Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000887343-25-000268
Filing Date
2025-11-06
Accepted
2025-11-05 17:35:11
Documents
93
Period of Report
2025-09-30

Document Format Files

Seq Description Document Type Size
1 10-Q colb-20250930.htm   iXBRL 10-Q 4873422
2 CERTIFICATION OF CHIEF EXECUTIVE OFFICER colb-20250930xex311.htm EX-31.1 7966
3 CERTIFICATION OF CHIEF FINANCIAL OFFICER colb-20250930xex312.htm EX-31.2 8092
4 CERTIFICATION OF PRINCIPAL ACCOUNTING OFFICER colb-20250930xex313.htm EX-31.3 8074
5 CERTIFICATION OF CEO, CFO, AND PAO colb-20250930xex32.htm EX-32 7737
  Complete submission text file 0000887343-25-000268.txt   22995904

Data Files

Seq Description Document Type Size
6 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT colb-20250930.xsd EX-101.SCH 63734
7 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT colb-20250930_cal.xml EX-101.CAL 134137
8 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT colb-20250930_def.xml EX-101.DEF 490876
9 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT colb-20250930_lab.xml EX-101.LAB 941257
10 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT colb-20250930_pre.xml EX-101.PRE 734789
95 EXTRACTED XBRL INSTANCE DOCUMENT colb-20250930_htm.xml XML 6300551
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.: 251455296
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)