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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000887343-21-000106
Filing Date
2021-03-30
Accepted
2021-03-30 13:28:20
Documents
2
Period of Report
2021-03-26

Document Format Files

Seq Description Document Type Size
1 FORM 4 wf-form4_161712528830852.html 4  
1 FORM 4 wf-form4_161712528830852.xml 4 3036
2 POA L DOW ex-24.htm EX-24 1836
  Complete submission text file 0000887343-21-000106.txt   6253
Mailing Address 1301 A STREET TACOMA WA 98402
Business Address 1301 A STREET TACOMA WA 98402 2533051900
COLUMBIA BANKING SYSTEM, INC. (Issuer) CIK: 0000887343 (see all company filings)

IRS No.: 911422237 | State of Incorp.: WA | Fiscal Year End: 1231
SIC: 6022 State Commercial Banks

Mailing Address 1301 A STREET TACOMA WA 98402
Business Address
Dow Lisa (Reporting) CIK: 0001734557 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-20288 | Film No.: 21785381