<SEC-DOCUMENT>0001104659-15-081951.txt : 20151130
<SEC-HEADER>0001104659-15-081951.hdr.sgml : 20151130
<ACCEPTANCE-DATETIME>20151130162101
ACCESSION NUMBER:		0001104659-15-081951
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20151125
FILED AS OF DATE:		20151130
DATE AS OF CHANGE:		20151130

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Midstates Petroleum Company, Inc.
		CENTRAL INDEX KEY:			0001533924
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				453691816
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		321 SOUTH BOSTON
		STREET 2:		SUITE 1000
		CITY:			TULSA
		STATE:			OK
		ZIP:			74103
		BUSINESS PHONE:		(918) 974-8550

	MAIL ADDRESS:	
		STREET 1:		321 SOUTH BOSTON
		STREET 2:		SUITE 1000
		CITY:			TULSA
		STATE:			OK
		ZIP:			74103

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			R/C Energy GP IV, LLC
		CENTRAL INDEX KEY:			0001534523
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35512
		FILM NUMBER:		151260203

	BUSINESS ADDRESS:	
		STREET 1:		C/O RIVERSTONE HOLDINGS LLC
		STREET 2:		712 FIFTH AVENUE, 36TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		212-993-0076

	MAIL ADDRESS:	
		STREET 1:		C/O RIVERSTONE HOLDINGS LLC
		STREET 2:		712 FIFTH AVENUE, 36TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Riverstone/Carlyle Energy Partners IV, L.P.
		CENTRAL INDEX KEY:			0001534496
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35512
		FILM NUMBER:		151260204

	BUSINESS ADDRESS:	
		STREET 1:		C/O RIVERSTONE HOLDINGS LLC
		STREET 2:		712 FIFTH AVENUE, 36TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		212-993-0076

	MAIL ADDRESS:	
		STREET 1:		C/O RIVERSTONE HOLDINGS LLC
		STREET 2:		712 FIFTH AVENUE, 36TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			R/C IV Eagle Holdings, L.P.
		CENTRAL INDEX KEY:			0001582940
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35512
		FILM NUMBER:		151260205

	BUSINESS ADDRESS:	
		STREET 1:		712 FIFTH AVENUE, 36TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		(212)993-0076

	MAIL ADDRESS:	
		STREET 1:		712 FIFTH AVENUE, 36TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2015-11-25</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001533924</issuerCik>
        <issuerName>Midstates Petroleum Company, Inc.</issuerName>
        <issuerTradingSymbol>MPO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001582940</rptOwnerCik>
            <rptOwnerName>R/C IV Eagle Holdings, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>712 FIFTH AVENUE, 36TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10019</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001534496</rptOwnerCik>
            <rptOwnerName>Riverstone/Carlyle Energy Partners IV, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>712 FIFTH AVENUE, 36TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10019</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001534523</rptOwnerCik>
            <rptOwnerName>R/C Energy GP IV, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>712 FIFTH AVENUE, 36TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10019</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2015-11-25</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3891</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.78</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2936041</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2015-11-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>100</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.31</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2935941</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.30 to $3.41, inclusive. The reporting person undertakes to provide to Midstates Petroleum Company, Inc. (the &quot;Issuer&quot;), any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4.</footnote>
        <footnote id="F2">Held directly by R/C IV Eagle Holdings, L.P. (&quot;Eagle Holdings&quot;).  R/C Energy GP IV, LLC (&quot;Ultimate R/C GP&quot;) is the general partner of Riverstone/Carlyle Energy Partners IV, L.P. (&quot;R/C GP&quot;), which is the general partner of Eagle Holdings. Each of Ultimate R/C GP and R/C GP may be deemed to indirectly own the shares directly owned by Eagle Holdings.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Thomas Walker, as Managing Director of R/C Energy GP IV, LLC, on behalf of R/C IV Eagle Holdings, L.P.</signatureName>
        <signatureDate>2015-11-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Thomas Walker, as Managing Director of R/C Energy GP IV, LLC, on behalf of Riverstone/Carlyle Energy Partners IV, L.P.</signatureName>
        <signatureDate>2015-11-30</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Thomas Walker, as Managing Director, on behalf of R/C Energy GP IV, LLC</signatureName>
        <signatureDate>2015-11-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
