SES AI Investors Reminded of Key Legal Deadline in Securities Fraud Class Action

NEW YORK, June 2026 — The Rosen Law Firm, an international law firm focused on investor rights and securities litigation, has issued an important reminder to investors of SES AI Corporation (NYSE: SES) regarding an upcoming deadline in a securities class action lawsuit. Investors who purchased or acquired SES AI securities during the period between January 29, 2025, and March 4, 2026 may be eligible to participate in the legal action and potentially recover investment losses. The deadline for investors seeking to serve as lead plaintiff in the case is June 26, 2026.

Class Action Targets Alleged Misleading Statements

According to court filings, the lawsuit alleges that SES AI Corporation and certain company executives made materially false and misleading statements regarding the company’s business performance, growth prospects, and revenue expectations during the class period.

The complaint claims that investors were provided with information that overstated the potential benefits and expected outcomes of several business agreements involving companies with limited operational capabilities. As a result, shareholders may have received an inaccurate picture of the company’s financial outlook and future growth opportunities.

Key Allegations Against SES AI

The lawsuit outlines several allegations, including:

• SES AI allegedly overstated its business opportunities and future revenue potential.
• The company reportedly created the appearance of revenue through transactions involving purchases and services related to Molecular Universe.
• Material logistics challenges during the fourth quarter of 2025 were allegedly not adequately disclosed to investors.
• These operational issues are claimed to have negatively impacted revenue performance and future growth projections.
• Revenue guidance issued for 2026 was reportedly lower than expected, raising concerns about the accuracy of earlier statements.
• As a result, investors allegedly suffered financial losses when the true circumstances became known to the market.

Who May Be Eligible?

Investors who purchased SES AI securities between January 29, 2025, and March 4, 2026, may qualify to participate in the class action lawsuit. Eligible investors may be able to seek compensation for losses without paying upfront legal fees, as the case is being pursued on a contingency-fee basis.

This means legal fees would generally only be paid if there is a successful recovery on behalf of affected investors.

Important June 26, 2026 Deadline

While investors are not required to become lead plaintiffs to participate in any potential recovery, those interested in taking a leadership role in the litigation must file the necessary motion with the court no later than June 26, 2026.

A lead plaintiff acts on behalf of all members of the proposed class and helps direct the course of the litigation. Investors who choose not to seek lead plaintiff status may still remain members of the class and potentially benefit from any future settlement or judgment if the case is successful.

Rosen Law Firm Highlights Securities Litigation Experience

In its announcement, Rosen Law Firm emphasized its extensive experience representing investors in securities class actions and shareholder litigation matters. The firm stated that it has recovered hundreds of millions of dollars for investors over the years and has served in leadership roles in numerous high-profile securities cases.

The firm encouraged affected investors to carefully evaluate legal representation when considering participation in the lawsuit and to seek counsel with a proven track record in securities litigation.

Current Status of the Case

The lawsuit has already been filed in federal court; however, no class has yet been certified. Until a court certifies the class, investors are not automatically represented by legal counsel unless they formally retain an attorney.

Investors may choose their own legal representation, seek appointment as lead plaintiff, or remain passive class members while monitoring developments in the case.

Potential Impact on Investors

Securities class action lawsuits often focus on whether investors received accurate and complete information when making investment decisions. If the allegations against SES AI are ultimately proven in court, affected shareholders could potentially recover a portion of their investment losses.

It is important to note that the allegations remain claims within ongoing litigation, and the defendants have not been found liable by a court. The legal process will determine whether the allegations have merit and whether damages should be awarded.

Investor Takeaway

SES AI investors who purchased shares during the specified class period should review the details of the litigation and be aware of the June 26, 2026 lead plaintiff deadline. Investors who believe they may have been affected should consider evaluating their legal options before the deadline passes.

Disclaimer: The allegations described in the lawsuit have not been proven in court. All defendants are presumed innocent unless liability is established through the legal process.

Source: Based on information released by The Rosen Law Firm regarding the securities class action involving SES AI Corporation.

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