<SEC-DOCUMENT>0001209191-17-002983.txt : 20170109
<SEC-HEADER>0001209191-17-002983.hdr.sgml : 20170109
<ACCEPTANCE-DATETIME>20170109171729
ACCESSION NUMBER:		0001209191-17-002983
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170105
FILED AS OF DATE:		20170109
DATE AS OF CHANGE:		20170109

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GREGOR JOIE A
		CENTRAL INDEX KEY:			0001256987

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07275
		FILM NUMBER:		17518592
</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>2017-01-05</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001256987</rptOwnerCik>
            <rptOwnerName>GREGOR JOIE A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CONAGRA BRANDS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>222 W. MERCHANDISE MART PLAZA, STE 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>2017-01-05</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3300</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>39.0112</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>50820.17</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Price reflects a weighted average purchase price for multiple transactions ranging from $39.0110 to $39.0150 per share, inclusive. The Reporting Person undertakes to provide, upon request by the SEC Staff, the Issuer or a security holder of the Issuer, full information regarding the number of shares purchased at each separate price.</footnote>
        <footnote id="F2">Includes 327 shares acquired through a dividend equivalent reinvestment feature under the Issuer's Directors' Deferred Compensation Plan (the &quot;Plan&quot;) and 21 shares acquired through dividend equivalent rights under the Issuer's 2014 Stock Plan, in each case since the date of the Reporting Person's last report.</footnote>
        <footnote id="F3">Reflects an antidilution adjustment of 7,112.17 shares to the number of shares the Reporting Person has the right to receive under the Plan, which antidilution adjustment was made in connection with the spinoff of Lamb Weston Holdings, Inc. from the Issuer on November 9, 2016.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Christine Herbas, attorney-in-fact</signatureName>
        <signatureDate>2017-01-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
