Kuehn Law Investigates Ultragenyx Executives for Breach of Fiduciary Duties
Written by Emily J. Thompson, Senior Investment Analyst
Updated: 57 minutes ago
0mins
Source: PRnewswire
- Legal Investigation Initiated: Kuehn Law, PLLC is investigating whether certain officers and directors of Ultragenyx Pharmaceutical Inc. breached their fiduciary duties to shareholders, as indicated by a federal securities lawsuit suggesting potential misrepresentation of setrusumab's true potential and associated risks.
- Disclosure Issues: The lawsuit highlights that while setrusumab increases bone density, this increase does not correlate with a decrease in annualized fracture rates, which may mislead investors regarding the drug's efficacy and impact shareholder investment decisions.
- Shareholder Rights Protection: Kuehn Law urges shareholders who purchased RARE stock prior to August 3, 2023, to contact the firm promptly to enforce their rights within a limited timeframe, indicating that the case could significantly affect shareholders' financial interests.
- Legal Cost Commitment: Kuehn Law commits to covering all case costs without charging investors, a policy designed to encourage more shareholders to participate in the lawsuit, thereby ensuring the integrity and fairness of the financial markets.
Trade with 70% Backtested Accuracy
Stop guessing "Should I Buy RARE?" and start using high-conviction signals backed by rigorous historical data.
Sign up today to access powerful investing tools and make smarter, data-driven decisions.
Analyst Views on RARE
Wall Street analysts forecast RARE stock price to rise
18 Analyst Rating
17 Buy
1 Hold
0 Sell
Strong Buy
Current: 22.410
Low
35.00
Averages
61.65
High
120.00
Current: 22.410
Low
35.00
Averages
61.65
High
120.00
About RARE
Ultragenyx Pharmaceutical Inc. is a biopharmaceutical company focused on the identification, acquisition, development, and commercialization of novel products for the treatment of serious rare and ultra-rare genetic diseases. The Company's clinical-stage pipeline consists of four product categories: biologics, small molecules, AAV gene therapy, and nucleic acid product candidates. Its products include Crysvita (burosumab), Mepsevii (vestronidase alfa), Dojolvi (triheptanoin), and Evkeeza (evinacumab). Crysvita is used for the treatment of X-linked hypophosphatemia, or XLH, in adult and pediatric patients one year of age and older. Mepsevii is used for the treatment of children and adults with mucopolysaccharidosis VII, or MPS VII, also known as Sly syndrome. Dojolvi is used for the treatment of pediatric and adult patients severely affected by long-chain fatty acid oxidation disorders, or LC-FAOD. Evkeeza is used for the treatment of homozygous familial hypercholesterolemia, or HoFH.
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.
- Legal Investigation Initiated: Kuehn Law, PLLC is investigating whether certain officers and directors of Ultragenyx Pharmaceutical Inc. breached their fiduciary duties to shareholders, as indicated by a federal securities lawsuit suggesting potential misrepresentation of setrusumab's true potential and associated risks.
- Disclosure Issues: The lawsuit highlights that while setrusumab increases bone density, this increase does not correlate with a decrease in annualized fracture rates, which may mislead investors regarding the drug's efficacy and impact shareholder investment decisions.
- Shareholder Rights Protection: Kuehn Law urges shareholders who purchased RARE stock prior to August 3, 2023, to contact the firm promptly to enforce their rights within a limited timeframe, indicating that the case could significantly affect shareholders' financial interests.
- Legal Cost Commitment: Kuehn Law commits to covering all case costs without charging investors, a policy designed to encourage more shareholders to participate in the lawsuit, thereby ensuring the integrity and fairness of the financial markets.
See More
- Legal Investigation Launched: Kuehn Law, PLLC is investigating whether certain executives at Ultragenyx Pharmaceutical Inc. breached their fiduciary duties to shareholders, as indicated by a federal securities lawsuit alleging failure to disclose the true risks associated with setrusumab study protocols.
- Disclosure Issues: The lawsuit highlights that while setrusumab increases bone density, this increase does not correlate with a decrease in annualized fracture rates, potentially misleading investors about the drug's true potential.
- Shareholder Rights Protection: Kuehn Law urges shareholders who purchased RARE stock prior to August 3, 2023, to contact them promptly to enforce their rights within a limited timeframe, indicating the urgency of legal action.
- Importance of Investor Participation: The law firm emphasizes that shareholder voices are crucial for maintaining the integrity and fairness of financial markets, calling on investors to actively participate to protect their investment interests.
See More
- Executive Participation: Ultragenyx Pharmaceutical's CEO, Dr. Emil Kakkis, will participate in a fireside chat at the Goldman Sachs 47th Annual Global Healthcare Conference on June 9, 2026, showcasing the company's leadership in rare disease treatment.
- Webcast Availability: The live and archived webcast of the panel will be accessible via Ultragenyx's website, ensuring that investors and the public can stay updated on the company's latest developments, thereby enhancing transparency and investor confidence.
- Focus on Rare Diseases: Ultragenyx is committed to developing innovative therapies for serious rare and ultra-rare genetic diseases, boasting a diverse portfolio of approved treatments that address high unmet medical needs, demonstrating significant market potential.
- Efficient Drug Development Strategy: The company's management team has extensive experience in the development and commercialization of rare disease therapeutics, with Ultragenyx's strategy aimed at achieving time- and cost-efficient drug development to deliver safe and effective therapies to patients as quickly as possible.
See More
- Legal Investigation Launched: Kuehn Law, PLLC is investigating whether certain executives at Ultragenyx Pharmaceutical Inc. breached their fiduciary duties to shareholders, as indicated by a federal securities lawsuit that suggests insiders may have failed to disclose risks associated with setrusumab, potentially harming shareholder interests.
- Disclosure Issues: The lawsuit highlights that while setrusumab increases bone density, this increase does not correlate with a decrease in annualized fracture rates, suggesting that the lack of this critical information may have misled investors and impacted the company's stock performance.
- Shareholder Rights Protection: Kuehn Law urges shareholders who purchased RARE stock before August 3, 2023, to contact the firm promptly to protect their rights, indicating the firm's commitment to safeguarding shareholder interests and the necessity of legal support in such matters.
- Importance of Participation: Kuehn Law emphasizes that shareholder involvement is crucial for maintaining the integrity and fairness of financial markets, encouraging investors to engage actively to ensure the safety of their investments and future benefits.
See More
- Share Acquisition: Krensavage Asset Management disclosed the purchase of 241,245 shares of Ultragenyx Pharmaceutical in Q1 2026, valued at approximately $5.43 million, indicating a long-term confidence in the company's prospects.
- Increased Stake: Following this acquisition, Ultragenyx now represents 3.2% of Krensavage's 13F assets, highlighting its growing significance within the investment portfolio.
- Financial Performance: Ultragenyx reported a 20% revenue increase in 2025 to $673 million, with expectations for further growth in 2026 to between $730 million and $760 million, reflecting the ongoing expansion of its commercial operations.
- Strategic Restructuring: The company is implementing a 10% workforce reduction and plans to significantly cut R&D spending to improve its financial profile, aiming for profitability by 2027, which suggests management's positive outlook on future developments.
See More
- Stake Increase: Krensavage Asset Management acquired 241,245 shares of Ultragenyx Pharmaceutical in Q1, valued at approximately $5.43 million, indicating confidence in the company's long-term prospects.
- Quarter-End Holdings: By the end of the quarter, Krensavage's total holdings reached 390,879 shares worth $8.19 million, reflecting a $4.75 million increase due to trading activity and price changes, showcasing positive market sentiment.
- Revenue Growth: Ultragenyx reported a 20% revenue increase in 2025 to $673 million, driven by Crysvita's $481 million revenue, with expectations for further growth in 2026 to between $730 million and $760 million, highlighting the sustainability of its business model.
- Strategic Restructuring: The company announced a 10% workforce reduction and anticipates significant decreases in R&D spending by 2027, reaffirming its goal of achieving profitability by 2027, which indicates a focused effort towards financial health.
See More










