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Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0001193125-11-072579
Filing Date
2011-03-21
Accepted
2011-03-21 16:57:17
Documents
6
Period of Report
2011-04-27
Effectiveness Date
2011-03-21

Document Format Files

Seq Description Document Type Size
1 DEFINITIVE PROXY STATEMENT ddef14a.htm DEF 14A 565704
2 GRAPHIC g123777g30v33.jpg GRAPHIC 158425
3 GRAPHIC g123777g65q73.jpg GRAPHIC 6359
4 GRAPHIC g123777g75d06.jpg GRAPHIC 127863
5 GRAPHIC g123777g93x49.jpg GRAPHIC 8442
6 GRAPHIC g123777g97m20.jpg GRAPHIC 13347
  Complete submission text file 0001193125-11-072579.txt   1000673
Mailing Address 1102 BROADWAY PLAZA TACOMA WA 98402
Business Address 1102 BROADWAY PLAZA TACOMA WA 98402 2533051900
COLUMBIA BANKING SYSTEM INC (Filer) CIK: 0000887343 (see all company filings)

IRS No.: 911422237 | State of Incorp.: WA | Fiscal Year End: 1231
Type: DEF 14A | Act: 34 | File No.: 000-20288 | Film No.: 11701767
SIC: 6022 State Commercial Banks