<SEC-DOCUMENT>0001485003-18-000105-index.html : 20180813
<SEC-HEADER>0001485003-18-000105.hdr.sgml : 20180813
<ACCEPTANCE-DATETIME>20180813163716
ACCESSION NUMBER:		0001485003-18-000105
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		6
CONFORMED PERIOD OF REPORT:	20180807
ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20180813
DATE AS OF CHANGE:		20180813

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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36296
		FILM NUMBER:		181012718

	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>8-K
<SEQUENCE>1
<FILENAME>sesn-form8xkaugust2018gove.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: sesn-form8xkaugust2018gove.htm

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

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.2
<SEQUENCE>3
<FILENAME>exhibit102sesnindemnagreem.htm
<DESCRIPTION>EXHIBIT 10.2
<TEXT>
Document 3 - file: exhibit102sesnindemnagreem.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>4
<FILENAME>sesn-exhibit991xfinal.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 4 - file: sesn-exhibit991xfinal.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>exhibit101tcannellemp_image1.gif
<TEXT>
Document 5 - file: exhibit101tcannellemp_image1.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>sesnexhibit991finalimage1.jpg
<TEXT>
Document 6 - file: sesnexhibit991finalimage1.jpg

</DOCUMENT>
</SEC-DOCUMENT>