<SEC-DOCUMENT>0001104659-22-052338-index.html : 20220428
<SEC-HEADER>0001104659-22-052338.hdr.sgml : 20220428
<ACCEPTANCE-DATETIME>20220428164010
ACCESSION NUMBER:		0001104659-22-052338
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20220608
FILED AS OF DATE:		20220428
DATE AS OF CHANGE:		20220428

FILER:

	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

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38223
		FILM NUMBER:		22867376

	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>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>tm223476-1_def14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: tm223476-1_def14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>lg_rhythmpharma-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: lg_rhythmpharma-4c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>tm223476d1-pxy_proxy1bw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: tm223476d1-pxy_proxy1bw.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>tm223476d1-pxy_proxy2bw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: tm223476d1-pxy_proxy2bw.jpg

</DOCUMENT>
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