<SEC-DOCUMENT>0001020859-18-000135.txt : 20181107
<SEC-HEADER>0001020859-18-000135.hdr.sgml : 20181107
<ACCEPTANCE-DATETIME>20181107165633
ACCESSION NUMBER:		0001020859-18-000135
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20181030
FILED AS OF DATE:		20181107
DATE AS OF CHANGE:		20181107

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Johnson David William
		CENTRAL INDEX KEY:			0001711273

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15723
		FILM NUMBER:		181167103

	MAIL ADDRESS:	
		STREET 1:		11840 VALLEY VIEW ROAD
		CITY:			EDEN PRAIRIE
		STATE:			MN
		ZIP:			55344

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNITED NATURAL FOODS INC
		CENTRAL INDEX KEY:			0001020859
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-GROCERIES & GENERAL LINE [5141]
		IRS NUMBER:				050376157
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0730

	BUSINESS ADDRESS:	
		STREET 1:		313 IRON HORSE WAY
		CITY:			PROVIDENCE
		STATE:			RI
		ZIP:			02908
		BUSINESS PHONE:		401-528-8634

	MAIL ADDRESS:	
		STREET 1:		313 IRON HORSE WAY
		CITY:			PROVIDENCE
		STATE:			RI
		ZIP:			02908
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>wf-form3_154162777732244.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2018-10-30</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001020859</issuerCik>
        <issuerName>UNITED NATURAL FOODS INC</issuerName>
        <issuerTradingSymbol>UNFI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001711273</rptOwnerCik>
            <rptOwnerName>Johnson David William</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>313 IRON HORSE WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PROVIDENCE</rptOwnerCity>
            <rptOwnerState>RI</rptOwnerState>
            <rptOwnerZipCode>02908-0999</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Accounting Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>56.94</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2025-04-30</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3018.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>48.58</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2024-05-16</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>3189.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>42.04</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2023-05-07</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5979.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>14.77</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2022-07-17</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2300.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Upon the effectiveness of the merger on October 22, 2018 (such time, the &quot;effective time&quot;) contemplated by that Agreement and Plan of Merger (the &quot;Merger Agreement&quot;), dated as of July 25, 2018, as amended October 10, 2018, by and between United Natural Foods, Inc. (the &quot;Company&quot;), SUPERVALU, and Jedi Merger Sub, Inc., a wholly owned subsidiary of the Company, as a result of which SUPERVALU became a wholly owned subsidiary of the Company, each outstanding and unexercised SUPERVALU stock option, whether vested or unvested, was converted into an option to purchase shares of the Company's common stock generally on the same terms and conditions as applied prior to the effective time, in accordance with the terms and conditions of the Merger Agreement.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Joseph McGrail, Power-of-Attorney, in fact</signatureName>
        <signatureDate>2018-11-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>johnsondnov2018poa.htm
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
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    <head>
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        <title>Exhibit</title>
    </head>
    <body style="font-family:Times New Roman;font-size:10pt;">
<div><a name="sf98a60526ec3413582c2ed4586502203"></a></div><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div><div><br></div><div style="line-height:120%;text-align:center;font-size:10.5pt;"><font style="font-family:inherit;font-size:10.5pt;font-weight:bold;">POWER OF ATTORNEY</font></div><div style="line-height:120%;text-align:justify;font-size:10.5pt;"><font style="font-family:inherit;font-size:10.5pt;"><br></font></div><div style="line-height:120%;text-align:justify;text-indent:48px;font-size:10.5pt;"><font style="font-family:inherit;font-size:10.5pt;">Know all by these presents, that the undersigned hereby constitutes and appoints Michael Zechmeister, Jill E. Sutton and Joseph McGrail, with full power of substitution, the undersigned&#8217;s true and lawful attorney-in-fact to:</font></div><div style="line-height:120%;text-align:justify;text-indent:48px;font-size:10.5pt;"><font style="font-family:inherit;font-size:10.5pt;"><br></font></div><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:96px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10.5pt;padding-left:48px;"><font style="font-family:inherit;font-size:10.5pt;">(1)</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:justify;font-size:10.5pt;"><font style="font-family:inherit;font-size:10.5pt;">execute for and on behalf of the undersigned, in the undersigned's capacity as an officer and/or director of United Natural Foods, Inc. (the &#8220;Company&#8221;), Forms&#160;3, 4, and 5 in accordance with Section&#160;16(a) of the Securities Exchange Act of 1934 and the rules thereunder;</font></div></td></tr></table><div style="line-height:120%;text-align:justify;padding-left:96px;text-indent:-48px;font-size:10.5pt;"><font style="font-family:inherit;font-size:10.5pt;"><br></font></div><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:96px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10.5pt;padding-left:48px;"><font style="font-family:inherit;font-size:10.5pt;">(2)</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:justify;font-size:10.5pt;"><font style="font-family:inherit;font-size:10.5pt;">do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute any such Form&#160;3, 4, or 5, complete and execute any amendment or amendments thereto, and timely file such form with the SEC and any stock exchange or similar authority; and</font></div></td></tr></table><div style="line-height:120%;text-align:justify;padding-left:96px;text-indent:-48px;font-size:10.5pt;"><font style="font-family:inherit;font-size:10.5pt;"><br></font></div><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:96px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10.5pt;padding-left:48px;"><font style="font-family:inherit;font-size:10.5pt;">(3)</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:justify;font-size:10.5pt;"><font style="font-family:inherit;font-size:10.5pt;">take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact&#8217;s discretion.</font></div></td></tr></table><div style="line-height:120%;text-align:justify;text-indent:48px;font-size:10.5pt;"><font style="font-family:inherit;font-size:10.5pt;"><br></font></div><div style="line-height:120%;text-align:justify;text-indent:48px;font-size:10.5pt;"><font style="font-family:inherit;font-size:10.5pt;">The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted.  The undersigned acknowledges that the foregoing attorney-in-fact, in serving in such capacity at the request of the undersigned, is not assuming, nor is the Company assuming, any of the undersigned's responsibilities to comply with Section&#160;16 of the Securities Exchange Act of 1934.</font></div><div style="line-height:120%;text-align:justify;text-indent:48px;font-size:10.5pt;"><font style="font-family:inherit;font-size:10.5pt;"><br></font></div><div style="line-height:120%;text-align:justify;text-indent:48px;font-size:10.5pt;"><font style="font-family:inherit;font-size:10.5pt;">This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms&#160;3, 4, and 5 with respect to the undersigned's holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorney-in-fact.</font></div><div style="line-height:120%;text-align:justify;text-indent:48px;font-size:10.5pt;"><font style="font-family:inherit;font-size:10.5pt;"><br></font></div><div style="line-height:120%;text-align:justify;text-indent:48px;font-size:10.5pt;"><font style="font-family:inherit;font-size:10.5pt;">IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this  6</font><font style="font-family:inherit;font-size:10.5pt;"><sup style="vertical-align:top;line-height:120%;font-size:pt">th</sup></font><font style="font-family:inherit;font-size:10.5pt;">&#32;day of November, 2018.</font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:151px;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:150px;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">/s/ David Johnson</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Signature</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">/s/ David Johnson</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Print Name</font></div></td></tr></table></div></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div><br></div><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div>    </body>
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