<SEC-DOCUMENT>0001144204-19-012314.txt : 20190305
<SEC-HEADER>0001144204-19-012314.hdr.sgml : 20190305
<ACCEPTANCE-DATETIME>20190305180714
ACCESSION NUMBER:		0001144204-19-012314
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190301
FILED AS OF DATE:		20190305
DATE AS OF CHANGE:		20190305

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LeMahieu Kevin M.
		CENTRAL INDEX KEY:			0001754636

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38676
		FILM NUMBER:		19660136

	MAIL ADDRESS:	
		STREET 1:		C/O BANK FIRST NATIONAL CORPORATION
		STREET 2:		402 NORTH 8TH STREET
		CITY:			MANITOWOC
		STATE:			WI
		ZIP:			54220

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Bank First National Corp
		CENTRAL INDEX KEY:			0001746109
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				391435359
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		402 NORTH EIGHTH STREET
		CITY:			MANITOWOC
		STATE:			WI
		ZIP:			54220
		BUSINESS PHONE:		920-652-3100

	MAIL ADDRESS:	
		STREET 1:		402 NORTH EIGHTH STREET
		CITY:			MANITOWOC
		STATE:			WI
		ZIP:			54220
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>tv515531_form4a.xml
<DESCRIPTION>4/A
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2019-03-01</periodOfReport>

    <dateOfOriginalSubmission>2019-03-04</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001746109</issuerCik>
        <issuerName>Bank First National Corp</issuerName>
        <issuerTradingSymbol>BFC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001754636</rptOwnerCik>
            <rptOwnerName>LeMahieu Kevin M.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BANK FIRST NATIONAL CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>402 NORTH 8TH STREET</rptOwnerStreet2>
            <rptOwnerCity>MANITOWOC</rptOwnerCity>
            <rptOwnerState>WI</rptOwnerState>
            <rptOwnerZipCode>54220</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Financial Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-03-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1575</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>56.62</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>14746</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Kelly Dvorak, attorney-in-fact</signatureName>
        <signatureDate>2019-03-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
