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Home/The Filing Wire/Columbia Banking System, Inc./ 8-K

Current Report · Items 8.01, 9.01 · 8-K

Columbia Banking System, Inc.

COLBNASDAQEQUITYCurrent

Other Events

Item 8.01 Other Events. On Aug 14, 2026, Columbia Banking System, Inc., parent company of Columbia Bank, announced its Board of Directors has approved a quarterly cash dividend in the amount of $0.37 per common share. The dividend is payable September 14, 2026, to shareholders of record as of August 28, 2026.…

Filed Aug 14, 2026Accepted Aug 14, 2026, 4:35 PM EDTCIK 887343Accession 0000887343-26-000173
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Company context

Columbia Banking System, Inc. (Nasdaq: COLB) is headquartered in Tacoma, Washington and is the parent company of Columbia Bank, an award-winning western U.S. regional bank. Columbia Bank is the largest bank headquartered in the Northwest and one of the largest banks headquartered in the West with locations in Arizona, California, Colorado, Idaho, Nevada, Oregon, Utah, and Washington. Columbia Bank combines the resources, sophistication, and expertise of a national bank with a commitment to deliver superior, personalized service. The bank supports consumers and businesses through a full suite of services, including retail and commercial banking, Small Business Administration lending, institutional and corporate banking, and equipment leasing. Columbia Bank customers also have access to comprehensive investment and wealth management expertise as well as healthcare and private banking through Columbia Wealth Management. Learn more at www.columbiabankingsystem.com.

Current securities

COLBNASDAQ · EQUITY · Current

Recent company filings

  1. Regulation FD DisclosureSep 30, 2026
  2. 4 filingAug 18, 2026
  3. SCHEDULE 13G/A - filed by WELLINGTON MANAGEMENT GROUP LLP regarding COLUMBIA BANKING SYSTEM, INC.Aug 13, 2026
  4. 10-Q filingAug 4, 2026
  5. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements · Regulation FD DisclosureJul 30, 2026

Disclosure sections

Items 8.01, 9.01

Select an item to read the extracted section. The as-filed document remains the primary evidence.

Item 8.01Item 8.01 - Other Events
Item 8.01 Other Events. On Aug 14, 2026, Columbia Banking System, Inc., parent company of Columbia Bank, announced its Board of Directors has approved a quarterly cash dividend in the amount of $0.37 per common share. The dividend is payable September 14, 2026, to shareholders of record as of August 28, 2026. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference in its entirety.

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