AST SpaceMobile (ASTS) CFO awarded 100,000-share PSU grant

Rhea-AI Filing Summary

AST SpaceMobile, Inc. reported that its CFO and CLO, Andrew Martin Johnson, acquired 100,000 shares of Class A Common Stock through a grant of performance-based stock unit awards at no cost. These PSUs were originally granted on December 2, 2025. One third, representing 33,334 shares, will vest on March 31, 2026, with the remaining units vesting equally on March 31, 2027 and March 31, 2028, subject to his continued service. Each PSU converts into one share of Class A Common Stock, bringing his direct holdings to 612,485 shares after this award.

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

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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^*

Johnson Andrew Martin

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CFO and CLO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/24/2026

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	03/24/2026		A		100,000(1)	A	$0	612,485	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 achievement of certain performance-based stock unit awards ("PSUs") granted on December 2, 2025, following certification by the Issuer's compensation committee that the applicable individual performance conditions had been satisfied. One third of the PSUs representing 33,334 shares of Class A Common Stock will vest on March 31, 2026 and the remaining PSUs will vest equally on March 31, 2027 and March 31, 2028, subject to the Reporting Person's continued service through the vesting dates. Each PSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

	/s/ Andrew M. Johnson	03/26/2026
	** 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 insider transaction did AST SpaceMobile (ASTS) report for Andrew Martin Johnson?

AST SpaceMobile reported that CFO and CLO Andrew Martin Johnson received a grant of 100,000 performance-based stock unit awards. The units convert into Class A Common Stock, reflecting a compensation-related acquisition rather than an open-market purchase or sale.

How many AST SpaceMobile (ASTS) shares did the CFO acquire in this Form 4?

The CFO acquired 100,000 shares of Class A Common Stock through performance-based stock units. These units were granted at a price of $0.00 per share, indicating an equity compensation award instead of a cash-funded market transaction.

What is the vesting schedule for the AST SpaceMobile (ASTS) PSU award?

One third of the performance-based stock units, representing 33,334 shares, will vest on March 31, 2026. The remaining PSUs will vest in equal portions on March 31, 2027 and March 31, 2028, contingent on continued service through each vesting date.

How did this grant affect the AST SpaceMobile (ASTS) CFO’s share ownership?

Following the grant, Andrew Martin Johnson’s direct holdings increased to 612,485 shares of Class A Common Stock. This figure reflects his position after recognition of the 100,000 performance-based stock unit award disclosed in the Form 4 filing.

What are the key terms of the AST SpaceMobile (ASTS) performance stock units?

Each performance-based stock unit represents a contingent right to receive one share of Class A Common Stock. The award followed certification that individual performance conditions were satisfied, and future vesting remains subject to the executive’s continued service.