CITY:			FAIRFAX
		STATE:			VA
		ZIP:			22030
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
<headerData>
<submissionType>144</submissionType>
<filerInfo>
<filer>
<filerCredentials>
<cik>0001774482</cik>
<ccc>XXXXXXXX</ccc>
</filerCredentials>
</filer>
<liveTestFlag>LIVE</liveTestFlag>


</filerInfo>
</headerData>
<formData>
<issuerInfo>
<issuerCik>0001693577</issuerCik>
<issuerName>MainStreet Bancshares, Inc.</issuerName>
<secFileNumber>001-38817</secFileNumber>
      <issuerAddress>
<com:street1>10089 FAIRFAX BOULEVARD</com:street1>
<com:city>FAIRFAX</com:city>
<com:stateOrCountry>VA</com:stateOrCountry>
<com:zipCode>22030</com:zipCode>
</issuerAddress>
<issuerContactPhone>703-481-4567</issuerContactPhone>
<nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Chmelik, Thomas J. (MNSB)</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
<relationshipsToIssuer>
<relationshipToIssuer>Officer</relationshipToIssuer>
<relationshipToIssuer>Director</relationshipToIssuer>
</relationshipsToIssuer>
</issuerInfo>
<securitiesInformation>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<brokerOrMarketmakerDetails>
<name>Morgan Stanley</name>
<address>
<com:street1>1 New York Plaza</com:street1>
<com:street2>8th Floor</com:street2>
<com:city>New York</com:city>
<com:stateOrCountry>NY</com:stateOrCountry>
<com:zipCode>10004</com:zipCode>
</address>
</brokerOrMarketmakerDetails>
<noOfUnitsSold>40586</noOfUnitsSold>
<aggregateMarketValue>799544.20</aggregateMarketValue>
<noOfUnitsOutstanding>7705571</noOfUnitsOutstanding>
<approxSaleDate>12/02/2025</approxSaleDate>
<securitiesExchangeName>NASDAQ</securitiesExchangeName>
</securitiesInformation>
<securitiesToBeSold>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<acquiredDate>01/03/2020</acquiredDate>
<natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
<nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
<isGiftTransaction>N</isGiftTransaction>
<amountOfSecuritiesAcquired>6314</amountOfSecuritiesAcquired>
<paymentDate>01/03/2020</paymentDate>
<natureOfPayment>Compensation</natureOfPayment>
</securitiesToBeSold>
<securitiesToBeSold>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<acquiredDate>01/01/2021</acquiredDate>
<natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
<nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
<isGiftTransaction>N</isGiftTransaction>
<amountOfSecuritiesAcquired>3147</amountOfSecuritiesAcquired>
<paymentDate>01/01/2021</paymentDate>
<natureOfPayment>Compensation</natureOfPayment>
</securitiesToBeSold>
<securitiesToBeSold>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<acquiredDate>01/01/2022</acquiredDate>
<natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
<nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
<isGiftTransaction>N</isGiftTransaction>
<amountOfSecuritiesAcquired>7215</amountOfSecuritiesAcquired>
<paymentDate>01/01/2022</paymentDate>
<natureOfPayment>Compensation</natureOfPayment>
</securitiesToBeSold>
<securitiesToBeSold>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<acquiredDate>01/01/2023</acquiredDate>
<natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
<nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
<isGiftTransaction>N</isGiftTransaction>
<amountOfSecuritiesAcquired>7689</amountOfSecuritiesAcquired>
<paymentDate>01/01/2023</paymentDate>
<natureOfPayment>Compensation</natureOfPayment>
</securitiesToBeSold>
<securitiesToBeSold>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<acquiredDate>01/02/2024</acquiredDate>
<natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
<nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
<isGiftTransaction>N</isGiftTransaction>
<amountOfSecuritiesAcquired>8721</amountOfSecuritiesAcquired>
<paymentDate>01/02/2024</paymentDate>
<natureOfPayment>Compensation</natureOfPayment>
</securitiesToBeSold>
<securitiesToBeSold>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<acquiredDate>01/01/2010</acquiredDate>
<natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
<nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
<isGiftTransaction>N</isGiftTransaction>
<amountOfSecuritiesAcquired>7500</amountOfSecuritiesAcquired>
<paymentDate>01/01/2010</paymentDate>
<natureOfPayment>Compensation</natureOfPayment>
</securitiesToBeSold>
<nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
<noticeSignature>
<noticeDate>12/02/2025</noticeDate>
<signature>/s/ Thomas J. Chmelik</signature>
</noticeSignature>
</formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
