<SEC-DOCUMENT>0001104659-21-080099-index.html : 20210611
<SEC-HEADER>0001104659-21-080099.hdr.sgml : 20210611
<ACCEPTANCE-DATETIME>20210611160550
ACCESSION NUMBER:		0001104659-21-080099
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210609
FILED AS OF DATE:		20210611
DATE AS OF CHANGE:		20210611

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Bedrosian Camille L
		CENTRAL INDEX KEY:			0001326969

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38223
		FILM NUMBER:		211011288

	MAIL ADDRESS:	
		STREET 1:		C/O ULTRAGENYX PHARMACEUTICAL INC.
		STREET 2:		60 LEVERONI COURT
		CITY:			NOVATO
		STATE:			CA
		ZIP:			94949

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RHYTHM PHARMACEUTICALS, INC.
		CENTRAL INDEX KEY:			0001649904
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				462159271
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		222 BERKELEY STREET
		STREET 2:		12TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		857-264-4280

	MAIL ADDRESS:	
		STREET 1:		222 BERKELEY STREET
		STREET 2:		12TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RHYTHM METABOLIC, INC.
		DATE OF NAME CHANGE:	20150803
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>tm2119501-2_4seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
Document 1 - file: tm2119501-2_4seq1.html

Document 1 - RAW XML: tm2119501-2_4seq1.xml

</DOCUMENT>
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