AST SpaceMobile (ASTS)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-08-17 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: 2026-08-17 | Code: A (Grant or award) Shares: +75,000 | Price: $0.00 Shares Owned After: 782,443 | Ownership: D (Direct) Footnotes: [F1] Represents a grant of restricted stock units ("RSUs") that will vest one third on the first, second, and third anniversary of May 30, 2026, subject to the Reporting Person's continued service through the vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. --- Footnotes (Complete Index) --- F1: Represents a grant of restricted stock units ("RSUs") that will vest one third on the first, second, and third anniversary of May 30, 2026, subject to the Reporting Person's continued service through the vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. --- Signature --- /s/ /s/ Scott Wisniewski (2026-08-19)