{"schema_version":"secwatch.filing_event.v1","accession":"0001599298-26-000049","form_type":"8-K","ticker":"SMMT","cik":"0001599298","company_name":"Summit Therapeutics Inc.","filed_at":"2026-06-03T12:01:16+00:00","discovered_at":"2026-06-03T12:05:02.282687+00:00","generated_at":"2026-06-03T12:05:22.782097+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"medium","headline":"Summit Therapeutics authorizes affiliates and executives to purchase shares under ATM offering","bullets":["Audit Committee and independent directors approved company affiliates to buy shares under existing ATM with JP Morgan.","Co-CEOs Robert Duggan and Mahkam Zanganeh and COO/CFO Manmeet Soni indicated likely personal purchases in near term.","No specific share numbers or formal binding commitments disclosed; purchases at prevailing bid or better."],"urls":{"canonical":"https://secwatch.observer/filing/0001599298-26-000049","json":"https://secwatch.observer/filing/0001599298-26-000049.json","markdown":"https://secwatch.observer/filing/0001599298-26-000049.md","text":"https://secwatch.observer/filing/0001599298-26-000049.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1599298/000159929826000049/0001599298-26-000049-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1599298/000159929826000049/smmt-20260602.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-03T12:05:22.782097+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"}