{"schema_version":"secwatch.filing_event.v1","accession":"0001493152-21-020997","form_type":"8-K","ticker":"PURE","cik":"0001006028","company_name":"PURE BIOSCIENCE, INC.","filed_at":"2021-08-23T23:59:59+00:00","discovered_at":"2026-05-14T18:04:16.826360+00:00","generated_at":"2026-06-29T08:18:11.751730+00:00","sec_items":["8.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Pure Bioscience appoints Ivan Chen as Board Chair, replacing Tom Lee","bullets":["Ivan Chen, current non-employee director, appointed Board Chair effective August 19, 2021.","Tom Lee steps down as Chair but remains President and Chief Executive Officer.","No other changes to the Board or management."],"urls":{"canonical":"https://secwatch.observer/filing/0001493152-21-020997","json":"https://secwatch.observer/filing/0001493152-21-020997.json","markdown":"https://secwatch.observer/filing/0001493152-21-020997.md","text":"https://secwatch.observer/filing/0001493152-21-020997.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1006028/000149315221020997/0001493152-21-020997-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1006028/000149315221020997/form8-k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T08:18:11.751730+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"}