<SEC-DOCUMENT>9999999997-23-000292-index.html : 20230303
<SEC-HEADER>9999999997-23-000292.hdr.sgml : 20230303
<ACCEPTANCE-DATETIME>20230124112155
ACCESSION NUMBER:		9999999997-23-000292
CONFORMED SUBMISSION TYPE:	SEC STAFF LETTER
CATEGORY:             	REDACTED EXHIBIT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20230120
ACTION DATE:               	20230120
RECEIVED DATE:           	20230124

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:		SEC STAFF LETTER

	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>REDACTED EXHIBIT
<SEQUENCE>1
<FILENAME>filename1.pdf
<TEXT>
Document 1 - file: filename1.pdf

</DOCUMENT>
</SEC-DOCUMENT>