AST SpaceMobile officer plans $2.36M stock sale

Available on EDGAR 09/16/2026 - 06:00 PM EDT Accepted by SEC EDGAR 09/16/2026 - 05:59 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

AST SpaceMobile, Inc. (ASTS) received a Rule 144 notice from officer Huiwen Yao covering a proposed sale of 40,000 shares of Class A common stock through broker B. Riley Securities, Inc. The filing lists an aggregate sale price of $2,357,400 and references 299,789,305 shares as a share-count baseline.

The shares to be sold were acquired from AST SpaceMobile by stock option exercise for cash on August 19, 2026, and are proposed to be sold on or after September 16, 2026 on NASDAQ.

Key Figures

Shares to be sold: 40,000 shares Aggregate sale price: $2,357,400.00 Share-count baseline: 299,789,305 shares +2 more

5 metrics

Shares to be sold 40,000 shares Class A Common Stock proposed for sale under Rule 144

Aggregate sale price $2,357,400.00 Total for 40,000 Class A shares covered by the notice

Share-count baseline 299,789,305 shares Referenced in the securities information section

Acquisition date of shares August 19, 2026 Date shares were acquired via stock option exercise for cash

Proposed sale date September 16, 2026 Date associated with proposed sale of the 40,000 shares on NASDAQ

Key Terms

Rule 144, Stock Option Exercise, Class A Common Stock

3 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.

Stock Option Exercise financial

"Class A Common Stock | 08/19/2026 | Stock Option Exercise | Issuer"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

Class A Common Stock financial

"Class A Common Stock | B. Riley Securities, Inc."

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.

FAQ

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

What does the Form 144 filing disclose for ASTS?

It discloses that officer Huiwen Yao has filed a Rule 144 notice for a proposed sale of 40,000 shares of AST SpaceMobile Class A common stock, with an aggregate sale price listed as $2,357,400, to be sold through B. Riley Securities, Inc..

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

The notice covers a proposed sale of 40,000 shares of AST SpaceMobile, Inc. Class A common stock. These shares are the specific securities referenced as "Securities To Be Sold" in the filing.

What aggregate sale price is indicated for the ASTS shares in this Form 144?

The filing lists an aggregate sale price of $2,357,400.00 for the 40,000 shares of AST SpaceMobile Class A common stock covered by the Rule 144 notice.

How and when were the ASTS shares to be sold acquired?

The 40,000 shares to be sold were acquired from AST SpaceMobile by stock option exercise for cash on August 19, 2026, as indicated in the "Securities To Be Sold" section of the notice.

When are the ASTS shares proposed to be sold under this Form 144?

The notice identifies September 16, 2026 in connection with the proposed sale of the 40,000 shares of AST SpaceMobile Class A common stock, indicating the contemplated sale date on NASDAQ.

What share count reference for ASTS is included in the Form 144?

The filing references 299,789,305 shares in the securities information section, providing a share-count baseline in connection with the proposed Rule 144 sale.

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

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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	0002027976
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 International 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	Yao Huiwen
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 Common Stock	B. Riley Securities, Inc. 11100 Santa Monica Blvd. Suite 800 Los Angeles CA 90025	40000	2357400.00	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 Common Stock	08/19/2026	Stock Option Exercise	Issuer			40000	08/19/2026	Cash

* 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
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	06/05/2026
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/ Huiwen Yao
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)