AST SpaceMobile (NASDAQ: ASTS) CAO reports routine RSU tax withholding

Rhea-AI Filing Summary

AST SpaceMobile, Inc. Chief Accounting Officer Bernal Maya reported a routine tax-withholding transaction related to equity compensation. On the vesting of Restricted Stock Units representing 6,666 shares of Class A Common Stock, 2,621 shares were withheld to cover tax liability, resulting in a net vested 4,045 shares. After this non‑open‑market disposition, Maya directly holds 115,368 Class A Common Stock shares.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Bernal Maya

Role Chief Accounting Officer

Type	Security	Shares	Price	Value
Tax Withholding	Class A Common Stock	2,621	$113.41	$297K

Holdings After Transaction: Class A Common Stock — 115,368 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares withheld for taxes: 2,621 shares RSU shares vested: 6,666 shares Net vested shares: 4,045 shares +2 more

5 metrics

Shares withheld for taxes 2,621 shares Tax withholding on RSU vesting

RSU shares vested 6,666 shares Restricted Stock Units vesting

Net vested shares 4,045 shares After tax withholding on RSUs

Post-transaction holdings 115,368 shares Class A Common Stock held directly after transaction

Implied withholding price $113.41 per share Value used for tax-withholding disposition

Key Terms

Restricted Stock Units, Rule 16b-3, Class A Common Stock, tax liability

4 terms

Restricted Stock Units financial

"Represents a payment of tax liability by withholding securities incident to the vesting of Restricted Stock Units representing 6,666 shares"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Rule 16b-3 regulatory

"Restricted Stock Units representing 6,666 shares of Class A Common Stock issued in accordance with Rule 16b-3"

Rule 16b-3 is a Securities and Exchange Commission regulation that exempts certain routine, pre-approved transactions by company insiders from automatic liability for short-term trading profits. It acts like a safe harbor: if an insider follows a formal plan or the board approves specific transactions in advance, profits from buying and selling company stock within six months are not automatically reclaimed. Investors care because the rule clarifies when insider trades are permissible and reduces uncertainty about potential clawbacks.

Class A Common Stock financial

"Represents a payment of tax liability by withholding securities incident to the vesting of Restricted Stock Units representing 6,666 shares of Class A Common Stock"

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.

tax liability financial

"Represents a payment of tax liability by withholding securities incident to the vesting of Restricted Stock Units"

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Form 4 Insider Transactions: What Each Field Means →

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^*

Bernal Maya

(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 Accounting Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/30/2026

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	05/30/2026		F		2,621(1)	D	$113.41	115,368	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. Represents a payment of tax liability by withholding securities incident to the vesting of Restricted Stock Units representing 6,666 shares of Class A Common Stock issued in accordance with Rule 16b-3, resulting in a net vested number of 4,045 shares.

	/s/ Maya Bernal	06/02/2026
	** 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)

FAQ

What did ASTS officer Bernal Maya report in this Form 4 filing?

Bernal Maya reported shares withheld to cover taxes on vested stock units, not an open‑market sale. The transaction reflects routine tax withholding tied to equity compensation, with 2,621 shares withheld and 4,045 shares vesting net to the officer.

How many ASTS shares were withheld for taxes in this Form 4?

The filing shows 2,621 shares of AST SpaceMobile Class A Common Stock were withheld to satisfy tax liability. This occurred when 6,666 Restricted Stock Units vested, leaving 4,045 shares delivered net to the officer as part of equity compensation.

How many ASTS Restricted Stock Units vested for Bernal Maya?

Restricted Stock Units representing 6,666 shares of AST SpaceMobile Class A Common Stock vested for Bernal Maya. To cover associated taxes, 2,621 shares were withheld, resulting in a net 4,045 shares delivered to the officer under the equity award.

What is Bernal Maya’s ASTS shareholding after this Form 4 transaction?

After the tax-withholding disposition, Bernal Maya directly holds 115,368 shares of AST SpaceMobile Class A Common Stock. This figure reflects the updated ownership following the vesting of 6,666 RSU shares and withholding of 2,621 shares for tax obligations.

Was this ASTS Form 4 transaction an open-market stock sale?

No, this transaction was not an open‑market stock sale. The shares were withheld by AST SpaceMobile to pay tax liability on vesting Restricted Stock Units, a common administrative mechanism rather than a discretionary sale in the market.