COLUMBIA BANKING SYSTEM, INC. — 8-K Filings
283 8-K filings on record
This page lists all 8-K filings submitted to the SEC by COLUMBIA BANKING SYSTEM, INC. (COLB), sorted by most recent first. Each row links to the full filing on EdgarLookup. COLUMBIA BANKING SYSTEM, INC. has filed 283 8-K documents with the SEC since 2017. To view all SEC filings by COLUMBIA BANKING SYSTEM, INC., see the full filings list.
All
10-C
10-K
10-K/A
10-K405
10-Q
10-Q/A
11-K
144
3
3/A
4
4/A
424B1
424B3
424B5
425
5
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
DEFM14A
DFAN14A
EFFECT
POS AM
PRE 14A
S-2
S-2/A
S-2MEF
S-3
S-3ASR
S-3MEF
S-4
S-4/A
S-8
S-8 POS
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 8-K | 8-K | 0000887343-23-000227 | May 15, 2023 | — |
| 8-K | 8-K | 0000887343-23-000214 | Apr 26, 2023 | — |
| 8-K | 8-K | 0000887343-23-000208 | Apr 3, 2023 | Mar 31, 2023 |
| 8-K | 8-K | 0001193125-23-056342 | Mar 1, 2023 | Feb 28, 2023 |
| 8-K | 8-K | 0001193125-23-049828 | Feb 27, 2023 | Feb 24, 2023 |
| 8-K | 8-K | 0000887343-23-000007 | Jan 24, 2023 | — |
| 8-K | 8-K | 0001193125-23-005000 | Jan 10, 2023 | Jan 9, 2023 |
| 8-K | 8-K | 0001193125-23-002636 | Jan 6, 2023 | Dec 31, 2022 |
| 8-K | 8-K | 0001193125-22-278607 | Nov 7, 2022 | — |
| 8-K | 8-K | 0001193125-22-269119 | Oct 26, 2022 | Oct 25, 2022 |
| 8-K | 8-K | 0000887343-22-000131 | Oct 20, 2022 | — |
| 8-K | 8-K | 0001193125-22-258408 | Oct 6, 2022 | Oct 5, 2022 |
| 8-K | 8-K | 0001193125-22-247701 | Sep 20, 2022 | Sep 17, 2022 |
| 8-K | 8-K | 0000887343-22-000127 | Sep 2, 2022 | — |
| 8-K | 8-K | 0000887343-22-000120 | Jul 21, 2022 | — |
| 8-K | 8-K | 0000887343-22-000110 | May 26, 2022 | — |
| 8-K | 8-K | 0000887343-22-000102 | Apr 29, 2022 | Apr 27, 2022 |
| 8-K | 8-K | 0000887343-22-000098 | Apr 21, 2022 | — |
| 8-K | 8-K | 0001193125-22-021719 | Jan 28, 2022 | Jan 26, 2022 |
| 8-K | 8-K | 0000887343-22-000006 | Jan 21, 2022 | Jan 19, 2022 |
| 8-K | 8-K | 0001193125-22-012767 | Jan 20, 2022 | Jan 19, 2022 |
| 8-K | 8-K | 0001193125-21-369114 | Dec 29, 2021 | — |
| 8-K | 8-K | 0000887343-21-000162 | Oct 29, 2021 | Oct 28, 2021 |
| 8-K | 8-K | 0001193125-21-300178 | Oct 15, 2021 | Oct 11, 2021 |
| 8-K | 8-K | 0001193125-21-296324 | Oct 12, 2021 | — |
| 8-K | 8-K | 0001193125-21-288971 | Oct 1, 2021 | Sep 30, 2021 |
| 8-K | 8-K | 0001193125-21-287452 | Sep 30, 2021 | — |
| 8-K | 8-K | 0000887343-21-000151 | Jul 29, 2021 | — |
| 8-K | 8-K | 0001193125-21-198112 | Jun 24, 2021 | Jun 23, 2021 |
| 8-K | 8-K | 0000887343-21-000113 | May 28, 2021 | May 26, 2021 |
| 8-K | 8-K | 0000887343-21-000108 | Apr 30, 2021 | Apr 29, 2021 |
| 8-K | 8-K | 0000887343-21-000020 | Jan 28, 2021 | — |
| 8-K | 8-K | 0001193125-20-327206 | Dec 28, 2020 | Dec 21, 2020 |
| 8-K | 8-K | 0000887343-20-000213 | Dec 1, 2020 | Nov 25, 2020 |
| 8-K | 8-K | 0000887343-20-000203 | Oct 29, 2020 | — |
| 8-K | 8-K | 0000887343-20-000200 | Sep 17, 2020 | — |
| 8-K | 8-K | 0000887343-20-000189 | Jul 23, 2020 | — |
| 8-K | 8-K | 0001193125-20-157250 | Jun 1, 2020 | May 27, 2020 |
| 8-K | 8-K | 0001193125-20-147849 | May 21, 2020 | — |
| 8-K | 8-K | 0000887343-20-000147 | May 8, 2020 | May 7, 2020 |
| 8-K | 8-K | 0000887343-20-000138 | May 1, 2020 | Apr 30, 2020 |
| 8-K | 8-K | 0000887343-20-000122 | Apr 13, 2020 | Apr 6, 2020 |
| 8-K | 8-K | 0000887343-20-000117 | Mar 18, 2020 | — |
| 8-K | 8-K | 0000887343-20-000073 | Feb 28, 2020 | — |
| 8-K | FORM 8-K | 0000887343-20-000026 | Jan 24, 2020 | Jan 23, 2020 |
| 8-K | 8-K | 0000887343-20-000018 | Jan 7, 2020 | Jan 1, 2020 |
| 8-K | FORM 8-K | 0000887343-19-000143 | Oct 24, 2019 | — |
| 8-K | 8-K | 0000887343-19-000139 | Oct 3, 2019 | Sep 27, 2019 |
| 8-K | FORM 8-K | 0000887343-19-000112 | Jul 26, 2019 | Jul 25, 2019 |
| 8-K | 8-K | 0001193125-19-159802 | May 29, 2019 | May 22, 2019 |