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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001480001-12-000005
Filing Date
2012-09-26
Accepted
2012-09-26 16:04:01
Documents
2
Period of Report
2012-09-24

Document Format Files

Seq Description Document Type Size
1 PRIMARY DOCUMENT edgar.html 4  
1 PRIMARY DOCUMENT edgar.xml 4 3034
2 POWER OF ATTORNEY poamlantow.htm EX-24 156
  Complete submission text file 0001480001-12-000005.txt   4488
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 720 SW WASHINGTON STREET, SUITE 550 PORTLAND OR 97205
Business Address
Lantow Michelle (Reporting) CIK: 0001480001 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-20288 | Film No.: 121111143