<SEC-DOCUMENT>0001213900-23-048197-index.html : 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>
Document 1 - file: ownership.html

Document 1 - RAW XML: ownership.xml

</DOCUMENT>
</SEC-DOCUMENT>