{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-22-273032","form_type":"8-K","ticker":"TSPH","cik":"0001823593","company_name":"TuSimple Holdings Inc.","filed_at":"2022-10-31T23:59:59+00:00","discovered_at":"2026-05-14T18:03:52.377049+00:00","generated_at":"2026-06-22T21:52:51.264355+00:00","sec_items":["5.02","7.01","8.01","9.01"],"event_type":"leadership","sentiment":"negative","materiality_score":0.8,"calibrated_materiality_score":0.8,"confidence":"high","headline":"TuSimple terminates CEO Xiaodi Hou amid Audit Committee investigation; search for new CEO begins","bullets":["CEO Xiaodi Hou terminated as CEO, President, CTO and Chairman effective Oct 30, 2022; interim CEO Ersin Yumer appointed.","Audit Committee probe found ~$300k in paid hours spent on Hydron (related party) and confidential info shared without approval.","TuSimple reaffirms FY2022 ending cash guidance of ~$950M; Q3 results released Oct 31 after market close.","Board engages Russell Reynolds to find permanent CEO; Brad Buss becomes Chairman."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-22-273032","json":"https://secwatch.observer/filing/0001193125-22-273032.json","markdown":"https://secwatch.observer/filing/0001193125-22-273032.md","text":"https://secwatch.observer/filing/0001193125-22-273032.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1823593/000119312522273032/0001193125-22-273032-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1823593/000119312522273032/d395238d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-22T21:52:51.264355+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":"5554fe84ad","claim":"Ersin Yumer was appointed as interim Chief Executive Officer and President at TuSimple Holdings Inc..","evidence_excerpt":"The Company also announced that, effective as of the same date, the Board appointed Dr. Ersin Yumer, age 38, as interim Chief Executive Officer and President of the Company.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1823593/000119312522273032/0001193125-22-273032-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"interim Chief Executive Officer and President"}],"fact_type":"executive_change"},{"claim_id":"846b03d52e","claim":"Xiaodi Hou was terminated as Chief Executive Officer, President, Chief Technology Officer and Chairman at TuSimple Holdings Inc..","evidence_excerpt":"On October 31, 2022, TuSimple Holdings Inc. (the “Company” or “TuSimple”) announced that the Board of Directors of the Company (the “Board”) terminated the employment of Xiaodi Hou as the Chief Executive Officer, President and Chief Technology Officer of the Company and removed Dr. Hou from his position as Chairman of the Board, in each case, effective as of October 30, 2022.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1823593/000119312522273032/0001193125-22-273032-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"terminated"},{"label":"Role","value":"Chief Executive Officer, President, Chief Technology Officer and Chairman"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}