<SEC-DOCUMENT>0001209191-18-032388.txt : 20180522
<SEC-HEADER>0001209191-18-032388.hdr.sgml : 20180522
<ACCEPTANCE-DATETIME>20180522174547
ACCESSION NUMBER:		0001209191-18-032388
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180518
FILED AS OF DATE:		20180522
DATE AS OF CHANGE:		20180522

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DICKSON THOMAS W
		CENTRAL INDEX KEY:			0001196944

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07275
		FILM NUMBER:		18853416

	MAIL ADDRESS:	
		STREET 1:		301 S TRYON STREET, SUITE 1800
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28282

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CONAGRA BRANDS INC.
		CENTRAL INDEX KEY:			0000023217
		STANDARD INDUSTRIAL CLASSIFICATION:	FOOD & KINDRED PRODUCTS [2000]
		IRS NUMBER:				470248710
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0531

	BUSINESS ADDRESS:	
		STREET 1:		222 W. MERCHANDISE MART PLAZA
		STREET 2:		SUITE 1300
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60654
		BUSINESS PHONE:		312-549-5000

	MAIL ADDRESS:	
		STREET 1:		222 W. MERCHANDISE MART PLAZA
		STREET 2:		SUITE 1300
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60654

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CONAGRA FOODS INC /DE/
		DATE OF NAME CHANGE:	20001006

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CONAGRA INC /DE/
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NEBRASKA CONSOLIDATED MILLS CO
		DATE OF NAME CHANGE:	19721201
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-05-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000023217</issuerCik>
        <issuerName>CONAGRA BRANDS INC.</issuerName>
        <issuerTradingSymbol>CAG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001196944</rptOwnerCik>
            <rptOwnerName>DICKSON THOMAS W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CONAGRA BRANDS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>222 MERCHANDISE MART PLAZA, SUITE 1300</rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60654</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-05-18</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1.91</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>37.15</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5288.91</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents the right to receive 1.91 shares of the Issuer's common stock in connection with the payment of the Reporting Person's director's fees, which fees have been deferred under the Issuer's Directors' Deferred Compensation Plan (the &quot;Plan&quot;).  These shares will be distributed to the Reporting Person in accordance with his election under the Plan; deferred amounts may not be transferred from the Plan until the time specified in his election.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Christine Herbas, attorney-in-fact</signatureName>
        <signatureDate>2018-05-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
