AST SpaceMobile officer may sell 12,000 shares

AST SpaceMobile, Inc. (ASTS) received a notice under Rule 144 indicating that officer Shanti B. Gupta may sell up to 12,000 Class A shares of the company through Fidelity Brokerage Services LLC.

Rhea-AI Filing Summary

AST SpaceMobile, Inc. (ASTS) received a notice under Rule 144 indicating that officer Shanti B. Gupta may sell up to 12,000 Class A shares of the company through Fidelity Brokerage Services LLC. The shares relate to restricted stock vesting on August 15, 2026, reported as compensation.

The notice lists an aggregate market value of approximately $706,636.74 for the 12,000 shares and shows 299,789,305 Class A shares outstanding as of September 16, 2026, on Nasdaq; this is a baseline figure, not the amount being sold.

Key Figures

Shares subject to Rule 144 notice: 12,000 shares Aggregate market value of shares: $706,636.74 Class A shares outstanding: 299,789,305 shares +2 more

5 metrics

Shares subject to Rule 144 notice 12,000 shares Class A common stock potentially to be sold for the account of Shanti B. Gupta

Aggregate market value of shares $706,636.74 Value reported for the 12,000 Class A shares covered by the notice

Class A shares outstanding 299,789,305 shares Outstanding AST SpaceMobile Class A shares as of September 16, 2026

Vesting date of restricted stock August 15, 2026 Date tied to the restricted stock vesting described as compensation

Form 144 notice date September 16, 2026 Date appearing with the outstanding share count information

Key Terms

Rule 144, Restricted Stock Vesting, attorney-in-fact, compensation

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Vesting financial

"Class A | 08/15/2026 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

attorney-in-fact regulatory

"as attorney-in-fact for Shanti B. Gupta"

An attorney-in-fact is the person or entity given legal authority through a power of attorney to act on behalf of another for specific tasks, such as signing documents, voting shares, or handling transactions. For investors, this matters because it lets a trusted representative make timely decisions or complete paperwork when the owner cannot, much like handing keys to someone to run errands on your behalf—so checks on scope and limits of that authority are important.

compensation financial

"08/15/2026 | Compensation"

FAQ

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

What does the Form 144 filing for ASTS disclose about potential share sales?

The filing discloses that officer Shanti B. Gupta may sell up to 12,000 Class A shares of AST SpaceMobile, Inc. under Rule 144 through Fidelity Brokerage Services LLC. These shares are tied to restricted stock vesting on August 15, 2026, reported as compensation.

How many ASTS shares are covered by this Rule 144 notice?

The Rule 144 notice covers a potential sale of up to 12,000 Class A shares of AST SpaceMobile, Inc. held for the account of officer Shanti B. Gupta, with Fidelity Brokerage Services LLC listed in the broker field.

What is the approximate market value of the ASTS shares in this Form 144?

The Form 144 lists an aggregate market value of about $706,636.74 for the 12,000 Class A shares that may be sold for the account of officer Shanti B. Gupta under Rule 144.

What does the Form 144 say about ASTS shares outstanding?

The notice reports 299,789,305 Class A shares outstanding for AST SpaceMobile, Inc. as of September 16, 2026. This is presented as the company’s outstanding share count, not the amount covered by the potential Rule 144 sale.

What is the source of the ASTS shares to be sold under this Form 144?

The shares are described as Restricted Stock Vesting from the Issuer, with the transaction type listed as Compensation and a vesting and sale-related date of August 15, 2026 in the securities-to-be-sold section.

Who signed the ASTS Form 144 and in what capacity?

The notice is signed by /s/ Wade Moss as a duly authorized representative of Fidelity Brokerage Services LLC, acting as attorney-in-fact for Shanti B. Gupta, the person for whose account the securities may be sold.

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

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Available on EDGAR 09/16/2026 - 02:09 PM Accepted by SEC EDGAR 09/16/2026 - 02:09 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001884187
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	AST SpaceMobile, Inc.
SEC File Number	001-39040
Address of Issuer	MIDLAND INTL. AIR & SPACE PORT 2901 ENTERPRISE LANE MIDLAND TEXAS 79706
Phone	432-276-3966
Name of Person for Whose Account the Securities are To Be Sold	Gupta Shanti B.
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Class A	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	12000	706636.74	299789305	09/16/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Class A	08/15/2026	Restricted Stock Vesting	Issuer			12000	08/15/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	09/16/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Shanti B. Gupta
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)