# Filing Detail

Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0000887343-20-000130
Filing Date
2020-04-17
Accepted
2020-04-17 15:09:28
Documents
22
Period of Report
2019-12-31
Effectiveness Date
2020-04-17

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | DEF 14A | columbiabankproxy2020.htm | DEF 14A | 1525309
2 |  | byinternet.jpg | GRAPHIC | 7933
3 |  | bymail.jpg | GRAPHIC | 4208
4 |  | byphone.jpg | GRAPHIC | 3080
5 |  | cbbug1cpms2935cutout8004x783.jpg | GRAPHIC | 219199
6 |  | clintestein1x1photo.jpg | GRAPHIC | 11333
7 |  | craigdeerkes1x1photo.jpg | GRAPHIC | 11437
8 |  | craigeerkesa01.jpg | GRAPHIC | 26462
9 |  | elizabethseaton1x1photo.jpg | GRAPHIC | 10271
10 |  | ericforrest1x1photoa01.jpg | GRAPHIC | 11439
11 |  | fordelsaesser1x1photoa01.jpg | GRAPHIC | 12173
12 |  | incentiveawardvestsched02.jpg | GRAPHIC | 39827
13 |  | janineterrano1x1photo.jpg | GRAPHIC | 11303
14 |  | kumia01.jpg | GRAPHIC | 9640
15 |  | maenumata1x1photo.jpg | GRAPHIC | 9299
16 |  | markafinkelstein1x1photo.jpg | GRAPHIC | 12293
17 |  | michellemlantow1x1photo.jpg | GRAPHIC | 9753
18 |  | proxycardpage1.jpg | GRAPHIC | 103531
19 |  | proxycardpage2.jpg | GRAPHIC | 72124
20 |  | randylund1x1photo.jpg | GRAPHIC | 9417
21 |  | steinsig.jpg | GRAPHIC | 50274
22 |  | thomasmhulbert1x1photo.jpg | GRAPHIC | 9819
| Complete submission text file | 0000887343-20-000130.txt |  | 2411846

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)

EIN.: 911422237 | State of Incorp.: WA | Fiscal Year End: 1231
Type: DEF 14A | Act: 34 | File No.: 000-20288 | Film No.: 20799224
SIC: 6022 State Commercial Banks