Other Events . On November 3, 2026, the Board of Directors of National Bank Holdings Corporation (the “Company”) declared a cash dividend on the Company’s Class A common stock (“Common Stock”) of thirty-three cents ($0.33) per issued and outstanding share of Common Stock. The cash dividend will be payable on December 15, 2026 to shareholders of record at the close of business on November 27, 2026. All subsequent dividends are subject to review and approval by the Company’s Board of Directors…

Results of Operations and Financial Conditions. * On October 27, 2026, National Bank Holdings Corporation (“NBHC”) issued a press release announcing its financial results for the quarter ended September 30, 2026. A copy of the full text of the press release is furnished as Exhibit 99.1 hereto and is incorporated herein by reference.

Other Events On September 30, 2026, the Board of Directors of the Company approved an additional authorization to repurchase up to $40.1 million of the Company's Class A common stock. This authorization is in addition to $59.9 million remaining under the Company's existing share repurchase authorization. Following approval of the additional authorization, the Company will have aggregate repurchase authority of $100.0 million. Repurchases may be made from time to time in open market transactio…

Material Impairments On September 28, 2026, the Board of Directors and management of National Bank Holdings Corporation (the “Company”) concluded that NBH Bank (the “Bank”), a wholly owned subsidiary of the Company, expects to incur material impairments on specifically identified commercial loans, primarily within the franchise and healthcare industries, related to certain credit events impacting the third quarter. Management is assessing the remaining collateral and will charge down the loan…

Other Events . On August 4, 2026, the Board of Directors of National Bank Holdings Corporation (the “Company”) declared a cash dividend on the Company’s Class A common stock (“Common Stock”) of thirty-two cents ($0.32) per issued and outstanding share of Common Stock. The cash dividend will be payable on September 15, 2026 to shareholders of record at the close of business on August 28, 2026. All subsequent dividends are subject to review and approval by the Company’s Board of Directors in it…

Results of Operations and Financial Conditions. * On July 21, 2026, National Bank Holdings Corporation (“NBHC”) issued a press release announcing its financial results for the quarter ended June 30, 2026. A copy of the full text of the press release is furnished as Exhibit 99.1 hereto and is incorporated herein by reference.

The filing describes an amendment to the company's incentive plan and does not involve any management changes.

Other Events . On May 7, 2026, the Board of Directors of National Bank Holdings Corporation (the “Company”) declared a cash dividend on the Company’s Class A common stock (“Common Stock”) of thirty-two cents ($0.32) per issued and outstanding share of Common Stock. The cash dividend will be payable on June 15, 2026 to shareholders of record at the close of business on May 29, 2026. All subsequent dividends are subject to review and approval by the Company’s Board of Directors in its discretio…

Results of Operations and Financial Conditions. * On April 21, 2026, National Bank Holdings Corporation (“NBHC”) issued a press release announcing its financial results for the quarter ended March 31, 2026. A copy of the full text of the press release is furnished as Exhibit 99.1 hereto and is incorporated herein by reference.

EVP, SBA Delivery — Chris Randall: Mr. Randall was promoted and assumed a new leadership role within the company.

Creation of a Direct Financial Obligation or an Obligation under and Off-Balance Sheet Arrangement of a Registrant. The information set forth in

Entry Into a Material Definitive Agreement. Underwriting Agreement On February 9, 2026, National Bank Holdings Corporation (the “Company”), entered into an underwriting agreement (the “Underwriting Agreement”) with Piper Sandler & Co. (the “Underwriter”). Pursuant to the Underwriting Agreement, the Company issued and sold $150,000,000 aggregate principal amount of 5.875% Fixed-to-Floating Rate Subordinated Notes due 2036 (the “Notes”) at a public offering price equal to 100% of the aggregate…

Other Events Effective January 7, 2026 (the “Closing Date”), National Bank Holdings Corporation, a Delaware corporation (“NBHC”), completed its previously announced acquisition of Vista Bancshares, Inc., a Texas corporation (“Vista”), pursuant to the Agreement and Plan of Merger, dated as of September 15, 2025 (the “Merger Agreement”), by and among NBHC, Vista and Bryan Wick, solely in his capacity as the shareholders’ representative. Pursuant to the Merger Agreement, on the Closing Date, (i)…

of this current report and Exhibit 99.1 attached hereto, is being “furnished” and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, nor shall it be deemed incorporated by reference in any registration statement or other filings of the Registrant under the Securities Act of 1933, as amended, except as shall be set forth by specific reference in such filing. 3 ​ SIGNATURES ​ Pursuant to the requirements of the Securities Exchange Act of 1…

Other Events. On January 27, 2026, the Board of Directors of National Bank Holdings Corporation (the “Company”) declared a quarterly cash dividend on the Company’s Class A common stock (“Common Stock”) of thirty-two cents ($0.32) per issued and outstanding share of Common Stock. The cash dividend will be paid on March 13, 2026 to shareholders of record as of the close of business on February 27, 2026. All subsequent dividends are subject to review and approval by the Company’s Board of Direct…

Completion of Acquisition or Disposition of Assets. Effective January 7, 2026 (the “Closing Date”), National Bank Holdings Corporation, a Delaware corporation (“NBHC”), completed its previously announced acquisition of Vista Bancshares, Inc., a Texas corporation (“Vista”), pursuant to the Agreement and Plan of Merger, dated as of September 15, 2025 (the “Merger Agreement”), by and among NBHC, Vista and Bryan Wick, solely in his capacity as the shareholders’ representative (the “Shareholders’…

Director — Kirk A. McLaughlin: The filing discloses the appointment of a new director to the board of directors as part of a merger agreement, which is a routine board composition change rather than the departure of a senior executive.

Other Events . On October 29, 2025, the Board of Directors of National Bank Holdings Corporation (the “Company”) declared a cash dividend to shareholders. The quarterly cash dividend of thirty-one cents ($0.31) per share on the Company’s common stock will be payable on December 15, 2025 to shareholders of record at the close of business on November 28, 2025. All subsequent dividends are subject to review and approval by the Company’s Board of Directors in its discretion. The decision of wheth…

Results of Operations and Financial Conditions. * ​ On October 21, 2025, National Bank Holdings Corporation (“NBHC”) issued a press release announcing its financial results for the quarter ended September 30, 2025, which press release is furnished as Exhibit 99.1 hereto, except for such portions that are being “filed” as specified under

Entry into a Material Definitive Agreement. Agreement and Plan of Merger As previously disclosed, on September 15, 2025, National Bank Holdings Corporation, a Delaware corporation (“NBHC”), entered into an Agreement and Plan of Merger (the “merger agreement”) with Vista Bancshares, Inc., a Texas corporation (“Vista”) and Bryan Wick, solely in his capacity as the shareholders’ representative (the “shareholders’ representative”). The merger agreement provides that, upon the terms and subject to…

CEO — G. Timothy Laney: The filing discloses compensation increases for existing executives in connection with a merger, not a departure, appointment, or board election.

Other Events . On August 4, 2025, the Board of Directors of National Bank Holdings Corporation (the “Company”) approved a cash dividend to shareholders. The quarterly cash dividend of thirty cents ($0.30) per share of common stock will be payable on September 15, 2025 to shareholders of record at the close of business on August 29, 2025. ​ The press release issued by the Company in connection with the dividend is included as Exhibit 99.1 to this Current Report on Form 8-K and incorporated int…

Results of Operations and Financial Conditions. * ​ On July 22, 2025, National Bank Holdings Corporation (“NBHC”) issued a press release announcing its financial results for the quarter ended June 30, 2025, which press release is furnished as Exhibit 99.1 hereto, except for such portions that are being “filed” as specified under

Other Events. On July 21, 2025, National Bank Holdings Corporation (the “Company”) announced a new strategic partnership with Nav Technologies, Inc. to further serve small and medium-sized businesses. The press release issued by the Company is included as Exhibit 99.1 to this Current Report on Form 8-K and incorporated herein by reference.

Other Events . On April 30, 2025, the Board of Directors of National Bank Holdings Corporation (the “Company”) approved a cash dividend to shareholders. The quarterly cash dividend of thirty cents ($0.30) per share of common stock will be payable on June 13, 2025 to shareholders of record at the close of business on May 30, 2025. ​ The press release issued by the Company in connection with the dividend is included as Exhibit 99.1 to this Current Report on Form 8-K and incorporated into this