<SEC-DOCUMENT>0001209191-20-013629.txt : 20200228
<SEC-HEADER>0001209191-20-013629.hdr.sgml : 20200228
<ACCEPTANCE-DATETIME>20200228060040
ACCESSION NUMBER:		0001209191-20-013629
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200225
FILED AS OF DATE:		20200228
DATE AS OF CHANGE:		20200228

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Binder Steven B.
		CENTRAL INDEX KEY:			0001712601

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-50865
		FILM NUMBER:		20665487

	MAIL ADDRESS:	
		STREET 1:		30930 RUSSELL RANCH ROAD
		STREET 2:		SUITE 300
		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>2020-02-25</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001712601</rptOwnerCik>
            <rptOwnerName>Binder Steven B.</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 Financial Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.47</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2020-02-25</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>45025</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.47</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2020-02-25</value>
            </exerciseDate>
            <expirationDate>
                <value>2027-08-24</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Stock Options</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>45025</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>45025</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On August 24, 2017, the reporting person was granted an option that vests upon the achievement of certain defined performance milestones. On February 25, 2020, one of the defined performance milestones was met, resulting in the partial vesting of the option.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Steven B. Binder</signatureName>
        <signatureDate>2020-02-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
