<SEC-DOCUMENT>0001209191-23-057315.txt : 20231204
<SEC-HEADER>0001209191-23-057315.hdr.sgml : 20231204
<ACCEPTANCE-DATETIME>20231204194238
ACCESSION NUMBER:		0001209191-23-057315
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20231130
FILED AS OF DATE:		20231204
DATE AS OF CHANGE:		20231204

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ashe Gena L
		CENTRAL INDEX KEY:			0001669943

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36827
		FILM NUMBER:		231464852

	MAIL ADDRESS:	
		STREET 1:		C/O GXO LOGISTICS, INC.
		STREET 2:		TWO AMERICAN LANE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06831

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Anterix Inc.
		CENTRAL INDEX KEY:			0001304492
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE COMMUNICATIONS (NO RADIO TELEPHONE) [4813]
		IRS NUMBER:				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>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-11-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001669943</rptOwnerCik>
            <rptOwnerName>Ashe Gena L</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>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Legal Officer &amp; Corp Sec</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-11-30</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>936</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>32.052</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>20227</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This transaction was executed in multiple sales through a sale order executed by a broker-dealer at prices ranging from $32.05 to $32.07. The price reported in this column reflects the weighted average sale price. The Reporting Person will provide upon request to the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Gena L. Ashe</signatureName>
        <signatureDate>2023-12-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
