What are Alexander Dimitrief’s reported EOSE share holdings after the transactions?

After the reported activity, Alexander Dimitrief shows 262,184 Eos Energy Enterprises common shares held directly. In addition, 10,000 common shares are reported as held indirectly through his spouse, giving a combined reported position that reflects equity exposure without new market purchases or sales.

Director at Eos Energy (EOSE) settles 26,963 RSUs in cash at $6.88

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Eos Energy Enterprises director Alexander Dimitrief reported compensation-related activity involving restricted stock units (RSUs). On May 19, 2026, 26,963 RSUs granted on May 19, 2025 were cash settled at $6.88 per unit. According to the disclosure, no common shares were actually issued or disposed. Following these entries, he reports 262,184 common shares held directly and 10,000 common shares held indirectly by his spouse, indicating a routine equity compensation settlement without open-market buying or selling.

Insider Trade Summary

26,963 shares exercised/converted

Mixed 4 txns

Insider DIMITRIEF ALEXANDER

Role null

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	26,963	$0.00	--
Exercise	Common Stock	26,963	$0.00	--
Disposition	Common Stock	10,785	$6.88	$74K
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Units — 0 shares (Direct, null); Common Stock — 262,184 shares (Direct, null); Common Stock — 10,000 shares (Indirect, By Spouse)

Footnotes (1)

Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock. Represents the cash settlement on May 19, 2026 of RSUs granted on May 19, 2025. Each RSU was settled for $6.88, the closing price per share of common stock of the Company on May 19, 2026. No shares were actually issued to the reporting person, nor did the reporting person dispose of any shares. Not applicable.

Key Figures

RSUs settled: 26,963 units RSU cash settlement price: $6.88 per unit Direct common shares after transaction: 262,184 shares +2 more

5 metrics

RSUs settled 26,963 units Restricted stock units settled May 19, 2026

RSU cash settlement price $6.88 per unit Closing common stock price on May 19, 2026

Direct common shares after transaction 262,184 shares Total common stock held directly following reported entries

Indirect common shares by spouse 10,000 shares Common stock held indirectly through spouse

Shares in disposition-to-issuer line 10,785 shares Technical reporting line; footnote states no shares actually disposed

Key Terms

Restricted Stock Units, cash settlement, disposition to issuer, contingent right

4 terms

Restricted Stock Units financial

"Restricted Stock Units, transaction code M, represent equity-based compensation linked to 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.

cash settlement financial

"Represents the cash settlement on May 19, 2026 of RSUs granted on May 19, 2025."

Cash settlement is a process where, instead of exchanging physical assets like stocks or commodities, the parties involved settle the difference in value with money after a contract ends. For investors, it simplifies transactions by avoiding the need to handle or deliver the actual asset, making it quicker and more convenient to complete trades. This method ensures a straightforward way to settle agreements based on their final value.

disposition to issuer financial

"transaction_code_description: Disposition to issuer for a non-derivative common stock entry."

contingent right financial

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

Form 4 Insider Transactions: What Each Field Means →

05/19/2026 - 07:28 PM

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^*

DIMITRIEF ALEXANDER

(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)
05/19/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	05/19/2026		M		26,963	A	$0⁽¹⁾	262,184	D
Common Stock	05/19/2026		D		10,785⁽²⁾	D	$6.88	251,399	D
Common Stock								10,000	I	By Spouse

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽¹⁾	05/19/2026		M			26,963	⁽³⁾	⁽³⁾	Common Stock	26,963	$0	0	D

Explanation of Responses:

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

2. Represents the cash settlement on May 19, 2026 of RSUs granted on May 19, 2025. Each RSU was settled for $6.88, the closing price per share of common stock of the Company on May 19, 2026. No shares were actually issued to the reporting person, nor did the reporting person dispose of any shares.

3. Not applicable.

Remarks:

	/s/ Michael Silberman as attorney-in-fact for Alexander Dimitrief	05/19/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider activity did Alexander Dimitrief report for EOSE?

Alexander Dimitrief reported the cash settlement of restricted stock units rather than open-market trades. On May 19, 2026, 26,963 RSUs granted a year earlier were settled for cash at $6.88 each, with no common stock actually issued or disposed in the process.

Did the EOSE director buy or sell common shares in this Form 4?

The filing indicates no actual common shares were bought or sold. RSUs were cash settled at $6.88 per unit, and the footnote explicitly states no shares were issued to the reporting person, nor were any shares disposed, making this a non-market compensation event.

How many restricted stock units were settled and at what price for EOSE?

A total of 26,963 restricted stock units were settled in cash at $6.88 per unit. These RSUs were originally granted on May 19, 2025 and were settled on May 19, 2026 using the company’s common stock closing price on the settlement date.

What does the ‘disposition to issuer’ code mean in this EOSE Form 4?

The disposition-to-issuer code reflects technical reporting of how RSUs were settled, but the footnote clarifies the outcome. The RSUs were cash settled at $6.88 per unit, and no common shares were actually issued to or disposed of by the reporting person in this transaction.

How do restricted stock units work in this EOSE director’s compensation?

Each RSU represents a contingent right to receive one share of common stock. In this case, 26,963 RSUs granted in 2025 were settled in cash at the 2026 closing share price, illustrating that RSUs can be settled financially without delivering actual shares to the holder.