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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001140361-22-010107
Filing Date
2022-03-18
Accepted
2022-03-18 15:21:23
Documents
3

Document Format Files

Seq Description Document Type Size
1 DEFA14A ny20002429x2_defa14a.htm DEFA14A 16278
2 ny20002429x2_nc01.jpg GRAPHIC 1914417
3 ny20002429x2_nc02.jpg GRAPHIC 1619992
  Complete submission text file 0001140361-22-010107.txt   4582437
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: DEFA14A | Act: 34 | File No.: 000-20288 | Film No.: 22752242
SIC: 6022 State Commercial Banks