Anterix Inc 2025年度报告

UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington, D.C. 20549 ______________________________________________FORM10-K______________________________________________ (Mark One) ☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF1934 For the fiscal year endedMarch 31, 2026OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF1934 For the transition period fromtoCommission File Number:001-36827 Anterix Inc. (Exact name of registrant as specified in its charter)______________________________________________ (973) 771-0300(Registrant’s telephone number, including area code)______________________________________________ Securities registered pursuant to Section 12(b) of the Act: Securities registered pursuant to Section 12(g) of the Act: None. Indicate by check mark if the registrant is a well-known seasoned issuer, as defined Rule 405 of the Securities Act.☐Yes☒No Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.☐Yes☒No Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities ExchangeAct of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has beensubject to such filing requirements for the past 90 days.☒Yes☐No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant toRule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant wasrequired to submit such files).☒Yes☐No Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reportingcompany, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,”and “emerging growth company” in Rule 12b-2 of the Exchange Act. Large accelerated filer☐Non-accelerated filer☒Emerging growth company☐ Accelerated filer☐Smaller reporting company☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complyingwith any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of itsinternal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered publicaccounting firm that prepared or issued its audit report.☐ If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrantincluded in the filing reflect the correction of an error to previously issued financial statements.☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).☐Yes☒No The aggregate market value of the registrant’s voting common and non-voting stock held by non-affiliates of the registrant based on theclosing stock price of its common stock on the Nasdaq Capital Market on September 30, 2025 (the last business day of its most recentlycompleted second fiscal quarter) was $241,938,984. For purposes of this computation only, all executive officers, directors and 10% orgreater stockholders have been deemed affiliates of the registrant. As of June 19, 2026, 19,498,473 shares of the registrant’s common stock were outstanding. DOCUMENTS INCORPORATED BY REFERENCE Portions of the registrant’s definitive proxy statement to be filed with the Securities and Exchange Commission pursuant to Regulation 14A inconnection with the registrant’s2026Annual Meeting of Stockholders, which will be filed subsequent to the date hereof, are incorporated byreference into Part III of this Form 10-K where indicated. Such definitive proxy statement will be filed with the Securities and ExchangeCommission no later than 120 days following the end of the registrant’s fiscal year ended March 31, 2026. Anterix Inc.FORM 10-KFor the fiscal year ended March 31, 2026 TABLE OF CONTENTS Glossary of Selected Terms Unless otherwise noted or indicated by context, the following selected terms used in this Annual Report on Form 10-Khave the following meanings: 240 Channels:Equals 6 MHz of 900 MHz spectrum whether the individual 25 kHz channels are scattered throughoutthe 5 x 5 or 10 MHz 900 MHz band or are contained within the contiguous 3 x 3 or 6 MHz broadband segment. 3 x 3 or 6 MHz:The broadband segment of the 900 MHz band (897.5 - 900.5 / 936.5 - 939.5 MHz) is authorized for atotal of 6 MHz of spectrum, with 3 MHz designated for uplink transmissions and 3 MHz for downlink transmissions. 5 x 5 or 10 MHz:The n