COLUMBIA BANKING SYSTEM, INC.
SEC Filing List
COLB CIK: 0000887343
| Form | Description | Owner/Filer | Filing Agent | Date | Actions |
|---|---|---|---|---|---|
| 10-Q | Quarterly report pursuant to Section 13 ... | Columbia Banking System, Inc. | 08/04/2026 | ||
| 8-K | Current report filing | Columbia Banking System, Inc. | 07/30/2026 | ||
| 8-K | Current report filing | Columbia Banking System, Inc. | 07/23/2026 | ||
| 4 | Statement of changes in beneficial owner... | Deer Aaron James | Columbia Banking System, Inc. | 07/02/2026 | |
| 8-K | Current report filing | Columbia Banking System, Inc. | 07/01/2026 | ||
| 11-K | Annual report of employee stock purchase... | Columbia Banking System, Inc. | 06/25/2026 | ||
| 4 | Statement of changes in beneficial owner... | Machuca Luis | Columbia Banking System, Inc. | 06/16/2026 | |
| 11-K/A | Amendment to Annual report of employee s... | Columbia Banking System, Inc. | 06/16/2026 | ||
| 4 | Statement of changes in beneficial owner... | Moore Devine David | Columbia Banking System, Inc. | 06/10/2026 | |
| 144 | Filing for proposed sale of securities u... | Fidelity Brokerage Services LLC/FA | 06/08/2026 | ||
| No record found. | |||||
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