COLUMBIA BANKING SYSTEM, INC. — 3 Filings
48 3 filings on record
This page lists all 3 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 48 3 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 |
|---|---|---|---|---|
| 3 | FORM 3 | 0000887343-25-000282 | Dec 31, 2025 | — |
| 3 | FORM 3 | 0000887343-25-000277 | Dec 1, 2025 | Nov 20, 2025 |
| 3 | FORM 3 | 0000887343-25-000274 | Dec 1, 2025 | Nov 20, 2025 |
| 3 | FORM 3 | 0000887343-25-000247 | Sep 3, 2025 | Aug 31, 2025 |
| 3 | FORM 3 | 0000887343-25-000245 | Sep 3, 2025 | Aug 31, 2025 |
| 3 | FORM 3 | 0000887343-25-000243 | Sep 3, 2025 | Aug 31, 2025 |
| 3 | FORM 3 | 0000887343-25-000199 | Jun 9, 2025 | Jun 2, 2025 |
| 3 | FORM 3 | 0000887343-23-000157 | Mar 6, 2023 | Mar 1, 2023 |
| 3 | FORM 3 | 0000887343-23-000156 | Mar 6, 2023 | Mar 1, 2023 |
| 3 | FORM 3 | 0000887343-23-000155 | Mar 6, 2023 | Mar 1, 2023 |
| 3 | FORM 3 | 0000887343-23-000154 | Mar 6, 2023 | Mar 1, 2023 |
| 3 | FORM 3 | 0000887343-23-000153 | Mar 6, 2023 | Mar 1, 2023 |
| 3 | FORM 3 | 0000887343-23-000152 | Mar 6, 2023 | Mar 1, 2023 |
| 3 | FORM 3 | 0000887343-23-000151 | Mar 6, 2023 | Mar 1, 2023 |
| 3 | FORM 3 | 0000887343-23-000116 | Mar 3, 2023 | Mar 1, 2023 |
| 3 | FORM 3 | 0000887343-23-000114 | Mar 3, 2023 | Mar 1, 2023 |
| 3 | FORM 3 | 0000887343-23-000113 | Mar 3, 2023 | Mar 1, 2023 |
| 3 | FORM 3 | 0000887343-23-000112 | Mar 3, 2023 | Mar 1, 2023 |
| 3 | FORM 3 | 0000887343-23-000111 | Mar 3, 2023 | Mar 1, 2023 |
| 3 | FORM 3 | 0000887343-23-000110 | Mar 3, 2023 | Mar 1, 2023 |
| 3 | FORM 3 | 0000887343-23-000109 | Mar 3, 2023 | Mar 1, 2023 |
| 3 | FORM 3 | 0000887343-21-000004 | Jan 4, 2021 | Jan 1, 2021 |
| 3 | FORM 3 | 0000887343-21-000003 | Jan 4, 2021 | Jan 1, 2021 |
| 3 | FORM 3 | 0000887343-20-000133 | Apr 28, 2020 | Apr 27, 2020 |
| 3 | FORM 3 | 0000887343-20-000022 | Jan 6, 2020 | — |
| 3 | FORM 3 | 0000887343-20-000020 | Jan 6, 2020 | — |
| 3 | FORM 3 | 0000887343-20-000006 | Jan 2, 2020 | — |
| 3 | FORM 3 | 0000887343-18-000093 | Jun 5, 2018 | Jun 4, 2018 |
| 3 | FORM 3 | 0000887343-18-000091 | Jun 1, 2018 | — |
| 3 | FORM 3 | 0000887343-18-000068 | Mar 15, 2018 | Mar 11, 2018 |
| 3 | FORM 3 | 0000887343-18-000013 | Jan 26, 2018 | Jan 24, 2018 |
| 3 | FORM 3 | 0000887343-17-000164 | Nov 2, 2017 | Nov 1, 2017 |
| 3 | FORM 3 | 0000887343-17-000144 | Jul 28, 2017 | Jul 26, 2017 |
| 3 | FORM 3 SUBMISSION | 0001209191-15-008415 | Feb 2, 2015 | Jan 23, 2015 |
| 3 | FORM 3 SUBMISSION | 0001209191-14-066218 | Nov 4, 2014 | Nov 1, 2014 |
| 3 | FORM 3 SUBMISSION | 0001209191-14-059851 | Sep 25, 2014 | Sep 24, 2014 |
| 3 | FORM 3 SUBMISSION | 0001209191-14-056230 | Sep 5, 2014 | Sep 2, 2014 |
| 3 | FORM 3 SUBMISSION | 0001209191-14-056228 | Sep 5, 2014 | Sep 2, 2014 |
| 3 | FORM 3 SUBMISSION | 0001209191-14-039952 | Jun 9, 2014 | May 30, 2014 |
| 3 | FORM 3 SUBMISSION | 0001209191-14-029188 | Apr 25, 2014 | Apr 23, 2014 |
| 3 | FORM 3 SUBMISSION | 0001209191-14-019316 | Mar 11, 2014 | Mar 1, 2014 |
| 3 | PRIMARY DOCUMENT | 0001186640-13-000006 | Apr 8, 2013 | Apr 1, 2013 |
| 3 | PRIMARY DOCUMENT | 0001550429-12-000001 | May 21, 2012 | May 10, 2012 |
| 3 | PRIMARY DOCUMENT | 0001480001-12-000003 | Feb 13, 2012 | Feb 1, 2012 |
| 3 | PRIMARY DOCUMENT | 0001379715-12-000002 | Feb 10, 2012 | Feb 1, 2012 |
| 3 | PRIMARY DOCUMENT | 0001397948-07-000001 | Apr 27, 2007 | Apr 25, 2007 |
| 3 | PRIMARY DOCUMENT | 0001292058-04-000001 | Jun 2, 2004 | Jun 1, 2004 |
| 3 | PRIMARY DOCUMENT | 0001229367-03-000003 | Oct 23, 2003 | Oct 22, 2003 |