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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000887343-18-000110
Filing Date
2018-07-02
Accepted
2018-07-02 16:58:30
Documents
1
Period of Report
2018-06-28

Document Format Files

Seq Description Document Type Size
1 FORM 4 wf-form4_153056509391302.html 4  
1 FORM 4 wf-form4_153056509391302.xml 4 3238
  Complete submission text file 0000887343-18-000110.txt   4530
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 121 SW SALMON STREET PORTLAND OR 97204
Business Address
Dietzler David A (Reporting) CIK: 0001351734 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-20288 | Film No.: 18933496