<SEC-DOCUMENT>0001209191-21-047384.txt : 20210720
<SEC-HEADER>0001209191-21-047384.hdr.sgml : 20210720
<ACCEPTANCE-DATETIME>20210720164144
ACCESSION NUMBER:		0001209191-21-047384
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210716
FILED AS OF DATE:		20210720
DATE AS OF CHANGE:		20210720

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SMILEY KEITH R
		CENTRAL INDEX KEY:			0001224033

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14187
		FILM NUMBER:		211101609

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RPM INTERNATIONAL INC/DE/
		CENTRAL INDEX KEY:			0000110621
		STANDARD INDUSTRIAL CLASSIFICATION:	PAINTS, VARNISHES, LACQUERS, ENAMELS & ALLIED PRODUCTS [2851]
		IRS NUMBER:				020642224
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0531

	BUSINESS ADDRESS:	
		STREET 1:		2628 PEARL RD
		STREET 2:		P O BOX 777
		CITY:			MEDINA
		STATE:			OH
		ZIP:			44258
		BUSINESS PHONE:		3302735090

	MAIL ADDRESS:	
		STREET 1:		2628 PEARL RD
		STREET 2:		P O BOX 777
		CITY:			MEDINA
		STATE:			OH
		ZIP:			44258

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RPM INTERNATIONAL INC/OH/
		DATE OF NAME CHANGE:	20021015

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RPM INC/OH/
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	REPUBLIC POWDERED METALS INC
		DATE OF NAME CHANGE:	19711027
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-07-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000110621</issuerCik>
        <issuerName>RPM INTERNATIONAL INC/DE/</issuerName>
        <issuerTradingSymbol>RPM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001224033</rptOwnerCik>
            <rptOwnerName>SMILEY KEITH R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2628 PEARL ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>P.O. BOX 777</rptOwnerStreet2>
            <rptOwnerCity>MEDINA</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>44258</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP-Finance &amp; Controller</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $01 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2021-07-16</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>597</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>88.94</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>104624</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, $0.01 par value</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4330</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By 401(k) Plan</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On July 16, 2021, 2,000 shares of Common Stock issued to the reporting person as Performance Earned Restricted Stock pursuant to the RPM International Inc. 2014 Omnibus Equity and Incentive Plan (the &quot;Plan&quot;) vested. In accordance with the Plan, the reporting person disposed of 597 shares of Common Stock back to the Issuer to satisfy tax obligations of the reporting person.</footnote>
        <footnote id="F2">Includes an aggregate of 3,552 shares of Common Stock issued pursuant to the 2007 RPM International Inc. Restricted Stock Plan and the RPM International Inc. 2014 Omnibus Equity and Incentive Plan, 4,825 vested restricted shares of Common Stock held in escrow in the 1997 RPM International Inc. Restricted Stock Plan, 16,541 vested restricted shares of Common Stock held in escrow in the 2007 RPM International Inc. Restricted Stock Plan until the reporting person's retirement, and 7,750 shares of Common Stock, issued as Performance Earned Restricted Stock, pursuant to the RPM International Inc. 2014 Omnibus Equity and Incentive Plan.</footnote>
        <footnote id="F3">Approximate number of shares held as of July 16, 2021 in the account of reporting person by Wachovia Bank, N.A., as Trustee of the RPM International Inc. 401(k) Trust and Plan, as amended.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Keith R. Smiley, by Gregory J. Dziak, his attorney-in-fact pursuant to Power of Attorney dated April 4, 2012 on file with the Commission</signatureName>
        <signatureDate>2021-07-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
