Sky Harbour Group Corporation

Item 8.01. Other Events. As previously disclosed, on August 21, 2026, Sky Harbour Group Corporation, a Delaware corporation (the “Company”), entered into a Stock Purchase Agreement (the “Stock Purchase Agreement”) with M-COR Capital LLC, a Delaware limited liability company (the “Investor”), pursuant to which the Company agreed to sell 1,000,000 shares (the “Shares”) of its Class A common stock, $0.0001 par value per share, to the Investor in a registered direct offering at a purchase price of $10.00 per share. The closing of the offering occurred on August 26, 2026. The Company received aggregate gross proceeds of $10.0 million from the offering, before deducting offering-related expenses. The Company intends to use the net proceeds for general corporate purposes. The Shares are being offered and sold pursuant to a shelf registration statement on Form S-3 (File No. 333-278275), filed with the Securities and Exchange Commission (“SEC”) on March 27, 2024, and declared effective by the SEC on April 10, 2024, and the accompanying base prospectus included therein, as supplemented by the prospectus supplement filed with the SEC on August 26, 2026. A copy of the opinion of Morrison & Foerster LLP with respect to the validity of the Shares is filed herewith as Exhibit 5.1.