Landmark Bancorp, Inc. (the “Company”) filed a Current Report on Form 8-K with the U.S. Securities and Exchange Commission on September 24, 2026. The filing, dated the same day, was submitted in accordance with Section 13 or 15(d) of the Securities Exchange Act of 1934.

The Company disclosed that it periodically participates in meetings with investors. To support these engagements, the filing includes an Investor Presentation dated September 24, 2026, which serves as Exhibit 99.1. The presentation contains reference slides that provide select quarter- and year-end financial data.

The information provided in Item 7.01 of the report and the attached exhibit is being furnished and will not, except to the extent required by applicable law or regulation, be deemed “filed” by the Company for purposes of Section 18 of the Exchange Act. Additionally, the information will not be incorporated by reference into any filing under the Securities Act of 1933 or the Exchange Act unless specifically referenced.

The Company’s principal executive offices are located at 701 Poyntz, Manhattan, Kansas 66502. The Company’s common stock trades on The Nasdaq Global Market under the symbol LARK.