<SEC-DOCUMENT>0001182496-26-000013.txt : 20260806
<SEC-HEADER>0001182496-26-000013.hdr.sgml : 20260806
<ACCEPTANCE-DATETIME>20260806101636
ACCESSION NUMBER:		0001182496-26-000013
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260804
FILED AS OF DATE:		20260806
DATE AS OF CHANGE:		20260806

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			YAZDI MAHVASH
		CENTRAL INDEX KEY:			0001182496
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36827
		FILM NUMBER:		261246915

	MAIL ADDRESS:	
		STREET 1:		EDISON INTERNATIONAL
		STREET 2:		2244 WALNUT GROVE AVE
		CITY:			ROSEMEAD
		STATE:			CA
		ZIP:			91770

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Anterix Inc.
		CENTRAL INDEX KEY:			0001304492
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE COMMUNICATIONS (NO RADIO TELEPHONE) [4813]
		ORGANIZATION NAME:           	06 Technology
		EIN:				330745043
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		3 GARRET MOUNTAIN PLAZA
		STREET 2:		SUITE 401
		CITY:			WOODLAND PARK
		STATE:			NJ
		ZIP:			07424
		BUSINESS PHONE:		(973) 771-0300

	MAIL ADDRESS:	
		STREET 1:		3 GARRET MOUNTAIN PLAZA
		STREET 2:		SUITE 401
		CITY:			WOODLAND PARK
		STATE:			NJ
		ZIP:			07424

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	pdvWireless, Inc.
		DATE OF NAME CHANGE:	20151105

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Pacific DataVision, Inc.
		DATE OF NAME CHANGE:	20140616

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Pacific Data Vision
		DATE OF NAME CHANGE:	20040928
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1786025794.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0609</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2026-08-04</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001304492</issuerCik>
        <issuerName>Anterix Inc.</issuerName>
        <issuerTradingSymbol>ATEX</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001182496</rptOwnerCik>
            <rptOwnerName>YAZDI MAHVASH</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>false</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>3 GARRET MOUNTAIN PLAZA</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 401</rptOwnerStreet2>
            <rptOwnerCity>WOODLAND PARK</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07424</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2026-08-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1598</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>21005</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>250</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Yazdi Family Trust UA Oct 03, 1988</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>750</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By 401(k)</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The Shares will vest on the earlier of the 2027 Annual Meeting of shareholders and August 4, 2027, subject to the terms of the Restricted Stock Agreement.</footnote>
        <footnote id="F2">Ms. Yazdi is a trustee of the Yazdi Family Trust UA Oct 03, 1998 and has voting and dispositive power with respect to these shares. Ms. Yazdi disclaims beneficial ownership except to the extent of her pecuniary interest therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>s/ Gena L. Ashe, Attorney-in-Fact</signatureName>
        <signatureDate>2026-08-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
