# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000887343-25-000233
Filing Date
2025-08-06
Accepted
2025-08-06 17:15:18
Documents
86
Period of Report
2025-06-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | colb-20250630.htm iXBRL | 10-Q | 4912692
2 | AMENDED AND RESTATED BYLAWS | colb-20250630xex32arbylaws.htm | EX-3.2 | 200313
3 | CERTIFICATION OF CHIEF EXECUTIVE OFFICER | colb-20250630xex311.htm | EX-31.1 | 7964
4 | CERTIFICATION OF CHIEF FINANCIAL OFFICER | colb-20250630xex312.htm | EX-31.2 | 8090
5 | CERTIFICATION OF PRINCIPAL ACCOUNTING OFFICER | colb-20250630xex313.htm | EX-31.3 | 8072
6 | CERTIFICATION OF CEO, CFO, AND PAO | colb-20250630xex32.htm | EX-32 | 7725
| Complete submission text file | 0000887343-25-000233.txt |  | 22530889

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
7 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | colb-20250630.xsd | EX-101.SCH | 57247
8 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | colb-20250630_cal.xml | EX-101.CAL | 135728
9 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | colb-20250630_def.xml | EX-101.DEF | 432212
10 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | colb-20250630_lab.xml | EX-101.LAB | 875201
11 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | colb-20250630_pre.xml | EX-101.PRE | 670123
89 | EXTRACTED XBRL INSTANCE DOCUMENT | colb-20250630_htm.xml | XML | 6301562

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: 10-Q | Act: 34 | File No.: 000-20288 | Film No.: 251190662
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)