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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001193125-21-198112
Filing Date
2021-06-24
Accepted
2021-06-24 09:13:58
Documents
30
Period of Report
2021-06-23
Items
Item 1.01: Entry into a Material Definitive Agreement
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 8-K d165081d8k.htm   iXBRL 8-K 44906
2 EX-2.1 d165081dex21.htm EX-2.1 456571
3 EX-99.1 d165081dex991.htm EX-99.1 23479
4 EX-99.2 d165081dex992.htm EX-99.2 41102
8 GRAPHIC g165081ex99_2p10g1.jpg GRAPHIC 184231
9 GRAPHIC g165081ex99_2p11g1.jpg GRAPHIC 149428
10 GRAPHIC g165081ex99_2p12g1.jpg GRAPHIC 139943
11 GRAPHIC g165081ex99_2p13g1.jpg GRAPHIC 80341
12 GRAPHIC g165081ex99_2p1g1.jpg GRAPHIC 199419
13 GRAPHIC g165081ex99_2p2g1.jpg GRAPHIC 321473
14 GRAPHIC g165081ex99_2p3g1.jpg GRAPHIC 172585
15 GRAPHIC g165081ex99_2p4g1.jpg GRAPHIC 234361
16 GRAPHIC g165081ex99_2p5g1.jpg GRAPHIC 197238
17 GRAPHIC g165081ex99_2p6g1.jpg GRAPHIC 237507
18 GRAPHIC g165081ex99_2p7g1.jpg GRAPHIC 81090
19 GRAPHIC g165081ex99_2p8g1.jpg GRAPHIC 133697
20 GRAPHIC g165081ex99_2p9g1.jpg GRAPHIC 110608
21 GRAPHIC g165081g0624065618488.jpg GRAPHIC 2408
22 GRAPHIC g165081g0624065618691.jpg GRAPHIC 4159
  Complete submission text file 0001193125-21-198112.txt   3918327

Data Files

Seq Description Document Type Size
5 XBRL TAXONOMY EXTENSION SCHEMA colb-20210623.xsd EX-101.SCH 2903
6 XBRL TAXONOMY EXTENSION LABEL LINKBASE colb-20210623_lab.xml EX-101.LAB 17373
7 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE colb-20210623_pre.xml EX-101.PRE 10960
23 EXTRACTED XBRL INSTANCE DOCUMENT d165081d8k_htm.xml XML 3222
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: 8-K | Act: 34 | File No.: 000-20288 | Film No.: 211040998
SIC: 6022 State Commercial Banks