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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549


FORM 8-K

CURRENT REPORT


Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934


Date of Report: November 13, 2023
(Date of earliest event reported)


Columbia Banking System, Inc.
(Exact Name of Registrant as Specified in Its Charter)
Washington000-2028891-1422237
(State or Other Jurisdiction of Incorporation or Organization)
(Commission File Number)
(I.R.S. Employer Identification Number)

1301 A Street
Tacoma, Washington 98402-2156
(address of Principal Executive Offices) (Zip Code)

(253) 305-1900
(Registrant's Telephone Number, Including Area Code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

[ ]    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

[ ]    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

[ ]    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

[ ]    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:
TITLE OF EACH CLASSTRADING SYMBOLNAME OF EXCHANGE
Common Stock, No Par ValueCOLBThe NASDAQ Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company [ ]

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. [ ]




Item 8.01 Other Events.

On November 13, 2023, Columbia Banking System, Inc., parent company of Umpqua Bank, announced its Board of Directors has approved a quarterly cash dividend in the amount of $0.36 per common share. The dividend is payable December 11, 2023, to shareholders of record as of November 24, 2023. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference in its entirety.

Item 9.01Financial Statements and Exhibits
  
(d)Exhibits.
 
104 Cover Page Interactive Data File (embedded within the Inline XBRL document)



SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 
COLUMBIA BANKING SYSTEM, INC.
(Registrant)
Dated: November 13, 2023
By:/s/ Kumi Yamamoto Baruffi
Kumi Yamamoto Baruffi
General Counsel