<SEC-DOCUMENT>0001193125-23-062117-index.html : 20230307
<SEC-HEADER>0001193125-23-062117.hdr.sgml : 20230307
<ACCEPTANCE-DATETIME>20230307074238
ACCESSION NUMBER:		0001193125-23-062117
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20230307
DATE AS OF CHANGE:		20230307
EFFECTIVENESS DATE:		20230307

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:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-270319
		FILM NUMBER:		23711052

	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>S-8
<SEQUENCE>1
<FILENAME>d465067ds8.htm
<DESCRIPTION>S-8
<TEXT>
Document 1 - file: d465067ds8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>d465067dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: d465067dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>d465067dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 3 - file: d465067dex231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>4
<FILENAME>d465067dexfilingfees.htm
<DESCRIPTION>EX-FILING FEES
<TEXT>
Document 4 - file: d465067dexfilingfees.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g465067g0302050731582.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g465067g0302050731582.jpg

</DOCUMENT>
</SEC-DOCUMENT>