secwatch.observer — SEC 8-K summary ====================================== Issuer: Alkermes plc. (ALKS) CIK: 0001520262 Form: 8-K Filed at: 2026-06-15T11:09:44+00:00 Accession: 0001193125-26-270280 Event type: regulatory Sentiment: positive Materiality: 0.60 Item codes: 7.01, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Alkermes announces orphan drug designations for alixorexton in US for IH and EU for narcolepsy -------------------------------------------------------------------------------- - FDA grants orphan drug designation to alixorexton for idiopathic hypersomnia. - European Commission grants orphan drug designation to alixorexton for narcolepsy. - Alixorexton is an oral OX2R agonist in phase 3 for narcolepsy and phase 2 for IH. - ODD provides market exclusivity (7 yrs US, 10 yrs EU) if approved. - Alixorexton previously received FDA Breakthrough Therapy for NT1. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1520262/000119312526270280/0001193125-26-270280-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1520262/000119312526270280/alks-20260615.htm HTML page: https://secwatch.observer/filing/0001193125-26-270280 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer