{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-173134","form_type":"8-K","ticker":null,"cik":"0001827087","company_name":"Vigil Neuroscience, Inc.","filed_at":"2025-08-05T23:59:59+00:00","discovered_at":"2026-05-14T18:02:45.173356+00:00","generated_at":"2026-05-17T20:57:32.180488+00:00","sec_items":["2.01","3.01","3.03","5.01","5.02","5.03","5.07","8.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":1.0,"calibrated_materiality_score":1.0,"confidence":"high","headline":"Sanofi completes acquisition of Vigil Neuroscience for $8.00/sh + CVR","bullets":["Merger closed Aug 5, 2025; each share of VIGL converted to $8.00 cash plus one CVR.","CVR entitles holder to $2.00 per CVR upon first commercial sale of VG-3927 for Alzheimer's.","Stockholders voted 35,191,885 for, 9,521 against, 133,827 abstain to adopt merger.","All directors and officers resigned; replaced by designees of Sanofi.","VIGL common stock trading halted; delisting and deregistration initiated."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-173134","json":"https://secwatch.observer/filing/0001193125-25-173134.json","markdown":"https://secwatch.observer/filing/0001193125-25-173134.md","text":"https://secwatch.observer/filing/0001193125-25-173134.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1827087/000119312525173134/0001193125-25-173134-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1827087/000119312525173134/d904355d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T20:57:32.180488+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":"4f4c257cc2541d484bf5b1ae6cd17a0da1d6f100","claim":"Vigil Neuroscience, Inc.: Certificate of incorporation amended and restated in its entirety pursuant to the Merger Agreement.","evidence_excerpt":"Pursuant to the Merger Agreement, at the Effective Time, Vigil’s certificate of incorporation was amended and restated in its entirety.","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1827087/000119312525173134/0001193125-25-173134-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"charter amendment"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}