# Filing Detail

Form 8-K - Current report:
SEC Accession No. 0000887343-25-000163
Filing Date
2025-05-05
Accepted
2025-05-05 17:17:21
Documents
53
Period of Report
2025-05-05
Items
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | FORM 8-K | colb-20250505.htm iXBRL | 8-K | 49349
2 | EX-99.1 | colbmidquarterpresentati.htm | EX-99.1 | 117541
6 |  | colbmidquarterpresentati001.jpg | GRAPHIC | 71259
7 |  | colbmidquarterpresentati002.jpg | GRAPHIC | 332458
8 |  | colbmidquarterpresentati003.jpg | GRAPHIC | 316984
9 |  | colbmidquarterpresentati004.jpg | GRAPHIC | 119649
10 |  | colbmidquarterpresentati005.jpg | GRAPHIC | 95313
11 |  | colbmidquarterpresentati006.jpg | GRAPHIC | 208529
12 |  | colbmidquarterpresentati007.jpg | GRAPHIC | 141509
13 |  | colbmidquarterpresentati008.jpg | GRAPHIC | 145132
14 |  | colbmidquarterpresentati009.jpg | GRAPHIC | 162649
15 |  | colbmidquarterpresentati010.jpg | GRAPHIC | 192394
16 |  | colbmidquarterpresentati011.jpg | GRAPHIC | 26017
17 |  | colbmidquarterpresentati012.jpg | GRAPHIC | 142525
18 |  | colbmidquarterpresentati013.jpg | GRAPHIC | 136861
19 |  | colbmidquarterpresentati014.jpg | GRAPHIC | 144697
20 |  | colbmidquarterpresentati015.jpg | GRAPHIC | 64752
21 |  | colbmidquarterpresentati016.jpg | GRAPHIC | 154183
22 |  | colbmidquarterpresentati017.jpg | GRAPHIC | 106160
23 |  | colbmidquarterpresentati018.jpg | GRAPHIC | 152901
24 |  | colbmidquarterpresentati019.jpg | GRAPHIC | 121278
25 |  | colbmidquarterpresentati020.jpg | GRAPHIC | 141572
26 |  | colbmidquarterpresentati021.jpg | GRAPHIC | 127938
27 |  | colbmidquarterpresentati022.jpg | GRAPHIC | 101196
28 |  | colbmidquarterpresentati023.jpg | GRAPHIC | 199817
29 |  | colbmidquarterpresentati024.jpg | GRAPHIC | 171220
30 |  | colbmidquarterpresentati025.jpg | GRAPHIC | 155625
31 |  | colbmidquarterpresentati026.jpg | GRAPHIC | 118230
32 |  | colbmidquarterpresentati027.jpg | GRAPHIC | 22476
33 |  | colbmidquarterpresentati028.jpg | GRAPHIC | 172281
34 |  | colbmidquarterpresentati029.jpg | GRAPHIC | 155273
35 |  | colbmidquarterpresentati030.jpg | GRAPHIC | 183544
36 |  | colbmidquarterpresentati031.jpg | GRAPHIC | 104240
37 |  | colbmidquarterpresentati032.jpg | GRAPHIC | 148182
38 |  | colbmidquarterpresentati033.jpg | GRAPHIC | 131138
39 |  | colbmidquarterpresentati034.jpg | GRAPHIC | 121211
40 |  | colbmidquarterpresentati035.jpg | GRAPHIC | 100405
41 |  | colbmidquarterpresentati036.jpg | GRAPHIC | 145895
42 |  | colbmidquarterpresentati037.jpg | GRAPHIC | 151703
43 |  | colbmidquarterpresentati038.jpg | GRAPHIC | 133002
44 |  | colbmidquarterpresentati039.jpg | GRAPHIC | 115231
| Complete submission text file | 0000887343-25-000163.txt |  | 7962963

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
3 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | colb-20250505.xsd | EX-101.SCH | 1824
4 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | colb-20250505_lab.xml | EX-101.LAB | 21629
5 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | colb-20250505_pre.xml | EX-101.PRE | 12536
55 | EXTRACTED XBRL INSTANCE DOCUMENT | colb-20250505_htm.xml | XML | 2704

Mailing Address 1301 A STREET TACOMA WA 98402
Business Address 1301 A STREET TACOMA WA 98402 2533051900
COLUMBIA BANKING SYSTEM, INC. (Filer) CIK: 0000887343 (see all company filings)

EIN.: 911422237 | State of Incorp.: WA | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 000-20288 | Film No.: 25914136
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)