Ultragenyx Faces Class Action Lawsuit Over Stock Misrepresentation
Written by Emily J. Thompson, Senior Investment Analyst
Updated: 2d ago
0mins
Should l Buy RARE?
Source: PRnewswire
- Class Action Initiation: Robbins Geller law firm announces a class action lawsuit against Ultragenyx Pharmaceutical, representing stock purchasers from August 3, 2023, to December 26, 2025, alleging violations of the Securities Exchange Act by top executives.
- False Statement Allegations: The lawsuit claims that Ultragenyx misled investors by failing to disclose risks associated with the Phase III Orbit study, where patients did not achieve a statistically significant reduction in annualized fracture rates, impacting stock price perception.
- Stock Price Plunge: Following the announcement on July 9, 2025, and December 29, 2025, regarding the failure to achieve statistical significance in study results, Ultragenyx's stock fell over 25% and 42% respectively, indicating a severe loss of investor confidence.
- Investor Rights Protection: Under the Private Securities Litigation Reform Act, any investor who purchased Ultragenyx stock during the class period can seek to be appointed as lead plaintiff, ensuring their rights are represented in the lawsuit.
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Analyst Views on RARE
Wall Street analysts forecast RARE stock price to rise over the next 12 months. According to Wall Street analysts, the average 1-year price target for RARE is 61.65 USD with a low forecast of 35.00 USD and a high forecast of 120.00 USD. However, analyst price targets are subjective and often lag stock prices, so investors should focus on the objective reasons behind analyst rating changes, which better reflect the company's fundamentals.
18 Analyst Rating
17 Buy
1 Hold
0 Sell
Strong Buy
Current: 23.790
Low
35.00
Averages
61.65
High
120.00
Current: 23.790
Low
35.00
Averages
61.65
High
120.00
About RARE
Ultragenyx Pharmaceutical Inc. is a biopharmaceutical company. The Company is focused on the identification, acquisition, development, and commercialization of novel products for the treatment of serious rare and ultrarare genetic diseases. Its therapies and clinical-stage pipeline consist of four product categories: biologics, small molecules, AAV gene therapy, and nucleic acid product candidates. Its four approved product candidates include Crysvita (burosumab) for the treatment of X-linked hypophosphatemia (XLH), and tumor-induced osteomalacia (TIO), Mepsevii (vestronidase alfa) for the treatment of mucopolysaccharidosis VII (MPSVII) or Sly Syndrome, Dojolvi (triheptanoin) for the treatment of long-chain fatty acid oxidation disorders (LC-FAOD), and Evkeeza (evinacumab) for the treatment of homozygous familial hypercholesterolemia (HoFH). Its clinical product candidates include DTX401, DTX301, UX701, UX143, UX111, and GTX-102. UX143 for the treatment of Osteogenesis Imperfecta.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
Ultragenyx Resubmits BLA for Accelerated Approval of UX111 Gene Therapy
- Application Progress: On January 30, Ultragenyx Pharmaceutical resubmitted its Biologics License Application (BLA) to the FDA for accelerated approval of UX111 AAV9 gene therapy for Sanfilippo syndrome type A, with a review expected in Q3; if approved, it will be the first therapy for this condition.
- Market Analyst Support: Morgan Stanley analyst Maxwell Skor maintained a Buy rating on Ultragenyx with a price target of $50, reflecting confidence in the company's growth potential, while Leerink Partners also issued a Buy rating, indicating positive investor sentiment.
- Diverse Product Line: Ultragenyx focuses on therapies for rare and ultra-rare genetic diseases, with products like Crysvita, Mepsevii, Dojolvi, and Evkeeza, showcasing its broad market presence and potential in the biopharmaceutical sector.
- Investment Outlook Assessment: While RARE is viewed as a promising investment, analysts suggest that certain AI stocks may offer greater upside potential and lower downside risk, urging investors to carefully evaluate market dynamics to optimize their portfolios.
See More
Ultragenyx Faces Class Action Lawsuit Over Stock Misrepresentation
- Class Action Initiation: Ultragenyx Pharmaceutical Inc. is facing a class action lawsuit for alleged violations of the Securities Exchange Act during stock transactions from August 3, 2023, to December 26, 2025, with investors required to apply as lead plaintiffs by April 6, 2025, indicating significant legal compliance risks for the company.
- Stock Price Volatility: Following the July 9, 2025, announcement that the Phase III Orbit study failed to achieve statistical significance, Ultragenyx's stock plummeted over 25%, and after the December 29, 2025, revelation of further study failures, the stock fell more than 42%, reflecting extreme market pessimism regarding the company's future.
- Study Result Failures: The lawsuit alleges that Ultragenyx failed to adequately communicate the risks associated with treatment efficacy in its Phase III Orbit study, severely undermining investor confidence in its products and potentially impacting future financing and market trust.
- Severe Legal Consequences: Robbins Geller LLP states that any investor who purchased Ultragenyx stock during the class period can seek lead plaintiff status, which, if successful, would represent all affected investors, highlighting the company's legal liabilities and potential compensation risks.
See More
Class Action Filed Against Ultragenyx Pharmaceutical Inc.
- Lawsuit Background: National plaintiffs' law firm Berger Montague PC has announced a class action lawsuit against Ultragenyx Pharmaceutical Inc. on behalf of investors who purchased stock between August 3, 2023, and December 26, 2025, indicating a significant loss of investor confidence in the company's future prospects.
- Stock Price Plunge: Following the disclosure on December 29, 2025, that Ultragenyx's ORBIT and COSMIC Phase 3 trials failed to meet their primary endpoints, the stock price plummeted over 42%, from $34.19 per share on December 26, 2025, to $19.72 per share, reflecting a pessimistic outlook from the market regarding the company's future.
- Investor Rights: Investors must apply by April 6, 2026, to be appointed as lead plaintiff representatives in the class action, highlighting concerns over corporate governance and information disclosure that may influence future investment decisions.
- Law Firm's Strength: Berger Montague, a leading law firm specializing in complex civil litigation and class actions, has recovered over $50 billion for clients over the past 55 years, showcasing its significant strength and influence in the legal field.
See More
Faruqi & Faruqi Investigates Ultragenyx Securities Claims
- Investigation Launched: Faruq & Faruqi, LLP is investigating potential claims against Ultragenyx Pharmaceutical Inc, particularly for investors who purchased securities between August 3, 2023, and December 26, 2025, aiming to provide legal support for affected investors.
- Legal Rights Reminder: Investors who acquired Ultragenyx securities during the specified period should note the April 6, 2026 deadline to apply for lead plaintiff status in the federal securities class action against the company, ensuring their legal rights are protected.
- Direct Contact Encouraged: Securities Litigation Partner Josh Wilson urges affected investors to contact him directly at 877-247-4292 or 212-983-9330 (Ext. 1310) to discuss available legal options, ensuring timely action is taken.
- Class Action Context: This investigation is linked to an existing federal securities class action against Ultragenyx, indicating investor concerns regarding potential securities fraud by the company, which could negatively impact its reputation and stock price.
See More
Class Action Lawsuit Reminder Against Ultragenyx Pharmaceutical Inc.
- Class Action Notice: DJS Law Group reminds investors of a class action lawsuit against Ultragenyx Pharmaceutical Inc. (NASDAQ:RARE) for violations of §§10(b) and 20(a) of the Securities Exchange Act, covering the trading period from August 3, 2023, to December 26, 2025.
- False Statements Allegation: The complaint alleges that Ultragenyx misled the market by creating overly optimistic expectations regarding its drug candidate's performance in Phase III trials, failing to meet statistically significant endpoints despite its positive communications.
- Investor Losses: Affected shareholders are encouraged to contact DJS Law Group to participate in potential recovery, noting that appointment as lead plaintiff is not required to partake in any compensation, thus broadening participation opportunities for investors.
- Legal Expertise: DJS Law Group specializes in securities class actions and corporate governance litigation, focusing on enhancing investor returns through balanced counseling and aggressive advocacy, demonstrating its commitment to client interests and legal professionalism.
See More
Ultragenyx Pharmaceutical Shareholder Class Action Filed
- Class Action Initiated: Robbins LLP reminds all investors who purchased Ultragenyx Pharmaceutical Inc. (NASDAQ:RARE) stock between August 3, 2023, and December 26, 2025, that a class action has been filed, alleging the company misled investors regarding clinical trial results.
- Study Results Fail: The complaint states that on December 29, 2025, Ultragenyx announced that its Phase III Orbit and Cosmic studies did not achieve statistical significance in reducing fracture rates, causing the stock price to plummet by approximately 42.32% in a single day.
- False Statements Allegations: The lawsuit alleges that Ultragenyx provided overly optimistic statements about setrusumab's efficacy in reducing fracture rates, while the actual results did not support management's claims, misleading investors.
- Shareholder Rights Protection: Robbins LLP offers contingency-based representation, allowing shareholders to participate in the lawsuit without upfront costs, aiming to help investors recover losses and improve corporate governance structures.
See More
Ultragenyx Resubmits BLA for Accelerated Approval of UX111 Gene Therapy
- Application Progress: On January 30, Ultragenyx Pharmaceutical resubmitted its Biologics License Application (BLA) to the FDA for accelerated approval of UX111 AAV9 gene therapy for Sanfilippo syndrome type A, with a review expected in Q3; if approved, it will be the first therapy for this condition.
- Market Analyst Support: Morgan Stanley analyst Maxwell Skor maintained a Buy rating on Ultragenyx with a price target of $50, reflecting confidence in the company's growth potential, while Leerink Partners also issued a Buy rating, indicating positive investor sentiment.
- Diverse Product Line: Ultragenyx focuses on therapies for rare and ultra-rare genetic diseases, with products like Crysvita, Mepsevii, Dojolvi, and Evkeeza, showcasing its broad market presence and potential in the biopharmaceutical sector.
- Investment Outlook Assessment: While RARE is viewed as a promising investment, analysts suggest that certain AI stocks may offer greater upside potential and lower downside risk, urging investors to carefully evaluate market dynamics to optimize their portfolios.
See More
Ultragenyx Faces Class Action Lawsuit Over Stock Misrepresentation
- Class Action Initiation: Ultragenyx Pharmaceutical Inc. is facing a class action lawsuit for alleged violations of the Securities Exchange Act during stock transactions from August 3, 2023, to December 26, 2025, with investors required to apply as lead plaintiffs by April 6, 2025, indicating significant legal compliance risks for the company.
- Stock Price Volatility: Following the July 9, 2025, announcement that the Phase III Orbit study failed to achieve statistical significance, Ultragenyx's stock plummeted over 25%, and after the December 29, 2025, revelation of further study failures, the stock fell more than 42%, reflecting extreme market pessimism regarding the company's future.
- Study Result Failures: The lawsuit alleges that Ultragenyx failed to adequately communicate the risks associated with treatment efficacy in its Phase III Orbit study, severely undermining investor confidence in its products and potentially impacting future financing and market trust.
- Severe Legal Consequences: Robbins Geller LLP states that any investor who purchased Ultragenyx stock during the class period can seek lead plaintiff status, which, if successful, would represent all affected investors, highlighting the company's legal liabilities and potential compensation risks.
See More
Class Action Filed Against Ultragenyx Pharmaceutical Inc.
- Lawsuit Background: National plaintiffs' law firm Berger Montague PC has announced a class action lawsuit against Ultragenyx Pharmaceutical Inc. on behalf of investors who purchased stock between August 3, 2023, and December 26, 2025, indicating a significant loss of investor confidence in the company's future prospects.
- Stock Price Plunge: Following the disclosure on December 29, 2025, that Ultragenyx's ORBIT and COSMIC Phase 3 trials failed to meet their primary endpoints, the stock price plummeted over 42%, from $34.19 per share on December 26, 2025, to $19.72 per share, reflecting a pessimistic outlook from the market regarding the company's future.
- Investor Rights: Investors must apply by April 6, 2026, to be appointed as lead plaintiff representatives in the class action, highlighting concerns over corporate governance and information disclosure that may influence future investment decisions.
- Law Firm's Strength: Berger Montague, a leading law firm specializing in complex civil litigation and class actions, has recovered over $50 billion for clients over the past 55 years, showcasing its significant strength and influence in the legal field.
See More
Faruqi & Faruqi Investigates Ultragenyx Securities Claims
- Investigation Launched: Faruq & Faruqi, LLP is investigating potential claims against Ultragenyx Pharmaceutical Inc, particularly for investors who purchased securities between August 3, 2023, and December 26, 2025, aiming to provide legal support for affected investors.
- Legal Rights Reminder: Investors who acquired Ultragenyx securities during the specified period should note the April 6, 2026 deadline to apply for lead plaintiff status in the federal securities class action against the company, ensuring their legal rights are protected.
- Direct Contact Encouraged: Securities Litigation Partner Josh Wilson urges affected investors to contact him directly at 877-247-4292 or 212-983-9330 (Ext. 1310) to discuss available legal options, ensuring timely action is taken.
- Class Action Context: This investigation is linked to an existing federal securities class action against Ultragenyx, indicating investor concerns regarding potential securities fraud by the company, which could negatively impact its reputation and stock price.
See More
Class Action Lawsuit Reminder Against Ultragenyx Pharmaceutical Inc.
- Class Action Notice: DJS Law Group reminds investors of a class action lawsuit against Ultragenyx Pharmaceutical Inc. (NASDAQ:RARE) for violations of §§10(b) and 20(a) of the Securities Exchange Act, covering the trading period from August 3, 2023, to December 26, 2025.
- False Statements Allegation: The complaint alleges that Ultragenyx misled the market by creating overly optimistic expectations regarding its drug candidate's performance in Phase III trials, failing to meet statistically significant endpoints despite its positive communications.
- Investor Losses: Affected shareholders are encouraged to contact DJS Law Group to participate in potential recovery, noting that appointment as lead plaintiff is not required to partake in any compensation, thus broadening participation opportunities for investors.
- Legal Expertise: DJS Law Group specializes in securities class actions and corporate governance litigation, focusing on enhancing investor returns through balanced counseling and aggressive advocacy, demonstrating its commitment to client interests and legal professionalism.
See More
Ultragenyx Pharmaceutical Shareholder Class Action Filed
- Class Action Initiated: Robbins LLP reminds all investors who purchased Ultragenyx Pharmaceutical Inc. (NASDAQ:RARE) stock between August 3, 2023, and December 26, 2025, that a class action has been filed, alleging the company misled investors regarding clinical trial results.
- Study Results Fail: The complaint states that on December 29, 2025, Ultragenyx announced that its Phase III Orbit and Cosmic studies did not achieve statistical significance in reducing fracture rates, causing the stock price to plummet by approximately 42.32% in a single day.
- False Statements Allegations: The lawsuit alleges that Ultragenyx provided overly optimistic statements about setrusumab's efficacy in reducing fracture rates, while the actual results did not support management's claims, misleading investors.
- Shareholder Rights Protection: Robbins LLP offers contingency-based representation, allowing shareholders to participate in the lawsuit without upfront costs, aiming to help investors recover losses and improve corporate governance structures.
See More
