The Portnoy Law Firm has announced a class action lawsuit on behalf of Ultragenyx Pharmaceutical, Inc. investors who purchased securities between August 3, 2023, and December 26, 2025. The lawsuit alleges that Ultragenyx made misleading statements regarding its drug setrusumab’s effects on Osteogenesis Imperfecta patients and downplayed risks associated with its Phase III Orbit study results. Investors have until April 6, 2026, to file a lead plaintiff motion.
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Portnoy Law Firm Announces Class Action on Behalf of Ultragenyx Pharmaceutical, Inc. Investors
The Portnoy Law Firm has announced a class action lawsuit on behalf of Ultragenyx Pharmaceutical, Inc. investors who purchased securities between August 3, 2023, and December 26, 2025. The lawsuit alleges that Ultragenyx made misleading statements regarding its drug setrusumab’s effects on Osteogenesis Imperfecta patients and downplayed risks associated with its Phase III Orbit study results. Investors have until April 6, 2026, to file a lead plaintiff motion.