<SEC-DOCUMENT>0001304492-25-000088.txt : 20250807
<SEC-HEADER>0001304492-25-000088.hdr.sgml : 20250807
<ACCEPTANCE-DATETIME>20250807161224
ACCESSION NUMBER:		0001304492-25-000088
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250805
FILED AS OF DATE:		20250807
DATE AS OF CHANGE:		20250807

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:		251194130

	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_1754597540.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-08-05</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001182496</rptOwnerCik>
            <rptOwnerName>YAZDI MAHVASH</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <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>2025-08-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>7767</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>26407</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">Represents restricted stock granted to Ms. Yazdi as compensation of her service as a non-employee director on the Issuer's board of directors. The restricted stock vests in full on the earlier of (i) August 5, 2026 or (ii) the Issuer's next annual stockholder meeting; provided, however, that if the vesting would otherwise occur on a date that is closed for trading under the Issuer's Insider Trading Policy, the vesting shall be automatically deemed to occur on the next trading day on which the sale of shares of common stock by the Reporting Person in the open market would be permitted under the Issuer's Insider Trading Policy.</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>2025-08-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
