Northwest Natural Gas Co. (NWN) SEC Filings - Page 1

SEC Filings for Northwest Natural Gas Co. (NWN) 
$ 47.75   -0.53 (-1.10%) Volume: 89.36 k 4:03 PM EST Feb 10, 2012
Filing Type:
Form TypeForm DescriptionPagesDateView
SC 13G/AAmendment to the SC 13G filing102/10/2012
   
SC 13GStatement of beneficial ownership of common stock by certain persons102/09/2012
   
SC 13G/AAmendment to the SC 13G filing502/08/2012
   
4Statement of changes in beneficial ownership of securities101/17/2012
   
4Statement of changes in beneficial ownership of securities101/17/2012
   
3Initial statement of beneficial ownership of securities101/10/2012
   
8-KReport of unscheduled material events or corporate changes.712/30/2011
   
8-KReport of unscheduled material events or corporate changes.1912/20/2011
   
4Statement of changes in beneficial ownership of securities111/21/2011
   
4Statement of changes in beneficial ownership of securities111/09/2011
   
4Statement of changes in beneficial ownership of securities111/09/2011
   
4Statement of changes in beneficial ownership of securities111/09/2011
   
4Statement of changes in beneficial ownership of securities111/09/2011
   
4Statement of changes in beneficial ownership of securities111/09/2011
   
10-QQuarterly report with a continuing view of a company's financial position6911/04/2011
   
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