10-K

Company

UNION PACIFIC CORP

Filed

February 9, 2018

Period of Report

December 31, 2017

Accession Number

0000100885-18-000048

A 10-K is a company's comprehensive annual report, required by the SEC. It includes audited financial statements, a description of the business, risk factors, and management's discussion of results. Learn more about 10-K filings →