Eos Energy Enterprises (EOSE) CLO sells 41,667 shares to cover taxes

Rhea-AI Filing Summary

Eos Energy Enterprises Chief Legal Officer Michael W. Silberman reported automatic share transactions linked to restricted stock unit (RSU) vesting. On January 22, 2026, 83,334 RSUs were converted into the same number of common shares at $0 exercise price under the company’s 2020 Incentive Plan, with the RSUs scheduled to vest in three equal annual installments subject to continued service. On January 23, 2026, he sold 41,667 common shares at a weighted average price of $17.74 under a pre-established Rule 10b5-1 trading plan designed to cover estimated tax withholding obligations from this vesting. Following these transactions, Silberman beneficially owned 283,279 common shares directly and 83,333 RSUs, each RSU representing a right to receive one common share.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Silberman Michael W

(Last) (First) (Middle)

C/O EOS ENERGY ENTERPRISES, INC.

3920 PARK AVENUE

(Street)

EDISON NJ 08820

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Eos Energy Enterprises, Inc. [ EOSE ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Legal Officer

3. Date of Earliest Transaction (Month/Day/Year)
01/22/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	01/22/2026		M		83,334	A	$0	324,946	D
Common Stock	01/23/2026		S(1)		41,667	D	$17.74(2)	283,279	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units(3)	(4)	01/22/2026		M			83,334	(5)	(5)	Common Stock	83,334	$0	83,333	D

Explanation of Responses:

1. The sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 15, 2025 to cover estimated tax withholding obligations in connection with the vesting of restricted stock units.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.27 to $18.26, inclusive. The reporting person undertakes to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

3. The reporting person received a grant of RSUs under the Issuer's 2020 Incentive Plan, which will vest in three equal installments on each of the first three anniversaries of the grant date, subject to continued service through each vesting date.

4. Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.

5. Not applicable.

Remarks:

	/s/ Michael Silberman	01/23/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider activity did EOSE report for Michael W. Silberman on this Form 4?

The Form 4 shows that Chief Legal Officer Michael W. Silberman exercised 83,334 restricted stock units into common stock on January 22, 2026 and sold 41,667 common shares on January 23, 2026.

How many EOSE shares did the CLO sell and at what price?

He sold 41,667 shares of common stock at a weighted average price of $17.74 per share, with individual sale prices ranging from $17.27 to $18.26.

Was the EOSE insider sale by Michael Silberman discretionary or under a plan?

The filing states the sales were effected automatically under a Rule 10b5-1 trading plan adopted by Silberman on September 15, 2025 to cover estimated tax withholding obligations from RSU vesting.

What RSU activity did EOSE disclose for its Chief Legal Officer?

The CLO received a grant of 83,334 RSUs under the 2020 Incentive Plan, which will vest in three equal installments on each of the first three anniversaries of the grant date, subject to continued service. Each RSU represents a right to receive one share of common stock.

How many EOSE shares and RSUs does Michael Silberman hold after these transactions?

After the reported transactions, he directly beneficially owned 283,279 shares of common stock and 83,333restricted stock units.

What is the role of Michael W. Silberman at Eos Energy Enterprises (EOSE)?

According to the filing, Michael W. Silberman serves as the company’s Chief Legal Officer and is not listed as a director or 10% owner.