Columbia Banking System, Inc., the parent company of Columbia Bank, said its Board of Directors approved a quarterly cash dividend of $0.37 per common share. The dividend will be paid on September 14, 2026 to shareholders of record as of August 28, 2026. The company, listed on Nasdaq under the ticker COLB, said it is headquartered in Tacoma, Washington and operates Columbia Bank as a regional lender serving Arizona, California, Colorado, Idaho, Nevada, Oregon, Texas, Utah, and Washington. The release also included forward-looking statement language and directed readers to the company’s SEC filings, including its Annual Report on Form 10-K for the fiscal year ended December 31, 2025 and Quarterly Reports on Form 10-Q for the three months ended March 31, 2026 and June 30, 2026.