AST SpaceMobile (ASTS)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-19 10b5-1 Pre-arranged Plan: No --- 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: 2026-08-19 | Code: X (Exercise of ITM/ATM derivative) Shares: +40,000 | Price: $0.06 Total Value: $2,564.00 Shares Owned After: 74,750 | Ownership: D (Direct) Footnotes: [F1] Represents shares of Class A Common Stock obtained from exercise of AST LLC Incentive Equity Options. --- Derivative Transactions --- [Transaction #1] Security: AST LLC Incentive Equity Options Date: 2026-08-19 | Code: X (Exercise of ITM/ATM derivative) Shares: -40,000 | Price: $0.00 Exercisable: N/A | Expires: 2029-04-17 Shares Owned After: 219,912 | Ownership: I (Indirect) | Nature: See Footnote Footnotes: [F2] Six months after vesting, each AST LLC Incentive Equity Option is exercisable for an AST LLC Incentive Equity Unit, each of which is then exchangeable for an AST LLC Common Unit that is redeemable for one share of Class A Common Stock. The AST LLC Incentive Equity Options expire no later than 10 years from the date of grant. [F2] Six months after vesting, each AST LLC Incentive Equity Option is exercisable for an AST LLC Incentive Equity Unit, each of which is then exchangeable for an AST LLC Common Unit that is redeemable for one share of Class A Common Stock. The AST LLC Incentive Equity Options expire no later than 10 years from the date of grant. [F2] Six months after vesting, each AST LLC Incentive Equity Option is exercisable for an AST LLC Incentive Equity Unit, each of which is then exchangeable for an AST LLC Common Unit that is redeemable for one share of Class A Common Stock. The AST LLC Incentive Equity Options expire no later than 10 years from the date of grant. --- Footnotes (Complete Index) --- F1: Represents shares of Class A Common Stock obtained from exercise of AST LLC Incentive Equity Options. F2: Six months after vesting, each AST LLC Incentive Equity Option is exercisable for an AST LLC Incentive Equity Unit, each of which is then exchangeable for an AST LLC Common Unit that is redeemable for one share of Class A Common Stock. The AST LLC Incentive Equity Options expire no later than 10 years from the date of grant. --- Signature --- /s/ /s/ Huiwen Yao (2026-08-19)