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Filing Detail
Form 424B3 - Prospectus [Rule 424(b)(3)]:
SEC Accession No. 0001193125-10-096736
Filing Date
2010-04-28
Accepted
2010-04-28 16:34:54
Documents
2

Document Format Files

Seq Description Document Type Size
1 PRELIMINARY PROSPECTUS SUPPLEMENT d424b3.htm 424B3 486329
2 GRAPHIC g75385g44d88.jpg GRAPHIC 11440
  Complete submission text file 0001193125-10-096736.txt   503583
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: 424B3 | Act: 33 | File No.: 333-166017 | Film No.: 10777328
SIC: 6022 State Commercial Banks