COLB News
Official issuer or fund updates, exact SEC current reports, and large established publisher coverage, newest first. Every lawfully retained item remains in the corpus; each public page contains at most 100 rows. Headlines open the exact source; summaries are concise descriptions and not investment recommendations. Captured 2026-08-31.
| Date | Type | Publisher | Headline | Summary |
|---|---|---|---|---|
| 2026-08-14 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01,9.01. |
| 2026-07-30 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 5.02,7.01,9.01. |
| 2026-07-23 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2026-07-01 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01,9.01. |
| 2026-05-15 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 5.07. |
| 2026-05-15 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01,9.01. |
| 2026-04-23 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2026-03-31 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01,9.01. |
| 2026-02-13 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01,9.01. |
| 2026-01-22 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2025-12-31 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01,9.01. |
| 2025-11-21 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 5.02. |
| 2025-11-14 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01,9.01. |
| 2025-11-04 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 5.02,7.01,9.01. |
| 2025-10-30 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2025-09-03 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K/A | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K/A covering items 9.01. |
| 2025-09-02 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.01,5.02,7.01,9.01. |
| 2025-08-29 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01,9.01. |
| 2025-08-15 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01,9.01. |
| 2025-08-06 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01,8.01,9.01. |
| 2025-07-24 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2025-07-22 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 5.07,7.01,9.01. |
| 2025-07-11 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01. |
| 2025-06-30 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01,9.01. |
| 2025-05-16 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01,9.01. |
| 2025-05-15 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 5.07. |
| 2025-05-05 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01,9.01. |
| 2025-04-25 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 1.01,9.01. |
| 2025-04-23 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2025-04-23 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01,8.01,9.01. |
| 2025-04-02 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 5.02,7.01,9.01. |
| 2025-03-31 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01,9.01. |
| 2025-03-27 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01. |
| 2025-02-14 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01,9.01. |
| 2025-01-23 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2024-12-31 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01,9.01. |
| 2024-11-15 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01,9.01. |
| 2024-10-24 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2024-09-30 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01,9.01. |
| 2024-08-12 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01,9.01. |
| 2024-07-25 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2024-06-28 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01,9.01. |
| 2024-05-13 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01,9.01. |
| 2024-05-09 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 5.02,5.07,9.01. |
| 2024-04-25 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2024-04-01 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01,9.01. |
| 2024-03-05 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01,9.01. |
| 2024-03-04 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01,9.01. |
| 2024-02-09 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01,9.01. |
| 2024-01-24 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2023-12-29 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01,9.01. |
| 2023-11-13 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 9.01. |
| 2023-10-18 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2023-09-29 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01,9.01. |
| 2023-08-14 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01,9.01. |
| 2023-07-19 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2023-06-30 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01,9.01. |
| 2023-06-27 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01. |
| 2023-05-23 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 5.07. |
| 2023-05-15 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01,9.01. |
| 2023-04-26 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,7.01,9.01. |
| 2023-04-03 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01,9.01. |
| 2023-03-03 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K/A | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K/A covering items 9.01. |
| 2023-03-01 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.01,2.03,5.02,5.03,8.01,9.01. |
| 2023-02-27 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01. |
| 2023-01-24 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,8.01,9.01. |
| 2023-01-10 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 1.01,8.01,9.01. |
| 2023-01-06 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 5.02. |
| 2022-11-07 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01,9.01. |
| 2022-10-26 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01. |
| 2022-10-20 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,9.01. |
| 2022-10-06 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01,9.01. |
| 2022-09-20 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01. |
| 2022-09-02 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01. |
| 2022-07-21 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,8.01,9.01. |
| 2022-05-26 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01. |
| 2022-04-29 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 5.07. |
| 2022-04-21 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,8.01,9.01. |
| 2022-01-28 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 5.07,8.01,9.01. |
| 2022-01-21 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,8.01,9.01. |
| 2022-01-20 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01. |
| 2021-12-29 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01,9.01. |
| 2021-10-29 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,9.01. |
| 2021-10-15 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 1.01,5.02,9.01. |
| 2021-10-12 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01,9.01. |
| 2021-10-01 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01,9.01. |
| 2021-09-30 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 8.01,9.01. |
| 2021-07-29 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,8.01,9.01. |
| 2021-06-24 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 1.01,7.01,9.01. |
| 2021-05-28 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 5.07. |
| 2021-04-30 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,8.01,9.01. |
| 2021-01-28 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,8.01,9.01. |
| 2020-12-28 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 5.02. |
| 2020-12-01 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 5.02. |
| 2020-10-29 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,8.01,9.01. |
| 2020-09-17 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01. |
| 2020-07-23 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 2.02,8.01,9.01. |
| 2020-06-01 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 5.07. |
| 2020-05-21 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 7.01. |
| 2020-05-08 | Current report | SEC filing | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K | COLUMBIA BANKING SYSTEM, INC. filed Form 8-K covering items 5.02. |