<SEC-DOCUMENT>0001193125-20-216509-index.html : 20200811
<SEC-HEADER>0001193125-20-216509.hdr.sgml : 20200811
<ACCEPTANCE-DATETIME>20200811173025
ACCESSION NUMBER:		0001193125-20-216509
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20200811
DATE AS OF CHANGE:		20200811

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Seres Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001609809
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				274326290
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-244401
		FILM NUMBER:		201093516

	BUSINESS ADDRESS:	
		STREET 1:		200 SIDNEY STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139
		BUSINESS PHONE:		617 945 9626

	MAIL ADDRESS:	
		STREET 1:		200 SIDNEY STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Seres Health, Inc.
		DATE OF NAME CHANGE:	20140603
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B5
<SEQUENCE>1
<FILENAME>d941995d424b5.htm
<DESCRIPTION>424B5
<TEXT>
Document 1 - file: d941995d424b5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g941995g55d35.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g941995g55d35.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g941995g79j32.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g941995g79j32.jpg

</DOCUMENT>
</SEC-DOCUMENT>