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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001193125-17-122004
Filing Date
2017-04-13
Accepted
2017-04-13 06:12:03
Documents
11
Effectiveness Date
2017-04-13

Document Format Files

Seq Description Document Type Size
1 DEFA14A d358049ddefa14a.htm DEFA14A 62298
2 GRAPHIC g358049notpg01a.jpg GRAPHIC 4667
3 GRAPHIC g358049notpg01b.jpg GRAPHIC 34705
4 GRAPHIC g358049notpg01c.jpg GRAPHIC 1626
5 GRAPHIC g358049notpg02a.jpg GRAPHIC 1791
6 GRAPHIC g358049notpg02b.jpg GRAPHIC 1643
7 GRAPHIC g358049notpg03a.jpg GRAPHIC 9641
8 GRAPHIC g358049notpg03b.jpg GRAPHIC 1640
9 GRAPHIC g358049notpg03c.jpg GRAPHIC 4381
10 GRAPHIC g358049notpg04a.jpg GRAPHIC 1297
11 GRAPHIC g358049notpg04b.jpg GRAPHIC 1642
  Complete submission text file 0001193125-17-122004.txt   151307
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.: 17759245
SIC: 6022 State Commercial Banks