SEC Form 4 · accession 0002035875-26-000006
Anterix Inc. · ATEX
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
William Heard
Director
Period of report
Aug 14, 2026
Accepted (ET)
Aug 18, 2026 · 5:38 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001304492
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1,F2 | Aug 14, 2026 | S | 46,400 | $90.1098 | D | 1,670,338 | I | By Heard Capital LLC |
| Common Stock, par value $0.0001 per share ("Common Stock") | holding | — | — | — | 9,365 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $89.9942 to $90.115, 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.
- F2These 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.