SEC Form 4 · accession 0002090798-26-000006
Anterix Inc. · ATEX
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Heather Martin
Officer — Chief Marketing Officer · Other
Period of report
Sep 9, 2026
Accepted (ET)
Sep 11, 2026 · 4:09 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 | Sep 9, 2026 | F | 3,465 | $85.44 | D | 34,807 | D | |
| Common StockF2 | Sep 10, 2026 | S | 8,064 | $84.2011 | D | 26,743 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The shares were withheld by the Issuer to satisfy withholding obligations in connection with the partial vesting and settlement of restricted stock units.
- F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.468 to $84.00, 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.