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 * SPRING CREEK CAPITAL LLC 2. Date of Event Requiring Statement (MM/DD/YYYY)
7/7/2021 

3. Issuer Name and Ticker or Trading Symbol Eos Energy Enterprises, Inc. [EOSE]
(Last)       (First)       (Middle)
4111 EAST 37TH STREET NORTH
4. Relationship of Reporting Person(s) to Issuer (Check all applicable)_____ Director                          ___X___ 10% Owner
_____ Officer (give title below)        _____ Other (specify below)
(Street)
WICHITA, KS 67220      
(City)             (State)             (Zip)
5. If Amendment, Date Original Filed(MM/DD/YYYY)
 

6. Individual or Joint/Group Filing(Check Applicable Line)___ Form filed by One Reporting Person
_X_ 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)
Common Stock  2538261 (1) D   

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
5% / 6% Convertible Senior PIK Toggle Notes Due 2021  7/7/2021  6/20/2026  Common Stock  4999100  $20  D   

Explanation of Responses:
(1)  Represents shares of common stock held by Spring Creek Capital, LLC ("Spring Creek"). Spring Creek is 100% owned by SCC Holdings, LLC ("SCC Holdings") and SCC Holdings is 100% owned by Koch Industries, Inc. ("Koch Industries"). Koch Industries and SCC Holdings may be deemed to beneficially own the Common Stock held by Spring Creek by virtue of Koch Industries' ownership of SCC Holdings and SCC Holdings' ownership of Spring Creek. Each of SCC Holdings and Koch Industries disclaim such beneficial ownership except to the extent of their pecuniary interest therein.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
SPRING CREEK CAPITAL LLC
4111 EAST 37TH STREET NORTH
WICHITA, KS 67220

X

SCC Holdings, LLC
4111 E 37TH STREET NORTH
WICHITA, KS 67220

X

KOCH INDUSTRIES INC
4111 EAST 37TH STREET NORTH
WICHITA, KS 67220

X


Signatures
Spring Creek Capital, LLC /s/ Raffaele G. Fazio, Secretary 7/14/2021
**Signature of Reporting Person Date
SCC Holdings, LLC /s/ Raffaele G. Fazio, Secretary 7/14/2021
**Signature of Reporting Person Date
Koch Industries, Inc. /s/ Raffaele G. Fazio, Assistant Secretary 7/14/2021
**Signature of Reporting Person Date
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