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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001140361-19-006948
Filing Date
2019-04-12
Accepted
2019-04-11 17:39:19
Documents
5
Effectiveness Date
2019-04-12

Document Format Files

Seq Description Document Type Size
1 DEFA14A nc10000953x1_defa14a.htm DEFA14A 23554
2 nc10000953x1_pc01.jpg GRAPHIC 131631
3 nc10000953x1_pc02.jpg GRAPHIC 210402
4 nc10000953x1_pc03.jpg GRAPHIC 85199
5 nc10000953x1_pc04.jpg GRAPHIC 16679
  Complete submission text file 0001140361-19-006948.txt   636512
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.: 19744573
SIC: 6022 State Commercial Banks