secwatch.observer — SEC 8-K summary
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Issuer:     UNION PACIFIC CORP (UNP)
CIK:        0000100885
Form:       8-K
Filed at:   2023-12-14T23:59:59+00:00
Accession:  0001437749-23-034441
Event type: leadership
Sentiment:  neutral
Materiality: 0.30
Item codes: 5.02, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Union Pacific appoints John Tien, former DHS deputy secretary, to board of directors
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- John Tien elected to board effective December 14, 2023; fills current vacancy.
- Tien most recently served as Deputy Secretary of Homeland Security (2021-2023), overseeing multi-billion-dollar budget and 3,000+ overseas personnel.
- He held senior executive roles at Citigroup for 10 years, including chief administrative officer and chief of staff for global consumer operations.
- Tien served 24 years in U.S. Army (Colonel), three combat tours in Iraq, and as NSC Senior Director for Afghanistan and Pakistan.
- Board determined Tien independent under NYSE standards; no material relationship with Union Pacific.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/100885/000143774923034441/0001437749-23-034441-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/100885/000143774923034441/unp20231213_8k.htm
  HTML page:      https://secwatch.observer/filing/0001437749-23-034441

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer