Columbia Banking System Inc. (COLB) SEC Filings - Page 1

SEC Filings for Columbia Banking System Inc. (COLB) 
$ 21.12   -0.39 (-1.81%) Volume: 122.74 k 4:00 PM EST Feb 10, 2012
Filing Type:
Form TypeForm DescriptionPagesDateView
3Initial statement of beneficial ownership of securities102/10/2012
   
SC 13GStatement of beneficial ownership of common stock by certain persons502/07/2012
   
8-KReport of unscheduled material events or corporate changes.702/06/2012
   
8-KReport of unscheduled material events or corporate changes.2301/27/2012
   
5Annual statement of changes in beneficial ownership of securities101/26/2012
   
5Annual statement of changes in beneficial ownership of securities101/26/2012
   
5Annual statement of changes in beneficial ownership of securities101/26/2012
   
5Annual statement of changes in beneficial ownership of securities101/26/2012
   
5Annual statement of changes in beneficial ownership of securities101/26/2012
   
5Annual statement of changes in beneficial ownership of securities101/26/2012
   
4Statement of changes in beneficial ownership of securities101/05/2012
   
4Statement of changes in beneficial ownership of securities101/05/2012
   
4Statement of changes in beneficial ownership of securities112/16/2011
   
8-KReport of unscheduled material events or corporate changes.911/30/2011
   
10-Q/AAmendment to a previously filed 10-Q511/15/2011
   
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