SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0001193125-24-078789
Filing Date
2024-03-27
Accepted
2024-03-27 16:03:58
Documents
3

Document Format Files

Seq Description Document Type Size
1 DEFA14A d799891ddefa14a.htm DEFA14A 11124
2 GRAPHIC g799891g01x01.jpg GRAPHIC 358176
3 GRAPHIC g799891g02x02.jpg GRAPHIC 362645
  Complete submission text file 0001193125-24-078789.txt   1005320
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.: 24790541
SIC: 6022 State Commercial Banks
(CF Office: 02 Finance)