AST SpaceMobile CTO exercises 40,000 options

AST SpaceMobile, Inc. (ASTS) reported that Chief Technology Officer Huiwen Yao exercised 40,000 AST LLC Incentive Equity Options on 2026-08-19 at an exercise price of $0.0641 per underlying share.

Rhea-AI Filing Summary

AST SpaceMobile, Inc. (ASTS) reported that Chief Technology Officer Huiwen Yao exercised 40,000 AST LLC Incentive Equity Options on 2026-08-19 at an exercise price of $0.0641 per underlying share. The options transaction, held indirectly, reduced the related derivative position to 219,912 units. The exercise delivered 40,000 shares of Class A Common Stock, held directly, increasing Yao’s direct ownership to 74,750 shares. According to the company’s description, each AST LLC Incentive Equity Option becomes exercisable six months after vesting and is ultimately exchangeable into Class A Common Stock, and these options expire no later than 2029-04-17 from their grant date.

Insider Trade Summary

40,000 shares exercised/converted

Exercise 2 txns

Insider Yao Huiwen

Role Chief Technology Officer

Type	Security	Shares	Price	Value
In-the-Money Exercise	AST LLC Incentive Equity Options F2	40,000	$0.00	$0.00
In-the-Money Exercise	Class A Common Stock F1	40,000	$0.0641	$3K

Holdings After Transaction: AST LLC Incentive Equity Options — 219,912 contracts (Indirect, See Footnote); Class A Common Stock — 74,750 shares (Direct)

Footnotes (2)

1. F1. Represents shares of Class A Common Stock obtained from exercise of AST LLC Incentive Equity Options.
2. 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.

Key Figures

Options Exercised: 40,000 options Exercise Price: $0.0641 per share Shares Acquired: 40,000 shares +3 more

6 metrics

Options Exercised 40,000 options AST LLC Incentive Equity Options exercised on 2026-08-19

Exercise Price $0.0641 per share Exercise price for 40,000 AST LLC Incentive Equity Options

Shares Acquired 40,000 shares Class A Common Stock received from option exercise on 2026-08-19

Direct Holdings After 74,750 shares Direct AST SpaceMobile Class A Common Stock held by Huiwen Yao after transactions

Remaining Incentive Options 219,912 units AST LLC Incentive Equity Options remaining indirectly held after the exercise

Option Expiration Date 2029-04-17 Expiration date for the referenced AST LLC Incentive Equity Options

Key Terms

AST LLC Incentive Equity Options, Class A Common Stock, exercise price, redeemable

4 terms

AST LLC Incentive Equity Options financial

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

Class A Common Stock financial

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

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

exercise price financial

"conversion_or_exercise_price: "0.0641""

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

redeemable financial

"AST LLC Common Unit that is redeemable for one share of Class A Common Stock."

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did ASTS Chief Technology Officer Huiwen Yao report on this Form 4?

Huiwen Yao reported exercising 40,000 AST LLC Incentive Equity Options into 40,000 shares of ASTS Class A Common Stock. The derivative position decreased, while directly held Class A shares increased to 74,750.

How many ASTS Class A shares does Huiwen Yao hold directly after this Form 4?

After the reported transactions, Huiwen Yao directly holds 74,750 shares of AST SpaceMobile Class A Common Stock. These shares came in part from exercising 40,000 AST LLC Incentive Equity Options on 2026-08-19.

What was the exercise price for Huiwen Yao’s ASTS-related options?

The AST LLC Incentive Equity Options tied to ASTS were exercised at an exercise price of $0.0641 per share. Exercising 40,000 options at this price produced 40,000 shares of Class A Common Stock now held directly.

What derivative holdings remain for Huiwen Yao related to ASTS after the exercise?

Following the exercise, the remaining reported AST LLC Incentive Equity Options position associated with Huiwen Yao is 219,912 units held indirectly. These options are ultimately exchangeable into AST SpaceMobile Class A Common Stock under the company’s incentive structure.

When do Huiwen Yao’s AST LLC Incentive Equity Options related to ASTS expire?

The specific options referenced in this filing carry an expiration date of 2029-04-17. The company notes that each AST LLC Incentive Equity Option expires no later than 10 years from its grant date under the plan terms.

How are AST LLC Incentive Equity Options ultimately settled into ASTS Class A shares?

Six months after vesting, each AST LLC Incentive Equity Option is exercisable for an AST LLC Incentive Equity Unit, exchangeable for an AST LLC Common Unit redeemable for one ASTS Class A share, according to the company’s description.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/19/2026 - 09:52 PM EDT Accepted by SEC EDGAR 08/19/2026 - 09:52 PM EDT Learn about SEC filing dates

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).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

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 TEXAS 79706

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/19/2026

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

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

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

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	08/19/2026		X		40,000(1)	A	$0.0641	74,750	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
AST LLC Incentive Equity Options	$0.0641	08/19/2026		X			40,000	10/01/2023(2)	04/17/2029(2)	Class A Common Stock	40,000	$0	219,912	I	See Footnote(2)

Explanation of Responses:

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

2. 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.

	/s/ Huiwen Yao	08/19/2026
	** 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.
* Form 4: SEC 1474 (03-26)