{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-25-078340","form_type":"8-K","ticker":"REVB","cik":"0001810560","company_name":"REVELATION BIOSCIENCES, INC.","filed_at":"2025-05-28T23:59:59+00:00","discovered_at":"2026-05-14T18:02:49.820082+00:00","generated_at":"2026-05-20T08:32:55.459407+00:00","sec_items":["5.02","8.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Director George Tidmarsh resigns from Revelation Biosciences board to avoid conflict of interest","bullets":["George Tidmarsh, MD, PhD resigned from the Board on May 23, 2025, to avoid conflict with new US governmental agency work.","Board size reduced from 5 to 4; Lakhmir Chawla, MD reclassified as Class C Director.","Resignation was not due to any disagreement with the company's operations, policies, or practices.","Tidmarsh served as a Class C Director for 5 years; term was set to expire at the 2025 Annual Meeting."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-25-078340","json":"https://secwatch.observer/filing/0000950170-25-078340.json","markdown":"https://secwatch.observer/filing/0000950170-25-078340.md","text":"https://secwatch.observer/filing/0000950170-25-078340.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1810560/000095017025078340/0000950170-25-078340-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1810560/000095017025078340/revb-20250523.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-20T08:32:55.459407+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":"dfe7a709bf","claim":"George Tidmarsh resigned as Director at REVELATION BIOSCIENCES, INC..","evidence_excerpt":"On May 23, 2025, George Tidmarsh, M.D., Ph.D., resigned from the Board of Directors of Revelation Biosciences, Inc. (the “Company”).","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1810560/000095017025078340/0000950170-25-078340-index.htm","confidence":1.0,"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"}