<SEC-DOCUMENT>0001209191-19-043926.txt : 20190731
<SEC-HEADER>0001209191-19-043926.hdr.sgml : 20190731
<ACCEPTANCE-DATETIME>20190731204403
ACCESSION NUMBER:		0001209191-19-043926
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190731
FILED AS OF DATE:		20190731
DATE AS OF CHANGE:		20190731

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Kendall David M
		CENTRAL INDEX KEY:			0001732647

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50865
		FILM NUMBER:		19990570

	MAIL ADDRESS:	
		STREET 1:		30930 RUSSELL RANCH ROAD
		CITY:			WESTLAKE VILLAGE
		STATE:			CA
		ZIP:			91362

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MANNKIND CORP
		CENTRAL INDEX KEY:			0000899460
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				133607736
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		30930 RUSSELL RANCH ROAD
		STREET 2:		SUITE 300
		CITY:			WESTLAKE VILLAGE
		STATE:			CA
		ZIP:			91362
		BUSINESS PHONE:		818-661-5000

	MAIL ADDRESS:	
		STREET 1:		30930 RUSSELL RANCH ROAD
		STREET 2:		SUITE 300
		CITY:			WESTLAKE VILLAGE
		STATE:			CA
		ZIP:			91362
</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>2019-07-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000899460</issuerCik>
        <issuerName>MANNKIND CORP</issuerName>
        <issuerTradingSymbol>MNKD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001732647</rptOwnerCik>
            <rptOwnerName>Kendall David M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>30930 RUSSELL RANCH ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 300</rptOwnerStreet2>
            <rptOwnerCity>WESTLAKE VILLAGE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>91362</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Medical Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $0.01 Par Value</value>
            </securityTitle>
            <transactionDate>
                <value>2019-07-31</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.95</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>49850</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The reporting person purchased shares through the Company's Employee Stock Purchase Plan on July 31, 2019 representing the maximum allowable under the Plan for this period.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ David M. Kendall</signatureName>
        <signatureDate>2019-07-31</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
