<SEC-DOCUMENT>0001615774-19-005479.txt : 20190408
<SEC-HEADER>0001615774-19-005479.hdr.sgml : 20190408
<ACCEPTANCE-DATETIME>20190408215928
ACCESSION NUMBER:		0001615774-19-005479
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20190408
FILED AS OF DATE:		20190408
DATE AS OF CHANGE:		20190408

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Suss Robert
		CENTRAL INDEX KEY:			0001651172

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38864
		FILM NUMBER:		19738403

	MAIL ADDRESS:	
		STREET 1:		10 CHURCH MOUNT
		CITY:			LONDON
		STATE:			X0
		ZIP:			N2 0RP

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>3
<SEQUENCE>1
<FILENAME>s117308_form3.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

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

    <noSecuritiesOwned>0</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001651172</rptOwnerCik>
            <rptOwnerName>Suss Robert</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>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Class B Common Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>20000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The shares of Class B common stock are convertible for shares of the Issuer's Class A common stock as described under the heading &quot;Description of Securities&quot; in the Issuer's Registration Statement on Form S-1 (File No. 333-230286) and have no expiration date.</footnote>
    </footnotes>

    <remarks>See Exhibit 24.1 - Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>/s/ Daniel Nussen, Attorney-in-Fact</signatureName>
        <signatureDate>2019-04-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.1
<SEQUENCE>2
<FILENAME>s117308_ex24-1.htm
<DESCRIPTION>EXHIBIT 24.1
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="margin: 0; text-align: right"><B>Exhibit 24.1</B></P>

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>POWER OF ATTORNEY</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">The undersigned constitutes
and appoints Joel Rubinstein, Daniel Nussen, Yael Steiner and Jordan Leon, or any of them acting singly, as the undersigned&rsquo;s
true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for the undersigned and in the
undersigned&rsquo;s name, place and stead, to sign any and all SEC statements of beneficial ownership of securities of B. Riley
Principal Merger Corp. (the &ldquo;<U>Company</U>&rdquo;) on Schedule 13D as required under Section 13 and Forms 3, 4 and 5 as
required under Section 16(a) of the Securities Exchange Act of 1934, as amended, and any amendments thereto, and to file the same
with all exhibits thereto, and other documents in connection therewith, with the SEC, the Company and any stock exchange on which
any of the Company&rsquo;s securities are listed, granting unto said attorneys-in-fact and agents, and each of them, full power
and authority to do and perform each act and thing requisite and necessary to be done under said Section 13 and Section 16(a),
as fully and to all intents and purposes as the undersigned might or could do in person, hereby ratifying and confirming all that
said attorneys-in-fact and agents, and each of them, may lawfully do or cause to be done by virtue hereof.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">A copy of this power
of attorney shall be filed with the SEC.&nbsp;&nbsp;The authorization set forth above shall continue in full force and effect until
the undersigned revokes such authorization by written instructions to the attorneys-in-fact.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">The authority granted
hereby shall in no event be deemed to impose or create any duty on behalf of the attorneys-in-fact with respect to the undersigned&rsquo;s
obligations to file Schedule 13Ds and Forms 3, 4 and 5 with the SEC.&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Dated:&nbsp;March 29th, 2019</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 10pt Times New Roman, Times, Serif; width: 100%">
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="width: 60%">&nbsp;</TD>
    <TD STYLE="width: 40%; border-bottom: Black 1pt solid">/s/ Robert Suss</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>Robert Suss</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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</DOCUMENT>
</SEC-DOCUMENT>
