Eos Energy Enterprises (EOSE) awards 216,731 RSUs to Chief Legal Officer

Rhea-AI Filing Summary

Martin Marie Batz reported acquisition or exercise transactions in this Form 4 filing.

Eos Energy Enterprises, Inc. reported that Chief Legal Officer Martin Marie Batz received a grant of 216,731 restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of common stock. The RSUs were granted at no cash cost and will vest in three installments on each of the first three anniversaries of the grant date, subject to continued service. Following the grant, Batz holds 216,731 RSUs directly.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Martin Marie Batz

Role Chief Legal Officer

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units	216,731	$0.00	--

Holdings After Transaction: Restricted Stock Units — 216,731 shares (Direct)

Footnotes (1)

1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock. The reporting person received a grant of RSUs under the Issuer's 2020 Incentive Plan, which will vest in three installments on each of the first three anniversaries of the grant date, subject to continued service through each vesting date. Not applicable.

Key Figures

RSU grant size: 216,731 units Grant price per RSU: $0.0000 per unit Underlying common shares: 216,731 shares +1 more

4 metrics

RSU grant size 216,731 units Restricted Stock Units granted on 2026-07-13 to the Chief Legal Officer

Grant price per RSU $0.0000 per unit RSU award granted as compensation with no cash paid by the reporting person

Underlying common shares 216,731 shares Each RSU represents a contingent right to receive one share of common stock

Post-grant RSU holdings 216,731 units Total restricted stock units directly held after the reported grant

Key Terms

Restricted Stock Units, 2020 Incentive Plan, vesting, contingent right

4 terms

Restricted Stock Units financial

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

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.

2020 Incentive Plan financial

"The reporting person received a grant of RSUs under the Issuer's 2020 Incentive Plan"

vesting financial

"which will vest in three installments on each of the first three anniversaries"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

contingent right financial

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

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

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Available on EDGAR 07/15/2026 - 04:58 PM Accepted by SEC EDGAR 07/15/2026 - 04:57 PM Learn about SEC filing dates

FAQ

What insider transaction did EOSE report for Martin Marie Batz?

Eos Energy Enterprises (EOSE) reported that Chief Legal Officer Martin Marie Batz received 216,731 restricted stock units (RSUs) as an equity compensation award, each representing a contingent right to receive one share of common stock.

How many RSUs were granted to the EOSE Chief Legal Officer and at what price?

The Chief Legal Officer of EOSE was granted 216,731 RSUs at a stated transaction price of $0.0000 per unit, reflecting a compensation grant rather than an open-market purchase of common stock.

What are the vesting terms of the 216,731 RSUs granted at EOSE?

The 216,731 RSUs granted under EOSE’s 2020 Incentive Plan will vest in three installments on each of the first three anniversaries of the grant date, conditioned on the reporting person’s continued service through each vesting date.

Does the EOSE Form 4 show an open-market buy or sell of shares?

No open-market buy or sell is reported. The Form 4 discloses a grant/award acquisition of restricted stock units as compensation, not a purchase or sale of Eos Energy Enterprises common stock in the market.

What does each RSU granted at EOSE entitle the holder to receive?

Each restricted stock unit granted by EOSE represents a contingent right to receive one share of common stock. Delivery of the underlying shares depends on satisfaction of the vesting conditions described in the award.

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^*

Martin Marie Batz

(Last) (First) (Middle)

C/O EOS ENERGY ENTERPRISES, INC.

TWO ALLEGHENY CENTER, NOVA TOWER 2

(Street)

PITTSBURGH PENNSYLVANIA 15212

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/13/2026

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)	07/13/2026		A		216,731		(2)	(3)	Common Stock	216,731	$0	216,731	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 received a grant of RSUs under the Issuer's 2020 Incentive Plan, which will vest in three installments on each of the first three anniversaries of the grant date, subject to continued service through each vesting date.

3. Not applicable.

Remarks:

	/s/ Marie Martin	07/15/2026
	** 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)