{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-182391","form_type":"8-K","ticker":"GH","cik":"0001576280","company_name":"Guardant Health, Inc.","filed_at":"2026-04-27T23:59:59+00:00","discovered_at":"2026-05-14T18:02:32.499408+00:00","generated_at":"2026-05-15T03:49:50.291946+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"negative","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Guardant Health CMO Craig Eagle resigns effective May 8, 2026","bullets":["Dr. Craig Eagle resigns as Chief Medical Officer, effective May 8, 2026.","No reason provided for resignation.","No replacement named at this time."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-182391","json":"https://secwatch.observer/filing/0001193125-26-182391.json","markdown":"https://secwatch.observer/filing/0001193125-26-182391.md","text":"https://secwatch.observer/filing/0001193125-26-182391.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1576280/000119312526182391/0001193125-26-182391-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1576280/000119312526182391/d122370d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T03:49:50.291946+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"}