MLTX INVESTOR ALERT: MoonLake Immunotherapeutics Investors with Substantial Losses Have Opportunity to Lead Class Action Lawsuit

Core Viewpoint - The MoonLake class action lawsuit alleges that MoonLake Immunotherapeutics and its executives violated the Securities Exchange Act of 1934, impacting investors who purchased its common stock [1][3]. Company Overview - MoonLake Immunotherapeutics is a clinical-stage biotechnology company focused on developing therapies for inflammatory skin and joint diseases, with its primary drug candidate being sonelokimab (SLK) [3]. Allegations - The lawsuit claims that MoonLake made false or misleading statements regarding SLK's efficacy compared to Union Chimique Belge's BIMZELX, which is an FDA-approved monoclonal antibody for the same condition [4]. - Specific allegations include that SLK and BIMZELX target the same inflammatory cytokines (IL-17A and IL-17F), and that SLK's unique Nanobody structure does not provide superior clinical benefits or efficacy [4]. Stock Performance Impact - Following the announcement of disappointing results from the Phase 3 VELA program on September 28, 2025, which indicated SLK did not demonstrate competitive efficacy against BIMZELX, MoonLake's stock price plummeted nearly 90% [5]. Legal Process - Investors who suffered losses during the class period can seek to become lead plaintiffs in the lawsuit, with a deadline for motions set for December 15, 2025 [2][6]. Law Firm Background - Robbins Geller Rudman & Dowd LLP, the law firm representing the plaintiffs, is recognized as a leading firm in securities fraud and shareholder litigation, having recovered over $2.5 billion for investors in 2024 alone [7].