<SEC-DOCUMENT>0001127602-19-028480.txt : 20190916
<SEC-HEADER>0001127602-19-028480.hdr.sgml : 20190916
<ACCEPTANCE-DATETIME>20190916163646
ACCESSION NUMBER:		0001127602-19-028480
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190912
FILED AS OF DATE:		20190916
DATE AS OF CHANGE:		20190916

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Jackson Kevin G
		CENTRAL INDEX KEY:			0001602040

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05111
		FILM NUMBER:		191095038

	MAIL ADDRESS:	
		STREET 1:		ONE STRAWBERRY LANE
		CITY:			ORRVILLE
		STATE:			OH
		ZIP:			44667

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			J M SMUCKER Co
		CENTRAL INDEX KEY:			0000091419
		STANDARD INDUSTRIAL CLASSIFICATION:	CANNED, FRUITS, VEG & PRESERVES, JAMS & JELLIES [2033]
		IRS NUMBER:				340538550
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			0430

	BUSINESS ADDRESS:	
		STREET 1:		ONE STRAWBERRY LANE
		CITY:			ORRVILLE
		STATE:			OH
		ZIP:			44667
		BUSINESS PHONE:		3306823000

	MAIL ADDRESS:	
		STREET 1:		ONE STRAWBERRY LANE
		CITY:			ORRVILLE
		STATE:			OH
		ZIP:			44667

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SMUCKER J M CO
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-09-12</periodOfReport>

    <issuer>
        <issuerCik>0000091419</issuerCik>
        <issuerName>J M SMUCKER Co</issuerName>
        <issuerTradingSymbol>SJM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001602040</rptOwnerCik>
            <rptOwnerName>Jackson Kevin G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE STRAWBERRY LANE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ORRVILLE</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>44667</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>Senior Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2019-09-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>487</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>108.70</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>17576.331</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2019-09-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>463</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>108.70</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3222.578</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By 401(k)</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This amount includes shares acquired under the Company's dividend reinvestment plan, as administered by its transfer agent.</footnote>
        <footnote id="F2">This amount includes shares acquired under (i) the Company's 401(k) plan since the date of the reporting person's last ownership report and (ii) the Company's dividend reinvestment plan as administered by its transfer agent.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Jeannette L. Knudsen, POA</signatureName>
        <signatureDate>2019-09-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
