Anterix CEO sells 15,000 shares at $80 each

Anterix's President and CEO directly held 26,470 shares after the reported sale.

This filing corrects an earlier one, and you can read the original Form 4 if you want to see what changed.

Rhea-AI Filing Summary

Anterix Inc. (ATEX) President and CEO Scott A. Lang sold 15,000 shares of common stock on September 21, 2026, at $80 per share. The sale was made under a Rule 10b5-1(c) trading plan adopted June 22, 2026. After the transaction, Lang directly held 26,470 shares.

Insider Trade Summary 10b5-1

Net Seller: 15,000 shares

Net Sell 1 txn

Insider Lang Scott A.

Role President and CEO

Sold 15,000 shs ($1.20M)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	15,000	$80.00	$1.20M

Holdings After Transaction: Common Stock — 26,470 shares (Direct)

Footnotes (1)

1. F1. This Form 4 is being amended to indicate that the transaction reported herein was effected pursuant to a Rule 10b5-1(c) trading plan adopted by the reporting person on June 22, 2026.

Key Figures

Shares sold: 15,000 shares Sale price: $80 per share Shares held after sale: 26,470 shares +1 more

4 metrics

Shares sold 15,000 shares Anterix common stock sale on September 21, 2026

Sale price $80 per share Sale on September 21, 2026

Shares held after sale 26,470 shares Scott A. Lang's direct holdings following the transaction

Plan adoption date June 22, 2026 Rule 10b5-1(c) trading plan

Key Terms

Rule 10b5-1(c) trading plan

1 terms

Rule 10b5-1(c) trading plan regulatory

"pursuant to a Rule 10b5-1(c) trading plan"

A Rule 10b5-1(c) trading plan is a legally defined, pre-set schedule that lets company insiders automatically buy or sell stock at specified times or under set formulas when they are not in possession of undisclosed, sensitive information. Think of it like an automatic payment plan for trades: because the instructions are written in advance, trades under the plan help protect insiders from allegations of trading on secret information and give investors clearer expectations about when insiders will transact, which can affect liquidity and perceived transparency.

FAQ

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

How many ATEX shares did Scott A. Lang sell?

Scott A. Lang sold 15,000 shares of Anterix common stock on September 21, 2026, at $80 per share.

Was the ATEX insider sale made under a Rule 10b5-1 plan?

Yes. The sale was made under a Rule 10b5-1(c) trading plan adopted by Scott A. Lang on June 22, 2026.

How many Anterix shares did Scott A. Lang hold after the sale?

After the sale, Scott A. Lang directly held 26,470 shares.

Who reported the ATEX stock sale?

Anterix President and CEO Scott A. Lang reported the sale of 15,000 shares of common stock.

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

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Available on EDGAR 09/23/2026 - 07:57 AM Accepted by SEC EDGAR 09/23/2026 - 07:56 AM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Lang Scott A.

(Last) (First) (Middle)

3 GARRET MOUNTAIN PLAZA

SUITE 401

(Street)

WOODLAND PARK NEW JERSEY 07424

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Anterix Inc. [ ATEX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/21/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)
09/22/2026

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/21/2026		S(1)		15,000	D	$80	26,470	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This Form 4 is being amended to indicate that the transaction reported herein was effected pursuant to a Rule 10b5-1(c) trading plan adopted by the reporting person on June 22, 2026.

Remarks:

	s/ Gena L. Ashe, Attorney-in-Fact	09/23/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)