Washington, D.C. 20549______________________ FORM10-Q______________________ (Mark One)xQUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period endedSeptember30, 2025 OR oTRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934For the transition period from __________ to __________Commission File Number:001-36827______________________ Anterix Inc. (Exact name of registrant as specified in its charter)______________________ Delaware (973)771-0300(Registrant’s telephone number, including area code) (Former name, former address and former fiscal year, if changed since last report)______________________ Securities registered pursuant to Section 12(b) of the Act: Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the SecuritiesExchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports),and (2) has been subject to such filing requirements for the past 90 days.xYesoNo Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submittedpursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that theregistrant was required to submit such files).xYesoNo Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smallerreporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smallerreporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. Large accelerated fileroAccelerated fileroNon-accelerated filerxSmaller reporting companyxEmerging growth companyo If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period forcomplying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.o Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).oYesxNo At November7, 2025,18,716,625shares of the registrant’s common stock were outstanding. Anterix Inc.FORM 10-QFor the quarterly period ended September30, 2025 TABLE OF CONTENTS PART I. FINANCIAL INFORMATIONItem 1.Consolidated Financial Statements5Consolidated Balance Sheets as of September 30, 2025 (Unaudited) and March 31, 20255Unaudited Consolidated Statements of Operations for the three and six months ended September 30,2025 and 20246Unaudited Consolidated Statements of Stockholders’ Equity for the three and six months endedSeptember 30, 2025 and 20247Unaudited Consolidated Statements of Cash Flows for the six months ended September 30, 2025 and20249Notes to Unaudited Consolidated Financial Statements11Item 2.Management’s Discussion and Analysis of Financial Condition and Results of Operations23Item 3.Quantitative and Qualitative Disclosures about Market Risk29Item 4.Controls and Procedures30PART II. OTHER INFORMATION31Item 1.Legal Proceedings31Item 1A.Risk Factors31Item 2.Unregistered Sales of Equity Securities and Use of Proceeds32Item 3.Defaults Upon Senior Securities32Item 4.Mine Safety Disclosures32Item 5.Other Information32Item 6.Exhibits33SIGNATURES34 CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS This Quarterly Report on Form 10-Q (the “Quarterly Report”) includes statements of our expectations, intentions, plans, projections,guidance and beliefs that constitute “forward-looking statements.” These forward-looking statements are principally, but not solely,contained in the section captioned “Management’s Discussion and Analysis of Financial Condition and Results of Operations.” Thesestatements include, but are not limited to, statements about our strategies, plans, objectives, expectations, projections, guidance,intentions, expenditures and assumptions and other statements contained herein that are not historical facts. Our forward-lookingstatements are generally, but not always, accompanied by words such as, but not limited to, “aim,” “anticipate,” “believe,” “can,”“continue,” “could,” “estimate,” “expect,” “goal,” “intend,” “may,” “might,” “ongoing,” “plan,” “possible,” “potential,” “predict,”“project,” “seek,” “should,” “strategy,” “target,” “will,” “would” and similar expressions or phrases, or the negative of thoseexpressions or phrases, or other words that convey the uncertainty of future events or outcomes, which are intended to identifyforward-looking statements, although not all forward-looking statements contain these words. We have based these forward-lookingstatements on our current expectations, guidance and projections and related assumptions about future events and financial trends.While our management considers these expectations, guidance, pr