GBCI: Other company developments

Item 8.01 Other Events On November 11, 2026, Glacier Bancorp, Inc. (the “Company”) announced that its Board of Directors declared a quarterly dividend on the Company’s common stock of $0.35 per share, payable on December 17, 2026, to shareholders of record as of the close of business on December 8, 2026. The Company also announced that, beginning in January 2027, the Board of Directors expects to consider and declare the Company’s regular quarterly dividends in January, April, July and October of each year to coincide with the release of the Company’s quarterly financial results. A copy of the press release is attached as Exhibit 99.1 and is incorporated herein by reference. Item 9.01 FINANCIAL STATEMENTS AND EXHIBITS (d) Exhibits 99.1 Press Release dated November 11, 2026 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. Dated: November 12, 2026 GLACIER BANCORP, INC. /s/ Randall M. Chesler By: Randall M. Chesler President and Chief Executive Officer