Eos Class Action Lawsuit Overview
The class action lawsuit asserts securities fraud claims under Sections 10(b) and 20(a) of the Securities Exchange Act of 1934 on behalf of investors in Eos securities. The class action is pending in the U.S. District Court for the District of New Jersey. It is captioned Yung v. Eos Energy Enterprises, Inc., et al., 2:26-cv-02372.
If you lost money on your Eos investment, you are encouraged to submit your information using the form on this page. You may also email adam@bfalaw.com or call 212.789.3619.
Why Is Eos being Sued for Securities Fraud?
Eos Energy manufactures zinc-based long-duration battery energy storage systems used to store renewable power and support grid reliability.
Throughout the relevant period, Eos repeatedly touted manufacturing progress driven by a transition to a highly automated battery manufacturing line and issued revenue guidance of $150 million to $160 million for fiscal year 2025.
As alleged, these statements were materially false and misleading because Eos was experiencing significant production inefficiencies, excessive battery line downtime, and delays in achieving quality targets, which undermined its ability to meet its stated guidance.
Why did Eos’s Stock Drop?
On February 26, 2026, Eos reported a substantial net loss of approximately $970 million for fiscal year 2025 and disclosed full year 2025 revenue that fell short of the guidance the company had repeatedly reaffirmed, including as recently as November 2025. At the same time, Eos issued weaker than expected 2026 revenue guidance. Eos attributed its 2025 results to heavy spending to scale its manufacturing operations, including ramp up inefficiencies, automation related costs, and large non cash financing and asset write down charges. Eos attributed the disappointing 2026 revenue forecast to slower than anticipated production progress and heightened execution risk.
On this news, the price of Eos stock dropped $4.39 per share, or approximately 39.4%, to close at $6.74 on unusually heavy trading volume.
What is the Eos Leadership Deadline?
You may ask the Court no later than May 5, 2026, to appoint you as Lead Plaintiff through counsel of your choice.
To be a member of the Class, you need not take any action at this time. The ability to share in any potential future recovery is not dependent on serving as Lead Plaintiff.
How Do I Submit My Information?
If you lost money when Eos securities dropped in price, you are encouraged to submit your information using the form on this page to speak with an attorney about your rights.
You can also contact:
Adam McCall
amccall@bfalaw.com
212.789.3619
All representation is on a contingency fee basis; there is no cost to you. Shareholders are not responsible for any court costs or expenses of any class action lawsuit. The firm will seek court approval for any potential fees and expenses.
Why Bleichmar Fonti & Auld LLP?
BFA is a leading international law firm representing plaintiffs in securities class actions and shareholder litigation. It has been named a top plaintiff law firm by Chambers USA, The Legal 500, and ISS SCAS.
BFA attorneys have been named “Elite Trial Lawyers” by the National Law Journal, “Litigation Stars” by Benchmark Litigation, among the top “500 Leading Plaintiff Financial Lawyers” by Lawdragon, “Titans of the Plaintiffs’ Bar” by Law360, and “SuperLawyers” by Thomson Reuters.
BFA’s notable successes include a recovery of over $900 million in value from Tesla, Inc.'s Board of Directors, as well as $420 million from Teva Pharmaceutical Ind. Ltd.
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