{"schema_version":"secwatch.filing_event.v1","accession":"0001628280-21-025555","form_type":"8-K","ticker":"TPST","cik":"0001544227","company_name":"Tempest Therapeutics, Inc.","filed_at":"2021-12-23T23:59:59+00:00","discovered_at":"2026-05-14T18:04:12.981024+00:00","generated_at":"2026-06-27T22:34:53.690671+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"Tempest Therapeutics board member Stella Xu resigns effective Jan 5, 2022","bullets":["Stella Xu notified the Board of her resignation on Dec 20, 2021, effective Jan 5, 2022.","Resignation was not due to any disagreement with the company on operations, policies, or practices.","No replacement has been announced as of the filing date."],"urls":{"canonical":"https://secwatch.observer/filing/0001628280-21-025555","json":"https://secwatch.observer/filing/0001628280-21-025555.json","markdown":"https://secwatch.observer/filing/0001628280-21-025555.md","text":"https://secwatch.observer/filing/0001628280-21-025555.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1544227/000162828021025555/0001628280-21-025555-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1544227/000162828021025555/tpst-20211220.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-27T22:34:53.690671+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":"5874c88609","claim":"Stella Xu resigned as Director at Tempest Therapeutics, Inc..","evidence_excerpt":"On December 20, 2021, Stella Xu notified the board of directors (the “Board”) of Tempest Therapeutics, Inc. (the “Company”) of her decision to resign as a member of the Board, effective January 5, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1544227/000162828021025555/0001628280-21-025555-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"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"}