SEC Form 4 · accession 0001828490-26-000008
Anterix Inc. · ATEX
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
A later amendment supersedes this filing — read the amendment. The figures below are kept as originally reported (version chain, not an overwrite).
Reporting owner
Christopher Guttman-McCabe
Officer — Chief Reg & Comm Officer
Period of report
Jun 15, 2026
Accepted (ET)
Jun 17, 2026 · 7:11 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 Stock | Jun 15, 2026 | M | 11,750 | $25.75 | A | 58,142 | D | |
| Common Stock | Jun 15, 2026 | M | 8,000 | $32.50 | A | 66,142 | D | |
| Common Stock | Jun 15, 2026 | M | 50,876 | $34.40 | A | 117,018 | D | |
| Common Stock | Jun 15, 2026 | M | 20,000 | $37.42 | A | 137,018 | D | |
| Common Stock | Jun 15, 2026 | M | 6,715 | $42.14 | A | 143,733 | D | |
| Common Stock | Jun 15, 2026 | M | 25,511 | $49.39 | A | 169,244 | D | |
| Common StockF1 | Jun 15, 2026 | S | 35,321 | $81.3236 | D | 133,923 | D | |
| Common StockF2 | Jun 15, 2026 | S | 26,411 | $82.2727 | D | 107,512 | D | |
| Common StockF3 | Jun 15, 2026 | S | 16,381 | $83.7233 | D | 91,131 | D | |
| Common StockF4 | Jun 15, 2026 | S | 13,324 | $84.2898 | D | 77,807 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy)F5 | $25.75 | Jun 15, 2026 | M | 11,750 | D | — | Feb 27, 2027 | Common Stock | 11,750 | 0 | D |
| Stock Option (Right to Buy)F5 | $32.50 | Jun 15, 2026 | M | 8,000 | D | — | Feb 5, 2028 | Common Stock | 8,000 | 0 | D |
| Stock Option (Right to Buy)F5 | $34.40 | Jun 15, 2026 | M | 50,876 | D | — | Oct 21, 2030 | Common Stock | 50,876 | 0 | D |
| Stock Option (Right to Buy)F5 | $37.42 | Jun 15, 2026 | M | 20,000 | D | — | Feb 28, 2034 | Common Stock | 20,000 | 40,000 | D |
| Stock Option (Right to Buy)F5 | $42.14 | Jun 15, 2026 | M | 6,715 | D | — | Feb 11, 2029 | Common Stock | 6,715 | 0 | D |
| Stock Option (Right to Buy)F5 | $49.39 | Jun 15, 2026 | M | 25,511 | D | — | May 17, 2032 | Common Stock | 25,511 | 0 | D |
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 $80.98 to $81.89, 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.
- F2The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.99 to $82.89, 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.
- F3The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.06 to $84.06, 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.
- F4The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.07 to $84.90, 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.
- F5The option shares are fully vested.