Butler National Corporation

Item 7.01 FD Disclosure. On September 30, 2026, at the 2026 Annual Meeting of Shareholders of the Company, the Company intends to make an investor presentation (the “Investor Presentation”), a copy of which is furnished as Exhibit 99.1 to this Current Report on Form 8-K. The information contained in this Current Report on Form 8-K, including the Investor Presentation, shall not be deemed “filed” for purposes of the Securities Exchange Act of 1934, as amended. This Form 8-K, including the Investor Presentation, may contain “forward-looking statements” within the meaning of the safe harbor provisions of the federal securities laws. These statements are based on the Company's expectations and involve risks and uncertainties that could cause our actual results to differ materially from those set forth in the statements. These risks are discussed in the Company's filings with the Securities and Exchange Commission (“SEC”), including an extensive di... Item 9.01 Financial Statements and Exhibits. Exhibit 99.1 Investor Presentation for the 2026 Annual Meeting of Shareholders of Butler National Corporation Exhibit 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)