Columbia Banking System Files 8-K

Ticker: COLB · Form: 8-K · Filed: Aug 15, 2025 · CIK: 887343

Columbia Banking System, INC. 8-K Filing Summary
FieldDetail
CompanyColumbia Banking System, INC. (COLB)
Form Type8-K
Filed DateAug 15, 2025
Risk Levellow
Pages2
Reading Time2 min
Key Dollar Amounts$0.36
Sentimentneutral

Sentiment: neutral

Topics: corporate-filing, regulatory-update

TL;DR

Columbia Banking System filed an 8-K on 8/15/25 with corporate details.

AI Summary

Columbia Banking System, Inc. filed an 8-K on August 15, 2025, reporting other events and financial statements. The filing details the company's principal executive offices located at 1301 A Street, Tacoma, Washington, 98402-4200, and its telephone number is (253) 305-1900. The company was incorporated in Washington and its fiscal year ends on December 31.

Why It Matters

This filing provides an update on Columbia Banking System, Inc.'s corporate information and regulatory disclosures, which is important for investors and stakeholders to stay informed about the company's status.

Risk Assessment

Risk Level: low — The filing is a routine corporate disclosure and does not appear to contain any significant new risks or material adverse information.

Key Numbers

Key Players & Entities

FAQ

What is the primary purpose of this 8-K filing?

This 8-K filing is to report 'Other Events' and 'Financial Statements and Exhibits' for Columbia Banking System, Inc.

When was this report filed?

This report was filed on August 15, 2025.

Where are Columbia Banking System, Inc.'s principal executive offices located?

The principal executive offices are located at 1301 A Street, Tacoma, Washington, 98402-4200.

What is the company's state of incorporation?

The company is incorporated in Washington.

What is the company's fiscal year end?

The company's fiscal year ends on December 31.

Filing Stats: 485 words · 2 min read · ~2 pages · Grade level 10.8 · Accepted 2025-08-15 12:18:47

Key Financial Figures

Filing Documents

01 Other Events

Item 8.01 Other Events. On August 15, 2025, Columbia Banking System, Inc., parent company of Columbia Bank, 1 announced its Board of Directors has approved a quarterly cash dividend in the amount of $0.36 per common share. The dividend is payable September 15, 2025, to shareholders of record as of August 29, 2025. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference in its entirety.

01 Financial Statements and Exhibits

Item 9.01 Financial Statements and Exhibits (d) Exhibits. 99.1 Press Release Announcing Quarterly Cash Dividend 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) 1 Note : Columbia renamed Umpqua Bank to "Columbia Bank" effective July 1, 2025, and it will begin doing business under the Columbia Bank name and brand beginning on September 1, 2025.

SIGNATURES

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 15, 2025 By: /s/ Ronald L. Farnsworth Ronald L. Farnsworth Executive Vice President/Chief Financial Officer

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