{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-315047","form_type":"8-K","ticker":"ALNY","cik":"0001178670","company_name":"ALNYLAM PHARMACEUTICALS, INC.","filed_at":"2025-12-11T23:59:59+00:00","discovered_at":"2026-05-14T18:02:38.939696+00:00","generated_at":"2026-05-16T13:28:07.819844+00:00","sec_items":["8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Alnylam repurchases $34.4M of 1.00% convertible notes due 2027 for ~$51.9M","bullets":["Repurchased $34.4M aggregate principal of 1.00% convertible senior notes due 2027 for total cash cost of approximately $51.9M, including accrued interest.","Remaining outstanding principal after repurchases is $362.8M.","Repurchase price is subject to adjustment based on daily VWAP over a measurement period starting December 11, 2025.","Existing capped call transactions entered upon note issuance remain in effect."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-315047","json":"https://secwatch.observer/filing/0001193125-25-315047.json","markdown":"https://secwatch.observer/filing/0001193125-25-315047.md","text":"https://secwatch.observer/filing/0001193125-25-315047.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1178670/000119312525315047/0001193125-25-315047-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1178670/000119312525315047/d201569d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T13:28:07.819844+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"}