What's Happening?
The Rosen Law Firm has announced a class action lawsuit on behalf of investors who purchased American Depositary Shares (ADS) of Mereo BioPharma Group plc between June 5, 2023, and December 26, 2025. The lawsuit alleges that Mereo BioPharma provided misleading information regarding the results of their Phase 3 Orbit and COSMIC studies for the drug setrusumab, intended to treat Osteogenesis Imperfecta. The firm claims that the company made positive statements about the drug's potential to reduce fracture rates, while concealing adverse facts about the studies' outcomes. Investors who purchased shares during this period may have done so at inflated prices due to these misleading statements. The deadline to move the court to serve as lead plaintiff
is April 6, 2026.
Why It's Important?
This lawsuit is significant as it highlights the potential financial impact on investors who may have been misled by the company's statements. If the allegations are proven, it could result in substantial financial compensation for affected investors. The case underscores the importance of transparency and accuracy in corporate communications, particularly in the pharmaceutical industry where clinical trial results can significantly influence stock prices. The outcome of this lawsuit could also affect Mereo BioPharma's reputation and financial standing, potentially influencing its future operations and investor relations.
What's Next?
Investors interested in joining the class action must decide whether to serve as lead plaintiff by the April 6, 2026 deadline. The court will then determine whether to certify the class, which will allow the lawsuit to proceed. If the class is certified, the case will move forward with the lead plaintiff representing the interests of all class members. The Rosen Law Firm encourages investors to seek qualified legal counsel to ensure their rights are protected throughout the litigation process.













