Date Filed | Type | Description |
09/29/2023 |
8-K
| Quarterly results |
08/14/2023 |
8-K
| Other Events, Financial Statements and Exhibits Interactive Data |
08/03/2023 |
10-Q
| Quarterly Report for the period ended June 30, 2023 |
07/25/2023 |
S-8
| Form S-8 - Securities to be offered to employees in employee benefit plans: |
07/19/2023 |
8-K
| Quarterly results |
06/30/2023 |
8-K
| Regulation FD Disclosure, Financial Statements and Exhibits Interactive Data |
05/15/2023 |
8-K
| Other Events, Financial Statements and Exhibits Interactive Data |
05/09/2023 |
10-Q
| Quarterly Report for the period ended March 31, 2023 |
04/26/2023 |
8-K
| Quarterly results |
04/06/2023 |
ARS
| Form ARS - Annual Report to Security Holders: |
04/06/2023 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
04/06/2023 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements: |
04/03/2023 |
8-K
| Regulation FD Disclosure, Financial Statements and Exhibits Interactive Data |
03/08/2023 |
SC 13G/A
| BlackRock Inc. reports a 6.5% stake in COLUMBIA BANKING SYSTEM INC |
03/01/2023 |
S-8
| Form S-8 - Securities to be offered to employees in employee benefit plans: |
03/01/2023 |
8-K
| Completion of Acquisition or Disposition of Assets, Creation of a Direct Financial Obligation or an Obligation under an Off-B...
Docs:
|
"Articles of Amendment of the Amended and Restated Articles of Incorporation of Columbia Banking System, Inc., effective as of February 28, 2023",
"Amended and Restated Bylaws of Columbia Banking System, Inc",
"Letter Agreement, by and between Columbia Banking System, Inc. and Cort O’Haver",
"Letter Agreement, by and between Columbia Banking System, Inc. and Ronald Farnsworth",
"Letter Agreement, by and between Columbia Banking System, Inc. and Lisa White",
"104 Cover Page Interactive Data File (embedded within the Inline XBRL document)",
"Letter Agreement, by and between Columbia Banking System, Inc. and Eric Eid",
"Letter Agreement, by and between Columbia Banking System, Inc. and Christopher Merrywell",
"Columbia Banking System, Inc. 2023 Deferred Compensation Plan",
"Columbia Banking System and Umpqua Holdings Corporation Complete Merger" |
|
02/27/2023 |
8-K
| Other Events Interactive Data |
02/24/2023 |
10-K
| Annual Report for the period ended December 31, 2022 |
02/10/2023 |
SC 13G
| DIMENSIONAL FUND ADVISORS LP reports a 6.4% stake in Columbia Banking System Inc |
02/09/2023 |
SC 13G/A
| VANGUARD GROUP INC reports a 12% stake in Columbia Banking System Inc. |
02/08/2023 |
SC 13G/A
| STATE STREET CORP reports a 6% stake in AMENDED FILING COLUMBIA BANKING SYSTEM INC |
01/30/2023 |
SC 13G
| FRANKLIN MUTUAL ADVISERS LLC reports a 6% stake in COLUMBIA BANKING SYSTEM, INC. |
01/24/2023 |
8-K
| Results of Operations and Financial Condition, Other Events, Financial Statements and Exhibits Interactive Data |
01/20/2023 |
SC 13G
| BlackRock Inc. reports a 14.4% stake in COLUMBIA BANKING SYSTEM INC |
01/09/2023 |
8-K
| Quarterly results |
01/05/2023 |
8-K
| Quarterly results |
11/07/2022 |
8-K
| Regulation FD Disclosure, Financial Statements and Exhibits Interactive Data |
10/28/2022 |
10-Q
| Quarterly Report for the period ended September 30, 2022 |
10/26/2022 |
8-K
| Quarterly results |
10/20/2022 |
8-K
| Quarterly results |
10/05/2022 |
8-K
| Quarterly results |
09/20/2022 |
8-K
| Other Events Interactive Data |
09/02/2022 |
8-K
| Regulation FD Disclosure Interactive Data |
08/04/2022 |
10-Q
| Quarterly Report for the period ended June 30, 2022 |
|