ROSEN, LEADING TRIAL ATTORNEYS, Encourages Ultragenyx Pharmaceutical Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action - RARE

Core Viewpoint - A class action lawsuit has been filed against Ultragenyx Pharmaceutical Inc. for alleged misleading statements regarding the efficacy of its drug setrusumab, impacting investors who purchased stock between August 3, 2023, and December 26, 2025 [1][5]. Group 1: Lawsuit Details - The lawsuit claims that Ultragenyx made false statements about setrusumab's ability to increase bone density and its correlation with reduced fracture rates, which were misrepresented to investors [5]. - Investors are encouraged to join the class action without incurring out-of-pocket fees through a contingency fee arrangement [2]. Group 2: Participation Information - Interested investors can join the class action by visiting the provided link or contacting the law firm directly [3][6]. - A lead plaintiff must be appointed by April 6, 2026, to represent the class in the litigation [1][3]. Group 3: Law Firm Credentials - The Rosen Law Firm has a strong track record in securities class actions, having secured significant settlements for investors, including over $438 million in 2019 [4]. - The firm has been recognized for its success in securities class action settlements, ranking highly in the industry since 2013 [4].