[Form 4] AST SpaceMobile, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Huiwen Yao, Chief Technology Officer of AST SpaceMobile, Inc. (ASTS), reported a sale of 40,000 shares of Class A common stock on 09/16/2025 under a Rule 10b5-1 trading plan adopted on 06/12/2025. The shares were sold in multiple transactions at prices ranging from $39.93 to $41.08, with a reported weighted average price of $40.58. After the reported dispositions, the reporting person beneficially owns 4,750 shares directly. The Form 4 is signed on 09/17/2025 and includes a commitment to provide detailed per-price sale information on request.

Positive

• Sale conducted under a Rule 10b5-1 trading plan, indicating a pre-arranged and compliant mechanism for insider transactions
• Detailed price disclosure including weighted average and range ($39.93–$41.08, weighted avg $40.58) enhances transparency
• Reporting person offers to provide per-price transaction details on request, supporting disclosure completeness

Negative

• Large disposition relative to remaining holdings: 40,000 shares sold leaving only 4,750 shares beneficially owned
• No information on total prior holdings or percentage ownership is provided in the Form 4, limiting context for the sale's scale

Insights

Corporate Governance Expert

TL;DR: Insider sale was executed under an established 10b5-1 plan; disclosure and the pledge to provide per-price details support transparency.

The reporting demonstrates compliance with structured insider-trading controls through a Rule 10b5-1 plan adopted June 12, 2025. The filing discloses the sale quantity (40,000 shares), price range ($39.93–$41.08) and weighted average ($40.58), and confirms remaining beneficial ownership of 4,750 shares. From a governance perspective, use of a pre-established trading plan and openness to provide detailed execution prices on request are positive disclosure practices.

Securities Analyst

TL;DR: Significant insider disposition reported but executed via a Rule 10b5-1 plan; impact appears routine and disclosed.

The Form 4 shows a sizable disposition relative to the insider's post-transaction holding: 40,000 shares sold leaving 4,750 shares beneficially owned. The reported weighted average sale price is $40.58 with a range between $39.93 and $41.08. The filing is concise, documents methodology for sale, and includes an offer to supply per-price breakdowns, which aids market transparency. No derivatives or other transactions are reported.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Yao Huiwen

(Last) (First) (Middle)

C/O AST SPACEMOBILE, INC., MIDLAND AIR &

SPACE PORT, 2901 ENTERPRISE LANE

(Street)

MIDLAND TX 79706

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
AST SpaceMobile, Inc. [ ASTS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Technology Officer

3. Date of Earliest Transaction (Month/Day/Year)
09/16/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	09/16/2025		S		40,000(1)	D	$40.58(2)	4,750	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025.

2. Represents the weighted average selling price. These shares were sold in multiple transactions at prices ranging from $39.93 per share to $41.08 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

	/s/ Huiwen Yao	09/17/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did ASTS insider Huiwen Yao report on Form 4?

Huiwen Yao reported selling 40,000 shares of AST SpaceMobile Class A common stock on 09/16/2025, leaving 4,750 shares beneficially owned.

Was the sale by the ASTS officer part of a 10b5-1 plan?

Yes. The filing states the transaction was effected pursuant to a Rule 10b5-1 trading plan adopted on 06/12/2025.

At what prices were the ASTS shares sold?

Shares were sold between $39.93 and $41.08 per share, with a reported weighted average price of $40.58.

How can I get more detailed information about the individual sale prices?

The reporting person has undertaken to provide full information regarding the number of shares sold at each separate price within the stated range upon request to the issuer, any security holder, or the SEC staff.

Does the Form 4 report any derivative transactions for ASTS?

No. Table II for derivative securities contains no reported transactions or holdings in this filing.