<SEC-DOCUMENT>0001485003-19-000056-index.html : 20190807
<SEC-HEADER>0001485003-19-000056.hdr.sgml : 20190807
<ACCEPTANCE-DATETIME>20190807070116
ACCESSION NUMBER:		0001485003-19-000056
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		55
CONFORMED PERIOD OF REPORT:	20190807
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20190807
DATE AS OF CHANGE:		20190807

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:		191003793

	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-form8xk08072019.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: sesn-form8xk08072019.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>cgconferencesesenbio.htm <DESCRIPTION>EXHIBIT 99.1 <TEXT> Document 2 - file: cgconferencesesenbio.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>cgconferencesesenbio001.jpg <TEXT> Document 3 - file: cgconferencesesenbio001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>cgconferencesesenbio002.jpg <TEXT> Document 4 - file: cgconferencesesenbio002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>cgconferencesesenbio003.jpg <TEXT> Document 5 - file: cgconferencesesenbio003.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>cgconferencesesenbio004.jpg <TEXT> Document 6 - file: cgconferencesesenbio004.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>cgconferencesesenbio005.jpg <TEXT> Document 7 - file: cgconferencesesenbio005.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>cgconferencesesenbio006.jpg <TEXT> Document 8 - file: cgconferencesesenbio006.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>cgconferencesesenbio007.jpg <TEXT> Document 9 - file: cgconferencesesenbio007.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>cgconferencesesenbio008.jpg <TEXT> Document 10 - file: cgconferencesesenbio008.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>cgconferencesesenbio009.jpg <TEXT> Document 11 - file: cgconferencesesenbio009.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>cgconferencesesenbio010.jpg <TEXT> Document 12 - file: cgconferencesesenbio010.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>cgconferencesesenbio011.jpg <TEXT> Document 13 - file: cgconferencesesenbio011.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>cgconferencesesenbio012.jpg <TEXT> Document 14 - file: cgconferencesesenbio012.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>cgconferencesesenbio013.jpg <TEXT> Document 15 - file: cgconferencesesenbio013.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>cgconferencesesenbio014.jpg <TEXT> Document 16 - file: cgconferencesesenbio014.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>cgconferencesesenbio015.jpg <TEXT> Document 17 - file: cgconferencesesenbio015.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>cgconferencesesenbio016.jpg <TEXT> Document 18 - file: cgconferencesesenbio016.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>cgconferencesesenbio017.jpg <TEXT> Document 19 - file: cgconferencesesenbio017.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>cgconferencesesenbio018.jpg <TEXT> Document 20 - file: cgconferencesesenbio018.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>cgconferencesesenbio019.jpg <TEXT> Document 21 - file: cgconferencesesenbio019.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>cgconferencesesenbio020.jpg <TEXT> Document 22 - file: cgconferencesesenbio020.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>cgconferencesesenbio021.jpg <TEXT> Document 23 - file: cgconferencesesenbio021.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>cgconferencesesenbio022.jpg <TEXT> Document 24 - file: cgconferencesesenbio022.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>25 <FILENAME>cgconferencesesenbio023.jpg <TEXT> Document 25 - file: cgconferencesesenbio023.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>26 <FILENAME>cgconferencesesenbio024.jpg <TEXT> Document 26 - file: cgconferencesesenbio024.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>27 <FILENAME>cgconferencesesenbio025.jpg <TEXT> Document 27 - file: cgconferencesesenbio025.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>28 <FILENAME>cgconferencesesenbio026.jpg <TEXT> Document 28 - file: cgconferencesesenbio026.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>29 <FILENAME>cgconferencesesenbio027.jpg <TEXT> Document 29 - file: cgconferencesesenbio027.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>30 <FILENAME>cgconferencesesenbio028.jpg <TEXT> Document 30 - file: cgconferencesesenbio028.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>31 <FILENAME>cgconferencesesenbio029.jpg <TEXT> Document 31 - file: cgconferencesesenbio029.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>32 <FILENAME>cgconferencesesenbio030.jpg <TEXT> Document 32 - file: cgconferencesesenbio030.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>33 <FILENAME>cgconferencesesenbio031.jpg <TEXT> Document 33 - file: cgconferencesesenbio031.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>34 <FILENAME>cgconferencesesenbio032.jpg <TEXT> Document 34 - file: cgconferencesesenbio032.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>35 <FILENAME>cgconferencesesenbio033.jpg <TEXT> Document 35 - file: cgconferencesesenbio033.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>36 <FILENAME>cgconferencesesenbio034.jpg <TEXT> Document 36 - file: cgconferencesesenbio034.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>37 <FILENAME>cgconferencesesenbio035.jpg <TEXT> Document 37 - file: cgconferencesesenbio035.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>38 <FILENAME>cgconferencesesenbio036.jpg <TEXT> Document 38 - file: cgconferencesesenbio036.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>39 <FILENAME>cgconferencesesenbio037.jpg <TEXT> Document 39 - file: cgconferencesesenbio037.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>40 <FILENAME>cgconferencesesenbio038.jpg <TEXT> Document 40 - file: cgconferencesesenbio038.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>41 <FILENAME>cgconferencesesenbio039.jpg <TEXT> Document 41 - file: cgconferencesesenbio039.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>42 <FILENAME>cgconferencesesenbio040.jpg <TEXT> Document 42 - file: cgconferencesesenbio040.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>43 <FILENAME>cgconferencesesenbio041.jpg <TEXT> Document 43 - file: cgconferencesesenbio041.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>44 <FILENAME>cgconferencesesenbio042.jpg <TEXT> Document 44 - file: cgconferencesesenbio042.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>45 <FILENAME>cgconferencesesenbio043.jpg <TEXT> Document 45 - file: cgconferencesesenbio043.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>46 <FILENAME>cgconferencesesenbio044.jpg <TEXT> Document 46 - file: cgconferencesesenbio044.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>47 <FILENAME>cgconferencesesenbio045.jpg <TEXT> Document 47 - file: cgconferencesesenbio045.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>48 <FILENAME>cgconferencesesenbio046.jpg <TEXT> Document 48 - file: cgconferencesesenbio046.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>49 <FILENAME>cgconferencesesenbio047.jpg <TEXT> Document 49 - file: cgconferencesesenbio047.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>50 <FILENAME>cgconferencesesenbio048.jpg <TEXT> Document 50 - file: cgconferencesesenbio048.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>51 <FILENAME>cgconferencesesenbio049.jpg <TEXT> Document 51 - file: cgconferencesesenbio049.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>52 <FILENAME>cgconferencesesenbio050.jpg <TEXT> Document 52 - file: cgconferencesesenbio050.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>53 <FILENAME>cgconferencesesenbio051.jpg <TEXT> Document 53 - file: cgconferencesesenbio051.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>54 <FILENAME>cgconferencesesenbio052.jpg <TEXT> Document 54 - file: cgconferencesesenbio052.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>55 <FILENAME>cgconferencesesenbio053.jpg <TEXT> Document 55 - file: cgconferencesesenbio053.jpg
</DOCUMENT> </SEC-DOCUMENT>