{"transactions":[{"id":673632,"issuer":{"id":4597,"kind":"organization","name":"Anterix Inc.","symbol":"ATEX"},"owners":[{"id":19038,"kind":"person","name":"Guttman-McCabe Christopher","position":1,"cik":"0001828490","reported_name":"Guttman-McCabe Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Reg & Comm Officer"}}],"security":"Stock Option (Right to Buy)","published_at":"2026-08-27T20:44:22.000Z","date":"2026-08-25","kind":"exercise","planned":false,"acquired":false,"shares":40000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The option shares are fully vested."}],"balance_after":0,"derivative":{"exercise_price":37.42,"expiration_date":"2034-02-28","underlying":"Common Stock","underlying_shares":40000},"source":{"system":"sec-edgar","filing":"0001828490-26-000019","document":"wk-form4_1787863459.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1304492/000182849026000019/wk-form4_1787863459.xml","form_type":"4"}},{"id":673631,"issuer":{"id":4597,"kind":"organization","name":"Anterix Inc.","symbol":"ATEX"},"owners":[{"id":19038,"kind":"person","name":"Guttman-McCabe Christopher","position":1,"cik":"0001828490","reported_name":"Guttman-McCabe Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Reg & Comm Officer"}}],"security":"Common Stock","published_at":"2026-08-27T20:44:22.000Z","date":"2026-08-25","kind":"sale","planned":false,"acquired":false,"shares":2696,"price":90.6095,"value":244283.212,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.01 to $90.06, 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."}],"balance_after":44876,"source":{"system":"sec-edgar","filing":"0001828490-26-000019","document":"wk-form4_1787863459.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1304492/000182849026000019/wk-form4_1787863459.xml","form_type":"4"}},{"id":673630,"issuer":{"id":4597,"kind":"organization","name":"Anterix Inc.","symbol":"ATEX"},"owners":[{"id":19038,"kind":"person","name":"Guttman-McCabe Christopher","position":1,"cik":"0001828490","reported_name":"Guttman-McCabe Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Reg & Comm Officer"}}],"security":"Common Stock","published_at":"2026-08-27T20:44:22.000Z","date":"2026-08-25","kind":"sale","planned":false,"acquired":false,"shares":7580,"price":91.6945,"value":695044.31,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.205 to $91.22, inclusive. The Reporting Person undertakes to\nprovide 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."}],"balance_after":47572,"source":{"system":"sec-edgar","filing":"0001828490-26-000019","document":"wk-form4_1787863459.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1304492/000182849026000019/wk-form4_1787863459.xml","form_type":"4"}},{"id":673629,"issuer":{"id":4597,"kind":"organization","name":"Anterix Inc.","symbol":"ATEX"},"owners":[{"id":19038,"kind":"person","name":"Guttman-McCabe Christopher","position":1,"cik":"0001828490","reported_name":"Guttman-McCabe Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Reg & Comm Officer"}}],"security":"Common Stock","published_at":"2026-08-27T20:44:22.000Z","date":"2026-08-25","kind":"sale","planned":false,"acquired":false,"shares":7791,"price":92.7691,"value":722764.0581,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $93.265 to $92.265, inclusive. The Reporting Person undertakes to\nprovide 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."}],"balance_after":55152,"source":{"system":"sec-edgar","filing":"0001828490-26-000019","document":"wk-form4_1787863459.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1304492/000182849026000019/wk-form4_1787863459.xml","form_type":"4"}},{"id":673628,"issuer":{"id":4597,"kind":"organization","name":"Anterix Inc.","symbol":"ATEX"},"owners":[{"id":19038,"kind":"person","name":"Guttman-McCabe Christopher","position":1,"cik":"0001828490","reported_name":"Guttman-McCabe Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Reg & Comm Officer"}}],"security":"Common Stock","published_at":"2026-08-27T20:44:22.000Z","date":"2026-08-25","kind":"sale","planned":false,"acquired":false,"shares":5372,"price":93.5863,"value":502745.6036,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $94.215 to $93.27, 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."}],"balance_after":62943,"source":{"system":"sec-edgar","filing":"0001828490-26-000019","document":"wk-form4_1787863459.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1304492/000182849026000019/wk-form4_1787863459.xml","form_type":"4"}},{"id":673627,"issuer":{"id":4597,"kind":"organization","name":"Anterix Inc.","symbol":"ATEX"},"owners":[{"id":19038,"kind":"person","name":"Guttman-McCabe Christopher","position":1,"cik":"0001828490","reported_name":"Guttman-McCabe Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Reg & Comm Officer"}}],"security":"Common Stock","published_at":"2026-08-27T20:44:22.000Z","date":"2026-08-25","kind":"tax_withholding","planned":false,"acquired":false,"shares":16561,"price":90.38,"value":1496783.18,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The Reporting Person exercised a stock option to purchase 40,000 shares of the Issuer's Common Stock for $37.42 per share and paid the exercise price on a cashless basis, resulting in the Issuer withholding an aggregate of 16,561 shares of the Issuer's Common Stock subject to the stock option to pay the exercise price and to satisfy its income tax withholding and remittance obligations in connection with the exercise of the stock option. The withholding of shares referenced here does not involve an open market sale of stock."}],"balance_after":68315,"source":{"system":"sec-edgar","filing":"0001828490-26-000019","document":"wk-form4_1787863459.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1304492/000182849026000019/wk-form4_1787863459.xml","form_type":"4"}},{"id":673626,"issuer":{"id":4597,"kind":"organization","name":"Anterix Inc.","symbol":"ATEX"},"owners":[{"id":19038,"kind":"person","name":"Guttman-McCabe Christopher","position":1,"cik":"0001828490","reported_name":"Guttman-McCabe Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Reg & Comm Officer"}}],"security":"Common Stock","published_at":"2026-08-27T20:44:22.000Z","date":"2026-08-25","kind":"exercise","planned":false,"acquired":true,"shares":40000,"price":34.72,"value":1388800.0,"ownership":{"direct":true},"balance_after":84876,"source":{"system":"sec-edgar","filing":"0001828490-26-000019","document":"wk-form4_1787863459.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1304492/000182849026000019/wk-form4_1787863459.xml","form_type":"4"}},{"id":686605,"issuer":{"id":4597,"kind":"organization","name":"Anterix Inc.","symbol":"ATEX"},"owners":[{"id":19038,"kind":"person","name":"Guttman-McCabe Christopher","position":1,"cik":"0001828490","reported_name":"Guttman-McCabe Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Reg & Comm Officer"}}],"security":"Common Stock","published_at":"2026-08-14T20:37:56.000Z","date":"2026-06-15","kind":"sale","planned":false,"acquired":false,"shares":7755,"price":84.4012,"value":654531.306,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F8","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"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."}],"balance_after":46392,"source":{"system":"sec-edgar","filing":"0001828490-26-000016","document":"wk-form4a_1786739874.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1304492/000182849026000016/wk-form4a_1786739874.xml","form_type":"4/A","original_submission_date":"2026-06-17"}},{"id":686604,"issuer":{"id":4597,"kind":"organization","name":"Anterix Inc.","symbol":"ATEX"},"owners":[{"id":19038,"kind":"person","name":"Guttman-McCabe Christopher","position":1,"cik":"0001828490","reported_name":"Guttman-McCabe Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Reg & Comm Officer"}}],"security":"Common Stock","published_at":"2026-08-14T20:37:56.000Z","date":"2026-06-15","kind":"sale","planned":false,"acquired":false,"shares":21050,"price":83.8596,"value":1765244.58,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F7","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"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."}],"balance_after":54147,"source":{"system":"sec-edgar","filing":"0001828490-26-000016","document":"wk-form4a_1786739874.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1304492/000182849026000016/wk-form4a_1786739874.xml","form_type":"4/A","original_submission_date":"2026-06-17"}},{"id":686603,"issuer":{"id":4597,"kind":"organization","name":"Anterix Inc.","symbol":"ATEX"},"owners":[{"id":19038,"kind":"person","name":"Guttman-McCabe Christopher","position":1,"cik":"0001828490","reported_name":"Guttman-McCabe Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Reg & Comm Officer"}}],"security":"Common Stock","published_at":"2026-08-14T20:37:56.000Z","date":"2026-06-15","kind":"sale","planned":false,"acquired":false,"shares":21045,"price":82.3878,"value":1733851.251,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F6","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"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."}],"balance_after":75197,"source":{"system":"sec-edgar","filing":"0001828490-26-000016","document":"wk-form4a_1786739874.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1304492/000182849026000016/wk-form4a_1786739874.xml","form_type":"4/A","original_submission_date":"2026-06-17"}},{"id":686602,"issuer":{"id":4597,"kind":"organization","name":"Anterix Inc.","symbol":"ATEX"},"owners":[{"id":19038,"kind":"person","name":"Guttman-McCabe Christopher","position":1,"cik":"0001828490","reported_name":"Guttman-McCabe Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Reg & Comm Officer"}}],"security":"Common Stock","published_at":"2026-08-14T20:37:56.000Z","date":"2026-06-15","kind":"sale","planned":false,"acquired":false,"shares":34870,"price":81.5097,"value":2842243.239,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"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."}],"balance_after":96242,"source":{"system":"sec-edgar","filing":"0001828490-26-000016","document":"wk-form4a_1786739874.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1304492/000182849026000016/wk-form4a_1786739874.xml","form_type":"4/A","original_submission_date":"2026-06-17"}},{"id":686601,"issuer":{"id":4597,"kind":"organization","name":"Anterix Inc.","symbol":"ATEX"},"owners":[{"id":19038,"kind":"person","name":"Guttman-McCabe Christopher","position":1,"cik":"0001828490","reported_name":"Guttman-McCabe Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Reg & Comm Officer"}}],"security":"Common Stock","published_at":"2026-08-14T20:37:56.000Z","date":"2026-06-15","kind":"sale","planned":false,"acquired":false,"shares":21434,"price":80.6322,"value":1728270.5748,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"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."}],"balance_after":131112,"source":{"system":"sec-edgar","filing":"0001828490-26-000016","document":"wk-form4a_1786739874.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1304492/000182849026000016/wk-form4a_1786739874.xml","form_type":"4/A","original_submission_date":"2026-06-17"}},{"id":686600,"issuer":{"id":4597,"kind":"organization","name":"Anterix Inc.","symbol":"ATEX"},"owners":[{"id":19038,"kind":"person","name":"Guttman-McCabe Christopher","position":1,"cik":"0001828490","reported_name":"Guttman-McCabe Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Reg & Comm Officer"}}],"security":"Common Stock","published_at":"2026-08-14T20:37:56.000Z","date":"2026-06-15","kind":"sale","planned":false,"acquired":false,"shares":5030,"price":79.5296,"value":400033.888,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"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."}],"balance_after":152546,"source":{"system":"sec-edgar","filing":"0001828490-26-000016","document":"wk-form4a_1786739874.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1304492/000182849026000016/wk-form4a_1786739874.xml","form_type":"4/A","original_submission_date":"2026-06-17"}},{"id":686599,"issuer":{"id":4597,"kind":"organization","name":"Anterix Inc.","symbol":"ATEX"},"owners":[{"id":19038,"kind":"person","name":"Guttman-McCabe Christopher","position":1,"cik":"0001828490","reported_name":"Guttman-McCabe Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Reg & Comm Officer"}}],"security":"Common Stock","published_at":"2026-08-14T20:37:56.000Z","date":"2026-06-15","kind":"sale","planned":false,"acquired":false,"shares":11668,"price":78.7255,"value":918569.134,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"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."}],"balance_after":157576,"source":{"system":"sec-edgar","filing":"0001828490-26-000016","document":"wk-form4a_1786739874.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1304492/000182849026000016/wk-form4a_1786739874.xml","form_type":"4/A","original_submission_date":"2026-06-17"}},{"id":709637,"issuer":{"id":4597,"kind":"organization","name":"Anterix Inc.","symbol":"ATEX"},"owners":[{"id":19038,"kind":"person","name":"Guttman-McCabe Christopher","position":1,"cik":"0001828490","reported_name":"Guttman-McCabe Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Reg & Comm Officer"}}],"security":"Common Stock","published_at":"2026-07-14T20:10:01.000Z","date":"2026-07-13","kind":"tax_withholding","planned":false,"acquired":false,"shares":1516,"price":100.96,"value":153055.36,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The shares were withheld by the Issuer to satisfy withholding obligations in connection with the partial vesting and settlement of restricted stock units."}],"balance_after":76291,"source":{"system":"sec-edgar","filing":"0001828490-26-000013","document":"wk-form4_1784059797.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1304492/000182849026000013/wk-form4_1784059797.xml","form_type":"4"}},{"id":733636,"issuer":{"id":4597,"kind":"organization","name":"Anterix Inc.","symbol":"ATEX"},"owners":[{"id":19038,"kind":"person","name":"Guttman-McCabe Christopher","position":1,"cik":"0001828490","reported_name":"Guttman-McCabe 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The prior Form 4 incorrectly reported that 25% of the RSUs vest and become exercisable on May 5, 2022, with the remaining RSUs vesting in 3 equal annual installments thereafter."}],"balance_after":58222,"source":{"system":"sec-edgar","filing":"0001209191-21-031402","document":"doc4a.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1304492/000120919121031402/doc4a.xml","form_type":"4/A","original_submission_date":"2021-05-06"}},{"id":2724892,"issuer":{"id":4597,"kind":"organization","name":"Anterix Inc.","symbol":"ATEX"},"owners":[{"id":19038,"kind":"person","name":"Guttman-McCabe Christopher","position":1,"cik":"0001828490","reported_name":"Guttman-McCabe Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Reg & Comm Officer"}}],"security":"Common Stock","published_at":"2021-05-06T21:51:57.000Z","date":"2021-05-05","kind":"grant","acquired":true,"shares":21740,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the issuance of restricted stock units (the \"RSUs\").  25% of the RSUs vest and become exercisable on May 5, 2022 with the remaining shares vesting in 3 equal annual installments thereafter."}],"balance_after":58222,"source":{"system":"sec-edgar","filing":"0001209191-21-030690","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1304492/000120919121030690/doc4.xml","form_type":"4"}},{"id":2845768,"issuer":{"id":4597,"kind":"organization","name":"Anterix Inc.","symbol":"ATEX"},"owners":[{"id":19038,"kind":"person","name":"Guttman-McCabe Christopher","position":1,"cik":"0001828490","reported_name":"Guttman-McCabe Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Reg & Comm Officer"}}],"security":"Common Stock","published_at":"2021-02-20T00:55:16.000Z","date":"2021-02-18","kind":"sale","acquired":false,"shares":7538,"price":44.255,"value":333594.19,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This transaction was executed in multiple sales through a sale order executed by a broker-dealer at prices ranging from $44.01 to $44.63. The price reported in this column reflects the weighted average sale price. The Reporting Person will provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price."}],"balance_after":36482,"source":{"system":"sec-edgar","filing":"0001209191-21-012592","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1304492/000120919121012592/doc4.xml","form_type":"4"}},{"id":2942111,"issuer":{"id":4597,"kind":"organization","name":"Anterix Inc.","symbol":"ATEX"},"owners":[{"id":19038,"kind":"person","name":"Guttman-McCabe Christopher","position":1,"cik":"0001828490","reported_name":"Guttman-McCabe Christopher","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Reg & Comm Officer"}}],"security":"Common Stock","published_at":"2020-12-17T00:23:12.000Z","date":"2020-12-16","kind":"sale","acquired":false,"shares":1590,"price":29.75,"value":47302.5,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares sold pursuant to a 10b-5-1 trading plan adopted by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units granted August 2020."}],"balance_after":44020,"source":{"system":"sec-edgar","filing":"0001209191-20-063906","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1304492/000120919120063906/doc4.xml","form_type":"4"}}]}