    <SEC-DOCUMENT>0001628280-23-009529-index.html : 20230328
    <SEC-HEADER>0001628280-23-009529.hdr.sgml : 20230328
    <ACCEPTANCE-DATETIME>20230328160532
    ACCESSION NUMBER:		0001628280-23-009529
    CONFORMED SUBMISSION TYPE:	424B3
    PUBLIC DOCUMENT COUNT:		5
    FILED AS OF DATE:		20230328
    DATE AS OF CHANGE:		20230328

    FILER:

    	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

    	FILING VALUES:
    		FORM TYPE:		424B3
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-262643
    		FILM NUMBER:		23769509

    	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>424B3
    <SEQUENCE>1
    <FILENAME>moonlake424b3.htm
    <DESCRIPTION>424B3
    <TEXT>
    Document 1 - file: moonlake424b3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>orgstructureexhibit002a.jpg
    <TEXT>
    Document 2 - file: orgstructureexhibit002a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>pipelinea.jpg
    <TEXT>
    Document 3 - file: pipelinea.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>prospectuscoverimage1a.jpg
    <TEXT>
    Document 4 - file: prospectuscoverimage1a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>pso_pasi100dataa.jpg
    <TEXT>
    Document 5 - file: pso_pasi100dataa.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>