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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0001193125-10-100428
Filing Date
2010-04-30
Accepted
2010-04-30 06:08:52
Documents
5
Period of Report
2010-04-29
Items
Item 1.01: Entry into a Material Definitive Agreement
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq Description Document Type Size
1 FORM 8-K d8k.htm 8-K 20630
2 UNDERWRITING AGREEMENT, DATED APRIL 29, 2010 dex11.htm EX-1.1 149293
3 OPINION OF GRAHAM & DUNN PC dex51.htm EX-5.1 7152
4 PRESS RELEASE dex991.htm EX-99.1 7912
5 GRAPHIC g34718g31e14.jpg GRAPHIC 7718
  Complete submission text file 0001193125-10-100428.txt   197302
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: 8-K | Act: 34 | File No.: 000-20288 | Film No.: 10783807
SIC: 6022 State Commercial Banks