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).
	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* Kuhn Thomas R. (Last) (First) (Middle) 3 GARRET MOUNTAIN PLAZA SUITE 401 (Street) WOODLAND PARK NJ 07424 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Anterix Inc. [ ATEX ] Foreign Trading Symbol	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner Officer (give title below) Other (specify below) Executive Chairman
	3. Date of Earliest Transaction (Month/Day/Year) 05/20/2026
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person Form filed by More than One Reporting Person

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	05/20/2026		A		2,791	A	(1)	19,385	D
Common Stock	06/18/2026		S(2)		1,654	D	$79.52	17,731	D
Common Stock	08/24/2026		M		10,000	A	$33.62	27,731	D
Common Stock	08/24/2026		S		4,392	D	$88.182(3)	23,339	D
Common Stock	08/24/2026		S		4,418	D	$89.1187(4)	18,921	D
Common Stock	08/24/2026		S		790	D	$90.0009(5)	18,131	D
Common Stock	08/24/2026		S		400	D	$91.01	17,731	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
Stock Option (Right to Buy)	$33.62	08/24/2026		M			10,000	(6)	01/02/2034	Common Stock	10,000	$0	48,998	D

Explanation of Responses:

1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer's Common Stock. The RSU vests in full on the earlier of: (i) May 20, 2027, and (ii) the Issuer's next annual stockholder meeting.

2. These shares of Common Stock were automatically sold in a non-discretionary transaction to cover tax withholding obligations upon the settlement of certain time-based RSU awards.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.67 to $88.66, inclusive. The Reporting Person has provided to the Issuer and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.71 to $89.67, inclusive. The Reporting Person has provided to the Issuer and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.79 to $90.51, inclusive. The Reporting Person has provided to the Issuer and undertakes to provide to the staff of the Securities and Exchange Commission or any security holder of the Issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

6. 1/3rd of the option shares vest and become exercisable on January 2, 2025, with the remaining option shares vesting in two equal annual installments thereafter.

Remarks:

	s/ Gena L. Ashe, Attorney-in-Fact	08/26/2026
	** 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).
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