Eos Energy director granted 18,217 RSUs

Urban David reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Urban David reported acquisition or exercise transactions in this Form 4 filing.

Eos Energy Enterprises director David Urban reported receiving a grant of restricted stock units as equity-based compensation. He was awarded 18,217 RSUs, each representing a contingent right to receive one share of common stock or a cash payment. These RSUs will vest on the earlier of the first anniversary of the grant date or immediately before the company’s next annual shareholders meeting following the grant date. After this grant, Urban’s reported derivative holdings from this award total 18,217 RSUs tied to common stock.

Insider Trade Summary

Grant/Award: 18,217 shares

Grant/Award 1 txn

Insider Urban David

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	18,217	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 18,217 contracts (Direct)

Footnotes (3)

1. F1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.
2. F2. The reporting person was granted RSUs that settle in cash or common stock, which will vest on the earlier of (i) the first anniversary of the grant date and (ii) immediately prior to the date of the next annual shareholders meeting of the Company following the grant date.
3. F3. Not applicable.

Key Figures

RSUs granted: 18,217 units Underlying common shares: 18,217 shares Grant price per RSU: $0.00 per unit +1 more

4 metrics

RSUs granted 18,217 units Award to director David Urban on June 5, 2026

Underlying common shares 18,217 shares Each RSU represents one share of common stock

Grant price per RSU $0.00 per unit Equity compensation grant, no cash paid by director

Holdings after grant 18,217 RSUs Total derivative holdings from this award following transaction

Key Terms

Restricted Stock Units, contingent right, annual shareholders meeting, vest

4 terms

Restricted Stock Units financial

"The reporting person was granted RSUs that settle in cash or common stock"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

contingent right financial

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

annual shareholders meeting financial

"immediately prior to the date of the next annual shareholders meeting of the Company"

An annual shareholders meeting is a yearly gathering where owners of a company review its performance, hear presentations from management, ask questions, and vote on important items such as board members, executive pay, and dividend policies. Think of it as a company town hall where votes and discussions can change leadership, strategy or payouts—outcomes that can directly affect a stock’s future performance and an investor’s rights and returns.

vest financial

"which will vest on the earlier of (i) the first anniversary of the grant date"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Eos Energy (EOSE) report for David Urban?

Eos Energy reported that director David Urban received a grant of 18,217 restricted stock units. Each RSU represents a contingent right to one share of common stock or an equivalent cash payment, subject to vesting conditions tied to time and the next annual shareholders meeting.

How many restricted stock units did Eos Energy (EOSE) grant to director David Urban?

David Urban was granted 18,217 restricted stock units by Eos Energy. These RSUs are a form of equity-based compensation and are linked one-for-one to the company’s common stock, settling in either cash or shares when the vesting conditions are satisfied in the future.

When do David Urban’s Eos Energy (EOSE) RSUs vest?

The RSUs granted to David Urban vest on the earlier of two dates: the first anniversary of the grant date or immediately prior to Eos Energy’s next annual shareholders meeting. Vesting must occur before he can receive common stock or cash tied to these units.

Do the Eos Energy (EOSE) RSUs granted to David Urban pay cash or stock?

The RSUs granted to David Urban may settle in either cash or Eos Energy common stock. Each unit represents a contingent right to one share or a cash equivalent, with the actual settlement form determined when the vesting conditions are met and the award is settled.

What does each Eos Energy (EOSE) restricted stock unit granted to David Urban represent?

Each restricted stock unit granted to David Urban represents a contingent right to receive one share of Eos Energy common stock. Alternatively, it can be settled in cash at the company’s discretion, once the specified vesting conditions related to time and shareholder meeting timing are fulfilled.

Is David Urban’s Eos Energy (EOSE) RSU grant an open-market stock purchase?

No, David Urban’s 18,217 RSU grant is not an open-market purchase. It is a compensation award from Eos Energy, granted at no cash cost to him, and becomes actual stock or cash only if and when the vesting conditions are satisfied in the future.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/09/2026 - 04:22 PM EDT Learn about SEC filing dates

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

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^*

Urban David

(Last) (First) (Middle)

C/O EOS ENERGY ENTERPRISES, INC.

3920 PARK AVENUE

(Street)

EDISON NEW JERSEY 08820

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/05/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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

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

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	(1)	06/05/2026		A		18,217		(2)	(3)	Common Stock	18,217	$0	18,217	D

Explanation of Responses:

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

2. The reporting person was granted RSUs that settle in cash or common stock, which will vest on the earlier of (i) the first anniversary of the grant date and (ii) immediately prior to the date of the next annual shareholders meeting of the Company following the grant date.

3. Not applicable.

Remarks:

	/s/ Michael Silberman as attorney-in-fact for David Urban	06/09/2026
	** 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.
* Form 4: SEC 1474 (03-26)