{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-241785","form_type":"8-K","ticker":"IDYA","cik":"0001676725","company_name":"IDEAYA Biosciences, Inc.","filed_at":"2023-09-26T23:59:59+00:00","discovered_at":"2026-05-14T18:03:34.825715+00:00","generated_at":"2026-06-10T08:42:52.258136+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"CFO Paul A. Stone resigns effective Nov 10, 2023; Andres Ruiz Briseno to lead finance","bullets":["CFO Paul A. Stone voluntarily resigns, effective November 10, 2023, after Q3 10-Q filing.","Resignation is to pursue other opportunities; not related to any disagreement with the company.","Andres Ruiz Briseno, SVP Head of Finance and IR, remains principal accounting officer and will lead finance and IR functions."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-241785","json":"https://secwatch.observer/filing/0001193125-23-241785.json","markdown":"https://secwatch.observer/filing/0001193125-23-241785.md","text":"https://secwatch.observer/filing/0001193125-23-241785.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1676725/000119312523241785/0001193125-23-241785-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1676725/000119312523241785/d537402d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-10T08:42:52.258136+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":"71d56fd81c","claim":"Paul A. Stone resigned as Chief Financial Officer at IDEAYA Biosciences, Inc..","evidence_excerpt":"On September 21, 2023, Paul A. Stone informed IDEAYA Biosciences, Inc. (the “Company”), of his voluntary resignation from his position as Chief Financial Officer of the Company. Mr. Stone’s resignation will be effective as of November 10, 2023","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1676725/000119312523241785/0001193125-23-241785-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Chief Financial Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}