Anterix (NASDAQ: ATEX) director plans about $888K stock sale

Rhea-AI Filing Summary

Anterix Inc. (ATEX) director Thomas Kuhn filed a Rule 144 notice indicating an intention to sell 10,000 shares of Anterix common stock through Morgan Stanley Smith Barney LLC on 08/24/2026, in connection with a stock option exercise. The proposed sale has an approximate aggregate market value of $888,527.00. Kuhn previously sold 1,654 shares of common stock on 06/18/2026 for proceeds of $131,526.08.

Key Figures

Shares to be sold: 10,000 shares Aggregate market value of planned sale: $888,527.00 Prior shares sold: 1,654 shares +3 more

6 metrics

Shares to be sold 10,000 shares Planned sale of Anterix common stock on 08/24/2026 under Rule 144

Aggregate market value of planned sale $888,527.00 Value of 10,000 Anterix common shares listed in the Form 144

Prior shares sold 1,654 shares Shares of Anterix common stock sold on 06/18/2026 during past 3 months

Proceeds from prior sale $131,526.08 Total proceeds from 1,654 shares sold on 06/18/2026

Planned sale date 08/24/2026 Date for stock option exercise and related sale of 10,000 shares

Issuer phone number (973) 771-0300 Anterix Inc. contact phone number

Key Terms

Rule 144, Stock Option Exercise, Securities To Be Sold, Securities Sold During The Past 3 Months

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.

Stock Option Exercise financial

"Common | 08/24/2026 | 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.

Securities To Be Sold financial

"144: Securities To Be Sold"

Securities Sold During The Past 3 Months financial

"144: Securities Sold During The Past 3 Months"

FAQ

What insider transaction did Anterix Inc. (ATEX) disclose in this Form 144?

Director Thomas Kuhn filed a Rule 144 notice for a planned sale of 10,000 shares of Anterix common stock on 08/24/2026, related to a stock option exercise, with an indicated aggregate market value of about $888,527.00.

How many Anterix (ATEX) shares does Thomas Kuhn plan to sell and when?

Thomas Kuhn plans to sell 10,000 shares of Anterix common stock on or about 08/24/2026. The sale is reported as occurring in connection with a stock option exercise and will be executed through Morgan Stanley Smith Barney LLC.

What is the approximate value of the Anterix (ATEX) shares covered by this Form 144?

The Form 144 lists an aggregate market value of approximately $888,527.00 for the planned sale of 10,000 shares of Anterix common stock, based on the price information provided in the securities information section.

Which broker is handling the planned Anterix (ATEX) share sale for Thomas Kuhn?

The planned sale of 10,000 Anterix common shares by Thomas Kuhn is to be executed through Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, New York, NY.

Have there been recent Anterix (ATEX) share sales by Thomas Kuhn before this notice?

Yes. The filing reports that Thomas Kuhn sold 1,654 shares of Anterix common stock on 06/18/2026 for total proceeds of $131,526.08 during the three months preceding the new planned sale.

On which market are the Anterix (ATEX) shares in this Form 144 listed?

The shares referenced in this Form 144 are Anterix common stock listed on the NASDAQ market, as indicated in the securities information section.

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

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Available on EDGAR 08/24/2026 - 04:12 PM Accepted by SEC EDGAR 08/24/2026 - 04:12 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	0001571521
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	ANTERIX INC.
SEC File Number	001-36827
Address of Issuer	3 Garret Mountain Plaza Suite 401 Woodland Park NEW JERSEY 07424
Phone	(973) 771-0300
Name of Person for Whose Account the Securities are To Be Sold	THOMAS KUHN
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	Director

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	10000	888527.00	19609786	08/24/2026	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	08/24/2026	Stock Option Exercise	Issuer			10000	08/24/2026	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
THOMAS KUHN 3 Garret Mountain Plaza Suite 401 Woodland Park NJ 07424	COMMON	06/18/2026	1654	131526.08

144: Remarks and Signature

Remarks
Date of Notice	08/24/2026
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/ Thomas R Kuhn
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)