{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-25-055084","form_type":"8-K","ticker":"ALNY","cik":"0001178670","company_name":"ALNYLAM PHARMACEUTICALS, INC.","filed_at":"2025-12-03T23:59:59+00:00","discovered_at":"2026-05-14T18:02:38.939508+00:00","generated_at":"2026-05-16T15:03:33.514612+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Alnylam board changes: Bonney and Bertozzi resign; Arbuckle appointed director","bullets":["Mike Bonney and Carolyn Bertozzi resigned from Alnylam board effective Dec 2, 2025; no disagreement with company.","Bertozzi resigned due to election to Eli Lilly board (eff. Dec 8, 2025); will continue as scientific advisor.","Stuart Arbuckle (ex-Vertex COO) elected to board, effective Jan 5, 2026; receives $75K annual cash retainer plus stock.","Board size reduced from 11 to 10 following resignations; Arbuckle serves as Class I director until 2026 annual meeting.","Arbuckle brings commercial and leadership experience from GSK, Amgen, and Vertex; also serves on Rhythm Pharma board."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-25-055084","json":"https://secwatch.observer/filing/0001628280-25-055084.json","markdown":"https://secwatch.observer/filing/0001628280-25-055084.md","text":"https://secwatch.observer/filing/0001628280-25-055084.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1178670/000162828025055084/0001628280-25-055084-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1178670/000162828025055084/alny-20251202.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T15:03:33.514612+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":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}