Form 4 Filing by Boston Omaha Corp for Sky Harbour Group Corp

Boston Omaha Corp, a ten percent owner of Sky Harbour Group Corp, reported a sale of 331,500 shares of Class A common stock on April 6, 2026, at a price of $9.05 per share. Following this transaction, Boston Omaha Corp directly owns 8,666,163 shares of Sky Harbour Group Corp Class A common stock. Additionally, United Casualty & Surety Insurance Company, a subsidiary of Boston Omaha Corp, owns 2,673,831 shares. Boston Omaha Corp also holds warrants for 7,719,779 shares of Sky Harbour Group Corp Class A common stock. The filing was signed on April 8, 2026.