{"schema_version":"secwatch.filing_event.v1","accession":"0001260221-23-000066","form_type":"8-K","ticker":"TDG","cik":"0001260221","company_name":"TransDigm Group INC","filed_at":"2023-10-27T23:59:59+00:00","discovered_at":"2026-05-14T18:03:28.477574+00:00","generated_at":"2026-06-09T06:48:12.856079+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"TransDigm directors Mervin Dunn and John Staer resign from Board effective immediately","bullets":["Mervin Dunn (Board member since 2009) and John Staer (since 2012) resigned on October 26, 2023.","Both resigned from all Board committees (Compensation, Nominating & Governance for Dunn; Audit, Nominating & Governance for Staer).","Resignations were not due to any disagreement with the Company regarding operations, policies, or practices."],"urls":{"canonical":"https://secwatch.observer/filing/0001260221-23-000066","json":"https://secwatch.observer/filing/0001260221-23-000066.json","markdown":"https://secwatch.observer/filing/0001260221-23-000066.md","text":"https://secwatch.observer/filing/0001260221-23-000066.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1260221/000126022123000066/0001260221-23-000066-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1260221/000126022123000066/tdg-20231026.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-09T06:48:12.856079+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":"79b206114d","claim":"John Staer resigned as Director at TransDigm Group INC.","evidence_excerpt":"On October 26, 2023, Mervin Dunn and John Staer, each a member of the Board of Directors (the “Board”) of TransDigm Group Incorporated (the “Company”), gave notice of their resignation from the Board and as a member of the Board committees on which they serve, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1260221/000126022123000066/0001260221-23-000066-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"b9c442cd6d","claim":"Mervin Dunn resigned as Director at TransDigm Group INC.","evidence_excerpt":"On October 26, 2023, Mervin Dunn and John Staer, each a member of the Board of Directors (the “Board”) of TransDigm Group Incorporated (the “Company”), gave notice of their resignation from the Board and as a member of the Board committees on which they serve, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1260221/000126022123000066/0001260221-23-000066-index.htm","confidence":0.95,"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"}