Insider Transaction (Form 4)

Chief Technology Officer Yao Huiwen sold 45,000 shares of Class A Common Stock on October 8, 2024 at a weighted average price of $24.26 per share to cover tax liabilities related to the exercise of stock options. Following the sale, Huiwen retained 55,000 shares of Class A Common Stock and maintains beneficial ownership of approximately 662,434 shares through indirect holdings via AST LLC Incentive Equity Options with exercise prices of $0.0641 and $0.6001 per share.