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Mailing Address 1301 A STREET TACOMA WA 98402
Business Address 1301 A STREET TACOMA WA 98402 2533051900
COLUMBIA BANKING SYSTEM, INC. CIK#: 0000887343 (see all company filings)

SIC: 6022 - STATE COMMERCIAL BANKS
State location: WA | State of Inc.: WA | Fiscal Year End: 1231
formerly: COLUMBIA BANKING SYSTEM INC (filings through 2019-05-03)
(CF Office: 02 Finance)
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Items 1 - 40  0000887343 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, and 9.01
Acc-no: 0000887343-24-000178 (34 Act)  Size: 8 MB
2024-04-25 000-20288
24876899
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0000887343-24-000171 (34 Act)  Size: 17 KB
2024-04-08 000-20288
24830069
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0000887343-24-000168 (34 Act)  Size: 169 KB
2024-04-01 000-20288
24808340
ARS  Documents Annual Report to Security Holders
Acc-no: 0000887343-24-000165 (34 Act)  Size: 21 MB
2024-03-27 000-20288
24790933
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001193125-24-078789 (34 Act)  Size: 1 MB
2024-03-27 000-20288
24790541
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001193125-24-078782 (34 Act)  Size: 7 MB
2024-03-27 000-20288
24790512
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0000887343-24-000112 (34 Act)  Size: 7 MB
2024-03-05 000-20288
24716568
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0000887343-24-000111 (34 Act)  Size: 7 MB
2024-03-04 000-20288
24716564
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000887343-24-000089 (34 Act)  Size: 27 MB
2024-02-27 000-20288
24687457
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-24-020647 (34 Act)  Size: 13 KB
2024-02-13 005-50084
24627890
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0000887343-24-000052 (34 Act)  Size: 168 KB
2024-02-09 000-20288
24614146
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000354204-24-003141 (34 Act)  Size: 19 KB
2024-02-09 005-50084
24612383
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001023875-24-000009 (34 Act)  Size: 94 KB
2024-01-30 005-50084
24576863
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001086364-24-003208 (34 Act)  Size: 13 KB
2024-01-25 005-50084
24560987
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, and 9.01
Acc-no: 0000887343-24-000024 (34 Act)  Size: 9 MB
2024-01-24 000-20288
24556907
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000093751-24-000031 (34 Act)  Size: 8 KB
2024-01-22 005-50084
24547294
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0000887343-23-000313 (34 Act)  Size: 171 KB
2023-12-29 000-20288
231526676
8-K  Documents   Interactive Data Current report, item 9.01
Acc-no: 0000887343-23-000310 (34 Act)  Size: 168 KB
2023-11-13 000-20288
231397202
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000887343-23-000307 (34 Act)  Size: 21 MB
2023-11-03 000-20288
231376879
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, and 9.01
Acc-no: 0000887343-23-000304 (34 Act)  Size: 9 MB
2023-10-18 000-20288
231332529
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0000887343-23-000301 (34 Act)  Size: 171 KB
2023-09-29 000-20288
231294227
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0000887343-23-000298 (34 Act)  Size: 168 KB
2023-08-14 000-20288
231168071
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000887343-23-000295 (34 Act)  Size: 21 MB
2023-08-03 000-20288
231140927
S-8  Documents Securities to be offered to employees in employee benefit plans
Acc-no: 0001193125-23-193532 (33 Act)  Size: 1 MB
2023-07-25 333-273424
231109345
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, and 9.01
Acc-no: 0000887343-23-000291 (34 Act)  Size: 8 MB
2023-07-19 000-20288
231097029
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0000887343-23-000279 (34 Act)  Size: 174 KB
2023-06-30 000-20288
231060465
11-K  Documents Annual report of employee stock purchase, savings and similar plans
Acc-no: 0000887343-23-000276 (34 Act)  Size: 218 KB
2023-06-28 000-20288
231050476
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0000887343-23-000274 (34 Act)  Size: 154 KB
2023-06-27 000-20288
231048087
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0000887343-23-000253 (34 Act)  Size: 209 KB
2023-05-23 000-20288
23947917
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0000887343-23-000227 (34 Act)  Size: 186 KB
2023-05-15 000-20288
23923705
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000887343-23-000220 (34 Act)  Size: 24 MB
2023-05-09 000-20288
23903375
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, and 9.01
Acc-no: 0000887343-23-000214 (34 Act)  Size: 8 MB
2023-04-26 000-20288
23850240
ARS  Documents Annual Report to Security Holders
Acc-no: 0001193125-23-094102 (34 Act)  Size: 11 MB
2023-04-06 000-20288
23806775
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001140361-23-017024 (34 Act)  Size: 1 MB
2023-04-06 000-20288
23806293
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001140361-23-017022 (34 Act)  Size: 11 MB
2023-04-06 000-20288
23806285
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0000887343-23-000208 (34 Act)  Size: 174 KB
2023-04-03 000-20288
23791761
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001306550-23-008763 (34 Act)  Size: 13 KB
2023-03-08 005-50084
23715540
8-K/A  Documents   Interactive Data [Amend] Current report, item 9.01
Acc-no: 0001193125-23-060197 (34 Act)  Size: 432 KB
2023-03-03 000-20288
23705838
S-8  Documents Securities to be offered to employees in employee benefit plans
Acc-no: 0001193125-23-056487 (33 Act)  Size: 310 KB
2023-03-01 333-270191
23694637
8-K  Documents   Interactive Data Current report, items 2.01, 2.03, 5.02, 5.03, 8.01, and 9.01
Acc-no: 0001193125-23-056342 (34 Act)  Size: 942 KB
2023-03-01 000-20288
23693695