Eos Energy holder plans sale of 72,917 shares

Eos Energy Enterprises, Inc. shareholder Michael Silberman filed a notice of proposed sale of common stock.

Rhea-AI Filing Summary

Eos Energy Enterprises, Inc. shareholder Michael Silberman filed a notice of proposed sale of common stock. The filing lists 72,917 shares of common stock underlying an RSU vesting event dated 07/25/2026, with a planned sale through UBS Financial Services on or after 07/28/2026 on NASDAQ, reflecting an aggregate value of $250,105.31. The notice also records a prior sale within the last three months of 14,998 shares of common stock on 06/30/2026 for proceeds of $88,000.76.

Key Figures

Planned shares to be sold: 72,917 shares Aggregate value of planned sale: $250,105.31 Prior shares sold: 14,998 shares +2 more

5 metrics

Planned shares to be sold 72,917 shares Common stock related to RSU vesting dated 07/25/2026

Aggregate value of planned sale $250,105.31 Value associated with 72,917 shares of common stock

Prior shares sold 14,998 shares Common stock sold on 06/30/2026 during past three months

Proceeds from prior sale $88,000.76 Total proceeds for 14,998 shares sold on 06/30/2026

Planned sale date 07/28/2026 Date associated with proposed NASDAQ sale via UBS Financial Services

Key Terms

Form 144, RSU Vesting, restricted stock unit, aggregate value

4 terms

Form 144 regulatory

"144: Filer Information | | | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

RSU Vesting financial

"Common | 07/25/2026 | RSU Vesting | Issuer |"

RSU vesting is the process by which restricted stock units — a promise by a company to give shares to an employee — become actual, owned shares over time or when certain goals are met. Investors care because vested shares can dilute existing ownership when issued, and the timing of vesting affects when employees can sell shares, which can influence share supply, insider selling patterns, and company incentives.

restricted stock unit financial

"These shares are tied to a restricted stock unit (RSU) vesting event"

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

aggregate value financial

"reflecting an aggregate value of $250,105.31"

FAQ

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

What does the Form 144 filing by EOSE shareholder Michael Silberman disclose?

The filing discloses a proposed sale of 72,917 shares of Eos Energy common stock related to RSU vesting, with an indicated value of $250,105.31 and a planned sale date on or after 07/28/2026.

How many EOSE shares are planned to be sold under this Form 144?

The Form 144 indicates a proposed sale of 72,917 common shares of Eos Energy Enterprises, Inc. These shares are tied to a restricted stock unit (RSU) vesting event dated 07/25/2026.

What prior EOSE share sales are reported in the last three months?

The notice reports a prior sale of 14,998 shares of Eos Energy common stock on 06/30/2026, with total proceeds of $88,000.76, as part of the three-month transaction history disclosure.

Which broker and market are involved in the planned EOSE share sale?

The proposed sale of 72,917 EOSE shares is listed through UBS Financial Services, Inc., with trading expected on the NASDAQ market, as stated in the Form 144 securities information section.

What is the relationship between the RSU vesting and the planned EOSE stock sale?

The 72,917 shares planned for sale correspond to an RSU vesting event dated 07/25/2026. The Form 144 links the securities to be sold directly to this vesting event by the issuer.

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

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Accepted by SEC EDGAR 07/28/2026 - 04:07 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001813990
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Eos Energy Enterprises, Inc.
SEC File Number	001-39291
Address of Issuer	TWO ALLEGHENY CENTER NOVA TOWER 2 PITTSBURGH PENNSYLVANIA 15212
Phone	(732) 225-8400
Name of Person for Whose Account the Securities are To Be Sold	Silberman Michael W
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Former Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	UBS Financial Services, Inc. 11 Madison Ave 4th Floor New York NY 10010	72917	250105.31	339514027	07/28/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	07/25/2026	RSU Vesting	Issuer			72917	07/25/2026	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Michael Silberman TWO ALLEGHENY CENTER NOVA TOWER 2 PITTSBURGH PA 15212	Common	06/30/2026	14998	88000.76

144: Remarks and Signature

Remarks	The shares reported on this Form 144 will be sold pursuant to a Rule 10b5-1 trading plan adopted by the reporting person to cover estimated tax withholding obligations from the vesting of restricted stock units.
Date of Notice	07/28/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	09/15/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ UBS Financial Services Inc, as attorney-in-fact for Michael W Silberman
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)