<SEC-DOCUMENT>0001213900-25-001119.txt : 20250106
<SEC-HEADER>0001213900-25-001119.hdr.sgml : 20250106
<ACCEPTANCE-DATETIME>20250106144630
ACCESSION NUMBER:		0001213900-25-001119
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250102
FILED AS OF DATE:		20250106
DATE AS OF CHANGE:		20250106

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			JAGID JEFFREY M
		CENTRAL INDEX KEY:			0001117037
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40760
		FILM NUMBER:		25510583

	MAIL ADDRESS:	
		STREET 1:		ID SYSTEMS INC
		STREET 2:		ONE UNIVERSITY PLAZA
		CITY:			HACKENSACK
		STATE:			NJ
		ZIP:			07601

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ATLANTIC INTERNATIONAL CORP.
		CENTRAL INDEX KEY:			0001605888
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-HELP SUPPLY SERVICES [7363]
		ORGANIZATION NAME:           	07 Trade & Services
		IRS NUMBER:				465319744
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		270 SYLVAN AVENUE
		STREET 2:		SUITE 2230
		CITY:			ENGLEWOOD CLIFFS
		STATE:			NJ
		ZIP:			07632
		BUSINESS PHONE:		2018994470

	MAIL ADDRESS:	
		STREET 1:		270 SYLVAN AVENUE
		STREET 2:		SUITE 2230
		CITY:			ENGLEWOOD CLIFFS
		STATE:			NJ
		ZIP:			07632

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SeqLL, Inc.
		DATE OF NAME CHANGE:	20140417
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-01-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001605888</issuerCik>
        <issuerName>ATLANTIC INTERNATIONAL CORP.</issuerName>
        <issuerTradingSymbol>ATLN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001117037</rptOwnerCik>
            <rptOwnerName>JAGID JEFFREY M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>270 SYLVAN AVENUE, SUITE 2230</rptOwnerStreet1>
            <rptOwnerStreet2>ONE UNIVERSITY PLAZA</rptOwnerStreet2>
            <rptOwnerCity>ENGLEWOOD CLIFFS</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07632</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $.00001 par value</value>
            </securityTitle>
            <transactionDate>
                <value>2025-01-02</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2025-01-02</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2885856</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0001</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6621025</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.0001</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2025-01-02</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2025-01-02</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2885856</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2025-01-02</value>
            </exerciseDate>
            <expirationDate>
                <value>2030-07-02</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2885856</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2885856</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">These restricted stock units (&quot;RSUs&quot;) were awarded under Mr. Jagid's Executive Employment Agreement dated June 18, 2024 with the Issuer. The RSUs were issued under the Company's 2023 Equity Incentive Plan in an exempt transaction pursuant to Rule 16b-3 under the Securities Exchange Act of 1934.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Jeffrey Jagid</signatureName>
        <signatureDate>2025-01-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
