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Filing Detail
Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0000887343-18-000068
Filing Date
2018-03-15
Accepted
2018-03-15 18:56:53
Documents
2
Period of Report
2018-03-11

Document Format Files

Seq Description Document Type Size
1 FORM 3 wf-form3_152115459885599.html 3  
1 FORM 3 wf-form3_152115459885599.xml 3 4188
2 POA DOW 3 11 2018 ex-24.htm EX-24 1674
  Complete submission text file 0000887343-18-000068.txt   7137
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: 3 | Act: 34 | File No.: 000-20288 | Film No.: 18693776