<SEC-DOCUMENT>0001193125-19-129493-index.html : 20190430
<SEC-HEADER>0001193125-19-129493.hdr.sgml : 20190430
<ACCEPTANCE-DATETIME>20190430163433
ACCESSION NUMBER:		0001193125-19-129493
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20190430
DATE AS OF CHANGE:		20190430
EFFECTIVENESS DATE:		20190430

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:		19782341

	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>
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Document 1 - file: d695277ddefa14a.htm

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Document 2 - file: g695277g05e15.jpg

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Document 3 - file: g695277g16q56.jpg

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Document 4 - file: g695277g62d05.jpg

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Document 5 - file: g695277g76c99.jpg

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Document 6 - file: g695277g79o16.jpg

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Document 7 - file: g695277g87n84.jpg

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