$UNP SEC Filings

Filing Filed On
S-4/A 20 Aug 2021
S-4/A 27 Apr 2021
S-4/A 07 Apr 2020
S-4/A 09 Dec 2013
AMENDMENT NO.3 TO FORM S-4 28 Nov 2001
AMENDMENT NO. 2 TO FORM S-4 26 Nov 2001
AMENDMENT NO. 1 TO FORM S-4 19 Nov 2001
AMENDMENT NO. 1 TO REGISTRATION STATEMENT 12 Dec 1995