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Filing Detail
Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0001140361-18-018485
Filing Date
2018-04-13
Accepted
2018-04-13 13:10:56
Documents
26
Period of Report
2018-05-23
Effectiveness Date
2018-04-13

Document Format Files

Seq Description Document Type Size
1 DEF 14A formdef14a.htm DEF 14A 1388400
2 image0.jpg GRAPHIC 15115
3 image1.jpg GRAPHIC 8160
4 image2.jpg GRAPHIC 7942
5 image3.jpg GRAPHIC 10603
6 image11.jpg GRAPHIC 13265
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8 image13.jpg GRAPHIC 14232
9 image14.jpg GRAPHIC 13908
10 image15.jpg GRAPHIC 12324
11 image16.jpg GRAPHIC 12342
12 image17.jpg GRAPHIC 13231
13 image18.jpg GRAPHIC 13299
14 image19.jpg GRAPHIC 11470
15 image20.jpg GRAPHIC 11182
16 image21.jpg GRAPHIC 12406
17 image22.jpg GRAPHIC 9363
18 image23.jpg GRAPHIC 12068
19 image24.jpg GRAPHIC 12857
20 image25.jpg GRAPHIC 26664
21 image00030.jpg GRAPHIC 67436
22 image00031.jpg GRAPHIC 99868
23 image00033.jpg GRAPHIC 53235
24 image00036.jpg GRAPHIC 50701
25 image00037.jpg GRAPHIC 97078
26 image00038.jpg GRAPHIC 37446
  Complete submission text file 0001140361-18-018485.txt   2286092
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: DEF 14A | Act: 34 | File No.: 000-20288 | Film No.: 18753809
SIC: 6022 State Commercial Banks