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: Avellan Abel Antonio CIK: 0001680225 Role: Director, Officer (Chief Executive Officer), 10%+ Owner --- Non-Derivative Transactions --- [Transaction #1] Security: Class A Common Stock Date: 2026-08-17 | Code: A (Grant or award) Shares: +150,000 | Price: $0.00 Shares Owned After: 78,692,209 | 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. --- Holdings --- [Holding #1] Security: Class C Common Stock Ownership: D (Direct) [Holding #2] Security: Common Units Ownership: D (Direct) Footnotes: [F2] The securities reported in this line item represent AST Common Units. At any time on or after April 6, 2022, these AST Common Units may be redeemed by the Reporting Person in exchange for shares of Class A common stock of the Issuer on a one-to-one basis. When a holder of Class C common stock of the Issuer exchanges AST Common Units for shares of Class A common stock of the Issuer, a number of shares of Class C common stock of the Issuer equal to the number of such AST Common Units will be immediately retired by the Issuer and will no longer be outstanding. The AST Common Units do not expire. [F3] In connection with the closing of the business combination between New Providence Acquisition Corp. and AST & Science, LLC ("AST") on April 6, 2021, each existing common unit previously issued by AST was reclassified and reissued by AST into new Common Units on a 1-to-14.50149869 basis. In addition, each equityholder of Common Units received an equivalent number of Class B Common Stock or Class C Common Stock of the Issuer, as applicable. [F2] The securities reported in this line item represent AST Common Units. At any time on or after April 6, 2022, these AST Common Units may be redeemed by the Reporting Person in exchange for shares of Class A common stock of the Issuer on a one-to-one basis. When a holder of Class C common stock of the Issuer exchanges AST Common Units for shares of Class A common stock of the Issuer, a number of shares of Class C common stock of the Issuer equal to the number of such AST Common Units will be immediately retired by the Issuer and will no longer be outstanding. The AST Common Units do not expire. [F3] In connection with the closing of the business combination between New Providence Acquisition Corp. and AST & Science, LLC ("AST") on April 6, 2021, each existing common unit previously issued by AST was reclassified and reissued by AST into new Common Units on a 1-to-14.50149869 basis. In addition, each equityholder of Common Units received an equivalent number of Class B Common Stock or Class C Common Stock of the Issuer, as applicable. [F2] The securities reported in this line item represent AST Common Units. At any time on or after April 6, 2022, these AST Common Units may be redeemed by the Reporting Person in exchange for shares of Class A common stock of the Issuer on a one-to-one basis. When a holder of Class C common stock of the Issuer exchanges AST Common Units for shares of Class A common stock of the Issuer, a number of shares of Class C common stock of the Issuer equal to the number of such AST Common Units will be immediately retired by the Issuer and will no longer be outstanding. The AST Common Units do not expire. [F3] In connection with the closing of the business combination between New Providence Acquisition Corp. and AST & Science, LLC ("AST") on April 6, 2021, each existing common unit previously issued by AST was reclassified and reissued by AST into new Common Units on a 1-to-14.50149869 basis. In addition, each equityholder of Common Units received an equivalent number of Class B Common Stock or Class C Common Stock of the Issuer, as applicable. --- 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. F2: The securities reported in this line item represent AST Common Units. At any time on or after April 6, 2022, these AST Common Units may be redeemed by the Reporting Person in exchange for shares of Class A common stock of the Issuer on a one-to-one basis. When a holder of Class C common stock of the Issuer exchanges AST Common Units for shares of Class A common stock of the Issuer, a number of shares of Class C common stock of the Issuer equal to the number of such AST Common Units will be immediately retired by the Issuer and will no longer be outstanding. The AST Common Units do not expire. F3: In connection with the closing of the business combination between New Providence Acquisition Corp. and AST & Science, LLC ("AST") on April 6, 2021, each existing common unit previously issued by AST was reclassified and reissued by AST into new Common Units on a 1-to-14.50149869 basis. In addition, each equityholder of Common Units received an equivalent number of Class B Common Stock or Class C Common Stock of the Issuer, as applicable. --- Signature --- /s/ /s/ Abel Avellan (2026-08-19)