ATEX (NASDAQ) Form 144: insiders list 13,711-option exercise, 4,000 RSUs

Rhea-AI Filing Summary

ATEX submitted a Form 144 notice disclosing intended sales of Common Stock. The filing lists a stock option exercise line for 13,711 shares dated 06/15/2026 and two restricted stock entries of 1,250 shares (dated 05/17/2026) and 2,750 shares (dated 05/22/2026). The entries identify Morgan Stanley Smith Barney LLC as the broker and NASDAQ as the market.

Insights

Securities Compliance Analyst

Form 144 lists proposed dispositions of registered common shares tied to an option exercise and restricted stock entries.

The notice names a broker (Morgan Stanley Smith Barney LLC) and shows specific share quantities with transaction dates: 06/15/2026, 05/17/2026, and 05/22/2026

Filing is procedural: it notifies the SEC of intended sales under Rule 144. Timing, final sales execution, and proceeds are not provided in the excerpt.

Key Figures

Stock option exercise: 13,711 shares Restricted stock entry: 1,250 shares Restricted stock entry: 2,750 shares +2 more

5 metrics

Stock option exercise 13,711 shares listed for <date>06/15/2026</date>

Restricted stock entry 1,250 shares dated <date>05/17/2026</date>

Restricted stock entry 2,750 shares dated <date>05/22/2026</date>

Market NASDAQ market listed on the filing

Broker-dealer Morgan Stanley Smith Barney LLC identified as broker on the notice

Key Terms

Form 144, Stock Option Exercise, Restricted Stock

3 terms

Form 144 regulatory

"Filer Information | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Stock Option Exercise financial

"Common | 06/15/2026 | Stock Option Exercise"

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.

Restricted Stock financial

"Common | 05/17/2026 | Restricted Stock"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

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

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Available on EDGAR 06/15/2026 - 04:11 PM Accepted by SEC EDGAR 06/15/2026 - 04:10 PM Learn about SEC filing dates

FAQ

What does ATEX's Form 144 disclose?

The filing discloses intended dispositions of common stock including 13,711 shares via a stock option exercise on 06/15/2026 and restricted stock entries of 1,250 and 2,750 shares on 05/17/2026 and 05/22/2026.

Who is the broker listed on the ATEX Form 144?

The filing lists Morgan Stanley Smith Barney LLC as the broker-dealer handling the transactions, with an address at 1 New York Plaza, New York, NY, and identifies NASDAQ as the market.

Do these entries confirm shares were sold for ATEX?

No. The Form 144 lists intended or proposed dispositions and relevant dates; it does not confirm execution, sale prices, or proceeds. Final sale execution details are not included in the excerpt.

What types of securities are referenced in the ATEX Form 144?

The excerpt references Common Stock associated with a Stock Option Exercise (13,711 shares) and two Restricted Stock entries (1,250 and 2,750 shares), each tied to specific dates in May and June 2026.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	17711	1440049.07	18732889	06/15/2026	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 *
Common	06/15/2026	Stock Option Exercise	Issuer			13711	06/15/2026	Cash
Common	05/17/2026	Restricted Stock	Issuer			1250	05/17/2026	Not Applicable
Common	05/22/2026	Restricted Stock	Issuer			2750	05/22/2026	Not Applicable

* 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

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)