{"schema_version":"secwatch.filing_event.v1","accession":"0001847903-22-000006","form_type":"8-K","ticker":"CNTA","cik":"0001847903","company_name":"Centessa Pharmaceuticals plc","filed_at":"2022-02-16T23:59:59+00:00","discovered_at":"2026-05-14T18:04:08.828648+00:00","generated_at":"2026-06-27T07:39:33.861760+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Director Robert Califf resigns from Centessa board to become FDA Commissioner","bullets":["Robert M. Califf, M.D., resigned from Centessa's Board effective Feb 16, 2022.","Resignation due to his confirmation as incoming FDA Commissioner; not a disagreement.","Dr. Califf is no longer a member of the Board or any committees."],"urls":{"canonical":"https://secwatch.observer/filing/0001847903-22-000006","json":"https://secwatch.observer/filing/0001847903-22-000006.json","markdown":"https://secwatch.observer/filing/0001847903-22-000006.md","text":"https://secwatch.observer/filing/0001847903-22-000006.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1847903/000184790322000006/0001847903-22-000006-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1847903/000184790322000006/cnta-20220216.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-27T07:39:33.861760+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":"1d11b0cbc6","claim":"Robert M. Califf, M.D. resigned as Director at Centessa Pharmaceuticals plc.","evidence_excerpt":"On February 16, 2022, Robert M. Califf, M.D., a member of the Board of Directors (the “Board”) of Centessa Pharmaceuticals plc (the “Company” or “Centessa”), notified the Company of his resignation from the Board, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1847903/000184790322000006/0001847903-22-000006-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}