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4//SEC Filing

Roberts Kent 4

Accession 0001397948-11-000004

CIK 0000887343other

View on SEC.gov Company Profile

Filed

Mar 1, 7:00 PM ET

Accepted

Mar 2, 3:50 PM ET

Size

11.3 KB

Accession

0001397948-11-000004

Insider Transaction Report

Form 4

Period: 2011-02-28

COLUMBIA BANKING SYSTEM INCCOLB

Executive Vice President

Transactions

Sale
Common Stock
2011-02-28$19.97/sh−40$799→ 21,972 total
Sale
Common Stock
2011-02-28$19.97/sh−100$1,997→ 22,012 total
Sale
Common Stock
2011-02-28$19.96/sh−44$878→ 21,928 total
Sale
Common Stock
2011-02-28$19.99/sh−100$1,999→ 22,112 total
Sale
Common Stock
2011-02-28$19.99/sh−100$1,999→ 22,212 total

Holdings

Common Stock
(indirect: By 401(k))
5,269

Documents

1 file

4
edgar.xmlPrimary
PRIMARY DOCUMENT

Issuer

COLUMBIA BANKING SYSTEM INC

CIK 0000887343

Entity typeother

Related Parties

1

filerCIK 0001397948

Filing Metadata

Form type: 4
Filed: Mar 1, 7:00 PM ET
Accepted: Mar 2, 3:50 PM ET
Size: 11.3 KB

View on SEC.gov