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Filing Detail
Form 10-K/A - Annual report [Section 13 and 15(d), not S-K Item 405]: [Amend]
SEC Accession No. 0001193125-11-288585
Filing Date
2011-10-31
Accepted
2011-10-31 15:33:27
Documents
4
Period of Report
2010-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K AMENDMENT NO. 1 d250751d10ka.htm 10-K/A 362908
2 SECTION 302 CEO CERTIFICATION d250751dex311.htm EX-31.1 6245
3 SECTION 302 CFO CERTIFICATION d250751dex312.htm EX-31.2 6489
4 SECTION 906 CEO AND CFO CERTIFICATION d250751dex32.htm EX-32 4612
  Complete submission text file 0001193125-11-288585.txt   381224
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: 10-K/A | Act: 34 | File No.: 000-20288 | Film No.: 111168148
SIC: 6022 State Commercial Banks