# Filing Detail

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)

EIN.: 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