Core Viewpoint - Replimune Group, Inc. is under investigation for potential violations of federal securities laws following a significant decline in its stock price after receiving a Complete Response Letter from the FDA regarding its lead product RP1 [1][3]. Company Summary - Replimune received a Complete Response Letter from the FDA on July 22, 2025, indicating that its IGNYTE trial was not considered adequate for demonstrating the effectiveness of RP1 in combination with nivolumab for advanced melanoma [3]. - Following the FDA's announcement, Replimune's stock price fell by $9.52, or approximately 77.24%, closing at $2.81 per share [3]. Legal Investigation Summary - Kirby McInerney LLP is investigating potential claims against Replimune and its officers for possible violations of federal securities laws and other unlawful business practices [1][4].