<SEC-DOCUMENT>0000048287-20-000128.txt : 20200812
<SEC-HEADER>0000048287-20-000128.hdr.sgml : 20200812
<ACCEPTANCE-DATETIME>20200812095255
ACCESSION NUMBER:		0000048287-20-000128
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200810
FILED AS OF DATE:		20200812
DATE AS OF CHANGE:		20200812

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Yates Kristin L
		CENTRAL INDEX KEY:			0001781928

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14225
		FILM NUMBER:		201094464

	MAIL ADDRESS:	
		STREET 1:		600 EAST SECOND STREET
		CITY:			MUSCATINE
		STATE:			IA
		ZIP:			52761

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HNI CORP
		CENTRAL INDEX KEY:			0000048287
		STANDARD INDUSTRIAL CLASSIFICATION:	OFFICE FURNITURE (NO WOOD) [2522]
		IRS NUMBER:				420617510
		STATE OF INCORPORATION:			IA
		FISCAL YEAR END:			0102

	BUSINESS ADDRESS:	
		STREET 1:		600 EAST SECOND STREET - PO BOX 1109
		CITY:			MUSCATINE
		STATE:			IA
		ZIP:			52761-7109
		BUSINESS PHONE:		5632727400

	MAIL ADDRESS:	
		STREET 1:		600 EAST SECOND STREET
		STREET 2:		P O BOX 1109
		CITY:			MUSCATINE
		STATE:			IA
		ZIP:			52761

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HON INDUSTRIES INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HOME O NIZE CO
		DATE OF NAME CHANGE:	19681001
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_159724035567126.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-08-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000048287</issuerCik>
        <issuerName>HNI CORP</issuerName>
        <issuerTradingSymbol>HNI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001781928</rptOwnerCik>
            <rptOwnerName>Yates Kristin L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>600 EAST SECOND STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MUSCATINE</rptOwnerCity>
            <rptOwnerState>IA</rptOwnerState>
            <rptOwnerZipCode>52761</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President, Allsteel Inc.</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-08-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2322</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11519.314</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-08-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>705</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>30.96</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10844.311</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.0</value>
                <footnoteId id="F4"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2020-08-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2322</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2020-08-07</value>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F5"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2322.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Represents the conversion upon vesting of Restricted Stock Units into Common Stock. On August 7, 2018, the reporting person was granted 4,645 Restricted Stock Units (&quot;2018 Grant&quot;) that were previously reported on Table II of Form 3, which form was filed with the SEC on July 10, 2019. The first installment of the Restricted Stock Units vested on August 7, 2019, and were reported on Table I on August 9, 2019. The remainder vested on August 7, 2020, which are being reported now in this Table I.</footnote>
        <footnote id="F2">The reporting person is reporting the withholding by the Issuer of an aggregate of 705 shares of Common Stock that vested on August 7, 2020 pursuant to the 2018 Grant, but were not issued in order to satisfy the reporting person's tax withholding obligations in connection with the delivery of the converted Common Stock to the reporting person as of August 7, 2020.</footnote>
        <footnote id="F3">The total in column 5 includes reinvested dividends of 29.997 shares.</footnote>
        <footnote id="F4">Each restricted stock unit represents a contingent right to receive one share of Issuer's Common Stock.</footnote>
        <footnote id="F5">On August 7, 2018, the reporting person was granted 4,645 Restricted Stock Units, vesting in equal installments on each of the first two anniversaries of the grant date of the 2018 Grant. The first installment converted on August 7, 2019, and was reported on Table I on August 9, 2019. The second installment into which such vested Restricted Units converted on August 7, 2020, is reported on Table I of this Form 4. The 2018 Grant is now completely vested and converted.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Steven M. Bradford, By Power or Attorney</signatureName>
        <signatureDate>2020-08-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
