<SEC-DOCUMENT>0001485003-22-000076-index.html : 20220617
<SEC-HEADER>0001485003-22-000076.hdr.sgml : 20220617
<ACCEPTANCE-DATETIME>20220617080115
ACCESSION NUMBER:		0001485003-22-000076
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20220617
DATE AS OF CHANGE:		20220617

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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36296
		FILM NUMBER:		221022416

	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>DEFA14A
<SEQUENCE>1
<FILENAME>sesndefa14arssproposalremo.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: sesndefa14arssproposalremo.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>sesnformremovalofrssprop001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: sesnformremovalofrssprop001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>sesnformremovalofrssprop002.jpg
<TEXT>
Document 3 - file: sesnformremovalofrssprop002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>sesnformremovalofrssprop003.jpg
<TEXT>
Document 4 - file: sesnformremovalofrssprop003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>sesnformremovalofrssprop004.jpg
<TEXT>
Document 5 - file: sesnformremovalofrssprop004.jpg

</DOCUMENT>
</SEC-DOCUMENT>