<SEC-DOCUMENT>0001193125-21-252482-index.html : 20210820
<SEC-HEADER>0001193125-21-252482.hdr.sgml : 20210820
<ACCEPTANCE-DATETIME>20210820131439
ACCESSION NUMBER:		0001193125-21-252482
CONFORMED SUBMISSION TYPE:	S-4/A
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20210820
DATE AS OF CHANGE:		20210820

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNION PACIFIC CORP
		CENTRAL INDEX KEY:			0000100885
		STANDARD INDUSTRIAL CLASSIFICATION:	RAILROADS, LINE-HAUL OPERATING [4011]
		IRS NUMBER:				132626465
		STATE OF INCORPORATION:			UT
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-4/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-258422
		FILM NUMBER:		211192865

	BUSINESS ADDRESS:	
		STREET 1:		1400 DOUGLAS STREET
		STREET 2:		STOP 0310
		CITY:			OMAHA
		STATE:			NE
		ZIP:			68179
		BUSINESS PHONE:		402 544 6763

	MAIL ADDRESS:	
		STREET 1:		1400 DOUGLAS STREET
		STREET 2:		STOP 0310
		CITY:			OMAHA
		STATE:			NE
		ZIP:			68179
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-4/A
<SEQUENCE>1
<FILENAME>d177762ds4a.htm
<DESCRIPTION>S-4/A
<TEXT>
Document 1 - file: d177762ds4a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>d177762dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: d177762dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>d177762dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 3 - file: d177762dex231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g177762g97z76.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g177762g97z76.jpg

</DOCUMENT>
</SEC-DOCUMENT>