Form 8-K - Current report:
SEC Accession No. 0001193125-25-193405
Filing Date
2025-09-02
Accepted
2025-09-02 08:01:28
Documents
15
Period of Report
2025-09-02
Items
Item 2.01: Completion of Acquisition or Disposition of Assets
Item 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K d21865d8k.htm   iXBRL 8-K 47831
2 EX-10.1 d21865dex101.htm EX-10.1 34747
3 EX-99.1 d21865dex991.htm EX-99.1 7529
7 GRAPHIC g21865g0828035939608.jpg GRAPHIC 4826
  Complete submission text file 0001193125-25-193405.txt   227594

Data Files

Seq Description Document Type Size
4 XBRL TAXONOMY EXTENSION SCHEMA colb-20250902.xsd EX-101.SCH 2890
5 XBRL TAXONOMY EXTENSION LABEL LINKBASE colb-20250902_lab.xml EX-101.LAB 17233
6 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE colb-20250902_pre.xml EX-101.PRE 10838
17 EXTRACTED XBRL INSTANCE DOCUMENT d21865d8k_htm.xml XML 3476
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.: 251283011
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)