<SEC-DOCUMENT>0001374339-24-000001.txt : 20240105
<SEC-HEADER>0001374339-24-000001.hdr.sgml : 20240105
<ACCEPTANCE-DATETIME>20240105161529
ACCESSION NUMBER:		0001374339-24-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240102
FILED AS OF DATE:		20240105
DATE AS OF CHANGE:		20240105

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Warma Neil K
		CENTRAL INDEX KEY:			0001437911
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41429
		FILM NUMBER:		24516425

	MAIL ADDRESS:	
		STREET 1:		C/O PROMIS NEUROSCIENCES INC.
		STREET 2:		SUITE 200, 1920 YONGE STREET
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M4S 3E2

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ProMIS Neurosciences Inc.
		CENTRAL INDEX KEY:			0001374339
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			Z4
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		SUITE 200, 1920 YONGE STREET
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M4S 3E2
		BUSINESS PHONE:		416-847-6898

	MAIL ADDRESS:	
		STREET 1:		SUITE 200, 1920 YONGE STREET
		CITY:			TORONTO
		STATE:			A6
		ZIP:			M4S 3E2

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AMORFIX LIFE SCIENCES LTD
		DATE OF NAME CHANGE:	20060831
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-01-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001374339</issuerCik>
        <issuerName>ProMIS Neurosciences Inc.</issuerName>
        <issuerTradingSymbol>PMN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001437911</rptOwnerCik>
            <rptOwnerName>Warma Neil K</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O PROMIS NEUROSCIENCES INC.</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 200, 1920 YONGE STREET</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>M4S 3E2</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.17</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2024-01-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>200000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2034-01-02</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>200000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>208333</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">25% of the shares subject to this option shall vest on January 2, 2024, and the balance shall vest ratably over the following 36 months, with the entirety of the options vesting upon the completion of certain milestones.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Max A. Milbury, Attorney in Fact for Neil Warma</signatureName>
        <signatureDate>2024-01-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
