Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Ashe Gena L 2. Issuer Name and Ticker or Trading Symbol Anterix Inc. [ATEX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Legal Officer & Corp Sec (Last) (First) (Middle) 3 GARRET MOUNTAIN PLAZA, SUITE 401 3. Date of Earliest Transaction (Month/Day/Year) 06/15/2026 (Street) WOODLAND PARK, NJ 07424 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) 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 06/15/2026 M 11,000 A $34.96 24,531 D Common Stock 06/15/2026 M 18,368 A $49.39 42,899 D Common Stock 06/15/2026 F 4,661(1) D $82.5 38,238 D Common Stock 06/15/2026 F 10,996(2) D $82.5 27,242 D Common Stock 06/15/2026 S 13,375 D $81.0385(3) 13,867 D Common Stock 06/15/2026 S 4,336 D $82.14 9,531 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities (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 of Derivative Security: 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

Stock Option (Right to Buy)

$34.96

06/15/2026

M

11,000

(4)

05/20/2035

Common Stock

11,000

$ 0

42,491

D

Stock Option (Right to Buy)

$49.39

06/15/2026

M

18,368

(5)

05/17/2032

Common Stock

18,368

$ 0

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Ashe Gena L 3 GARRET MOUNTAIN PLAZA SUITE 401 WOODLAND PARK, NJ 07424			Chief Legal Officer & Corp Sec

Signatures

/s/ Gena L. Ashe		06/17/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	The Reporting Person exercised a stock option to purchase 11,000 shares of the Issuer's Common Stock for $34.96 per share and paid the exercise price on a cashless basis, resulting in the Issuer withholding an aggregate of 4,661 shares of the Issuer's Common Stock subject to the stock option to pay the exercise price and to satisfy its income tax withholding and remittance obligations in connection with the exercise of the stock option. The withholding of shares referenced here does not involve an open market sale of stock.
(2)	The Reporting Person exercised a stock option to purchase 18,368 shares of the Issuer's Common Stock for $49.39 per share and paid the exercise price on a cashless basis, resulting in the Issuer withholding an aggregate of 10,996 shares of the Issuer's Common Stock subject to the stock option to pay the exercise price and to satisfy its income tax withholding and remittance obligations in connection with the exercise of the stock option. The withholding of shares referenced here does not involve an open market sale of stock.
(3)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.00 to $81.64, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of securities sold at each separate price within the ranges set forth in this footnote to this Form 4.
(4)	The option shares subject to this option shall vest and become exercisable in three equal annual installments, with 1/3 of the option shares vesting and becoming exercisable on May 20, 2026, and with the remaining option shares vesting and becoming exercisable in two equal annual installments thereafter.
(5)	The option shares are fully vested.

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