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NuScale Faces Securities Class Action Over ENTRA1 Disclosures After Cost Shock and Stock Slump

Investors have until April 20, 2026 to seek lead-plaintiff status in the Oregon case.

Overview

  • The lawsuit, Truedson v. NuScale Power Corporation, No. 3:26-cv-00328, was filed in the U.S. District Court for the District of Oregon.
  • The proposed class covers purchasers of NuScale Class A common stock from May 13, 2025 through November 6, 2025.
  • Plaintiffs allege NuScale misled investors about ENTRA1’s experience and its role in commercializing NuScale’s small modular reactor technology.
  • On November 6, 2025, NuScale reported $519 million in G&A expenses including a $495 million payment to ENTRA1, followed by stock drops of about 14.4% that day and 12.4% over November 6–10.
  • The complaint asserts claims under Sections 10(b) and 20(a) of the Exchange Act as multiple law firms solicit investors to move for lead-plaintiff appointment by the deadline.