<SEC-DOCUMENT>0001805077-23-000003.txt : 20230202
<SEC-HEADER>0001805077-23-000003.hdr.sgml : 20230202
<ACCEPTANCE-DATETIME>20230202084800
ACCESSION NUMBER:		0001805077-23-000003
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		<ITEMS>06b
FILED AS OF DATE:		20230202
DATE AS OF CHANGE:		20230202
EFFECTIVENESS DATE:		20230202

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Eos Energy Enterprises, Inc.
		CENTRAL INDEX KEY:			0001805077
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-472414
		FILM NUMBER:		23578917

	BUSINESS ADDRESS:	
		STREET 1:		3920 PARK AVENUE
		CITY:			EDISON
		STATE:			NJ
		ZIP:			08820
		BUSINESS PHONE:		(732) 225-8400

	MAIL ADDRESS:	
		STREET 1:		3920 PARK AVENUE
		CITY:			EDISON
		STATE:			NJ
		ZIP:			08820

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	B. Riley Principal Merger Corp. II
		DATE OF NAME CHANGE:	20200227
</SEC-HEADER>
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        <entityName>Eos Energy Enterprises, Inc.</entityName>
        <issuerAddress>
            <street1>3920 PARK AVENUE</street1>
            <city>EDISON</city>
            <stateOrCountry>NJ</stateOrCountry>
            <stateOrCountryDescription>NEW JERSEY</stateOrCountryDescription>
            <zipCode>08820</zipCode>
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        <issuerPhoneNumber>(732) 225-8400</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <edgarPreviousNameList>
            <previousName>B. Riley Principal Merger Corp. II</previousName>
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                <lastName>Mastrangelo</lastName>
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                <stateOrCountry>NJ</stateOrCountry>
                <stateOrCountryDescription>NEW JERSEY</stateOrCountryDescription>
                <zipCode>08820</zipCode>
            </relatedPersonAddress>
            <relatedPersonRelationshipList>
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                <relationship>Director</relationship>
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        </relatedPersonInfo>
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                <firstName>Jeffrey</firstName>
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                <firstName>Audrey</firstName>
                <lastName>Zibelman</lastName>
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                <zipCode>08820</zipCode>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Nathan</firstName>
                <lastName>Kroeker</lastName>
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                <stateOrCountry>NJ</stateOrCountry>
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                <zipCode>08820</zipCode>
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                <lastName>Berube</lastName>
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                <city>Edison</city>
                <stateOrCountry>NJ</stateOrCountry>
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                <zipCode>08820</zipCode>
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                <lastName>Gonzales</lastName>
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            <relatedPersonRelationshipList>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Alex</firstName>
                <lastName>Dimitrief</lastName>
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    <offeringData>
        <industryGroup>
            <industryGroupType>Other Energy</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Decline to Disclose</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2023-01-18</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isDebtType>true</isDebtType>
            <isOptionToAcquireType>true</isOptionToAcquireType>
            <isSecurityToBeAcquiredType>true</isSecurityToBeAcquiredType>
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        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>13750000</totalOfferingAmount>
            <totalAmountSold>13750000</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse>The notes are convertible, at the holder's option prior to the maturity date, into shares of common stock based on an initial conversion rate of 598.824 shares of common stock per $1,000 principal amount of the notes, subject to customary adjustments.</clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>7</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
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                <dollarAmount>0</dollarAmount>
            </salesCommissions>
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        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>Eos Energy Enterprises, Inc.</issuerName>
                <signatureName>/s/ Melissa Berube</signatureName>
                <nameOfSigner>Melissa Berube</nameOfSigner>
                <signatureTitle>General Counsel and Corporate Secretary</signatureTitle>
                <signatureDate>2023-02-02</signatureDate>
            </signature>
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</SEC-DOCUMENT>
