AST SpaceMobile (ASTS)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-09-16 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: AST SpaceMobile, Inc. (ASTS) CIK: 0001780312 --- Reporting Owner --- Name: Yao Huiwen CIK: 0002027976 Role: Officer (Chief Technology Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Class A Common Stock Date: 2026-09-16 | Code: S (Open market sale) Shares: -40,000 | Price: $58.93 Total Value: $2,357,200.00 Shares Owned After: 34,750 | Ownership: D (Direct) Footnotes: [F1] The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 5, 2026. [F2] Represents the weighted average selling price. These shares were sold in multiple transactions at prices ranging from $57.52 per share to $60.31 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. --- Footnotes (Complete Index) --- F1: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 5, 2026. F2: Represents the weighted average selling price. These shares were sold in multiple transactions at prices ranging from $57.52 per share to $60.31 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. --- Signature --- /s/ /s/ Huiwen Yao (2026-09-17)