<SEC-DOCUMENT>0001562180-25-000635.txt : 20250128
<SEC-HEADER>0001562180-25-000635.hdr.sgml : 20250128
<ACCEPTANCE-DATETIME>20250128170322
ACCESSION NUMBER:		0001562180-25-000635
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250124
FILED AS OF DATE:		20250128
DATE AS OF CHANGE:		20250128

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			McAlary Ileana
		CENTRAL INDEX KEY:			0001892902
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-31127
		FILM NUMBER:		25565354

	MAIL ADDRESS:	
		STREET 1:		850 76TH STREET SW
		CITY:			GRAND RAPIDS
		STATE:			MI
		ZIP:			49518

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SpartanNash Co
		CENTRAL INDEX KEY:			0000877422
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-GROCERIES & GENERAL LINE [5141]
		ORGANIZATION NAME:           	07 Trade & Services
		IRS NUMBER:				380593940
		STATE OF INCORPORATION:			MI
		FISCAL YEAR END:			1228

	BUSINESS ADDRESS:	
		STREET 1:		850 76TH ST SW
		STREET 2:		P O BOX 8700
		CITY:			GRAND RAPIDS
		STATE:			MI
		ZIP:			49518
		BUSINESS PHONE:		6168782000

	MAIL ADDRESS:	
		STREET 1:		850 76TH ST SW
		STREET 2:		PO BOX 8700
		CITY:			GRAND RAPIDS
		STATE:			MI
		ZIP:			49518

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SPARTAN STORES INC
		DATE OF NAME CHANGE:	19930328
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primarydocument.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-01-24</periodOfReport>

    <notSubjectToSection16>false</notSubjectToSection16>

    <issuer>
        <issuerCik>0000877422</issuerCik>
        <issuerName>SpartanNash Co</issuerName>
        <issuerTradingSymbol>SPTN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001892902</rptOwnerCik>
            <rptOwnerName>McAlary Ileana</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>850 76TH STREET SW</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>GRAND RAPIDS</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>49518</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>EVP CLO and Secretary</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2025-01-24</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>7813.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>7813.00</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>16333.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Represents the award of Restricted Stock Units ('RSUs') under the SpartanNash Company 2024 Stock Incentive Plan ('Plan'). These RSUs will vest on January 24, 2026. Each RSU represents the right to receive one share of SpartanNash common stock upon vesting. Prior to vesting, these RSUs will remain subject to restrictions in accordance with the Plan and the terms of the grant.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Ileana McAlary</signatureName>
        <signatureDate>2025-01-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
