{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-22-282814","form_type":"8-K","ticker":"TSPH","cik":"0001823593","company_name":"TuSimple Holdings Inc.","filed_at":"2022-11-10T23:59:59+00:00","discovered_at":"2026-05-14T18:03:52.378017+00:00","generated_at":"2026-06-21T23:38:51.137210+00:00","sec_items":["3.01","5.02"],"event_type":"leadership","sentiment":"negative","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"TuSImple board overhaul: CEO replaced, four directors ousted, Nasdaq non-compliance triggered","bullets":["Majority stockholders removed directors Brad Buss, Karen C. Francis, Michelle Sterling, Reed Werner on Nov 10, 2022.","Dr. Xiaodi Hou became sole director; then appointed Mo Chen (Executive Chairman) and Cheng Lu (CEO).","Interim CEO Ersin Yumer removed; Cheng Lu appointed CEO effective immediately.","Board lost majority independence, violating Nasdaq rules 5605(b)(1), (c)(2)(A), (d)(2); company intends to cure.","All prior board committees vacated; no new assignments made yet."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-22-282814","json":"https://secwatch.observer/filing/0001193125-22-282814.json","markdown":"https://secwatch.observer/filing/0001193125-22-282814.md","text":"https://secwatch.observer/filing/0001193125-22-282814.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1823593/000119312522282814/0001193125-22-282814-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1823593/000119312522282814/d387238d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-21T23:38:51.137210+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":"061631c60e","claim":"Michelle Sterling was removed as Director at TuSimple Holdings Inc..","evidence_excerpt":"consented to the removal of Brad Buss, Karen C. Francis, Michelle Sterling and Reed Werner from the Company’s board of directors.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1823593/000119312522282814/0001193125-22-282814-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"removed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"303cb5fcda","claim":"Ersin Yumer was removed as interim Chief Executive Officer and President at TuSimple Holdings Inc..","evidence_excerpt":"removed Ersin Yumer 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/1823593/000119312522282814/0001193125-22-282814-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"removed"},{"label":"Role","value":"interim Chief Executive Officer and President"}],"fact_type":"executive_change"},{"claim_id":"3228d367dc","claim":"Karen C. Francis was removed as Director at TuSimple Holdings Inc..","evidence_excerpt":"consented to the removal of Brad Buss, Karen C. Francis, Michelle Sterling and Reed Werner from the Company’s board of directors.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1823593/000119312522282814/0001193125-22-282814-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"removed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"999b67c28c","claim":"Brad Buss was removed as Director at TuSimple Holdings Inc..","evidence_excerpt":"consented to the removal of Brad Buss, Karen C. Francis, Michelle Sterling and Reed Werner from the Company’s board of directors.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1823593/000119312522282814/0001193125-22-282814-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"removed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"ae23b2dab6","claim":"Mo Chen was appointed as Executive Chairman at TuSimple Holdings Inc..","evidence_excerpt":"appointed Mo Chen, as Executive Chairman of the Company’s board of directors","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1823593/000119312522282814/0001193125-22-282814-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Executive Chairman"}],"fact_type":"executive_change"},{"claim_id":"beb5df17ce","claim":"Reed Werner was removed as Director at TuSimple Holdings Inc..","evidence_excerpt":"consented to the removal of Brad Buss, Karen C. Francis, Michelle Sterling and Reed Werner from the Company’s board of directors.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1823593/000119312522282814/0001193125-22-282814-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"removed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"e03606b62b","claim":"Cheng Lu was appointed as Chief Executive Officer at TuSimple Holdings Inc..","evidence_excerpt":"appointed Cheng Lu as Chief Executive Officer of the Company","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1823593/000119312522282814/0001193125-22-282814-index.htm","confidence":1.0,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Chief Executive Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}