<SEC-DOCUMENT>0001485003-22-000135-index.html : 20220921
<SEC-HEADER>0001485003-22-000135.hdr.sgml : 20220921
<ACCEPTANCE-DATETIME>20220921080030
ACCESSION NUMBER:		0001485003-22-000135
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		47
CONFORMED PERIOD OF REPORT:	20220920
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20220921
DATE AS OF CHANGE:		20220921

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:		221255031

	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: sesn-20220920.htm

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Document 2 - file: exhibit21-projectseahawkxm.htm

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Document 3 - file: exhibit101-contingentvalue.htm

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Document 4 - file: exhibit102-formofcompanyst.htm

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Document 5 - file: exhibit103-formofparentsto.htm

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Document 6 - file: exhibit104-formoflockxupag.htm

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Document 7 - file: exhibit991-mergerannouncem.htm

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Document 8 - file: exhibit992carismacorpora.htm

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Document 9 - file: exhibit993-projectseahawkc.htm

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Document 12 - file: sesn-20220920_pre.xml

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Document 13 - file: exhibit992carismacorpora001.jpg

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Document 14 - file: exhibit992carismacorpora002.jpg

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Document 15 - file: exhibit992carismacorpora003.jpg

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Document 17 - file: exhibit992carismacorpora005.jpg

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Document 18 - file: exhibit992carismacorpora006.jpg

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Document 19 - file: exhibit992carismacorpora007.jpg

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Document 20 - file: exhibit992carismacorpora008.jpg

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Document 21 - file: exhibit992carismacorpora009.jpg

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Document 22 - file: exhibit992carismacorpora010.jpg

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Document 23 - file: exhibit992carismacorpora011.jpg

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Document 25 - file: exhibit992carismacorpora013.jpg

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Document 26 - file: exhibit992carismacorpora014.jpg

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Document 27 - file: exhibit992carismacorpora015.jpg

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Document 28 - file: exhibit992carismacorpora016.jpg

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Document 29 - file: exhibit992carismacorpora017.jpg

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Document 30 - file: exhibit992carismacorpora018.jpg

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Document 31 - file: exhibit992carismacorpora019.jpg

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Document 32 - file: exhibit992carismacorpora020.jpg

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Document 33 - file: exhibit992carismacorpora021.jpg

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Document 34 - file: exhibit992carismacorpora022.jpg

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Document 35 - file: exhibit992carismacorpora023.jpg

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Document 36 - file: exhibit992carismacorpora024.jpg

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Document 37 - file: exhibit992carismacorpora025.jpg

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Document 38 - file: exhibit992carismacorpora026.jpg

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Document 39 - file: image_0.jpg

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Document 41 - RAW XML: sesn-20220920_htm.xml

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Document 42 - file: Financial_Report.xlsx

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Document 44 - file: report.css

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