Company:  UNION PACIFIC CORP (UNP)
Form Type:  4
Filing Date:  4/4/2012 
CIK:  0000100885 
Address:  1400 DOUGLAS STREET
STOP 0310
 
City, State, Zip:  OMAHA, Nebraska 68179 
Telephone:  402 544 5214 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$157.95  
Change: 
1.98 (1.27%)  
Trade Time: 
04:01 PM EST  
Market Cap: 
$73.73B
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES