{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-22-058240","form_type":"8-K","ticker":"GH","cik":"0001576280","company_name":"Guardant Health, Inc.","filed_at":"2022-02-28T23:59:59+00:00","discovered_at":"2026-05-14T18:04:07.149481+00:00","generated_at":"2026-06-27T03:37:18.107273+00:00","sec_items":["5.02","8.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Guardant Health director Meresman to leave board; governance reforms adopted","bullets":["Stanley Meresman, a Class I director, will not stand for re-election at June 2022 annual meeting; no disagreement.","Board expanded from 7 to 9 directors, now includes 4 women.","Nominating Committee charter amended to oversee ESG, ethical compliance, IT healthcare regulatory compliance.","Code of Conduct updated with broader standards on conflicts, antitrust, political contributions, social media.","Committee assignments effective May 1, 2022: Audit (Meresman), Compensation (Gadde), Nominating (Clark)."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-22-058240","json":"https://secwatch.observer/filing/0001193125-22-058240.json","markdown":"https://secwatch.observer/filing/0001193125-22-058240.md","text":"https://secwatch.observer/filing/0001193125-22-058240.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1576280/000119312522058240/0001193125-22-058240-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1576280/000119312522058240/d203874d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-27T03:37:18.107273+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":"985d140d81","claim":"Stanley Meresman departed as Director at Guardant Health, Inc..","evidence_excerpt":"On February 22, 2022, Stanley Meresman informed Guardant Health, Inc. (the “Company”) that he will not stand for re-election to the Company’s Board of Directors (the “Board”) when his current term expires at the Company’s next Annual Meeting of Stockholders, which will take place in June 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1576280/000119312522058240/0001193125-22-058240-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"will not stand for re-election"},{"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"}