Insider Transaction (Form 4)

Yao Huiwen, Chief Technology Officer of AST SpaceMobile, exercised 40,000 stock options at $0.0641 per share on September 2, 2025, and subsequently sold 16,000 shares on September 3, 2025 at an average price of $48.04 per share to cover tax liabilities associated with the exercise. Following these transactions, Huiwen maintained direct beneficial ownership of 44,750 shares of Class A Common Stock and retained indirect ownership of 379,912 derivative securities in the form of AST LLC Incentive Equity Options.