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Anterix Inc. (ATEX) director donates 1,887 shares to charity

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Director William Heard of Anterix Inc. reported a bona fide gift of 1,887 shares of Common Stock on December 29, 2025, as a charitable donation to a Donor Advised Fund. After this transfer, he holds 9,365 shares directly and 1,716,738 shares indirectly through funds managed by Heard Capital LLC, for which beneficial ownership is disclaimed except to the extent of his pecuniary interest.

Positive

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Insider Heard William
Role Director
Type Security Shares Price Value
Gift Common Stock, par value $0.0001 per share ("Common Stock") F1 1,887 $0.00 $0.00
holding Common Stock F2 -- -- --
Holdings After Transaction: Common Stock, par value $0.0001 per share ("Common Stock") — 9,365 shares (Direct); Common Stock — 1,716,738 shares (Indirect, By Heard Capital LLC)
Footnotes (2)
  1. F1. Represents a charitable donation of shares to a Donor Advised Fund.
  2. F2. These securities are held by certain investment funds and/or accounts for which Heard Capital LLC serves as investment manager. The Reporting Person is the ultimate beneficial owner of Heard Capital LLC. Each of Heard Capital LLC and the Reporting Person disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein.
Shares gifted 1,887 shares Bona fide gift of Common Stock on December 29, 2025
Direct holdings after transaction 9,365 shares Common Stock held directly by William Heard after the charitable gift
Indirect holdings via Heard Capital LLC 1,716,738 shares Common Stock held indirectly by funds/accounts managed by Heard Capital LLC
Per-share value reported for gift 0.0000 Per-share transaction price for the bona fide gift of 1,887 shares
bona fide gift regulatory
"Transaction code description is "Bona fide gift" for the 1,887-share transfer"
A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.
Donor Advised Fund financial
"Footnote F1 states the shares were donated to a Donor Advised Fund"
A donor advised fund is a charitable savings account you fund with cash or assets (including stocks) that lets you take an immediate tax benefit while recommending when and which charities receive grants over time. Think of it like a dedicated piggy bank for giving: you get tax relief when you put money in, can avoid selling appreciated securities and triggering capital gains, and still control the timing and recipients of donations, which affects tax planning, portfolio decisions, and public giving signals.
pecuniary interest financial
"Footnote F2 disclaims beneficial ownership except to the extent of pecuniary interest"
indirect ownership financial
"1,716,738 shares listed as indirect ownership "By Heard Capital LLC""

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FAQ

What transaction did Anterix (ATEX) director William Heard report in this Form 4?

William Heard reported a bona fide gift of Anterix Common Stock. He donated 1,887 shares on December 29, 2025 to a charitable Donor Advised Fund, reducing his directly held share count while maintaining significant indirect holdings through Heard Capital LLC–managed funds.

How many Anterix (ATEX) shares did William Heard donate, and on what date?

Heard donated 1,887 shares of Anterix Common Stock on December 29, 2025. The transaction was coded as a bona fide gift and described in a footnote as a charitable donation of shares to a Donor Advised Fund for philanthropic purposes.

What are William Heard’s direct Anterix (ATEX) share holdings after the reported gift?

Following the gift, Heard holds 9,365 Anterix Common Stock shares directly. This post-transaction balance reflects the reduction from the 1,887 shares transferred as a charitable donation on December 29, 2025, reported at a per-share value of 0.0000.

What indirect Anterix (ATEX) holdings through Heard Capital LLC are disclosed?

The filing lists 1,716,738 Anterix shares as indirectly held "By Heard Capital LLC." These securities are in funds or accounts managed by Heard Capital LLC, and both Heard Capital LLC and Heard disclaim beneficial ownership except to the extent of any pecuniary interest.

Was William Heard’s Anterix (ATEX) share gift made under a Rule 10b5-1 trading plan?

The Form 4 indicates the transaction was not made pursuant to a Rule 10b5-1 plan. The Rule 10b5-1 checkbox is not affirmed, and the footnotes describe the transfer specifically as a charitable donation of shares to a Donor Advised Fund.
SEC Form 4
FORM 4UNITED 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*
Heard William

(Last)(First)(Middle)
C/O HEARD CAPITAL LLC
1 N. WACKER DRIVE, SUITE 3650

(Street)
CHICAGO ILLINOIS 60606

(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
12/29/2025
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(A) or (D)Price
Common Stock, par value $0.0001 per share ("Common Stock")12/29/2025G(1)1,887D$09,365D
Common Stock1,716,738IBy Heard Capital LLC(2)
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Represents a charitable donation of shares to a Donor Advised Fund.
2. These securities are held by certain investment funds and/or accounts for which Heard Capital LLC serves as investment manager. The Reporting Person is the ultimate beneficial owner of Heard Capital LLC. Each of Heard Capital LLC and the Reporting Person disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities and Exchange Act of 1934, as amended, except to the extent of his or its pecuniary interest therein.
Remarks:
s/ Gena L. Ashe, Attorney-in-Fact08/07/2026
** Signature of Reporting PersonDate
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)