Company:  UNION PACIFIC CORP (UNP)
Form Type:  4
Filing Date:  5/4/2012 
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: 
$158.46  
Change: 
-1.17 (-0.73%)  
Trade Time: 
May 21  
Market Cap: 
$73.97B
Description of Business
Register for a Free Trial and access this filing in:     
  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES