BlackRock, Inc. 13D and 13G filings for Columbia Banking System, Inc.:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2024-01-25 1:48 pm Purchase | 2023-12-31 | 13G | COLUMBIA BANKING SYSTEMS INC COLB | BlackRock Inc. BLK | 18,472,440 8.900% | 13,357,753![]() (+261.16%) | Filing |
| 2023-03-08 2:01 pm Sale | 2023-02-28 | 13G | COLUMBIA BANKING SYSTEMS INC COLB | BlackRock Inc. BLK | 5,114,687 6.500% | -6,210,697![]() (-54.84%) | Filing |
| 2023-01-26 08:52 am Unchanged | 2022-12-31 | 13G | COLUMBIA BANKING SYSTEMS INC COLB | BlackRock Inc. BLK | 11,325,384 14.400% | 0 (Unchanged) | Filing |
| 2023-01-20 09:43 am Sale | 2022-12-31 | 13G | COLUMBIA BANKING SYSTEMS INC COLB | BlackRock Inc. BLK | 11,325,384 14.400% | -130,965![]() (-1.14%) | Filing |
| 2022-01-27 11:00 am Unchanged | 2021-12-31 | 13G | COLUMBIA BANKING SYSTEMS INC COLB | BlackRock Inc. BLK | 11,456,349 14.600% | 0 (Unchanged) | Filing |
| 2022-01-25 3:03 pm Purchase | 2021-12-31 | 13G | COLUMBIA BANKING SYSTEMS INC COLB | BlackRock Inc. BLK | 11,456,349 14.600% | 908,319![]() (+8.61%) | Filing |

