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Multiple Law Firms Seek Lead Plaintiff in Securities Suits Over SES AI Disclosures

Firms are racing to represent investors after the company’s March revenue guidance cut and stock plunge, with a June 26 deadline for lead-plaintiff applications.

Overview

  • Short-seller reporting in December 2025 raised questions about SES AI’s deals and revenue, and the company later disclosed logistics delays that it said pushed revenue and trimmed 2026 guidance.
  • On March 4, 2026 SES disclosed logistics constraints and gave 2026 revenue guidance of $30–$35 million, and the stock fell about 36.8% the next trading day on March 5, 2026.
  • Since May 20–22, 2026 several plaintiffs’ firms have filed near-identical federal securities complaints and are soliciting investors to seek lead-plaintiff status by the June 26, 2026 court deadline.
  • The complaints allege that SES overstated business prospects, used transactions tied to Molecular Universe to create the appearance of revenue, and failed to disclose Q4 2025 shipment delays that affected reported results.
  • No class has been certified and investors are not represented unless they retain counsel; the lead-plaintiff appointment will shape whether the case moves to motions, discovery, settlement talks, or trial.