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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000887343-21-000065
Filing Date
2021-02-26
Accepted
2021-02-26 16:06:53
Documents
159
Period of Report
2020-12-31

Document Format Files

Seq Description Document Type Size
1 10-K colb-20201231.htm   iXBRL 10-K 5814898
2 LAWSON - CHANGE IN CONTROL AGREEMENT 2020 colb2020ex1021davelawsonsi.htm EX-10.21 46983
3 DOW - CHANGE IN CONTROL AGREEMENT 2020 colb2020ex1022dowlisacicef.htm EX-10.22 47521
4 MERRYWELL - SPLIT DOLLAR AGREEMENT 2013 colb2020ex1058splitdollarm.htm EX-10.58 52859
5 MERRYWELL - 1ST AMENDMENT TO SPLIT DOLLAR AGREEMENT 2020 colb2020ex1059merrywell1st.htm EX-10.59 10414
6 DEER - 3X SPLIT DOLLAR AGREEMENT 2020 colb2020ex1060deer3xsalary.htm EX-10.60 57941
7 EID - SUPPLEMENTAL COMPENSATION AGREEMENT - 2011 colb2020ex1061scaericeid22.htm EX-10.61 93106
8 MOORE DEVINE - SPLIT DOLLAR AGREEMENT - 2020 colb2020ex1062splitdollarm.htm EX-10.62 44276
9 EID - SPLIT DOLLAR AGREEMENT - 2011 colb2020ex1063splitdollare.htm EX-10.63 46842
10 EID - SUPPLEMENTAL COMPENSATION AGREEMENT - 2014 colb2020ex1064scaericeid22.htm EX-10.64 121222
11 MERRYWELL - SUPPLEMENTAL COMPENSATION AGREEMENT - 2015 colb2020ex1065scamerrywell.htm EX-10.65 129177
12 MERRYWELL - SUPPLEMENTAL COMPENSATION AGREEMENT - 2018 colb2020ex1066scamerrywell.htm EX-10.66 125350
13 MOORE DEVINE - SUPPLEMENTAL COMPENSATION AGREEMENT - 2019 colb2020ex1067scamooredevi.htm EX-10.67 127513
14 SUBSIDIARIES OF THE COMPANY colb2020ex21.htm EX-21 5921
15 CONSENT OF DELOITTE & TOUCHE LLP colb2020ex23.htm EX-23 2942
16 POWER OF ATTORNEY colb2020ex24.htm EX-24 17841
17 CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 colb2020ex311.htm EX-31.1 9681
18 CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 colb2020ex312.htm EX-31.2 9719
19 CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 colb2020ex32.htm EX-32 5392
25 PERFORMANCE GRAPH colb-20201231_g1.jpg GRAPHIC 114235
  Complete submission text file 0000887343-21-000065.txt   25305713

Data Files

Seq Description Document Type Size
20 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT colb-20201231.xsd EX-101.SCH 116924
21 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT colb-20201231_cal.xml EX-101.CAL 176343
22 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT colb-20201231_def.xml EX-101.DEF 842575
23 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT colb-20201231_lab.xml EX-101.LAB 1325988
24 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT colb-20201231_pre.xml EX-101.PRE 1008925
26 EXTRACTED XBRL INSTANCE DOCUMENT colb-20201231_htm.xml XML 5588944
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)

IRS No.: 911422237 | State of Incorp.: WA | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 000-20288 | Film No.: 21688750
SIC: 6022 State Commercial Banks