<SEC-DOCUMENT>0001438284-19-000013.txt : 20190725
<SEC-HEADER>0001438284-19-000013.hdr.sgml : 20190725
<ACCEPTANCE-DATETIME>20190725102723
ACCESSION NUMBER:		0001438284-19-000013
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190724
FILED AS OF DATE:		20190725
DATE AS OF CHANGE:		20190725

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			OXFORD ASSET MANAGEMENT LLP
		CENTRAL INDEX KEY:			0001438284
		STATE OF INCORPORATION:			X0
		FISCAL YEAR END:			0331

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38105
		FILM NUMBER:		19972961

	BUSINESS ADDRESS:	
		STREET 1:		OXAM HOUSE
		STREET 2:		6 GEORGE STREET
		CITY:			OXFORD
		STATE:			X0
		ZIP:			OX1 2BW
		BUSINESS PHONE:		441865248248

	MAIL ADDRESS:	
		STREET 1:		OXAM HOUSE
		STREET 2:		6 GEORGE STREET
		CITY:			OXFORD
		STATE:			X0
		ZIP:			OX1 2BW

	FORMER NAME:	
		FORMER CONFORMED NAME:	OxFORD Asset Management LLP
		DATE OF NAME CHANGE:	20170710

	FORMER NAME:	
		FORMER CONFORMED NAME:	OXFORD ASSET MANAGEMENT
		DATE OF NAME CHANGE:	20080620

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KBL MERGER CORP. IV
		CENTRAL INDEX KEY:			0001690080
		STANDARD INDUSTRIAL CLASSIFICATION:	BLANK CHECKS [6770]
		IRS NUMBER:				813832378
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		150 WEST 56TH STREET SUITE 5901
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
		BUSINESS PHONE:		212-319-5555

	MAIL ADDRESS:	
		STREET 1:		150 WEST 56TH STREET SUITE 5901
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10019
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-07-24</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001690080</issuerCik>
        <issuerName>KBL MERGER CORP. IV</issuerName>
        <issuerTradingSymbol>KBLM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001438284</rptOwnerCik>
            <rptOwnerName>OXFORD ASSET MANAGEMENT LLP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>OXAM HOUSE</rptOwnerStreet1>
            <rptOwnerStreet2>6 GEORGE STREET</rptOwnerStreet2>
            <rptOwnerCity>OXFORD</rptOwnerCity>
            <rptOwnerState>X0</rptOwnerState>
            <rptOwnerZipCode>OX1 2BW</rptOwnerZipCode>
            <rptOwnerStateDescription>UNITED KINGDOM</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock, $0.0001 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2019-07-24</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>10.49</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1138385</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote 1</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This Form 4 relates to Securities held for the account of OxAM Quant Fund Limited, a Cayman Islands exempted company ('OxAM'). OxAM has in place an Investment Advisory Agreement with OxFORD ASSET MANAGEMENT LLP ('OxFORD'), pursuant to which OxFORD serves as the investment adviser to OxAM. In such capacity, OxFORD may be deemed to exercise the voting and dispositive power over the Securities held for the account of OxAM. OxFORD disclaims beneficial ownership of the Securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that OxFORD is the beneficial owner of the Securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>-s- DAVINA GUINNESS, CHIEF COMPLIANCE OFFICER, ON BEHALF OF OxFORD ASSET MANAGEMENT LLP</signatureName>
        <signatureDate>2019-07-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
