AST SpaceMobile (ASTS)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-15 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: AST SpaceMobile, Inc. (ASTS) CIK: 0001780312 --- Reporting Owner --- Name: Wisniewski Scott CIK: 0002028702 Role: Officer (President) --- Non-Derivative Transactions --- [Transaction #1] Security: Class A Common Stock Date: 2026-08-15 | Code: F (Payment of exercise/tax) Shares: -9,838 | Price: $70.98 Total Value: $698,301.24 Shares Owned After: 719,740 | Ownership: D (Direct) Footnotes: [F1] Represents a payment of tax liability by withholding securities incident to the vesting of Restricted Stock Units representing 25,000 shares of Class A Common Stock issued in accordance with Rule 16b-3, resulting in a net vested number of 15,162 shares. [Transaction #2] Security: Class A Common Stock Date: 2026-08-15 | Code: F (Payment of exercise/tax) Shares: -12,297 | Price: $70.98 Total Value: $872,841.06 Shares Owned After: 707,443 | Ownership: D (Direct) Footnotes: [F2] Represents a payment of tax liability by withholding securities incident to the vesting of performance-based stock unit awards ("PSUs") representing 31,250 shares of Class A Common Stock issued in accordance with Rule 16b-3, resulting in a net vested number of 18,953 shares. --- Footnotes (Complete Index) --- F1: Represents a payment of tax liability by withholding securities incident to the vesting of Restricted Stock Units representing 25,000 shares of Class A Common Stock issued in accordance with Rule 16b-3, resulting in a net vested number of 15,162 shares. F2: Represents a payment of tax liability by withholding securities incident to the vesting of performance-based stock unit awards ("PSUs") representing 31,250 shares of Class A Common Stock issued in accordance with Rule 16b-3, resulting in a net vested number of 18,953 shares. --- Signature --- /s/ /s/ Scott Wisniewski (2026-08-18)