{"schema_version":"secwatch.filing_event.v1","accession":"0001641172-25-026719","form_type":"8-K","ticker":"SHPH","cik":"0001757499","company_name":"Shuttle Pharmaceuticals Holdings, Inc.","filed_at":"2025-09-05T23:59:59+00:00","discovered_at":"2026-05-14T18:02:44.891281+00:00","generated_at":"2026-05-17T07:59:35.711952+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Director Steven Richards resigns from Shuttle Pharmaceuticals board","bullets":["Steven Richards resigned as director of Shuttle Pharmaceuticals Holdings, Inc. effective August 31, 2025.","Resignation stated to not be due to any disagreement with Company's operations, policies, or practices.","No replacement for Richards was announced; board size decreased accordingly."],"urls":{"canonical":"https://secwatch.observer/filing/0001641172-25-026719","json":"https://secwatch.observer/filing/0001641172-25-026719.json","markdown":"https://secwatch.observer/filing/0001641172-25-026719.md","text":"https://secwatch.observer/filing/0001641172-25-026719.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1757499/000164117225026719/0001641172-25-026719-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1757499/000164117225026719/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T07:59:35.711952+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"}