Columbia Banking System (NASDAQ: COLB) sets Q3 2025 earnings call date

Rhea-AI Filing Summary

Columbia Banking System, Inc. filed a report stating it will host a quarterly earnings conference call on October 30, 2025 at 2:00 p.m. PT (5:00 p.m. ET). During the call, management plans to discuss the company’s third quarter 2025 financial results and provide an update on recent activities. The company issued a press release with access details for the call, which is included as an exhibit to the report.

8-K Event Classification

2 items: 7.01, 9.01

2 items

Item 7.01 Regulation FD Disclosure Disclosure

Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

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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: August 29, 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 7.01 Regulation FD Disclosure

On August 29, 2025, Columbia Banking System, Inc. announced that it will conduct a quarterly earnings conference call on Thursday, October 30, 2025, at 2:00 p.m. PT (5:00 p.m. ET). During the call, management will discuss Columbia’s third quarter 2025 financial results and provide an update on recent activities. The press release announcing the conference call information is attached as Exhibit 99.1 and incorporated herein by reference.

Item 9.01			Financial Statements and Exhibits
(d)			Exhibits.
			99.1 Press Release Announcing Quarterly Earnings Conference Call
			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: August 29, 2025			By:/s/ Kumi Yamamoto Baruffi      Kumi Yamamoto Baruffi      Executive Vice President, General Counsel

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FAQ

What did Columbia Banking System (COLB) disclose in this 8-K filing?

Columbia Banking System, Inc. disclosed that it will hold a quarterly earnings conference call where management will discuss third quarter 2025 financial results and recent activities.

When is Columbia Banking System’s Q3 2025 earnings conference call?

The earnings conference call is scheduled for Thursday, October 30, 2025, at 2:00 p.m. PT (5:00 p.m. ET).

What will be covered on Columbia Banking System’s upcoming earnings call?

Management will discuss third quarter 2025 financial results and provide an update on recent activities of Columbia Banking System, Inc.

Where can investors find details on how to join the Columbia Banking System earnings call?

Details on how to join the earnings conference call are provided in the press release attached as Exhibit 99.1 to the report.

Does this Columbia Banking System 8-K include financial results?

No financial results are included in this report; it only states that third quarter 2025 results will be discussed during the October 30, 2025 conference call.

What exhibit is attached to this Columbia Banking System (COLB) 8-K?

The filing includes Exhibit 99.1, a press release announcing the quarterly earnings conference call, and an Inline XBRL cover page data file listed as Exhibit 104.