8-K
8-K Filing
- Company
- UNION PACIFIC CORP
- Filed
- March 31, 1998
- Period of Report
- March 31, 1998
- Accession Number
- 0000100885-98-000012
An 8-K is a current report used to announce material events that shareholders should know about — such as earnings releases, mergers, executive changes, or bankruptcy. Learn more about 8-K filings →