LOS ANGELES, Feb. 12, 2026 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises Ultragenyx Pharmaceutical, Inc., (“Ultragenyx” or the "Company") (NASDAQ: RARE) investors of a class action on behalf of investors that bought securities between August 3, 2023 and December 26, 2025, inclusive (the “Class Period”). Ultragenyx investors have until April 6, 2026 to file a lead plaintiff motion. Investors are encouraged to contact attorney Lesley F. Portnoy, by phone 844-767-8529 or email: lesley@portnoylaw.com, to dis ...

Corporate Presentation February 2026 Confidential and Proprietary Forward looking statements Cautionary note regarding forward-looking statements: This presentation contains forward-looking statements, including, but not limited to, statements regarding our expectations, estimates, assumptions, and projections regarding our future operating results and financial performance, including our expectations for profitability in 2027, anticipated cost or expense management, including the company's expectations rel ...

Core Viewpoint - A class action lawsuit has been filed against Ultragenyx Pharmaceutical Inc. for securities fraud, alleging that the company misled investors regarding the efficacy of its drug setrusumab in clinical trials [1] Group 1: Lawsuit Details - The lawsuit covers purchasers of Ultragenyx common stock from August 3, 2023, to December 26, 2025, and claims that the company provided misleading information about the expected results of its Phase III Orbit and Cosmic Studies [1] - Defendants allegedly made positive statements about setrusumab's ability to reduce annualized fracture rates in Osteogenesis Imperfecta patients while concealing material adverse facts about the drug's true potential [1] - The lawsuit asserts that these misleading statements led to Ultragenyx securities being purchased at artificially inflated prices, resulting in investor damages when the truth was revealed [1] Group 2: Legal Representation - Investors wishing to join the class action can do so without any out-of-pocket fees through a contingency fee arrangement [1] - The Rosen Law Firm, known for its success in securities class actions, is representing the investors and encourages selecting qualified counsel with a proven track record [1] - The firm has achieved significant settlements in the past, including over $438 million for investors in 2019 alone [1]

Core Viewpoint - A securities fraud class action lawsuit has been filed against Ultragenyx Pharmaceutical Inc. for allegedly making false and misleading statements regarding its drug setrusumab during the class period from August 3, 2023, to December 26, 2025 [2][5]. Summary by Relevant Sections Lawsuit Details - The lawsuit is filed in the United States District Court for the Northern District of California, under the case name Bailey v. Ultragenyx Pharmaceutical Inc., et al, Case No. 3:26-cv-01097 [2]. - Investors have until April 6, 2026, to file for lead plaintiff status [2][5]. Allegations - The complaint alleges that Ultragenyx misrepresented its knowledge about 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 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 (AFR) [3]. - The lawsuit asserts that the positive statements made by the company regarding its business and prospects were materially misleading [3]. Investor Actions - Investors affected by the alleged fraud are encouraged to contact Kessler Topaz Meltzer & Check, LLP for recovery options at no cost [5][6]. - The lead plaintiff process allows investors to seek representation in the lawsuit, with the deadline set for April 6, 2026 [4][6]. Law Firm Information - Kessler Topaz Meltzer & Check, LLP is a prominent law firm specializing in securities-fraud class actions and has a history of significant recoveries in securities litigation [8].

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Core Viewpoint - Ultragenyx Pharmaceutical Inc is facing a federal securities class action due to allegations of making false or misleading statements regarding the efficacy of its drug setrusumab for Osteogenesis Imperfecta, leading to significant stock price declines following study failures [1][2] Summary by Relevant Sections Company Overview - Ultragenyx Pharmaceutical Inc (NASDAQ: RARE) is under investigation by Faruqi & Faruqi, LLP for potential securities law violations related to its clinical trials [1] Allegations - The complaint alleges that Ultragenyx and its executives misrepresented the reliability of information regarding setrusumab's effects and downplayed risks associated with the Phase III Orbit study [1] - It is claimed that Ultragenyx failed to disclose that the Phase II results lacked a placebo control group, which could have influenced the perceived efficacy of the treatment [1] Stock Performance - Following the announcement on July 9, 2025, that the Phase III Orbit study did not achieve statistical significance, Ultragenyx's stock price fell by over 25% [1] - On December 29, 2025, after revealing that both the Phase III Orbit and Cosmic studies failed to meet primary endpoints, the stock price dropped by more than 42% [2] Legal Proceedings - The deadline for investors to seek the role of lead plaintiff in the class action is April 6, 2026 [1] - Any member of the putative class can move to serve as lead plaintiff or remain an absent class member without affecting their ability to share in any recovery [2]

Core Viewpoint - A class action lawsuit has been filed against Ultragenyx Pharmaceutical Inc. for alleged securities fraud affecting investors between August 3, 2023, and December 26, 2025 [1] Group 1: Lawsuit Details - The lawsuit claims that Ultragenyx made misleading statements regarding the efficacy of setrusumab, particularly that while it increases bone density, it does not correlate with a decrease in annualized fracture rates [1] - On December 29, 2025, Ultragenyx announced that its Phase III Orbit and Cosmic Studies did not achieve statistical significance in reducing annualized clinical fracture rates compared to placebo or bisphosphonates [1] - Following the announcement, Ultragenyx's stock price plummeted from $34.19 per share on December 26, 2025, to $19.72 per share on December 29, 2025, marking a decline of approximately 42.32% in just one day [1] Group 2: Investor Information - Investors who suffered losses during the relevant time frame have until April 6, 2026, to request to be appointed as lead plaintiff in the lawsuit [1] - Class members may be entitled to compensation without any out-of-pocket costs or fees [1] - Levi & Korsinsky has a strong track record in securities litigation, having secured hundreds of millions of dollars for shareholders over the past 20 years [1]

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]

Core Viewpoint - A class action lawsuit has been filed against Ultragenyx Pharmaceutical Inc. on behalf of investors who purchased its common stock during the specified class period, alleging misleading statements regarding clinical trial results [1][3]. Group 1: Lawsuit Details - The lawsuit is initiated by Berger Montague PC, representing investors who bought Ultragenyx shares from August 3, 2023, to December 26, 2025 [1][2]. - Investors have until April 6, 2026, to seek appointment as lead plaintiff representative of the class [2]. Group 2: Allegations - The complaint claims that Ultragenyx misled investors by raising expectations about the ORBIT and COSMIC studies, which tested setrusumab for Osteogenesis Imperfecta, while concealing that neither study significantly reduced clinical fracture rates compared to control groups [3]. - Following the disclosure of the study results, Ultragenyx's share price fell from $34.19 on December 26, 2025, to $19.72 on December 29, 2025, representing a decline of over 42% in a single day [3]. Group 3: Company Overview - Ultragenyx Pharmaceutical Inc. is a biopharmaceutical company based in Novato, California, focusing on treatments for rare diseases [2].

Core View - Ultragenyx Pharmaceutical Inc. is facing a class action lawsuit due to alleged violations of the Securities Exchange Act of 1934, with claims of misleading statements regarding the efficacy of its drug setrusumab for Osteogenesis Imperfecta [1][1][1] Class Action Details - The class period for the lawsuit is from August 3, 2023, to December 26, 2025, and investors have until April 6, 2025, to seek appointment as lead plaintiff [1][1] - The lawsuit alleges that Ultragenyx misrepresented the reliability of data from its Phase III Orbit study, which failed to show a statistically significant reduction in annualized fracture rate [1][1] - On July 9, 2025, Ultragenyx disclosed that the Phase III Orbit study did not achieve statistical significance, leading to a stock price drop of over 25% [1][1] - Further, on December 29, 2025, the company announced that both the Phase III Orbit and Cosmic studies did not meet primary endpoints, resulting in a stock price decline of more than 42% [1][1] Legal Process - The Private Securities Litigation Reform Act of 1995 allows any investor who purchased Ultragenyx common stock during the class period to seek lead plaintiff status, representing the interests of all class members [1][1] - The lead plaintiff can choose a law firm to litigate the case, and participation in any potential recovery does not depend on being the lead plaintiff [1][1] About Robbins Geller - Robbins Geller Rudman & Dowd LLP is a prominent law firm specializing in securities fraud and shareholder rights litigation, having recovered over $916 million for investors in 2025 alone [1][1] - The firm has a strong track record, recovering $8.4 billion for investors over the past five years, including the largest securities class action recovery in history [1][1]