MDU Resources Group Inc. (MDU) SEC Filings - Page 1

SEC Filings for MDU Resources Group Inc. (MDU) 
$ 21.70   -0.12 (-0.55%) Volume: 480.16 k 4:02 PM EST Feb 10, 2012
Filing Type:
Form TypeForm DescriptionPagesDateView
5Annual statement of changes in beneficial ownership of securities102/03/2012
   
8-KReport of unscheduled material events or corporate changes.2602/02/2012
   
4Statement of changes in beneficial ownership of securities101/03/2012
   
8-KReport of unscheduled material events or corporate changes.412/21/2011
   
S-8 POSPost-effective amendment to an S-8 filing412/16/2011
   
S-8 POSPost-effective amendment to an S-8 filing412/16/2011
   
4Statement of changes in beneficial ownership of securities112/12/2011
   
4Statement of changes in beneficial ownership of securities112/12/2011
   
4Statement of changes in beneficial ownership of securities112/12/2011
   
4Statement of changes in beneficial ownership of securities111/22/2011
   
4Statement of changes in beneficial ownership of securities111/22/2011
   
4Statement of changes in beneficial ownership of securities111/22/2011
   
4Statement of changes in beneficial ownership of securities111/22/2011
   
4Statement of changes in beneficial ownership of securities111/22/2011
   
4Statement of changes in beneficial ownership of securities111/22/2011
   
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