{"filing":{"accession_number":"0001193125-26-248648","cik":"0001544227","ticker":"TPST","company_name":"Tempest Therapeutics, Inc.","form":"8-K","filing_date":"2026-05-29","report_date":null,"primary_document":"d220128d8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1544227/000119312526248648/d220128d8k.htm"},"events":[{"id":2149,"run_id":1866,"accession_number":"0001193125-26-248648","anchor_item_number":"5.02","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.95,"summary":"Ms. Simantov resigned from the Board of Directors effective May 23, 2026. The disclosure centers on her departure from the board, with the Separation Agreement addressing transition matters (waiver of retainer fees, preservation of equity awards and indemnification rights). This is a clear board departure with no indication of disagreement, making it a material executive departure event.","company_name":"Tempest Therapeutics, Inc.","ticker":"TPST","filing_date":"2026-05-29","items":[{"id":2740,"accession_number":"0001193125-26-248648","item_number":"5.02","item_title":"Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"Ms. Simantov resigned from the Board of Directors effective May 23, 2026. The disclosure centers on her departure from the board, with the Separation Agreement addressing transition matters (waiver of retainer fees, preservation of equity awards and indemnification rights). This is a clear board departure with no indication of disagreement, making it a material executive departure event.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-30T02:15:21.658929+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":2740,"accession_number":"0001193125-26-248648","item_number":"5.02","item_title":"Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"Ms. Simantov resigned from the Board of Directors effective May 23, 2026. The disclosure centers on her departure from the board, with the Separation Agreement addressing transition matters (waiver of retainer fees, preservation of equity awards and indemnification rights). This is a clear board departure with no indication of disagreement, making it a material executive departure event.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-05-30T02:15:21.658929+00:00","company_name":"Tempest Therapeutics, Inc.","ticker":"TPST","filing_date":"2026-05-29"}]}