<SEC-DOCUMENT>0000100885-14-000138.txt : 20140902
<SEC-HEADER>0000100885-14-000138.hdr.sgml : 20140901
<ACCEPTANCE-DATETIME>20140902131118
ACCESSION NUMBER:		0000100885-14-000138
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20140829
FILED AS OF DATE:		20140902
DATE AS OF CHANGE:		20140902

ISSUER:		

	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

	BUSINESS ADDRESS:	
		STREET 1:		1400 DOUGLAS STREET
		STREET 2:		STOP 0310
		CITY:			OMAHA
		STATE:			NE
		ZIP:			68179
		BUSINESS PHONE:		402 544 5214

	MAIL ADDRESS:	
		STREET 1:		1400 DOUGLAS STREET
		STREET 2:		STOP 0310
		CITY:			OMAHA
		STATE:			NE
		ZIP:			68179

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DUREN DIANE K
		CENTRAL INDEX KEY:			0001563283

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06075
		FILM NUMBER:		141077060

	MAIL ADDRESS:	
		STREET 1:		1400 DOUGLAS STREET, STOP 0310
		CITY:			OMAHA
		STATE:			NE
		ZIP:			68179
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>PRIMARY DOCUMENT
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            <rptOwnerStreet2></rptOwnerStreet2>
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            <rptOwnerState>NE</rptOwnerState>
            <rptOwnerZipCode>68179</rptOwnerZipCode>
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            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP &amp; CORPORATE SECRETARY</officerTitle>
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                <directOrIndirectOwnership>
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                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Deferral Account</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
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                <footnoteId id="F5"/>
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                <transactionPricePerShare>
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            </transactionAmounts>
            <exerciseDate>
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                <footnoteId id="F5"/>
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            <expirationDate>
                <value>2021-02-03</value>
            </expirationDate>
            <underlyingSecurity>
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                </underlyingSecurityTitle>
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    <footnotes>
        <footnote id="F1">On June 6, 2014, Union Pacific Corporation effected a 2-for-1 stock split in the form of a stock dividend.  Amounts of securities and the grant price or prices with respect to options, if any, and restricted stock or restricted stock units, if any, reported on this form have been adjusted to reflect the stock split.</footnote>
        <footnote id="F2">This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 1, 2014.</footnote>
        <footnote id="F3">This transaction was executed in multiple trades at prices ranging from $104.63 to $105.26. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.</footnote>
        <footnote id="F4">Represents conversion of restricted stock units to fully vested stock units with a distribution ratio of 1:1 - Payable only in shares of common stock at termination of employment or a date certain.</footnote>
        <footnote id="F5">This option becomes exercisable in three equal installments starting one year from the grant date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Trevor L. Kingston, Attorney-in-Fact  For: Diane K. Duren</signatureName>
        <signatureDate>2014-09-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
