Huiwen Yao - 19 Aug 2026 Form 4 Insider Report for AST SpaceMobile, Inc. (ASTS)

Reporting relationship: Chief Technology Officer
Issuer ticker: ASTS
Reported as of: 19 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 19 Aug 2026, 21:52:03 UTC
Prior SEC filing: 08 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Huiwen Yao

Key filing fact

Huiwen Yao filed Form 4 for AST SpaceMobile, Inc. (ASTS) on 19 Aug 2026.

Key facts

This page summarizes Huiwen Yao's Form 4 filing for AST SpaceMobile, Inc. (ASTS).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 19 Aug 2026, 21:52.

Change

Previous filing in this sequence was filed on 08 Jun 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002027976 Primary reporting owner

Yao Huiwen

Relationship: Chief Technology Officer
Address: C/O AST SPACEMOBILE, INC., MIDLAND AIR &, SPACE PORT, 2901 ENTERPRISE LANE, MIDLAND
Signature: /s/ Huiwen Yao
Signature date: 19 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ASTS transaction

Class A Common Stock

Exercise of in-the-money or at-the-money derivative security

Transaction value
Shares: +40,000
Change %: +115%
Price: $0.0641^*
Shares after: 74,750
Date: 19 Aug 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ASTS transaction Derivative

AST LLC Incentive Equity Options

Exercise of in-the-money or at-the-money derivative security

Transaction value
Shares: -40,000
Change %: -15%
Price: $0.000000^*
Shares after: 219,912
Date: 19 Aug 2026
Ownership: See Footnote
Underlying class: Class A Common Stock
Underlying amount: 40,000
Exercise price: $0.0641
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents shares of Class A Common Stock obtained from exercise of AST LLC Incentive Equity Options.

Footnote 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.