<SEC-DOCUMENT>0001140361-21-004728-index.html : 20210212
<SEC-HEADER>0001140361-21-004728.hdr.sgml : 20210212
<ACCEPTANCE-DATETIME>20210212171728
ACCESSION NUMBER:		0001140361-21-004728
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20210212
DATE AS OF CHANGE:		20210212
GROUP MEMBERS:		BASSO GP, LLC
GROUP MEMBERS:		BASSO MANAGEMENT, LLC
GROUP MEMBERS:		BASSO SPAC FUND LLC
GROUP MEMBERS:		HOWARD I. FISCHER

SUBJECT COMPANY:	

	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:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-91520
		FILM NUMBER:		21629692

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BASSO CAPITAL MANAGEMENT, L.P.
		CENTRAL INDEX KEY:			0001287978
		IRS NUMBER:				200406508
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		1266 EAST MAIN STREET
		STREET 2:		4TH FLOOR
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06902
		BUSINESS PHONE:		(203) 352-6100

	MAIL ADDRESS:	
		STREET 1:		1266 EAST MAIN STREET
		STREET 2:		4TH FLOOR
		CITY:			STAMFORD
		STATE:			CT
		ZIP:			06902

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BASSO CAPITAL MANAGEMENT L.P.
		DATE OF NAME CHANGE:	20130806

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BASSO CAPITAL MANAGEMENT LP
		DATE OF NAME CHANGE:	20130731

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BASSO CAPITAL  MANAGEMENT LP
		DATE OF NAME CHANGE:	20040421
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>brhc10020273_sc13ga.htm
<DESCRIPTION>SC 13GA
<TEXT>
Document 1 - file: brhc10020273_sc13ga.htm

</DOCUMENT>
</SEC-DOCUMENT>