MoonLake Immunotherapeutics' (MLTX) Reported Phase 3 Trial Data for Sole Drug Candidate, 90% Stock Crash Triggers Investor Suit -- Hagens Berman

SAN FRANCISCO, Nov. 21, 2025 (GLOBE NEWSWIRE) -- MoonLake Immunotherapeutics (NASDAQ: MLTX), a clinical-stage biotechnology company, has been hit with a securities fraud class action lawsuit after its share price plummeted nearly 90% in a single day. The sharp decline was triggered by the release of disappointing Phase 3 trial results for its lead and only drug candidate, sonelokimab (SLK). Global plaintiffs’ rights firm Hagens Berman is actively investigating the alleged claims. The firm urges investors in ...