0001056916-11-000001.txt : 20110426 0001056916-11-000001.hdr.sgml : 20110426 20110426211212 ACCESSION NUMBER: 0001056916-11-000001 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110425 FILED AS OF DATE: 20110426 DATE AS OF CHANGE: 20110426 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: COLUMBIA BANKING SYSTEM INC CENTRAL INDEX KEY: 0000887343 STANDARD INDUSTRIAL CLASSIFICATION: STATE COMMERCIAL BANKS [6022] IRS NUMBER: 911422237 STATE OF INCORPORATION: WA FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1102 BROADWAY PLAZA CITY: TACOMA STATE: WA ZIP: 98402 BUSINESS PHONE: 2533051900 MAIL ADDRESS: STREET 1: 1102 BROADWAY PLAZA CITY: TACOMA STATE: WA ZIP: 98402 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: WEYERHAEUSER WILLIAM T CENTRAL INDEX KEY: 0001056916 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-20288 FILM NUMBER: 11781471 MAIL ADDRESS: STREET 1: PO BOX 1278 CITY: TACOMA STATE: WA ZIP: 98401 4 1 edgar.xml PRIMARY DOCUMENT X0303 4 2011-04-25 0000887343 COLUMBIA BANKING SYSTEM INC COLB 0001056916 WEYERHAEUSER WILLIAM T 1301 A STREET, STE. 800 TACOMA WA 98402-4200 1 0 0 0 Common Stock 2011-04-25 4 M 0 1050 14.40 A 15497 D Common Stock 223249 I WBW Trust #1 Non-qualitifed Stock Option (Right to Buy) 14.40 2011-04-25 4 M 0 1050 18.86 D 2006-04-23 2011-04-23 Common Stock 1050 0 D Cathleen L Dent 2011-04-26