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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0001480001-12-000003
Filing Date
2012-02-13
Accepted
2012-02-13 16:24:27
Documents
2
Period of Report
2012-02-01

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT edgar.html 3  
1 PRIMARY DOCUMENT edgar.xml 3 2216
2 poamlantow.htm EX-24 125
  Complete submission text file 0001480001-12-000003.txt   3650
Mailing Address 1102 BROADWAY PLAZA TACOMA WA 98402
Business Address 1102 BROADWAY PLAZA 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 720 SW WASHINGTON STREET, SUITE 550 PORTLAND OR 97205
Business Address
Lantow Michelle (Reporting) CIK: 0001480001 (see all company filings)

Type: 3 | Act: 34 | File No.: 000-20288 | Film No.: 12599416