$COLB SEC Filings

Filing Filed On
PRIMARY DOCUMENT 02 Mar 2011
PRIMARY DOCUMENT 02 Mar 2011
PRIMARY DOCUMENT 02 Mar 2011
FORM 10-K 01 Mar 2011
PRIMARY DOCUMENT 25 Feb 2011
PRIMARY DOCUMENT 25 Feb 2011
PRIMARY DOCUMENT 25 Feb 2011
PRIMARY DOCUMENT 25 Feb 2011
PRIMARY DOCUMENT 25 Feb 2011
COLUMBIA BANKING SYSTEM, INC. 14 Feb 2011
SCHEDULE 13G 11 Feb 2011
SCHEDULE 13G 11 Feb 2011
PRIMARY DOCUMENT 09 Feb 2011
PRIMARY DOCUMENT 09 Feb 2011
PRIMARY DOCUMENT 09 Feb 2011
PRIMARY DOCUMENT 09 Feb 2011
PRIMARY DOCUMENT 09 Feb 2011
FORM 8-K 07 Feb 2011
SC 13G/A 03 Feb 2011
PRIMARY DOCUMENT 05 Jan 2011