<SEC-DOCUMENT>0001179110-16-024364.txt : 20160512
<SEC-HEADER>0001179110-16-024364.hdr.sgml : 20160512
<ACCEPTANCE-DATETIME>20160512095406
ACCESSION NUMBER:		0001179110-16-024364
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20160511
FILED AS OF DATE:		20160512
DATE AS OF CHANGE:		20160512

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ATLANTIC TELE NETWORK INC /DE
		CENTRAL INDEX KEY:			0000879585
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE COMMUNICATIONS (NO RADIO TELEPHONE) [4813]
		IRS NUMBER:				470728886
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		600 CUMMINGS CENTER
		CITY:			BEVERLY
		STATE:			MA
		ZIP:			01915
		BUSINESS PHONE:		9786191300

	MAIL ADDRESS:	
		STREET 1:		600 CUMMINGS CENTER
		CITY:			BEVERLY
		STATE:			MA
		ZIP:			01915

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BENINCASA JUSTIN D
		CENTRAL INDEX KEY:			0001218669

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12593
		FILM NUMBER:		161641999

	MAIL ADDRESS:	
		STREET 1:		C/O AMERICAN TOWER CORP
		STREET 2:		116 HUNTINGTON AVE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2016-05-11</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000879585</issuerCik>
        <issuerName>ATLANTIC TELE NETWORK INC /DE</issuerName>
        <issuerTradingSymbol>ATNI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001218669</rptOwnerCik>
            <rptOwnerName>BENINCASA JUSTIN D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ATLANTIC TELE-NETWORK, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>500 CUMMINGS CENTER</rptOwnerStreet2>
            <rptOwnerCity>BEVERLY</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>01915</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CFO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2016-05-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>74.41</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>46543</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">These transactions were executed in multiple trades at prices ranging from $74.00 to $77.99.  The price reported reflects the weighed average sale price.  Full information regarding the number of shares sold and the prices at which the transactions were effected is available to the SEC staff, the issuer or any security holder of the issuer, upon request.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Justin D. Benincasa</signatureName>
        <signatureDate>2016-05-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
