COLB - Company ID 0000887343
COLUMBIA BANKING SYSTEM, INC. has filed 1,871 public company documents between 1996 and 2026. The most frequent type is insider trade (982 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Type | Filing | Filed | Period covered | Open |
|---|---|---|---|---|
| S-8 | Employee stock plan | 10mo ago2025-09-02 | - | View filing |
| S-8 | Employee stock plan | 2y ago2024-05-09 | - | View filing |
| S-8 | Employee stock plan | 2y ago2024-05-09 | - | View filing |
| S-8 | Employee stock plan | 2y ago2024-05-09 | - | View filing |
| S-8 | Employee stock plan | 2y ago2023-07-25 | - | View filing |
| S-8 | Employee stock plan | 3y ago2023-03-01 | - | View filing |
| S-8 | Employee stock plan | 8y ago2018-06-28 | - | View filing |
| S-8 | Employee stock plan | 12y ago2014-04-23 | - | View filing |
| S-8 | Employee stock plan | 13y ago2013-04-02 | - | View filing |
| S-8 | Employee stock plan | 17y ago2009-07-01 | - | View filing |
| S-8 | Employee stock plan | 17y ago2009-07-01 | - | View filing |
| S-8 | Employee stock plan | 18y ago2007-08-07 | - | View filing |
| S-8 | Employee stock plan | 18y ago2007-07-24 | - | View filing |
| S-8 | Employee stock plan | 20y ago2006-06-29 | - | View filing |
| S-8 | Employee stock plan | 21y ago2005-05-27 | - | View filing |
| S-8 | Employee stock plan | 21y ago2004-11-01 | - | View filing |
| S-8 | Employee stock plan | 23y ago2002-10-08 | - | View filing |
| S-8 | Employee stock plan | 26y ago2000-06-28 | - | View filing |