{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-304126","form_type":"8-K","ticker":"NUVL","cik":"0001861560","company_name":"Nuvalent, Inc.","filed_at":"2026-07-15T13:03:18+00:00","discovered_at":"2026-07-15T13:04:02.686249+00:00","generated_at":"2026-07-15T13:04:09.008918+00:00","sec_items":["2.01","3.01","3.03","5.01","5.02","5.03","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":1.0,"calibrated_materiality_score":1.0,"confidence":"high","headline":"GSK completes $10.6B acquisition of Nuvalent; tender offer accepted, merger effective July 15, 2026","bullets":["Tender offer closed with 91.3% of shares tendered; all validly tendered shares accepted at $124.00 per share.","Merger completed under DGCL Section 251(h); Nuvalent becomes wholly owned subsidiary of GSK.","Total equity value approximately $10.6 billion; funded from GSK credit facilities.","All prior directors and officers resigned; replaced by GSK appointees (Justin Huang, Kevin Ryan, Hatixhe Hoxha).","Shares to be delisted from Nasdaq; company intends to file Form 15 to suspend SEC reporting."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-304126","json":"https://secwatch.observer/filing/0001193125-26-304126.json","markdown":"https://secwatch.observer/filing/0001193125-26-304126.md","text":"https://secwatch.observer/filing/0001193125-26-304126.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1861560/000119312526304126/0001193125-26-304126-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1861560/000119312526304126/d52896d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-07-15T13:04:09.008918+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":"035a002003","claim":"Justin T. 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