    <SEC-DOCUMENT>0001174947-21-000365-index.html : 20210405
    <SEC-HEADER>0001174947-21-000365.hdr.sgml : 20210405
    <ACCEPTANCE-DATETIME>20210405161644
    ACCESSION NUMBER:		0001174947-21-000365
    CONFORMED SUBMISSION TYPE:	PRE 14A
    PUBLIC DOCUMENT COUNT:		5
    CONFORMED PERIOD OF REPORT:	20210405
    FILED AS OF DATE:		20210405
    DATE AS OF CHANGE:		20210405

    FILER:

    	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

    	FILING VALUES:
    		FORM TYPE:		PRE 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-06253
    		FILM NUMBER:		21805548

    	BUSINESS ADDRESS:
    		STREET 1:		501 MAIN STREET
    		CITY:			PINE BLUFF
    		STATE:			AR
    		ZIP:			71601
    		BUSINESS PHONE:		8705411000

    	MAIL ADDRESS:
    		STREET 1:		501 MAIN STREET
    		CITY:			PINE BLUFF
    		STATE:			AR
    		ZIP:			71601
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>PRE 14A
    <SEQUENCE>1
    <FILENAME>sfncpre14aproxy.htm
    <DESCRIPTION>PRELIMINARY PROXY STATEMENT
    <TEXT>
    Document 1 - file: sfncpre14aproxy.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>image_003.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: image_003.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>proxycard_p1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: proxycard_p1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>proxycard_p2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: proxycard_p2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>table.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: table.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>