<SEC-DOCUMENT>0001789373-20-000050.txt : 20200716
<SEC-HEADER>0001789373-20-000050.hdr.sgml : 20200716
<ACCEPTANCE-DATETIME>20200716172013
ACCESSION NUMBER:		0001789373-20-000050
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200714
FILED AS OF DATE:		20200716
DATE AS OF CHANGE:		20200716

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hocking Jeremy J
		CENTRAL INDEX KEY:			0001707891

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15141
		FILM NUMBER:		201032110

	MAIL ADDRESS:	
		STREET 1:		855 EAST MAIN
		CITY:			ZEELAND
		STATE:			MI
		ZIP:			49464

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HERMAN MILLER INC
		CENTRAL INDEX KEY:			0000066382
		STANDARD INDUSTRIAL CLASSIFICATION:	OFFICE FURNITURE [2520]
		IRS NUMBER:				380837640
		STATE OF INCORPORATION:			MI
		FISCAL YEAR END:			0530

	BUSINESS ADDRESS:	
		STREET 1:		855 E MAIN AVE
		STREET 2:		PO BOX 302
		CITY:			ZEELAND
		STATE:			MI
		ZIP:			49464-0302
		BUSINESS PHONE:		6166543000

	MAIL ADDRESS:	
		STREET 1:		8500 BYRON RD
		CITY:			ZEELAND
		STATE:			MI
		ZIP:			49464

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MILLER HERMAN INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MILLER HERMAN FURNITURE CO
		DATE OF NAME CHANGE:	19690610

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MICHIGAN STAR FURNITURE CO
		DATE OF NAME CHANGE:	19671116
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-07-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000066382</issuerCik>
        <issuerName>HERMAN MILLER INC</issuerName>
        <issuerTradingSymbol>MLHR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001707891</rptOwnerCik>
            <rptOwnerName>Hocking Jeremy J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>855 EAST MAIN AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 302</rptOwnerStreet2>
            <rptOwnerCity>ZEELAND</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>49464</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President - HM International</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Non-Qualified Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>21.38</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2020-07-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>21949</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2030-07-14</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>21949</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>21949</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Non-Qualified Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>23.52</value>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2020-07-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>45445</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2030-07-14</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>45445</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>45445</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F3"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2020-07-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>6255</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F4"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6255</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12412</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This grant vests in three equal annual installments beginning on the first anniversary of the grant date.</footnote>
        <footnote id="F2">The exercise price of this premium-priced option is equal to 110% of the closing price of Herman Miller's common stock on the date of grant.</footnote>
        <footnote id="F3">Each restricted stock unit represents a contingent right to receive one share of MLHR common stock.</footnote>
        <footnote id="F4">The restricted stock units are subject to a three-year vest schedule, vesting 25% on 8/1/2021, 25% on 8/1/2022, and 50% 8/1/2023.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Chase M. Wirth For: Jeremy J. Hocking</signatureName>
        <signatureDate>2020-07-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
