RARE Investors: Kessler Topaz Meltzer & Check, LLP Reminds Investors of April 6, 2026 Deadline in Securities Fraud Class Action Lawsuit Filed Against Ultragenyx Pharmaceutical Inc.

Core Viewpoint - A securities fraud class action lawsuit has been filed against Ultragenyx Pharmaceutical Inc. for alleged material misstatements regarding its drug setrusumab, with a deadline for investors to seek lead plaintiff status set for April 6, 2026 [1] Group 1: Lawsuit Details - The lawsuit is filed on behalf of investors who purchased Ultragenyx common stock between August 3, 2023, and December 26, 2025 [1] - The complaint alleges that Ultragenyx misrepresented the reliability of information regarding setrusumab's effects on Osteogenesis Imperfecta patients and downplayed risks associated with its Phase III Orbit study [1] - Defendants are accused of making misleading statements about the company's business and prospects, lacking a reasonable basis for their optimism [1] Group 2: Investor Actions - Investors are encouraged to contact Kessler Topaz Meltzer & Check, LLP for a free case evaluation and to consider filing for lead plaintiff status by the April 6, 2026 deadline [1] - Options for investors include retaining counsel or taking no action, with the ability to remain an absent class member [1] - The lead plaintiff will represent all class members and is typically the investor with the largest financial interest [1]