---
schema_version: "secwatch.filing_event.v1"
accession: "0000100517-22-000102"
form_type: "8-K"
ticker: "UAL"
cik: "0000100517"
company_name: "United Airlines Holdings, Inc."
filed_at: "2022-12-23T23:59:59+00:00"
generated_at: "2026-06-20T23:12:37.864564+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# United Airlines director Captain Michael Hamilton resigns from board, effective Dec 19, 2022

## Summary
- Captain Michael Hamilton, the ALPA-MEC director on United Airlines Board, resigned effective Dec 19, 2022.
- His departure follows his resignation as chairperson of the ALPA-MEC; not due to any disagreement with the Company.
- The ALPA-MEC has not yet designated a replacement to fill the vacancy.

## SEC filing metadata
- accession: 0000100517-22-000102
- form_type: 8-K
- ticker: UAL
- cik: 0000100517
- company_name: United Airlines Holdings, Inc.
- filed_at: 2022-12-23T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/100517/000010051722000102/0000100517-22-000102-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/100517/000010051722000102/ual-20221219.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000100517-22-000102
- JSON: https://secwatch.observer/filing/0000100517-22-000102.json
- Plain text: https://secwatch.observer/filing/0000100517-22-000102.txt

## Key facts
- Executive change
  Michael Hamilton resigned as ALPA-MEC Director at United Airlines Holdings, Inc..
  - Action: resigned
  - Role: ALPA-MEC Director
  source text: On December 19, 2022, ALPA notified the Company that Captain Hamilton had resigned as the chairperson of the ALPA-MEC and, accordingly, would leave the Board effective immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/100517/000010051722000102/0000100517-22-000102-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.