Form 8-K - Current report:
SEC Accession No. 0000887343-25-000229
Filing Date
2025-08-06
Accepted
2025-08-06 16:49:01
Documents
14
Period of Report
2025-08-06
Items
Item 7.01: Regulation FD Disclosure
Item 8.01: Other Events
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K colb-20250806.htm   iXBRL 8-K 38929
2 EX-99.1 ex991jointpressreleaseofcb.htm EX-99.1 22129
6 image_0a.jpg GRAPHIC 124558
  Complete submission text file 0000887343-25-000229.txt   359185

Data Files

Seq Description Document Type Size
3 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT colb-20250806.xsd EX-101.SCH 1824
4 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT colb-20250806_lab.xml EX-101.LAB 21629
5 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT colb-20250806_pre.xml EX-101.PRE 12536
16 EXTRACTED XBRL INSTANCE DOCUMENT colb-20250806_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.: 251190401
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)