<SEC-DOCUMENT>0001171843-18-006846.txt : 20181003
<SEC-HEADER>0001171843-18-006846.hdr.sgml : 20181003
<ACCEPTANCE-DATETIME>20181003185733
ACCESSION NUMBER:		0001171843-18-006846
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20181001
FILED AS OF DATE:		20181003
DATE AS OF CHANGE:		20181003

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BURCHFIELD JAY D
		CENTRAL INDEX KEY:			0001064402

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-06253
		FILM NUMBER:		181106545

	MAIL ADDRESS:	
		STREET 1:		233 S PATTERSON AVE
		CITY:			SPRINGFIELD
		STATE:			MO
		ZIP:			65802

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SIMMONS FIRST NATIONAL CORP
		CENTRAL INDEX KEY:			0000090498
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				710407808
		STATE OF INCORPORATION:			AR
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		501 MAIN STREET
		STREET 2:		C/O SIMMONS FIRST NATIONAL CORP
		CITY:			PINE BLUFF
		STATE:			AR
		ZIP:			71601
		BUSINESS PHONE:		8705411000

	MAIL ADDRESS:	
		STREET 1:		501 MAIN STREET
		STREET 2:		C/O SIMMONS FIRST NATIONAL CORP
		CITY:			PINE BLUFF
		STATE:			AR
		ZIP:			71601
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-10-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000090498</issuerCik>
        <issuerName>SIMMONS FIRST NATIONAL CORP</issuerName>
        <issuerTradingSymbol>SFNC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001064402</rptOwnerCik>
            <rptOwnerName>BURCHFIELD JAY D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3596 FAIR OAKS LANE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LONGBOAT KEY</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>34228</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>SFNC</value>
            </securityTitle>
            <transactionDate>
                <value>2018-10-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>410</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>28.74</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>90754</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>28.74</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2018-10-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>410</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>28.74</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>410</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>410</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The Restricted Stock Unit vested October 1, 2018.</footnote>
        <footnote id="F2">The balance of the Restricted Stock Units vest on January 2, 2019. SFNC shares will be delivered within 30 days of vesting. Events such as retirement, death, disability and other specified events in the agreement may result in earlier vesting.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Jay D. Burchfield by Piper P. Erwin</signatureName>
        <signatureDate>2018-10-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.1
<SEQUENCE>2
<FILENAME>exh_241.htm
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="margin: 0; text-align: right"><B>Exhibit 24.1</B></P>

<P STYLE="margin: 0; text-align: right"><B>&nbsp;</B></P>

<P STYLE="margin: 0; text-align: right"><B>&nbsp;</B></P>

<P STYLE="margin: 0; text-align: left"></P>

<P STYLE="font-size: 10pt; text-align: center; margin: 0pt 0">POWER OF ATTORNEY</P>

<P STYLE="font-size: 10pt; text-align: center; margin: 0pt 0">&nbsp;</P>

<P STYLE="font-size: 10pt; text-align: justify; margin: 0pt 0">I, Jay D. Burchfield, hereby revoke any previous powers of attorney
granted by me with respect to the below-described activities.</P>

<P STYLE="font-size: 10pt; text-align: justify; margin: 0pt 0">&nbsp;</P>

<P STYLE="font-size: 10pt; text-align: justify; margin: 0pt 0">I, Jay D. Burchfield, a Director of Simmons First National Corporation,
hereby constitute, appoint and authorize David W. Garner, Kevin W. Pletcher, Piper P. Erwin or Natalie Gassiott to execute on my
behalf any Form 3&rsquo;s, Form 4&rsquo;s or Form 5&rsquo;s required to be filed with the United States Securities and Exchange
Commission at any time until such time as I revoke this power of attorney in writing.</P>

<P STYLE="font-size: 10pt; margin: 0pt 0">&nbsp;</P>

<P STYLE="font-size: 10pt; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 10pt Times New Roman, Times, Serif; width: 100%">
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="width: 30%; border-bottom: Black 1pt solid">9/21/18</TD>
    <TD STYLE="width: 20%">&nbsp;</TD>
    <TD STYLE="width: 30%; border-bottom: Black 1pt solid">/s/ Jay D. Burchfield</TD>
    <TD STYLE="width: 20%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>Date</TD>
    <TD>&nbsp;</TD>
    <TD>Signature</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
</TABLE>

<P STYLE="font-size: 10pt; margin: 0pt 0"></P>

<P STYLE="font-size: 10pt; margin: 0pt 0">&nbsp;</P>

<P STYLE="font-size: 10pt; margin: 0pt 0">&nbsp;</P>

<P STYLE="font-size: 10pt; margin: 0pt 0">&nbsp;</P>

<P STYLE="font-size: 10pt; margin: 0pt 0">&nbsp;</P>

<P STYLE="font-size: 10pt; margin: 0pt 0">&nbsp;</P>

<P STYLE="font-size: 10pt; margin: 0pt 0"></P>

<!-- Field: Rule-Page --><DIV ALIGN="CENTER" STYLE="margin-top: 3pt; margin-bottom: 3pt"><DIV STYLE="font-size: 1pt; border-top: Black 4pt solid; width: 100%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="font-size: 10pt; margin: 0pt 0"></P>

</BODY>
</HTML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
