Eos Energy CFO reports initial share holdings

Eos Energy Enterprises, Inc. filed an initial ownership report for its Chief Financial Officer, Alessandro Lagi.

Rhea-AI Filing Summary

Eos Energy Enterprises, Inc. filed an initial ownership report for its Chief Financial Officer, Alessandro Lagi. The filing shows he beneficially owns 12,114 shares of Common Stock, held directly. This Form 3 does not report any recent purchases or sales, only his starting equity position as an executive.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Lagi Alessandro

Role Chief Financial Officer

Type	Security	Shares	Price	Value
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 12,114 shares (Direct)

Key Figures

Common Stock held: 12,114 shares

1 metrics

Common Stock held 12,114 shares Direct ownership reported on Form 3 for CFO Alessandro Lagi

Key Terms

Common Stock, Chief Financial Officer, direct

3 terms

Common Stock financial

"security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Chief Financial Officer financial

"officer_title: "Chief Financial Officer""

A Chief Financial Officer (CFO) is the person in charge of a company's money and financial planning. They decide how to spend, save, and invest funds to help the company grow and stay stable. Their role is important because good financial decisions keep the company healthy and successful.

direct financial

"ownership_type: "direct""

FAQ

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

What does the EOSE Form 3 filing for Alessandro Lagi show?

The Form 3 shows Eos Energy CFO Alessandro Lagi beneficially owns 12,114 shares of Common Stock directly. It is an initial ownership report and does not include any recent share purchases or sales.

How many Eos Energy (EOSE) shares does the CFO hold?

According to the Form 3, Eos Energy Chief Financial Officer Alessandro Lagi holds 12,114 shares of Common Stock. These shares are reported as being owned directly, reflecting his starting equity stake as an officer.

Is the EOSE Form 3 a buy or sell transaction?

The Eos Energy Form 3 is not a buy or sell transaction. It is an initial statement of beneficial ownership that lists the CFO’s existing 12,114 Common Stock shares, without reporting any new trades.

What type of security is reported in the EOSE Form 3?

The filing reports ownership of Common Stock in Eos Energy Enterprises, Inc. It shows that CFO Alessandro Lagi directly holds 12,114 shares, with no derivative securities or option positions listed in this report.

Does the EOSE Form 3 disclose any derivative securities for the CFO?

No derivative securities are listed in this Form 3 for Eos Energy’s CFO. The filing only shows direct ownership of 12,114 shares of Common Stock, with no options, warrants, or other derivatives disclosed in the derivative summary.

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

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Accepted by SEC EDGAR 06/09/2026 - 04:17 PM EDT Learn about SEC filing dates

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Lagi Alessandro

(Last) (First) (Middle)

C/O EOS ENERGY ENTERPRISES, INC.

3920 PARK AVENUE

(Street)

EDISON NEW JERSEY 08820

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
06/08/2026

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

3a. Foreign Trading Symbol

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

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

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

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)
Common Stock	12,114	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: 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

Explanation of Responses:

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Michael Silberman as attorney-in-fact for Alessandro Lagi	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 5 (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 3: SEC 1473 (03-26)