<SEC-DOCUMENT>0001084961-17-000089.txt : 20170626
<SEC-HEADER>0001084961-17-000089.hdr.sgml : 20170626
<ACCEPTANCE-DATETIME>20170626164329
ACCESSION NUMBER:		0001084961-17-000089
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170622
FILED AS OF DATE:		20170626
DATE AS OF CHANGE:		20170626

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ENCORE CAPITAL GROUP INC
		CENTRAL INDEX KEY:			0001084961
		STANDARD INDUSTRIAL CLASSIFICATION:	SHORT-TERM BUSINESS CREDIT INSTITUTIONS [6153]
		IRS NUMBER:				481090909
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3111 CAMINO DEL RIO NORTH
		STREET 2:		SUITE 103
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92108
		BUSINESS PHONE:		877-445-4581

	MAIL ADDRESS:	
		STREET 1:		3111 CAMINO DEL RIO NORTH
		STREET 2:		SUITE 103
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92108

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MCM CAPITAL GROUP INC
		DATE OF NAME CHANGE:	19990430

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MIDLAND CORP OF KANSAS
		DATE OF NAME CHANGE:	19990423

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Masih Ashish
		CENTRAL INDEX KEY:			0001578828

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26489
		FILM NUMBER:		17930287

	MAIL ADDRESS:	
		STREET 1:		C/O ENCORE CAPITAL GROUP, INC., STE 1300
		STREET 2:		3111 CAMINO DEL RIO NORTH
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92108
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_149850979616104.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-06-22</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001084961</issuerCik>
        <issuerName>ENCORE CAPITAL GROUP INC</issuerName>
        <issuerTradingSymbol>ECPG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001578828</rptOwnerCik>
            <rptOwnerName>Masih Ashish</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3111 CAMINO DEL RIO NORTH, SUITE 103</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN DIEGO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92108</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</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>2017-06-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>4716</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>89331</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>40.5</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-06-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>13316</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2024-06-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>13316.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>13316</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Grant to the reporting person on June 22, 2017 of restricted stock units (&quot;RSUs&quot;) under the Encore Capital Group, Inc. 2017 Incentive Award Plan. The RSUs are subject to vesting and vest in annual installments over a three-year period, with one-third vesting on June 22, 2018, one-third vesting on June 22, 2019, and the remaining one-third vesting on June 22, 2020.</footnote>
        <footnote id="F2">The option vests and becomes exercisable, if at all, in installments over a three-year period, with one-third vesting on June 22, 2018, one-third vesting on June 22, 2019 and the remaining one-third vesting on June 22, 2020, but only if and when the 20 trading day average of the NASDAQ-reported closing price per share of the Company's common stock (subject to certain adjustments) exceeds $50.63 per share.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Greg Call, Attorney-in-Fact for Ashish Masih</signatureName>
        <signatureDate>2017-06-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
