EOS Energy insider plans Rule 144 stock sale

EOS Energy Enterprises (EOSE) has a planned sale of common stock under Rule 144.

Rhea-AI Filing Summary

EOS Energy Enterprises (EOSE) has a planned sale of common stock under Rule 144. A brokerage account at UBS Financial Services is listed in connection with 110,417 common shares of EOSE to be sold on NASDAQ with an indicated value of $378,730.31. These shares are tied to RSU vesting dated 07/25/2026 and identified as issued by the company.

The filing also lists EOSE insider Nathan Kroeker as having sold common shares in the last three months: 35,289 shares for $206,673.56 on 06/30/2026 and 79,309 shares for $371,324.74 on 07/07/2026. These amounts provide recent trading history relevant to the new planned sale.

Key Figures

Planned shares to be sold: 110,417 shares Indicated value of planned sale: $378,730.31 RSU vesting date: 07/25/2026 +4 more

7 metrics

Planned shares to be sold 110,417 shares Common stock to be sold through UBS Financial Services on NASDAQ

Indicated value of planned sale $378,730.31 Total value associated with 110,417 common shares to be sold

RSU vesting date 07/25/2026 Vesting date linked to the common shares to be sold

Shares sold on 06/30/2026 35,289 shares Common stock sold by Nathan Kroeker on 06/30/2026

Proceeds on 06/30/2026 $206,673.56 Value of 35,289 shares sold on 06/30/2026

Shares sold on 07/07/2026 79,309 shares Common stock sold by Nathan Kroeker on 07/07/2026

Proceeds on 07/07/2026 $371,324.74 Value of 79,309 shares sold on 07/07/2026

Key Terms

RSU Vesting, Securities To Be Sold, Securities Sold During The Past 3 Months

3 terms

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.

Securities To Be Sold financial

"144: Securities To Be Sold"

Securities Sold During The Past 3 Months financial

"144: Securities Sold During The Past 3 Months"

FAQ

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

What stock sale is being planned in the EOSE Rule 144 filing?

The filing reports a planned sale of 110,417 common shares of EOSE through UBS Financial Services on NASDAQ, with an indicated value of $378,730.31, tied to RSU vesting on 07/25/2026.

Who is the insider involved in recent EOSE stock transactions?

The filing names Nathan Kroeker in connection with recent EOSE common stock sales, providing his address and transaction details for June 30, 2026 and July 7, 2026 as part of the Rule 144 disclosure.

How many EOSE shares has Nathan Kroeker sold recently?

According to the filing, Nathan Kroeker sold 35,289 EOSE common shares on 06/30/2026 and 79,309 shares on 07/07/2026, for total reported proceeds of $206,673.56 and $371,324.74, respectively.

What is the value of the EOSE shares planned for sale under Rule 144?

The planned Rule 144 sale covers 110,417 EOSE common shares with an indicated total value of $378,730.31. This value reflects the information provided alongside the listing for trading on NASDAQ through UBS Financial Services.

What is the origin of the EOSE shares to be sold in this filing?

The shares planned for sale are linked to RSU Vesting on 07/25/2026 and are shown as issued by the issuer itself. This indicates the sale relates to vested restricted stock units that became common shares.

Which brokerage and exchange are associated with the EOSE planned share sale?

The Rule 144 information lists UBS Financial Services Inc. at 11 Madison Avenue, New York, as the brokerage, and identifies NASDAQ as the exchange where the 110,417 EOSE common shares are expected to be sold.

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

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Available on EDGAR 07/28/2026 - 04:04 PM Accepted by SEC EDGAR 07/28/2026 - 04:03 PM 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	0001613718
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	Kroeker Nathan
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	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 Avenue 4th Floor New York NY 10010	110417	378730.31	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			110417	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
Nathan Kroeker TWO ALLEGHENY CENTER NOVA TOWER 2 PITTSBURGH PA 15212	Common	06/30/2026	35289	206673.56
Nathan Kroeker TWO ALLEGHENY CENTER NOVA TOWER 2 PITTSBURGH PA 15212	Common	07/07/2026	79309	371324.74

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 Nathan Kroeker
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)