<SEC-DOCUMENT>0001213900-23-048197.txt : 20230612
<SEC-HEADER>0001213900-23-048197.hdr.sgml : 20230612
<ACCEPTANCE-DATETIME>20230612164914
ACCESSION NUMBER:		0001213900-23-048197
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230608
FILED AS OF DATE:		20230612
DATE AS OF CHANGE:		20230612

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Moukheibir Catherine
		CENTRAL INDEX KEY:			0001772130

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39630
		FILM NUMBER:		231008790

	MAIL ADDRESS:	
		STREET 1:		C/O IRONWOOD PHARMACEUTICALS, INC.
		STREET 2:		100 SUMMER STREET, SUITE 2300
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

	FORMER NAME:	
		FORMER CONFORMED NAME:	Moukheibir Catherine Michener
		DATE OF NAME CHANGE:	20190328

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MoonLake Immunotherapeutics
		CENTRAL INDEX KEY:			0001821586
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		DORFSTRASSE 29
		CITY:			ZUG
		STATE:			V8
		ZIP:			6300
		BUSINESS PHONE:		41 41 510 8022

	MAIL ADDRESS:	
		STREET 1:		DORFSTRASSE 29
		CITY:			ZUG
		STATE:			V8
		ZIP:			6300

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Helix Acquisition Corp
		DATE OF NAME CHANGE:	20200818
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0407</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-06-08</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001821586</issuerCik>
        <issuerName>MoonLake Immunotherapeutics</issuerName>
        <issuerTradingSymbol>MLTX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001772130</rptOwnerCik>
            <rptOwnerName>Moukheibir Catherine</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MOONLAKE IMMUNOTHERAPEUTICS</rptOwnerStreet1>
            <rptOwnerStreet2>DORFSTRASSE 29</rptOwnerStreet2>
            <rptOwnerCity>ZUG</rptOwnerCity>
            <rptOwnerState>V8</rptOwnerState>
            <rptOwnerZipCode>6300</rptOwnerZipCode>
            <rptOwnerStateDescription>SWITZERLAND</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Option to Buy</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>29.18</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2023-06-08</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>11297</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2033-06-08</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A ordinary shares, par value $0.0001 per share</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>11297</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11297</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This option represents a right to purchase a total of 11,297 Class A Ordinary Shares of the Issuer, which will vest in full the earlier of (i) June 8, 2024 and (ii) the date of the Issuer's next annual general meeting of shareholders, subject to the Reporting Person's continued service to the Issuer.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Matthias Bodenstedt, Attorney-in-fact for Catherine Moukheibir</signatureName>
        <signatureDate>2023-06-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
