<SEC-DOCUMENT>0001628280-19-001794.txt : 20190222
<SEC-HEADER>0001628280-19-001794.hdr.sgml : 20190222
<ACCEPTANCE-DATETIME>20190222181205
ACCESSION NUMBER:		0001628280-19-001794
CONFORMED SUBMISSION TYPE:	5
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20181231
FILED AS OF DATE:		20190222
DATE AS OF CHANGE:		20190222

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Griffin Augustus C.
		CENTRAL INDEX KEY:			0001615589

	FILING VALUES:
		FORM TYPE:		5
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-17196
		FILM NUMBER:		19627589

	MAIL ADDRESS:	
		STREET 1:		610 HARTS RIDGE ROAD
		CITY:			CONSHOHOCKEN
		STATE:			PA
		ZIP:			19428

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MGP INGREDIENTS INC
		CENTRAL INDEX KEY:			0000835011
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-BEER, WINE & DISTILLED ALCOHOLIC BEVERAGES [5180]
		IRS NUMBER:				480531200
		STATE OF INCORPORATION:			KS
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1300 MAIN ST
		CITY:			ATCHISON
		STATE:			KS
		ZIP:			66002
		BUSINESS PHONE:		9133671480

	MAIL ADDRESS:	
		STREET 1:		1300 MAIN STREET
		CITY:			ATCHISON
		STATE:			KS
		ZIP:			66002

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MIDWEST GRAIN PRODUCTS INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>5
<SEQUENCE>1
<FILENAME>wf-form5_155087711063864.xml
<DESCRIPTION>FORM 5
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>5</documentType>

    <periodOfReport>2018-12-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <form3HoldingsReported>0</form3HoldingsReported>

    <form4TransactionsReported>0</form4TransactionsReported>

    <issuer>
        <issuerCik>0000835011</issuerCik>
        <issuerName>MGP INGREDIENTS INC</issuerName>
        <issuerTradingSymbol>MGPI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001615589</rptOwnerCik>
            <rptOwnerName>Griffin Augustus C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MGP INGREDIENTS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>100 COMMERCIAL STREET</rptOwnerStreet2>
            <rptOwnerCity>ATCHISON</rptOwnerCity>
            <rptOwnerState>KS</rptOwnerState>
            <rptOwnerZipCode>66002</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and CEO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-02-25</value>
                <footnoteId id="F1"/>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value>L</value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>7639</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>86.65</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>106154.788</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">In connection with a restricted stock unit (RSU) vesting on the transaction date, RSUs were withheld for payment of the resulting tax liability</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/Lori Norlen as attorney-in-fact for Augustus C. Griffin</signatureName>
        <signatureDate>2019-02-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
