<SEC-DOCUMENT>0001214659-19-005342.txt : 20190815
<SEC-HEADER>0001214659-19-005342.hdr.sgml : 20190815
<ACCEPTANCE-DATETIME>20190815165351
ACCESSION NUMBER:		0001214659-19-005342
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190806
FILED AS OF DATE:		20190815
DATE AS OF CHANGE:		20190815

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mangrove Partners Master Fund, Ltd.
		CENTRAL INDEX KEY:			0001569227
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32924
		FILM NUMBER:		191030866

	BUSINESS ADDRESS:	
		STREET 1:		MAPLES CORP. SVCS, PO BOX 309
		STREET 2:		UGLAND HOUSE, S. CHURCH STREET
		CITY:			GEORGE TOWN
		STATE:			E9
		ZIP:			KY1-1104
		BUSINESS PHONE:		2128979537

	MAIL ADDRESS:	
		STREET 1:		645 MADISON AVE, 14 FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MANGROVE PARTNERS
		CENTRAL INDEX KEY:			0001535392
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32924
		FILM NUMBER:		191030867

	BUSINESS ADDRESS:	
		STREET 1:		645 MADISON AVENUE, 14TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		212-897-9535

	MAIL ADDRESS:	
		STREET 1:		645 MADISON AVENUE, 14TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			AUGUST NATHANIEL H.
		CENTRAL INDEX KEY:			0001535393

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32924
		FILM NUMBER:		191030868

	MAIL ADDRESS:	
		STREET 1:		10 EAST 53RD STREET, 31ST FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Green Plains Inc.
		CENTRAL INDEX KEY:			0001309402
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL ORGANIC CHEMICALS [2860]
		IRS NUMBER:				841652107
		STATE OF INCORPORATION:			IA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1811 AKSARBEN DRIVE
		CITY:			OMAHA
		STATE:			NE
		ZIP:			68106
		BUSINESS PHONE:		402-884-8700

	MAIL ADDRESS:	
		STREET 1:		1811 AKSARBEN DRIVE
		CITY:			OMAHA
		STATE:			NE
		ZIP:			68106

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Green Plains Renewable Energy, Inc.
		DATE OF NAME CHANGE:	20100106

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GREEN PLAINS RENEWABLE ENERGY, INC.
		DATE OF NAME CHANGE:	20060314

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Green Plains Renewable Energy, Inc.
		DATE OF NAME CHANGE:	20041123
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>marketforms-45504.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2019-08-06</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001309402</issuerCik>
        <issuerName>Green Plains Inc.</issuerName>
        <issuerTradingSymbol>GPRE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001569227</rptOwnerCik>
            <rptOwnerName>Mangrove Partners Master Fund, Ltd.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>PO BOX 309, UGLAND HOUSE, S. CHURCH ST.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>GEORGE TOWN</rptOwnerCity>
            <rptOwnerState>E9</rptOwnerState>
            <rptOwnerZipCode>KY1-1104</rptOwnerZipCode>
            <rptOwnerStateDescription>CAYMAN ISLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001535392</rptOwnerCik>
            <rptOwnerName>MANGROVE PARTNERS</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>645 MADISON AVENUE, 14TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001535393</rptOwnerCik>
            <rptOwnerName>AUGUST NATHANIEL H.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>645 MADISON AVENUE, 14TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>true</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, Par Value $0.001 Per Share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4034954</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Nathaniel H. August, as Director of Mangrove Partners as Investment Manager</signatureName>
        <signatureDate>2019-08-15</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Nathaniel H. August, Director</signatureName>
        <signatureDate>2019-08-15</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Nathaniel H. August</signatureName>
        <signatureDate>2019-08-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
