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  4. [Form 3] Anterix Inc. Initial Statement of Beneficial Ownership

ATEX CFO initial ownership: 7,028 shares and 3,680 options

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
3

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.

Positive

  • None.

Negative

  • None.
Insider Marquez Elena
Role Chief Financial Officer
Type Security Shares Price Value
holding Stock Option (Right to Buy) -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Stock Option (Right to Buy) — 3,680 shares (Direct); Common Stock — 7,028 shares (Direct)
Footnotes (1)
  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. 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.

Source: View Original Filing on SEC EDGAR