A class action securities lawsuit has been filed against Ultragenyx Pharmaceutical Inc. on behalf of investors who bought shares between Aug. 3, 2023 and Dec. 26, 2025. The complaint alleges the company made misleading statements about the prospects and risks of its setrusumab Phase III Orbit and Cosmic studies; after Ultragenyx said the trials did not meet their primary endpoints, the stock fell about 42% on Dec. 29, 2025. Investors seeking to be appointed lead plaintiff must move by April 6, 2026.
Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Ultragenyx Pharmaceutical Inc. published the original content used to generate this news brief via GlobeNewswire (Ref. ID: 202602191600PRIMZONEFULLFEED9657847) on February 19, 2026, and is solely responsible for the information contained therein.