FORM 3
        
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * Iyer Balakrishnan Gopalan 2. Date of Event Requiring Statement (MM/DD/YYYY)
11/16/2020 

3. Issuer Name and Ticker or Trading Symbol Eos Energy Enterprises, Inc. [EOSE]
(Last)       (First)       (Middle)
C/O EOS ENERGY ENTERPRISES, INC., 3920 PARK AVENUE
4. Relationship of Reporting Person(s) to Issuer (Check all applicable)_____ Director                          _____ 10% Owner
___X___ Officer (give title below)        _____ Other (specify below)
Chief Commercial Officer /
(Street)
EDISON, NJ 08820      
(City)             (State)             (Zip)
5. If Amendment, Date Original Filed(MM/DD/YYYY)
 

6. Individual or Joint/Group Filing(Check Applicable Line)_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(MM/DD/YYYY)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Options   (1) 4/20/2030  Common Stock  57638  $8.67  D   
Options   (2) 4/20/2020  Common Stock  14409  $8.67  D   
Options   (3) 4/20/2030  Common Stock  14409  $8.67  D   

Explanation of Responses:
(1)  For so long as the reporting person remains in service, the shares of common stock subject to this option will vest as to 25% on 4/20/2021, with the remaining vesting in equal annual installments over a three year period.
(2)  For so long as the reporting person remains in service, and beginning on the date the issuer achieves 300MWh in booked orders (the "Vesting Date"), the shares of common stock subject to this option will vest as to 25% twelve months following the Vesting Date, with the remaining vesting in equal annual installments over a three year period.
(3)  For so long as the reporting person remains in service, and beginning on the date the issuer achieves 600MWh in booked orders (the "Vesting Date"), the shares of common stock subject to this option will vest as to 25% twelve months following the Vesting Date, with the remaining vesting in equal annual installments over a three year period.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Iyer Balakrishnan Gopalan
C/O EOS ENERGY ENTERPRISES, INC.
3920 PARK AVENUE
EDISON, NJ 08820


Chief Commercial Officer

Signatures
/s/ Dr. Balakrishnan G. Iyer 11/25/2020
**Signature of Reporting Person Date
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