{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-23-069042","form_type":"8-K","ticker":"ALKS","cik":"0001520262","company_name":"Alkermes plc.","filed_at":"2023-12-08T23:59:59+00:00","discovered_at":"2026-05-14T18:03:29.350753+00:00","generated_at":"2026-06-07T15:33:38.178098+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Director Nancy J. Wysenski retires from Alkermes board; Board size reduced to 10","bullets":["Nancy J. Wysenski notified retirement on Dec 4, 2023, effective Dec 8, 2023, after 10 years of service.","Board decreased size from 11 to 10 directors effective Dec 8, 2023.","Frank Anders Wilson appointed as Lead Independent Director, effective Dec 8, 2023."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-23-069042","json":"https://secwatch.observer/filing/0000950170-23-069042.json","markdown":"https://secwatch.observer/filing/0000950170-23-069042.md","text":"https://secwatch.observer/filing/0000950170-23-069042.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1520262/000095017023069042/0000950170-23-069042-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1520262/000095017023069042/alks-20231204.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-07T15:33:38.178098+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"1e1da4a156","claim":"Frank Anders Wilson was appointed as Lead Independent Director at Alkermes plc..","evidence_excerpt":"appointed Frank Anders Wilson as the Lead Independent Director of the Board, in each case effective as of December 8, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1520262/000095017023069042/0000950170-23-069042-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Lead Independent Director"}],"fact_type":"executive_change"},{"claim_id":"29c9284e45","claim":"Nancy J. Wysenski retired as director at Alkermes plc..","evidence_excerpt":"On December 4, 2023, following ten years of service, Nancy J. Wysenski notified Alkermes plc (the “Company”) of her decision to retire, for personal reasons, from the Company’s board of directors (the “Board”) and from any Board leadership positions and committees on which she serves, in each case effective as of December 8, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1520262/000095017023069042/0000950170-23-069042-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"label":"Role","value":"director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}