$UNP 4/A SEC Filings

Filed On	Filing
09 Feb 2016	PRIMARY DOCUMENT
09 Feb 2016	PRIMARY DOCUMENT
09 Feb 2016	PRIMARY DOCUMENT
09 Feb 2016	PRIMARY DOCUMENT
09 Feb 2016	PRIMARY DOCUMENT
17 Apr 2009	PRIMARY DOCUMENT
02 Jun 2006	PRIMARY DOCUMENT
05 Apr 2006	PRIMARY DOCUMENT
15 Feb 2006	PRIMARY DOCUMENT
11 Jan 2005	PRIMARY DOCUMENT
10 Jan 2005	PRIMARY DOCUMENT
10 Jan 2005	PRIMARY DOCUMENT
06 Jun 2003	PRIMARY DOCUMENT