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SEC Edgar

COLUMBIA BANKING SYSTEM INC

SIC 6022 · State Commercial Banks
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$COLB

COLUMBIA BANKING SYSTEM INC

CIK:0000887343|SEC Filings

ARTICLES AND BYLAWS

EX-3.4
d413616dex34.htm
2023-03-01T00:00:00Z
EX-3.3
d413616dex33.htm
2023-03-01T00:00:00Z
EX-3.1
d513971dex31.htm
2013-04-02T00:00:00Z
EX-3.2
dex32.htm
2010-02-02T00:00:00Z
EX-3.1
dex31.htm
2009-02-19T00:00:00Z
EX-3.1
dex31.htm
2008-11-21T00:00:00Z
EX-3.1
dex31.htm
2007-10-26T00:00:00Z
EX-3.1
dex31.htm
2005-05-06T00:00:00Z
EX-3.2
dex32.htm
2005-05-06T00:00:00Z
EX-3.1
dex31.htm
2005-04-29T00:00:00Z
EX-3.1
dex31.htm
2005-03-16T00:00:00Z
EX-3.2
dex32.htm
2005-03-16T00:00:00Z
EX-3.1
dex31.htm
2004-07-13T00:00:00Z
EX-3.1
v092667_ex3-1.htm
2007-11-07T00:00:00Z
EX-3.(B)
EX-3.(B).txt
2000-03-23T00:00:00Z
EX-3.(A)
EX-3.(A).txt
2000-03-23T00:00:00Z
EX-3.2
colb-20251231xex32arbylaws.htm
2026-02-26T00:00:00Z
EX-3.2
colb-20250630xex32arbylaws.htm
2025-08-06T00:00:00Z
EX-3.2
colb-20241231xex32arbylaws.htm
2025-02-25T00:00:00Z
EX-3.2
colb-20240930xex32xcolum.htm
2024-11-05T00:00:00Z