<SEC-DOCUMENT>0001485003-19-000017-index.html : 20190304
<SEC-HEADER>0001485003-19-000017.hdr.sgml : 20190304
<ACCEPTANCE-DATETIME>20190304073223
ACCESSION NUMBER:		0001485003-19-000017
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		47
CONFORMED PERIOD OF REPORT:	20190304
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20190304
DATE AS OF CHANGE:		20190304

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:		19651877

	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-form8xkxfy2018earning.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: sesn-form8xkxfy2018earning.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>a4q2018pressrelease03042.htm <DESCRIPTION>EXHIBIT 99.1 <TEXT> Document 2 - file: a4q2018pressrelease03042.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.2 <SEQUENCE>3 <FILENAME>sesnbusinessupdatemarch2.htm <DESCRIPTION>EXHIBIT 99.2 <TEXT> Document 3 - file: sesnbusinessupdatemarch2.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>a4q2018pressrelease03042001.jpg <TEXT> Document 4 - file: a4q2018pressrelease03042001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>a4q2018pressrelease03042002.jpg <TEXT> Document 5 - file: a4q2018pressrelease03042002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>a4q2018pressrelease03042003.jpg <TEXT> Document 6 - file: a4q2018pressrelease03042003.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>a4q2018pressrelease03042004.jpg <TEXT> Document 7 - file: a4q2018pressrelease03042004.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>a4q2018pressrelease03042005.jpg <TEXT> Document 8 - file: a4q2018pressrelease03042005.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>a4q2018pressrelease03042006.jpg <TEXT> Document 9 - file: a4q2018pressrelease03042006.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>a4q2018pressrelease03042007.jpg <TEXT> Document 10 - file: a4q2018pressrelease03042007.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>a4q2018pressrelease03042008.jpg <TEXT> Document 11 - file: a4q2018pressrelease03042008.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>sesnbusinessupdatemarch2001.jpg <TEXT> Document 12 - file: sesnbusinessupdatemarch2001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>sesnbusinessupdatemarch2002.jpg <TEXT> Document 13 - file: sesnbusinessupdatemarch2002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>sesnbusinessupdatemarch2003.jpg <TEXT> Document 14 - file: sesnbusinessupdatemarch2003.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>sesnbusinessupdatemarch2004.jpg <TEXT> Document 15 - file: sesnbusinessupdatemarch2004.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>sesnbusinessupdatemarch2005.jpg <TEXT> Document 16 - file: sesnbusinessupdatemarch2005.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>sesnbusinessupdatemarch2006.jpg <TEXT> Document 17 - file: sesnbusinessupdatemarch2006.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>sesnbusinessupdatemarch2007.jpg <TEXT> Document 18 - file: sesnbusinessupdatemarch2007.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>sesnbusinessupdatemarch2008.jpg <TEXT> Document 19 - file: sesnbusinessupdatemarch2008.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>sesnbusinessupdatemarch2009.jpg <TEXT> Document 20 - file: sesnbusinessupdatemarch2009.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>sesnbusinessupdatemarch2010.jpg <TEXT> Document 21 - file: sesnbusinessupdatemarch2010.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>sesnbusinessupdatemarch2011.jpg <TEXT> Document 22 - file: sesnbusinessupdatemarch2011.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>sesnbusinessupdatemarch2012.jpg <TEXT> Document 23 - file: sesnbusinessupdatemarch2012.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>sesnbusinessupdatemarch2013.jpg <TEXT> Document 24 - file: sesnbusinessupdatemarch2013.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>25 <FILENAME>sesnbusinessupdatemarch2014.jpg <TEXT> Document 25 - file: sesnbusinessupdatemarch2014.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>26 <FILENAME>sesnbusinessupdatemarch2015.jpg <TEXT> Document 26 - file: sesnbusinessupdatemarch2015.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>27 <FILENAME>sesnbusinessupdatemarch2016.jpg <TEXT> Document 27 - file: sesnbusinessupdatemarch2016.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>28 <FILENAME>sesnbusinessupdatemarch2017.jpg <TEXT> Document 28 - file: sesnbusinessupdatemarch2017.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>29 <FILENAME>sesnbusinessupdatemarch2018.jpg <TEXT> Document 29 - file: sesnbusinessupdatemarch2018.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>30 <FILENAME>sesnbusinessupdatemarch2019.jpg <TEXT> Document 30 - file: sesnbusinessupdatemarch2019.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>31 <FILENAME>sesnbusinessupdatemarch2020.jpg <TEXT> Document 31 - file: sesnbusinessupdatemarch2020.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>32 <FILENAME>sesnbusinessupdatemarch2021.jpg <TEXT> Document 32 - file: sesnbusinessupdatemarch2021.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>33 <FILENAME>sesnbusinessupdatemarch2022.jpg <TEXT> Document 33 - file: sesnbusinessupdatemarch2022.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>34 <FILENAME>sesnbusinessupdatemarch2023.jpg <TEXT> Document 34 - file: sesnbusinessupdatemarch2023.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>35 <FILENAME>sesnbusinessupdatemarch2024.jpg <TEXT> Document 35 - file: sesnbusinessupdatemarch2024.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>36 <FILENAME>sesnbusinessupdatemarch2025.jpg <TEXT> Document 36 - file: sesnbusinessupdatemarch2025.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>37 <FILENAME>sesnbusinessupdatemarch2026.jpg <TEXT> Document 37 - file: sesnbusinessupdatemarch2026.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>38 <FILENAME>sesnbusinessupdatemarch2027.jpg <TEXT> Document 38 - file: sesnbusinessupdatemarch2027.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>39 <FILENAME>sesnbusinessupdatemarch2028.jpg <TEXT> Document 39 - file: sesnbusinessupdatemarch2028.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>40 <FILENAME>sesnbusinessupdatemarch2029.jpg <TEXT> Document 40 - file: sesnbusinessupdatemarch2029.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>41 <FILENAME>sesnbusinessupdatemarch2030.jpg <TEXT> Document 41 - file: sesnbusinessupdatemarch2030.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>42 <FILENAME>sesnbusinessupdatemarch2031.jpg <TEXT> Document 42 - file: sesnbusinessupdatemarch2031.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>43 <FILENAME>sesnbusinessupdatemarch2032.jpg <TEXT> Document 43 - file: sesnbusinessupdatemarch2032.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>44 <FILENAME>sesnbusinessupdatemarch2033.jpg <TEXT> Document 44 - file: sesnbusinessupdatemarch2033.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>45 <FILENAME>sesnbusinessupdatemarch2034.jpg <TEXT> Document 45 - file: sesnbusinessupdatemarch2034.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>46 <FILENAME>sesnbusinessupdatemarch2035.jpg <TEXT> Document 46 - file: sesnbusinessupdatemarch2035.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>47 <FILENAME>sesnbusinessupdatemarch2036.jpg <TEXT> Document 47 - file: sesnbusinessupdatemarch2036.jpg
</DOCUMENT> </SEC-DOCUMENT>