Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000887343-25-000054
Filing Date
2025-02-25
Accepted
2025-02-25 16:32:00
Documents
184
Period of Report
2024-12-31

Document Format Files

Seq Description Document Type Size
1 10-K colb-20241231.htm   iXBRL 10-K 6142233
2 AMENDED AND RESTATED BYLAWS OF COLUMBIA BANKING SYSTEM, INC. colb-20241231xex32arbylaws.htm EX-3.2 197238
3 FORM OF PARTICIPATION AGREEMENT colb-20241231xex1081partic.htm EX-10.81 30533
4 FORM OF FIRST AMENDMENT TO THE FIRST AMENDED AND RESTATED SPLIT DOLLAR AGRMT colb-20241231xex1082ammtch.htm EX-10.82 19875
5 FIRST AMENDMENT TO THE FIRST AMENDED AND RESTATED SPLIT DOLLAR AGRMT - DEER colb-20241231xex1083deeram.htm EX-10.83 20851
6 FIRST AMENDMENT TO THE FIRST AMENDED AND RESTATED SPLIT DOLLAR AGRMT- MERRYWELL colb-20241231xex1084merryw.htm EX-10.84 20266
7 FIRST AMENDMENT TO THE FIRST AMENDED AND RESTATED SPLIT DOLLAR AGRMT - DEVINE colb-20241231xex1085moored.htm EX-10.85 20355
8 FIRST AMENDMENT TO THE UMPQUA BANK SPLIT DOLLAR AGREEMENT - BARUFFI colb-20241231xex1086baruff.htm EX-10.86 22464
9 THIRD AMENDMENT TO THE UMPQUA BANK SPLIT DOLLAR AGREEMENT - BARUFFI colb-20241231xex1087baruff.htm EX-10.87 13604
10 THIRD AMENDMENT TO THE UMPQUA BANK SPLIT DOLLAR AGREEMENT - DOW colb-20241231xex1088dow3xj.htm EX-10.88 22537
11 FIRST AMENDMENT TO THE UMPQUA BANK SPLIT DOLLAR AGREEMENT - DOW colb-20241231xex1089dow10x.htm EX-10.89 13585
12 THIRD AMENDMENT TO THE UMPQUA BANK JOINT BENEFICIARY AGREEMENT - STEIN colb-20241231xex1090stein3.htm EX-10.90 22403
13 FIRST AMENDMENT TO THE FIRST AMENDED AND RESTATED SPLIT DOLLAR AGRMT - STEIN colb-20241231xex1091stein1.htm EX-10.91 14224
14 UMPQUA BANK ENDORSEMENT METHOD SPLIT DOLLAR AGRMT - FARNSWORTH colb-20241231xex1092farnsw.htm EX-10.92 84528
15 INSIDER TRADING POLICY AND PROCEDURES colb-20241231xex191x10k.htm EX-19.1 84067
16 SUBSIDIARIES OF THE REGISTRANT colb-20241231xex211x10k.htm EX-21.1 15506
17 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM - DELOITTE & TOUCHE LLP colb-20241231xex231x10k.htm EX-23.1 3078
18 CERTIFICATION OF CHIEF EXECUTIVE OFFICER UNDER SECTION 302 colb-20241231xex311.htm EX-31.1 8073
19 CERTIFICATION OF CHIEF FINANCIAL OFFICER UNDER SECTION 302 colb-20241231xex312.htm EX-31.2 8199
20 CERTIFICATION OF PRINCIPAL ACCOUNTING OFFICER UNDER SECTION 302 colb-20241231xex313.htm EX-31.3 8181
21 CERTIFICATION OF CEO, CFO, AND PAO PURSUANT TO SECTION 906 colb-20241231xex32.htm EX-32 7864
22 POLICY FOR THE RECOVERY OF ERRONEOUSLY AWARDED INCENTIVE-BASED COMPENSATION colb-20241231xex971.htm EX-97.1 24582
28 GRAPHIC colb-20241231_g1.jpg GRAPHIC 117468
  Complete submission text file 0000887343-25-000054.txt   31325113

Data Files

Seq Description Document Type Size
23 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT colb-20241231.xsd EX-101.SCH 138219
24 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT colb-20241231_cal.xml EX-101.CAL 194932
25 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT colb-20241231_def.xml EX-101.DEF 739841
26 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT colb-20241231_lab.xml EX-101.LAB 1507859
27 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT colb-20241231_pre.xml EX-101.PRE 1183246
187 EXTRACTED XBRL INSTANCE DOCUMENT colb-20241231_htm.xml XML 7516153
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-K | Act: 34 | File No.: 000-20288 | Film No.: 25663883
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)