Replimune Shares Plummet Amid Regulatory and Financial Setbacks
15.10.2025 - 12:09:03Regulatory Roadblocks Halt Key Treatment
Replimune Group Inc. finds itself navigating turbulent waters as multiple challenges converge. The biotechnology firm faces substantial headwinds from regulatory authorities while disappointing financial performance and insider transactions further erode investor confidence in the company’s prospects.
The company’s research pipeline suffered a significant blow when the U.S. Food and Drug Administration declined to approve its flagship therapy RP1 for advanced melanoma in July. Regulatory concerns centered around heterogeneity within the study population. The situation failed to improve during a subsequent meeting in September, where no clear pathway toward accelerated approval emerged. This leaves Replimune’s primary developmental asset in limbo, raising fundamental questions about the company’s valuation.
Key regulatory developments:
* FDA rejection of RP1... Read more...


