Ongoing Mereo BioPharma Group plc (MREO) Investigation: Protect Your Rights - Contact Levi & Korsinsky

Core Viewpoint - Mereo BioPharma Group plc is under investigation for potential violations of federal securities laws following disappointing clinical trial results that led to a significant drop in stock price [1][2]. Group 1: Company Performance - On December 29, 2025, Mereo BioPharma announced results from its Phase 3 ORBIT and COSMIC studies for setrusumab (UX143) in Osteogenesis Imperfecta (OI), reporting that neither study achieved its primary efficacy endpoint of reducing the annualized clinical fracture rate compared to placebo [2]. - Following the announcement, Mereo's stock price plummeted over 89%, opening at $0.25 per share [2]. Group 2: Legal Investigation - Levi & Korsinsky has commenced an investigation into Mereo BioPharma Group plc regarding potential violations of federal securities laws, inviting investors who suffered losses to explore recovery options [1][3].