COLB reports Q3 2025 results and furnishes investor presentation

Rhea-AI Filing Summary

Columbia Banking System (COLB) reported that it issued a press release announcing its third quarter 2025 financial results. The company also released an investor slide presentation to be discussed on its earnings conference call on October 30, 2025.

The press release is furnished as Exhibit 99.1 and the presentation as Exhibit 99.2; these materials are not deemed filed under the Exchange Act. Final financial statements for the quarter ended September 30, 2025 will be included in the upcoming Form 10‑Q.

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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: October 30, 2025

(Date of earliest event reported)

Columbia Banking System, Inc.

(Exact Name of Registrant as Specified in Its Charter)

 

Washington			000-20288			91-1422237
(State or Other Jurisdiction of Incorporation or Organization)			(Commission File Number)			(I.R.S. Employer Identification Number)

1301 A Street

Tacoma, Washington 98402-4200

(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 CLASS			TRADING SYMBOL			NAME OF EXCHANGE
Common Stock, No Par Value			COLB			The 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 2.02 Results of Operations and Financial Condition.

On October 30, 2025, Columbia Banking System, Inc. issued a press release announcing third quarter 2025 financial results. The release is attached hereto as Exhibit 99.1. Columbia Banking System, Inc. will include final financial statements and additional analyses for the quarter ended September 30, 2025 as part of its quarterly report on Form 10-Q covering that period. The information contained in this paragraph, as well as Exhibit 99.1 referenced herein, shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”).

 

Item 7.01 Regulation FD Disclosure.

On October 30, 2025, Columbia Banking System, Inc. issued an investor slide presentation that it intends to review in conjunction with its earnings release conference call on October 30, 2025. The slides attached hereto as Exhibit 99.2 to this report and shall not be deemed to be "filed" for the purposes of Section 18 of the Exchange Act, or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01			Financial Statements and Exhibits.
(d)			EXHIBITS
			99.1 Press Release announcing third quarter 2025 financial results dated October 30, 2025
			99.2 Third Quarter 2025 Investor Presentation
			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: October 30, 2025			By: /s/ Ronald L. Farnsworth        Ronald L. Farnsworth       Executive Vice President/Chief Financial Officer

FAQ

What did COLB announce in this 8-K?

Columbia Banking System issued a press release with third quarter 2025 financial results and released an investor presentation.

Which period do the results cover for COLB?

The results relate to the quarter ended September 30, 2025.

Are the press release and slides considered filed with the SEC?

No. Exhibit 99.1 and Exhibit 99.2 are furnished and not deemed filed under the Exchange Act.

When is the COLB earnings call referenced here?

The presentation is intended for review in conjunction with the earnings release conference call on October 30, 2025.

Where will COLB’s final Q3 2025 financial statements appear?

They will be included in the company’s Form 10‑Q for the quarter ended September 30, 2025.

What exhibits accompany this 8-K for COLB?

Exhibit 99.1 is the Q3 2025 press release and Exhibit 99.2 is the Q3 2025 investor presentation.

What is COLB’s trading symbol and exchange?

COLB trades on The Nasdaq Stock Market LLC.