{"schema_version":"secwatch.filing_event.v1","accession":"0000100517-23-000018","form_type":"8-K","ticker":"UAL","cik":"0000100517","company_name":"United Airlines Holdings, Inc.","filed_at":"2023-01-27T23:59:59+00:00","discovered_at":"2026-05-14T18:03:43.432518+00:00","generated_at":"2026-06-20T06:59:36.008604+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.25,"calibrated_materiality_score":0.25,"confidence":"high","headline":"UAL: Garth Thompson appointed to Board as ALPA-MEC director, replacing Michael Hamilton","bullets":["Captain Garth Thompson appointed by ALPA to fill Board vacancy effective Jan 24, 2023.","Replaces Captain Michael Hamilton, who resigned in December 2022.","Thompson will not receive cash or equity compensation; eligible for travel and charitable contribution benefits.","No committee assignments yet; no arrangements or related party transactions."],"urls":{"canonical":"https://secwatch.observer/filing/0000100517-23-000018","json":"https://secwatch.observer/filing/0000100517-23-000018.json","markdown":"https://secwatch.observer/filing/0000100517-23-000018.md","text":"https://secwatch.observer/filing/0000100517-23-000018.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/100517/000010051723000018/0000100517-23-000018-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/100517/000010051723000018/ual-20230124.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-20T06:59:36.008604+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":"10675229ac","claim":"Michael Hamilton resigned as Director at United Airlines Holdings, Inc..","evidence_excerpt":"Captain Michael Hamilton, who occupied the ALPA-MEC director position on the Board since March 2022, resigned as the chairperson of the ALPA-MEC in December 2022 and, accordingly, resigned from the Board.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/100517/000010051723000018/0000100517-23-000018-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"resigned"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"},{"claim_id":"f5bb847a70","claim":"Garth Thompson was appointed as Director at United Airlines Holdings, Inc..","evidence_excerpt":"On January 24, 2023, ALPA designated Captain Garth Thompson to fill the vacancy resulting from Captain Hamilton's departure, effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/100517/000010051723000018/0000100517-23-000018-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"designated"},{"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"}