Anterix Inc. (ATEX) insider Scott Lang files Form 144 for stock sale

Rhea-AI Filing Summary

ATEX insider Scott Lang filed a notice of proposed sales of common stock. The filing lists brokerage firm Morgan Stanley Smith Barney LLC’s Executive Financial Services group as involved. It records two blocks of exercised shares from the issuer dated June 15, 2026 and a subsequent sale of 170 shares of common stock on June 18, 2026 for $13,642.50 within the prior three months.

Key Figures

Shares sold in last 3 months: 170 shares Sale amount: $13,642.50 Exercised share entry 1: Exercised Shares dated 06/15/2026 +1 more

4 metrics

Shares sold in last 3 months 170 shares Common stock sale on 06/18/2026 reported under securities sold during the past 3 months

Sale amount $13,642.50 Proceeds from 170-share common stock sale on 06/18/2026

Exercised share entry 1 Exercised Shares dated 06/15/2026 Common stock entry listed as Exercised Shares from Issuer on 06/15/2026

Exercised share entry 2 Exercised Shares dated 06/15/2026 Second common stock entry listed as Exercised Shares from Issuer on 06/15/2026

Key Terms

Form 144, Exercised Shares, Executive Financial Services

3 terms

Form 144 regulatory

"Scott Lang filed a notice of proposed sales of common stock on Form 144"

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.

Exercised Shares financial

"Common | 06/15/2026 | Exercised Shares | Issuer"

Executive Financial Services financial

"Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza"

FAQ

What does the ATEX Form 144 filed by Scott Lang report?

The Form 144 reports planned sales of ATEX common stock by Scott Lang. It notes exercised shares from June 15, 2026 and a subsequent sale of 170 shares on June 18, 2026 for $13,642.50.

How many ATEX shares did Scott Lang sell in the last 3 months?

The filing lists a sale of 170 shares of ATEX common stock on June 18, 2026. The transaction amount shown is $13,642.50, reported under securities sold during the past three months.

What ATEX share activity is shown as exercised in this Form 144?

The Form 144 lists two entries of exercised shares of ATEX common stock dated June 15, 2026. These entries appear as issuer-related exercises before the reported open-market sale on June 18, 2026.

Which broker is associated with the ATEX Form 144 transactions?

The broker listed is Morgan Stanley Smith Barney LLC Executive Financial Services, located at 1 New York Plaza, 8th Floor, New York, NY 10004. This group is named in connection with the ATEX common stock reported.

On which exchange is the ATEX stock in the Form 144 listed?

The filing identifies the common stock involved as traded on NASDAQ. This reference appears in the section describing the ATEX common stock and related broker information.

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Available on EDGAR 08/14/2026 - 06:35 PM Accepted by SEC EDGAR 08/14/2026 - 06:34 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
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

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	35057	3162733.86	19609786	08/14/2026	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	Exercised Shares	Issuer			26060	06/15/2026	Cash
Common	06/15/2026	Exercised Shares	Issuer			8997	06/15/2026	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
SCOTT LANG 3 Garret Mountain Plaza Suite 401 Woodland Park NJ 07424	Common	06/18/2026	170	13642.50

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)