<SEC-DOCUMENT>0001047469-19-002750-index.html : 20190430
<SEC-HEADER>0001047469-19-002750.hdr.sgml : 20190430
<ACCEPTANCE-DATETIME>20190430160137
ACCESSION NUMBER:		0001047469-19-002750
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		6
CONFORMED PERIOD OF REPORT:	20190619
FILED AS OF DATE:		20190430
DATE AS OF CHANGE:		20190430
EFFECTIVENESS DATE:		20190430

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:		19781540

	BUSINESS ADDRESS:	
		STREET 1:		500 BOYLSTON STREET
		STREET 2:		11TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02116
		BUSINESS PHONE:		857-264-4280

	MAIL ADDRESS:	
		STREET 1:		500 BOYLSTON STREET
		STREET 2:		11TH 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>a2238576zdef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: a2238576zdef14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g73784.jpg
<DESCRIPTION>G73784.JPG
<TEXT>
Document 2 - file: g73784.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g27022bci001.gif
<DESCRIPTION>G27022BCI001.GIF
<TEXT>
Document 3 - file: g27022bci001.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g27022bci002.gif
<DESCRIPTION>G27022BCI002.GIF
<TEXT>
Document 4 - file: g27022bci002.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g27022bei001.gif
<DESCRIPTION>G27022BEI001.GIF
<TEXT>
Document 5 - file: g27022bei001.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g27022bei002.gif
<DESCRIPTION>G27022BEI002.GIF
<TEXT>
Document 6 - file: g27022bei002.gif

</DOCUMENT>
</SEC-DOCUMENT>