<SEC-DOCUMENT>0001485003-18-000103-index.html : 20180810
<SEC-HEADER>0001485003-18-000103.hdr.sgml : 20180810
<ACCEPTANCE-DATETIME>20180810165832
ACCESSION NUMBER:		0001485003-18-000103
CONFORMED SUBMISSION TYPE:	S-8 POS
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20180810
DATE AS OF CHANGE:		20180810
EFFECTIVENESS DATE:		20180810

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Sesen Bio, Inc.
		CENTRAL INDEX KEY:			0001485003
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				262025616
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-8 POS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-224959
		FILM NUMBER:		181009475

	BUSINESS ADDRESS:	
		STREET 1:		245 FIRST STREET
		STREET 2:		SUITE 1800
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142
		BUSINESS PHONE:		617-444-8550

	MAIL ADDRESS:	
		STREET 1:		245 FIRST STREET
		STREET 2:		SUITE 1800
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02142

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Eleven Biotherapeutics, Inc.
		DATE OF NAME CHANGE:	20100223
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8 POS
<SEQUENCE>1
<FILENAME>sesn-formsx8posevergreensh.htm
<DESCRIPTION>S-8 POS
<TEXT>
Document 1 - file: sesn-formsx8posevergreensh.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.1
<SEQUENCE>2
<FILENAME>exhibit101.htm
<DESCRIPTION>EXHIBIT 10.1
<TEXT>
Document 2 - file: exhibit101.htm

</DOCUMENT>
</SEC-DOCUMENT>