Columbia Banking System, Inc. filed a Form 8-K with the SEC on August 14, 2026, disclosing that its Board of Directors approved a quarterly cash dividend of $0.37 per common share.

Key Highlights

  • Dividend amount: $0.37 per common share, approved by the Board of Directors.
  • Payment date: The dividend is payable September 14, 2026.
  • Record date: Shareholders of record as of August 28, 2026 are eligible.
  • Announcing entity: Columbia Banking System, Inc., parent company of Columbia Bank, made the announcement on August 14, 2026.

Columbia Banking System Board Approves September Dividend Payment

According to the Form 8-K filed on August 14, 2026, Columbia Banking System, Inc. (NASDAQ:COLB), headquartered at 1301 A Street, Tacoma, Washington 98402-4200, disclosed that its Board of Directors has approved a quarterly cash dividend. The filing was submitted under Item 8.01 (Other Events) of the Form 8-K reporting framework.

The company disclosed that the dividend of $0.37 per common share will be payable on September 14, 2026, to shareholders of record as of August 28, 2026. The filing identifies Columbia Banking System, Inc. as the parent company of Columbia Bank. A press release announcing the dividend was attached to the filing as Exhibit 99.1 and incorporated by reference in its entirety, according to the filing.

The Form 8-K was signed by Kumi Yamamoto Baruffi, Executive Vice President and General Counsel, on behalf of Columbia Banking System, Inc. The company is incorporated in Washington state and carries Commission File Number 000-20288.

What Was Disclosed

Columbia Banking System, Inc. disclosed via an August 14, 2026 Form 8-K that its Board of Directors approved a $0.37 per common share quarterly cash dividend, payable September 14, 2026, to shareholders of record as of August 28, 2026.