Results of Operations and Financial Condition. On August 11, 2026 , Anterix Inc. (the “Company”) issued an Earnings Release announcing its first quarter fiscal 2027 financial results for the three months ended June 30, 2026. A copy of the Earnings Release is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. The information in this Current Report and in Exhibit 99.1 of

The filing describes a stock plan amendment, not a management change.

Results of Operations and Financial Condition. On June 10, 2026 , Anterix Inc. (the “Company”) issued an Earnings Release announcing its Fiscal 2026 fourth quarter and year-end financial results for the quarter and year ended March 31, 2026. A copy of the Earnings Release is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. The information in this Current Report and in Exhibits 99.1 of

Results of Operations and Financial Condition. On February 11, 2026 , Anterix Inc. (the “Company”) announced its third quarter fiscal 2026 financial results for the three and nine months ended December 31, 2025.

Chief Operating Officer — Ryan Gerbrandt: The Chief Operating Officer position is being eliminated as part of an internal reorganization.

Results of Operations and Financial Condition. On November 12, 2025 , Anterix Inc. (the “Company”) announced its second quarter fiscal 2026 financial results for the three and six months ended September 30, 2025.

Chief Regulatory and Communications Officer — Christopher Guttman-McCabe: The company entered into a bonus agreement with Christopher Guttman-McCabe.

Chief Financial Officer — Timothy A. Gray: Timothy A. Gray resigned as Chief Financial Officer, and Elena Marquez was appointed as the new Chief Financial Officer.

Results of Operations and Financial Condition. On August 12, 2025 , Anterix Inc. (the “Company”) announced its first quarter fiscal 2026 financial results for the three months ended June 30, 2025.

Changes in Registrant's Certifying Accountant. (a) Dismissal of Independent Registered Public Accounting Firm. On June 26, 2025, Anterix Inc. (the “Company”) notified Grant Thornton LLP (“Grant Thornton”) that it was dismissed as the Company’s independent registered public accounting firm, effective immediately. The decision to dismiss Grant Thornton was approved by the Company’s Audit Committee of the Board of Directors. The audit reports of Grant Thornton for the Company’s consolidated fina…

Results of Operations and Financial Condition. On June 24, 2025 , Anterix Inc. (the “Company”) announced its Fiscal 2025 fourth quarter and year-end financial results for the quarter and year ended March 31, 2025.

Results of Operations and Financial Condition. On February 11, 2025 , Anterix Inc. (the “Company”) announced its third quarter fiscal 2025 financial results for the three and nine months ended December 31, 2024.

Executive Chairman of the Board, Director, and executive of Anterix Inc. — Morgan E. O'Brien: Morgan E. O'Brien is retiring from his roles and will provide consulting services to the company.

Results of Operations and Financial Condition. On November 13, 2024 , Anterix Inc. (the “Company”) announced its second quarter fiscal 2025 financial results for the three and six months ended September 30, 2024.

Results of Operations and Financial Condition. On August 6, 2024 , Anterix Inc. (the “Company”) announced its first quarter fiscal 2025 financial results for the three months ended June 30, 2024.

Results of Operations and Financial Condition. On June 26, 2024 , Anterix Inc. (the “Company”) announced its Fiscal 2024 fourth quarter and year-end financial results for the quarter and year ended March 31, 2024.

Christopher Guttman-McCabe: The filing describes the grant of stock options to an existing officer, not a change in management or departure.

Results of Operations and Financial Condition. On February 14, 2024 , Anterix Inc. (the “Company”) announced its third quarter fiscal 2024 financial results for the three and nine months ended December 31, 2023.

Director — Paul Saleh: Resigned to take up a new role as CEO of Atos Group.

Director, Vice Chairman of the Board — Thomas Kuhn: The company appointed Thomas Kuhn as a director and Vice Chairman of the Board with significant equity-based compensation.

Results of Operations and Financial Condition. On November 13, 2023 , Anterix Inc. (the “Company”) announced its second quarter fiscal 2024 financial results for the three and six months ended September 30, 2023.

Other Events. On September 21, 2023, the Board of Directors of Anterix Inc. (the “Company”) authorized a share repurchase program (the “Share Repurchase Program”) pursuant to which the Company may repurchase up to $250,000,000 of the Company’s common stock, $0.0001 par value per share (“Common Stock”), on or before September 21, 2026. The Company may repurchase shares of its Common Stock via the open market and/or privately negotiated transactions. Repurchases will be made in accordance with…

Results of Operations and Financial Condition. On August 2, 2023 , Anterix Inc. (the “Company”) announced its first quarter fiscal 2024 financial results for the three months ended June 30, 2023.

Results of Operations and Financial Condition. On June 14, 2023, Anterix Inc. (the “Company”) announced its Fiscal 2023 fourth quarter and year-end financial results for the quarter and year ended March 31, 2023.

Director — Jeffrey Altman: Mr. Jeffrey Altman was appointed as a new independent director and joined the Strategy committee.