# Filing Detail

Form 8-K - Current report:
SEC Accession No. 0000887343-25-000262
Filing Date
2025-10-30
Accepted
2025-10-30 16:51:27
Documents
48
Period of Report
2025-10-30
Items
Item 2.02: Results of Operations and Financial Condition
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 8-K | colb-20251030.htm iXBRL | 8-K | 26887
2 | PRESS RELEASE ANNOUNCING THIRD QUARTER 2025 FINANCIAL RESULTS | colb-20250930ex991earnings.htm | EX-99.1 | 1983952
3 | THIRD QUARTER 2025 INVESTOR PRESENTATION | colbq32025earningspresen.htm | EX-99.2 | 70469
7 | GRAPHIC | colbq32025earningspresen001.jpg | GRAPHIC | 108810
8 | GRAPHIC | colbq32025earningspresen002.jpg | GRAPHIC | 275602
9 | GRAPHIC | colbq32025earningspresen003.jpg | GRAPHIC | 137524
10 | GRAPHIC | colbq32025earningspresen004.jpg | GRAPHIC | 200410
11 | GRAPHIC | colbq32025earningspresen005.jpg | GRAPHIC | 138281
12 | GRAPHIC | colbq32025earningspresen006.jpg | GRAPHIC | 194528
13 | GRAPHIC | colbq32025earningspresen007.jpg | GRAPHIC | 174272
14 | GRAPHIC | colbq32025earningspresen008.jpg | GRAPHIC | 92179
15 | GRAPHIC | colbq32025earningspresen009.jpg | GRAPHIC | 131796
16 | GRAPHIC | colbq32025earningspresen010.jpg | GRAPHIC | 162471
17 | GRAPHIC | colbq32025earningspresen011.jpg | GRAPHIC | 139776
18 | GRAPHIC | colbq32025earningspresen012.jpg | GRAPHIC | 142033
19 | GRAPHIC | colbq32025earningspresen013.jpg | GRAPHIC | 90315
20 | GRAPHIC | colbq32025earningspresen014.jpg | GRAPHIC | 164025
21 | GRAPHIC | colbq32025earningspresen015.jpg | GRAPHIC | 106214
22 | GRAPHIC | colbq32025earningspresen016.jpg | GRAPHIC | 148063
23 | GRAPHIC | colbq32025earningspresen017.jpg | GRAPHIC | 129365
24 | GRAPHIC | colbq32025earningspresen018.jpg | GRAPHIC | 169188
25 | GRAPHIC | colbq32025earningspresen019.jpg | GRAPHIC | 145064
26 | GRAPHIC | colbq32025earningspresen020.jpg | GRAPHIC | 147164
27 | GRAPHIC | colbq32025earningspresen021.jpg | GRAPHIC | 205706
28 | GRAPHIC | colbq32025earningspresen022.jpg | GRAPHIC | 125163
29 | GRAPHIC | colbq32025earningspresen023.jpg | GRAPHIC | 126260
30 | GRAPHIC | colbq32025earningspresen024.jpg | GRAPHIC | 86618
31 | GRAPHIC | colbq32025earningspresen025.jpg | GRAPHIC | 155608
32 | GRAPHIC | colbq32025earningspresen026.jpg | GRAPHIC | 181751
33 | GRAPHIC | colbq32025earningspresen027.jpg | GRAPHIC | 149907
34 | GRAPHIC | colbq32025earningspresen028.jpg | GRAPHIC | 188023
35 | GRAPHIC | colbq32025earningspresen029.jpg | GRAPHIC | 104633
36 | GRAPHIC | colbq32025earningspresen030.jpg | GRAPHIC | 169334
37 | GRAPHIC | colbq32025earningspresen031.jpg | GRAPHIC | 176475
38 | GRAPHIC | colbq32025earningspresen032.jpg | GRAPHIC | 174723
39 | GRAPHIC | colbq32025earningspresen033.jpg | GRAPHIC | 139877
40 | GRAPHIC | columbiabankingsystemhoriza.gif | GRAPHIC | 2826
| Complete submission text file | 0000887343-25-000262.txt |  | 9184530

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
4 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | colb-20251030.xsd | EX-101.SCH | 1824
5 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | colb-20251030_lab.xml | EX-101.LAB | 21629
6 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | colb-20251030_pre.xml | EX-101.PRE | 12536
50 | EXTRACTED XBRL INSTANCE DOCUMENT | colb-20251030_htm.xml | XML | 2705

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.: 251436712
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)