<SEC-DOCUMENT>0001615774-19-005665.txt : 20190411
<SEC-HEADER>0001615774-19-005665.hdr.sgml : 20190411
<ACCEPTANCE-DATETIME>20190411201814
ACCESSION NUMBER:		0001615774-19-005665
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190408
FILED AS OF DATE:		20190411
DATE AS OF CHANGE:		20190411

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			B. Riley Principal Sponsor Co., LLC
		CENTRAL INDEX KEY:			0001772457
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38864
		FILM NUMBER:		19744793

	BUSINESS ADDRESS:	
		STREET 1:		299 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10171
		BUSINESS PHONE:		212-457-3300

	MAIL ADDRESS:	
		STREET 1:		299 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10171

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			B. Riley Financial, Inc.
		CENTRAL INDEX KEY:			0001464790
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38864
		FILM NUMBER:		19744794

	BUSINESS ADDRESS:	
		STREET 1:		21255 BURBANK BLVD.
		STREET 2:		SUITE 400
		CITY:			WOODLAND HILLS
		STATE:			CA
		ZIP:			91367
		BUSINESS PHONE:		818-884-3737

	MAIL ADDRESS:	
		STREET 1:		21255 BURBANK BLVD.
		STREET 2:		SUITE 400
		CITY:			WOODLAND HILLS
		STATE:			CA
		ZIP:			91367

	FORMER NAME:	
		FORMER CONFORMED NAME:	Great American Group, Inc.
		DATE OF NAME CHANGE:	20090522

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			B. Riley Principal Merger Corp.
		CENTRAL INDEX KEY:			0001759824
		STANDARD INDUSTRIAL CLASSIFICATION:	BLANK CHECKS [6770]
		IRS NUMBER:				832583782
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		299 PARK AVENUE, 7TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10171
		BUSINESS PHONE:		212 457 3300

	MAIL ADDRESS:	
		STREET 1:		299 PARK AVENUE, 7TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10171
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>s117395_form4.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-04-08</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001759824</issuerCik>
        <issuerName>B. Riley Principal Merger Corp.</issuerName>
        <issuerTradingSymbol>BRPM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001772457</rptOwnerCik>
            <rptOwnerName>B. Riley Principal Sponsor Co., LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O B. RILEY PRINCIPAL MERGER CORP.</rptOwnerStreet1>
            <rptOwnerStreet2>299 PARK AVENUE, 21ST FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10171</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001464790</rptOwnerCik>
            <rptOwnerName>B. Riley Financial, Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>21255 BURBANK BOULEVARD, SUITE 400</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WOODLAND HILLS</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>91367</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-04-08</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>425000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>10.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>425000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote.</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The reported shares of Class A Common Stock are within 425,000 of the Issuer's Private Placement Units, as described under the heading &quot;Description of Securities &quot; in the Issuer's registration statement on Form S-1 (File No. 333- 230286), purchased by the Reporting Persons for $10.00 per Private Placement Unit.</footnote>
        <footnote id="F2">B. Riley Financial, Inc. (&quot;BRF&quot;) is the sole member of the managing member of B. Riley Principal Sponsor Co., LLC (the &quot;Sponsor&quot;) and has voting and dispositive power over the securities held by the Sponsor. BRF disclaims beneficial ownership over any securities directly held by the Sponsor other than to the extent of any pecuniary interest it may have therein, directly or indirectly.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Daniel Nussen, Attorney-in-Fact for B. Riley Principal Sponsor Co., LLC</signatureName>
        <signatureDate>2019-04-11</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Daniel Nussen, Attorney-in-Fact for B. Riley Financial, Inc.</signatureName>
        <signatureDate>2019-04-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
