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Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0000887343-20-000131
Filing Date
2020-04-17
Accepted
2020-04-17 15:11:50
Documents
5
Effectiveness Date
2020-04-17

Document Format Files

Seq Description Document Type Size
1 DEFA14A defa14a2019proxy.htm DEFA14A 15424
2 proxyntcpage3a001.jpg GRAPHIC 28635
3 proxyntcpage0a01.jpg GRAPHIC 132774
4 proxyntcpage1a01.jpg GRAPHIC 218592
5 proxyntcpage2a01.jpg GRAPHIC 83177
  Complete submission text file 0000887343-20-000131.txt   654689
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.: 20799232
SIC: 6022 State Commercial Banks