Eos director granted 18,217 RSUs

Q: What insider transaction did EOSE director Jeff McNeil report?

Jeff McNeil reported receiving 18,217 restricted stock units (RSUs). These RSUs are a form of equity compensation that may convert into common shares if the vesting conditions described in the filing are satisfied.

Q: How many EOSE RSUs were granted to Jeff McNeil in this Form 4?

The Form 4 shows a grant of 18,217 restricted stock units to director Jeff McNeil. Each RSU represents a contingent right to receive one share of Eos Energy Enterprises common stock upon vesting.

Q: When do Jeff McNeil’s EOSE RSUs vest?

The RSUs vest on the earlier of the first anniversary of the grant date or immediately prior to the date of the next annual shareholders meeting. This provides a time-based vesting schedule tied to director service.

Q: What does each EOSE restricted stock unit represent in this grant?

Each restricted stock unit represents a contingent right to receive one share of Eos Energy Enterprises common stock. The units convert into shares only when the vesting conditions described in the Form 4 are met.

Q: Is Jeff McNeil’s EOSE RSU grant a market purchase or sale?

The RSU grant is an equity award, not a market purchase or sale. It reflects compensation granted by the company, with no reported cash price per unit and vesting based on continued service and timing of the next annual meeting.

McNeil Jeff reported acquisition or exercise transactions in this Form 4 filing.

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Form Type

Rhea-AI Filing Summary

McNeil Jeff reported acquisition or exercise transactions in this Form 4 filing.

Eos Energy Enterprises director Jeff McNeil received a grant of 18,217 restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of common stock. The RSUs will vest on the earlier of the first anniversary of the grant date or immediately before the company’s next annual shareholders meeting.

Insider Trade Summary

Grant/Award: 18,217 shares

Grant/Award 1 txn

Insider McNeil Jeff

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)

F1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock.
F2. The reporting person was granted RSUs that settle in 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.
F3. Not applicable.

Key Figures

RSUs granted: 18,217 units Price per RSU: $0.00 Shares underlying RSUs: 18,217 shares +1 more

4 metrics

RSUs granted 18,217 units Restricted stock units awarded to director on grant date

Price per RSU $0.00 Reported transaction price per RSU in the grant

Shares underlying RSUs 18,217 shares Common stock underlying the RSU grant

Total RSUs after grant 18,217 units Total derivative holdings following the reported transaction

Key Terms

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

4 terms

Restricted Stock Units financial

"The reporting person was granted RSUs that settle in 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.

RSU financial

"Each restricted stock unit ("RSU") represents a contingent right"

Restricted stock units (RSUs) are a form of company shares given to employees as part of their compensation, usually with certain restrictions or conditions, such as remaining with the company for a set period. When these restrictions lift, employees receive actual shares that they can sell or hold. For investors, RSUs can impact a company's stock supply and reflect the company's commitment to attracting and retaining talent.

contingent right financial

"represents a contingent right to receive one share of common stock"

annual shareholders meeting financial

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

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.

FAQ

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

What insider transaction did EOSE director Jeff McNeil report?

Jeff McNeil reported receiving 18,217 restricted stock units (RSUs). These RSUs are a form of equity compensation that may convert into common shares if the vesting conditions described in the filing are satisfied.

How many EOSE RSUs were granted to Jeff McNeil in this Form 4?

The Form 4 shows a grant of 18,217 restricted stock units to director Jeff McNeil. Each RSU represents a contingent right to receive one share of Eos Energy Enterprises common stock upon vesting.

When do Jeff McNeil’s EOSE RSUs vest?

The RSUs vest on the earlier of the first anniversary of the grant date or immediately prior to the date of the next annual shareholders meeting. This provides a time-based vesting schedule tied to director service.

What does each EOSE restricted stock unit represent in this grant?

Each restricted stock unit represents a contingent right to receive one share of Eos Energy Enterprises common stock. The units convert into shares only when the vesting conditions described in the Form 4 are met.

Is Jeff McNeil’s EOSE RSU grant a market purchase or sale?

The RSU grant is an equity award, not a market purchase or sale. It reflects compensation granted by the company, with no reported cash price per unit and vesting based on continued service and timing of the next annual meeting.

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

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 06/09/2026 - 04:24 PM EDT

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^*

McNeil Jeff

(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)
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)

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⁾	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 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 Jeff McNeil	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)

Source: View Original Filing on SEC EDGAR