secwatch.observer — SEC 8-K summary
======================================

Issuer:     UNION PACIFIC CORP (UNP)
CIK:        0000100885
Form:       8-K
Filed at:   2025-12-12T23:59:59+00:00
Accession:  0000100885-25-000345
Event type: leadership
Sentiment:  neutral
Materiality: 0.35
Item codes: 5.02, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Union Pacific appoints W. Anthony Will to board effective Jan. 5, 2026
----------------------------------------------------------------------

- Will is retiring as CEO and President of CF Industries on Jan. 4, 2026, then serving as senior advisor through March 15.
- Will will serve on Union Pacific's Audit and Finance Committees.
- He has served as CF Industries' CEO since 2014 and previously held leadership roles at Accenture and Sears.
- Will also serves on the board of Olin Corporation (NYSE: OLN) since 2021.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/100885/000010088525000345/0000100885-25-000345-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/100885/000010088525000345/unp-20251212.htm
  HTML page:      https://secwatch.observer/filing/0000100885-25-000345

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