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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001193125-16-506166
Filing Date
2016-03-16
Accepted
2016-03-16 11:38:08
Documents
3
Effectiveness Date
2016-03-16

Document Format Files

Seq Description Document Type Size
1 DEFA14A d150343ddefa14a.htm DEFA14A 50275
2 GRAPHIC g150343im1.jpg GRAPHIC 5860
3 GRAPHIC g150343im2.jpg GRAPHIC 2885
  Complete submission text file 0001193125-16-506166.txt   63543
Mailing Address 1301 A STREET TACOMA WA 98402
Business Address 1301 A STREET 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: DEFA14A | Act: 34 | File No.: 000-20288 | Film No.: 161508931
SIC: 6022 State Commercial Banks