{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-23-052906","form_type":"8-K","ticker":"BRNS","cik":"0001828185","company_name":"Barinthus Biotherapeutics plc.","filed_at":"2023-04-28T23:59:59+00:00","discovered_at":"2026-05-14T18:03:40.939490+00:00","generated_at":"2026-06-16T06:41:17.275384+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Vaccitech COO Chris Ellis announces retirement effective Oct 31, 2023","bullets":["Chris Ellis, Chief Operating Officer (principal operating officer), informed company of retirement on April 24, 2023.","Retirement effective October 31, 2023; no replacement named.","Mr. Ellis's departure is a planned retirement, not an immediate resignation."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-23-052906","json":"https://secwatch.observer/filing/0001104659-23-052906.json","markdown":"https://secwatch.observer/filing/0001104659-23-052906.md","text":"https://secwatch.observer/filing/0001104659-23-052906.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1828185/000110465923052906/0001104659-23-052906-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1828185/000110465923052906/tm2313748d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-16T06:41:17.275384+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":"62a6b5a765","claim":"Chris Ellis retired as Chief Operating Officer at Barinthus Biotherapeutics plc..","evidence_excerpt":"On April 24, 2023, Chris Ellis, our Chief Operating Officer (principal operating officer), informed Vaccitech plc (the “Company”) of his retirement from the Company, effective October 31, 2023.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1828185/000110465923052906/0001104659-23-052906-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retired"},{"label":"Role","value":"Chief Operating Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}