Ultragenyx Pharmaceutical(US:RARE) Globenewswire·2026-02-08 17:00Core Viewpoint - A class action lawsuit has been filed against Ultragenyx Pharmaceutical Inc. and certain officers for alleged violations of federal securities laws during the Class Period from August 3, 2023, to December 26, 2025 [1][2]. Group 1: Lawsuit Details - The lawsuit seeks to recover damages for investors who purchased Ultragenyx securities during the specified Class Period [2]. - The Complaint alleges that the defendants made false and misleading statements regarding the effects of setrusumab on patients with Osteogenesis Imperfecta and downplayed the risks associated with the Phase III Orbit study [3]. - It is claimed that Ultragenyx's optimism regarding the Phase III study results was unfounded, as the Phase II results lacked a placebo control group, raising concerns about the validity of the reported reduction in annualized fracture rate [3]. Group 2: Next Steps for Investors - Investors affected by the situation have until April 6, 2026, to request to be appointed as lead plaintiff in the class action [4]. - Participation in any recovery does not require serving as lead plaintiff [4]. Group 3: Legal Representation - Bronstein, Gewirtz & Grossman LLC operates on a contingency fee basis, meaning they will only seek reimbursement for expenses and fees if successful in the lawsuit [5]. - The firm has a strong track record, having recovered hundreds of millions of dollars for investors in similar cases [6].