Columbia Banking System, Inc. (COLB)

CIK 887343 · operating company. SEC filings, financial statements, 10-K sections, 8-K items and insider trades for Columbia Banking System, Inc..

Recent SEC filings

FiledFormAccession number
Nov 5, 202610-Q0000887343-26-000188
Oct 30, 202640000887343-26-000185
Oct 29, 20261440001959173-26-007540
Oct 27, 20268-K0001193125-26-434182
Oct 22, 20268-K0000887343-26-000184
Sep 30, 20268-K0000887343-26-000181
Sep 15, 202640000887343-26-000178
Sep 8, 202640001267342-26-000003
Sep 4, 202640001084960-26-000007
Sep 2, 202630000887343-26-000176
Aug 18, 202640000887343-26-000174
Aug 14, 20268-K0000887343-26-000173
Aug 13, 2026SCHEDULE 13G/A0000902219-26-000265
Aug 4, 202610-Q0000887343-26-000170
Jul 30, 20268-K0000887343-26-000167
Jul 23, 20268-K0000887343-26-000165
Jul 2, 202640000887343-26-000161
Jul 1, 20268-K0000887343-26-000159
Jun 25, 202611-K0000887343-26-000156
Jun 16, 202640001133099-26-000010
Jun 16, 202611-K/A0000887343-26-000150
Jun 10, 202640001798077-26-000005
Jun 8, 20261440001959173-26-004456
May 18, 202640001222385-26-000002
May 18, 202640001284574-26-000003