Rosen Law Firm Urges Eos Energy Enterprises, Inc. (NASDAQ: EOSE) Stockholders to Contact the Firm for Information About Their Rights

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12:30 PM on Monday, March 9

The Associated Press

NEW YORK--(BUSINESS WIRE)--Mar 9, 2026--

Rosen Law Firm, a global investor rights law firm, announces a class action lawsuit on behalf of purchasers of securities of Eos Energy Enterprises, Inc. (NASDAQ: EOSE) between November 5, 2025 and February 26, 2026. Eos Energy describes itself as a company that “designs, manufactures, and markets zinc-based battery energy storage systems intended for utility‑scale commercial and industrial applications.”

For more information, submit a form, email attorney Phillip Kim, or give us a call at 866-767-3653.

The Allegations: Rosen Law Firm is Investigating the Allegations that Eos Energy Enterprises, Inc. (NASDAQ: EOSE) Misled Investors Regarding its Business Operations.

According to the lawsuit, defendants made false and/or misleading statements and/or failed to disclose that: (1) Eos Energy was unable to achieve the ramp in production and capacity utilization required to achieve its previously set guidance; (2) Eos Energy’s battery line downtime was running well above industry norms, the design intent of the line, and internal forecasts; (3) Eos Energy was experiencing delays in the ability for its automated bipolar production to hit quality targets; (4) Eos Energy’s inadequate systems and processes prevented it from ensuring reasonably accurate guidance and that its public disclosures were timely, accurate, and complete; and (5) as a result of the foregoing, defendants’ positive statements about Eos Energy’s business, operations, and prospects were materially misleading and/or lacked a reasonable basis. When the true details entered the market, the lawsuit claims that investors suffered damages.

What Now: You may be eligible to participate in the class action against Eos Energy Enterprises, Inc. Shareholders who want to serve as lead plaintiff for the class must file their motions with the court by May 5, 2026. A lead plaintiff is a representative party who acts on behalf of other class members in directing the litigation. You do not have to participate in the case to be eligible for a recovery. If you choose to take no action, you can remain an absent class member. For more information, click here.

All representation is on a contingency fee basis. Shareholders pay no fees or expenses.

About Rosen Law Firm: Some law firms issuing releases about this matter do not actually litigate securities class actions. Rosen Law Firm does. Rosen Law Firm is a recognized leader in shareholder rights litigation, dedicated to helping shareholders recover losses, improving corporate governance structures, and holding company executives accountable for their wrongdoing. Since its inception, Rosen Law Firm has obtained over $1 billion for shareholders.

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View source version on businesswire.com:https://www.businesswire.com/news/home/20260309657666/en/

CONTACT: Laurence Rosen, Esq.

Phillip Kim, Esq.

The Rosen Law Firm, P.A.

275 Madison Avenue, 40th Floor

New York, NY 10016

Tel: (212) 686-1060

Toll Free: (866) 767-3653

Fax: (212) 202-3827

[email protected]