secwatch.observer — SEC 8-K summary ====================================== Issuer: MoonLake Immunotherapeutics (MLTX) CIK: 0001821586 Form: 8-K Filed at: 2026-09-30T20:15:18+00:00 Accession: 0001213900-26-105240 Event type: regulatory Sentiment: positive Materiality: 0.65 Item codes: 8.01 LLM model: deepseek-v4.1-flash:cloud@v2 MoonLake files FDA BLA for sonelokimab in hidradenitis suppurativa ------------------------------------------------------------------ - BLA submitted September 30, 2026 seeking approval of tri-specific nanobody sonelokimab for moderate-to-severe hidradenitis suppurativa in adults and pediatric patients 12 and older. - MoonLake expects FDA notice on whether the BLA is accepted for review within roughly 60 days of submission, and the planned review timeline within roughly 74 days. - Filing discloses no efficacy, safety, pricing or financial data; the 8-K reports only the regulatory submission milestone. - Risks cited include limited operating history, difficulty enrolling patients in clinical trials, and reliance on third parties for trials; signed by CFO Matthias Bodenstedt. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1821586/000121390026105240/0001213900-26-105240-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1821586/000121390026105240/ea0307097-8k_moonlake.htm HTML page: https://secwatch.observer/filing/0001213900-26-105240 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer