InsiderTrades

Form 4/A for ATEX Anterix Inc.

Accepted 2026-08-14 16:37:56 ET · period of report 2026-06-15 · accession 0001828490-26-000016 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
MA 2026-08-14 16:37 2026-06-15 ATEX Guttman-McCabe Christopher Chief Reg, Comm Off S - Sale $81.75 -122.9K 46.4K -73% -$10.04M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-06-15 S D 11,668 $78.73 157,576 D — — (F1) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $78.07 to $79.07, 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. (F2) This Form 4/A amends the Form 4 filed by the reporting person on June 17, 2026 (the "Original Form 4"), which due to a clerical error inadvertently reported the incorrect number of securities sold in column 4 of Table I and the amount of shares beneficially owned in column 5 of Table I. This Form 4/A is being filed solely to correct the number of securities reported in column 4 and column 5 of Table II to reflect that an additional 31,415 shares were sold. No other amendments or changes have been made to the Original Form 4, except as reported in the Form 4/A filed by the Reporting Person on July 10, 2026.
2 Common Common Stock 2026-06-15 S D 5,030 $79.53 152,546 D — — (F3) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $79.085 to $80.035, 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. (F2) This Form 4/A amends the Form 4 filed by the reporting person on June 17, 2026 (the "Original Form 4"), which due to a clerical error inadvertently reported the incorrect number of securities sold in column 4 of Table I and the amount of shares beneficially owned in column 5 of Table I. This Form 4/A is being filed solely to correct the number of securities reported in column 4 and column 5 of Table II to reflect that an additional 31,415 shares were sold. No other amendments or changes have been made to the Original Form 4, except as reported in the Form 4/A filed by the Reporting Person on July 10, 2026.
3 Common Common Stock 2026-06-15 S D 21,434 $80.63 131,112 D — — (F4) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $80.085 to $81.07, 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. (F2) This Form 4/A amends the Form 4 filed by the reporting person on June 17, 2026 (the "Original Form 4"), which due to a clerical error inadvertently reported the incorrect number of securities sold in column 4 of Table I and the amount of shares beneficially owned in column 5 of Table I. This Form 4/A is being filed solely to correct the number of securities reported in column 4 and column 5 of Table II to reflect that an additional 31,415 shares were sold. No other amendments or changes have been made to the Original Form 4, except as reported in the Form 4/A filed by the Reporting Person on July 10, 2026.
4 Common Common Stock 2026-06-15 S D 34,870 $81.51 96,242 D — — (F5) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.09 to $82.035, 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. (F2) This Form 4/A amends the Form 4 filed by the reporting person on June 17, 2026 (the "Original Form 4"), which due to a clerical error inadvertently reported the incorrect number of securities sold in column 4 of Table I and the amount of shares beneficially owned in column 5 of Table I. This Form 4/A is being filed solely to correct the number of securities reported in column 4 and column 5 of Table II to reflect that an additional 31,415 shares were sold. No other amendments or changes have been made to the Original Form 4, except as reported in the Form 4/A filed by the Reporting Person on July 10, 2026.
5 Common Common Stock 2026-06-15 S D 21,045 $82.39 75,197 D — — (F6) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.14 to $83.095, 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. (F2) This Form 4/A amends the Form 4 filed by the reporting person on June 17, 2026 (the "Original Form 4"), which due to a clerical error inadvertently reported the incorrect number of securities sold in column 4 of Table I and the amount of shares beneficially owned in column 5 of Table I. This Form 4/A is being filed solely to correct the number of securities reported in column 4 and column 5 of Table II to reflect that an additional 31,415 shares were sold. No other amendments or changes have been made to the Original Form 4, except as reported in the Form 4/A filed by the Reporting Person on July 10, 2026.
6 Common Common Stock 2026-06-15 S D 21,050 $83.86 54,147 D — — (F7) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.225 to $84.21, 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. (F2) This Form 4/A amends the Form 4 filed by the reporting person on June 17, 2026 (the "Original Form 4"), which due to a clerical error inadvertently reported the incorrect number of securities sold in column 4 of Table I and the amount of shares beneficially owned in column 5 of Table I. This Form 4/A is being filed solely to correct the number of securities reported in column 4 and column 5 of Table II to reflect that an additional 31,415 shares were sold. No other amendments or changes have been made to the Original Form 4, except as reported in the Form 4/A filed by the Reporting Person on July 10, 2026.
7 Common Common Stock 2026-06-15 S D 7,755 $84.40 46,392 D — — (F8) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.23 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. (F2) This Form 4/A amends the Form 4 filed by the reporting person on June 17, 2026 (the "Original Form 4"), which due to a clerical error inadvertently reported the incorrect number of securities sold in column 4 of Table I and the amount of shares beneficially owned in column 5 of Table I. This Form 4/A is being filed solely to correct the number of securities reported in column 4 and column 5 of Table II to reflect that an additional 31,415 shares were sold. No other amendments or changes have been made to the Original Form 4, except as reported in the Form 4/A filed by the Reporting Person on July 10, 2026.