Anterix (ATEX) CFO Form 3: 7,028 shares, 3,680 options disclosed

Anterix Inc. (ATEX) filed a Form 3 for its Chief Financial Officer, reporting initial beneficial ownership as of 09/22/2025.

Accepted by SEC EDGAR 11/04/2025 - 07:11 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Anterix Inc. (ATEX) filed a Form 3 for its Chief Financial Officer, reporting initial beneficial ownership as of 09/22/2025. The CFO holds 7,028 shares of common stock, which include Restricted Stock Units: 877 shares vesting on May 15, 2026; 672 shares vesting on July 12, 2026; and 3,925 shares vesting in three equal annual installments beginning October 4, 2025.

The filing also lists a stock option for 3,680 shares at an exercise price of $40, expiring on 04/03/2035, vesting in three equal annual installments beginning October 4, 2025.

Insider Trade Summary

Holdings reported, no transactions

Holdings

Insider Marquez Elena

Role Chief Financial Officer

Type	Security	Shares	Price	Value
Holding	Stock Option (Right to Buy)	--	--	--
Holding	Common Stock	--	--	--

Holdings: Stock Option (Right to Buy) — 3,680 contracts (Direct); Common Stock — 7,028 shares (Direct)

Footnotes (2)

1. F1. Includes Restricted Stock Units in the amount (i) 877 shares vesting on May 15, 2026; (ii) 672 shares vesting on July 12, 2026; and (iii) 3,925 shares vesting in 3 equal annual installments beginning on October 4, 2025.
2. F2. The option shares vest and become exercisable in 3 equal annual installments beginning on October 4, 2025.

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SEC Form 3

FORM 3

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

INITIAL STATEMENT OF 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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Marquez Elena

(Last) (First) (Middle)

3 GARRET MOUNTAIN PLAZA, SUITE 401

(Street)

WOODLAND PARK NJ 07424

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
09/22/2025

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Financial Officer

5. If Amendment, Date of 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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	7,028(1)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (Right to Buy)	(2)	04/03/2035	Common Stock	3,680	$40	D

Explanation of Responses:

1. Includes Restricted Stock Units in the amount (i) 877 shares vesting on May 15, 2026; (ii) 672 shares vesting on July 12, 2026; and (iii) 3,925 shares vesting in 3 equal annual installments beginning on October 4, 2025.

2. The option shares vest and become exercisable in 3 equal annual installments beginning on October 4, 2025.

Remarks:

	/s/ Gena L. Ashe, Attorney-in-Fact	11/04/2025
	** 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 5 (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.