COLUMBIA BANKING SYSTEM, INC. (COLB) Current Reports & Earnings Releases
Upcoming
- 2026-10-29 Earnings Release Estimated
| Filed | Form | Items | Filing |
|---|---|---|---|
| 2026-08-14 | 8-K | Other Events, Financial Statements & Exhibits | SEC |
| 2026-07-30 | 8-K | Officer / Director Changes, Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2026-07-23 | 8-K | Results of Operations, Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2026-07-01 | 8-K | Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2026-05-15 | 8-K | Shareholder Vote Results | SEC |
| 2026-05-15 | 8-K | Other Events, Financial Statements & Exhibits | SEC |
| 2026-04-23 | 8-K | Results of Operations, Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2026-03-31 | 8-K | Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2026-02-13 | 8-K | Other Events, Financial Statements & Exhibits | SEC |
| 2026-01-22 | 8-K | Results of Operations, Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2025-12-31 | 8-K | Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2025-11-21 | 8-K | Officer / Director Changes | SEC |
| 2025-11-14 | 8-K | Other Events, Financial Statements & Exhibits | SEC |
| 2025-11-04 | 8-K | Officer / Director Changes, Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2025-10-30 | 8-K | Results of Operations, Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2025-09-02 | 8-K | Acquisition or Disposition, Officer / Director Changes, Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2025-08-29 | 8-K | Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2025-08-15 | 8-K | Other Events, Financial Statements & Exhibits | SEC |
| 2025-08-06 | 8-K | Reg FD Disclosure, Other Events, Financial Statements & Exhibits | SEC |
| 2025-07-24 | 8-K | Results of Operations, Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2025-07-22 | 8-K | Shareholder Vote Results, Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2025-07-11 | 8-K | Other Events | SEC |
| 2025-06-30 | 8-K | Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2025-05-16 | 8-K | Other Events, Financial Statements & Exhibits | SEC |
| 2025-05-15 | 8-K | Shareholder Vote Results | SEC |
| 2025-05-05 | 8-K | Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2025-04-25 | 8-K | Material Agreement, Financial Statements & Exhibits | SEC |
| 2025-04-23 | 8-K | Results of Operations, Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2025-04-23 | 8-K | Reg FD Disclosure, Other Events, Financial Statements & Exhibits | SEC |
| 2025-04-02 | 8-K | Officer / Director Changes, Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2025-03-31 | 8-K | Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2025-03-27 | 8-K | Reg FD Disclosure | SEC |
| 2025-02-14 | 8-K | Other Events, Financial Statements & Exhibits | SEC |
| 2025-01-23 | 8-K | Results of Operations, Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2024-12-31 | 8-K | Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2024-11-15 | 8-K | Other Events, Financial Statements & Exhibits | SEC |
| 2024-10-24 | 8-K | Results of Operations, Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2024-09-30 | 8-K | Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2024-08-12 | 8-K | Other Events, Financial Statements & Exhibits | SEC |
| 2024-07-25 | 8-K | Results of Operations, Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2024-06-28 | 8-K | Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2024-05-13 | 8-K | Other Events, Financial Statements & Exhibits | SEC |
| 2024-05-09 | 8-K | Officer / Director Changes, Shareholder Vote Results, Financial Statements & Exhibits | SEC |
| 2024-04-25 | 8-K | Results of Operations, Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2024-04-01 | 8-K | Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2024-03-05 | 8-K | Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2024-03-04 | 8-K | Reg FD Disclosure, Financial Statements & Exhibits | SEC |
| 2024-02-09 | 8-K | Other Events, Financial Statements & Exhibits | SEC |
| 2024-01-24 | 8-K | Results of Operations, Reg FD Disclosure, Financial Statements & Exhibits | SEC |
Sourced from SEC EDGAR 8-K/6-K filings. 8-K is the current-report form for US domestic issuers (Item 2.02 = earnings release); 6-K is the equivalent for foreign private issuers, including ADRs. Originals live on sec.gov.