DEFINITIVE NOTICE AND PROXY STATEMENT

Company

UNION PACIFIC CORP

Filed

March 24, 2006

Period of Report

May 4, 2006

Accession Number

0001193125-06-062830

A DEF 14A is a proxy statement sent to shareholders before an annual meeting. It covers executive compensation, board elections, and shareholder votes. Learn more about DEF 14A filings →