<SEC-DOCUMENT>0001485003-20-000093-index.html : 20200915
<SEC-HEADER>0001485003-20-000093.hdr.sgml : 20200915
<ACCEPTANCE-DATETIME>20200915080040
ACCESSION NUMBER:		0001485003-20-000093
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		89
CONFORMED PERIOD OF REPORT:	20200915
ITEM INFORMATION:		Other Events
FILED AS OF DATE:		20200915
DATE AS OF CHANGE:		20200915

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:		201174731

	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-20200915.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: sesn-20200915.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>ex991sesenbiohcwconferen.htm <DESCRIPTION>EX-99.1 <TEXT> Document 2 - file: ex991sesenbiohcwconferen.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.SCH <SEQUENCE>3 <FILENAME>sesn-20200915.xsd <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT <TEXT> Document 3 - file: sesn-20200915.xsd
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.CAL <SEQUENCE>4 <FILENAME>sesn-20200915_cal.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT <TEXT> Document 4 - file: sesn-20200915_cal.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.DEF <SEQUENCE>5 <FILENAME>sesn-20200915_def.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT <TEXT> Document 5 - file: sesn-20200915_def.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.LAB <SEQUENCE>6 <FILENAME>sesn-20200915_lab.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT <TEXT> Document 6 - file: sesn-20200915_lab.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.PRE <SEQUENCE>7 <FILENAME>sesn-20200915_pre.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT <TEXT> Document 7 - file: sesn-20200915_pre.xml
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>ex991sesenbiohcwconferen001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: ex991sesenbiohcwconferen001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>ex991sesenbiohcwconferen002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: ex991sesenbiohcwconferen002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>ex991sesenbiohcwconferen003.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: ex991sesenbiohcwconferen003.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>ex991sesenbiohcwconferen004.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: ex991sesenbiohcwconferen004.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>ex991sesenbiohcwconferen005.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: ex991sesenbiohcwconferen005.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>ex991sesenbiohcwconferen006.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: ex991sesenbiohcwconferen006.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>ex991sesenbiohcwconferen007.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: ex991sesenbiohcwconferen007.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>ex991sesenbiohcwconferen008.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: ex991sesenbiohcwconferen008.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>ex991sesenbiohcwconferen009.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: ex991sesenbiohcwconferen009.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>ex991sesenbiohcwconferen010.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: ex991sesenbiohcwconferen010.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>ex991sesenbiohcwconferen011.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: ex991sesenbiohcwconferen011.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>ex991sesenbiohcwconferen012.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: ex991sesenbiohcwconferen012.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>ex991sesenbiohcwconferen013.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 20 - file: ex991sesenbiohcwconferen013.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>ex991sesenbiohcwconferen014.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 21 - file: ex991sesenbiohcwconferen014.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>ex991sesenbiohcwconferen015.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 22 - file: ex991sesenbiohcwconferen015.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>ex991sesenbiohcwconferen016.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 23 - file: ex991sesenbiohcwconferen016.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>ex991sesenbiohcwconferen017.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 24 - file: ex991sesenbiohcwconferen017.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>25 <FILENAME>ex991sesenbiohcwconferen018.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 25 - file: ex991sesenbiohcwconferen018.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>26 <FILENAME>ex991sesenbiohcwconferen019.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 26 - file: ex991sesenbiohcwconferen019.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>27 <FILENAME>ex991sesenbiohcwconferen020.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 27 - file: ex991sesenbiohcwconferen020.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>28 <FILENAME>ex991sesenbiohcwconferen021.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 28 - file: ex991sesenbiohcwconferen021.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>29 <FILENAME>ex991sesenbiohcwconferen022.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 29 - file: ex991sesenbiohcwconferen022.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>30 <FILENAME>ex991sesenbiohcwconferen023.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 30 - file: ex991sesenbiohcwconferen023.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>31 <FILENAME>ex991sesenbiohcwconferen024.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 31 - file: ex991sesenbiohcwconferen024.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>32 <FILENAME>ex991sesenbiohcwconferen025.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 32 - file: ex991sesenbiohcwconferen025.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>33 <FILENAME>ex991sesenbiohcwconferen026.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 33 - file: ex991sesenbiohcwconferen026.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>34 <FILENAME>ex991sesenbiohcwconferen027.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 34 - file: ex991sesenbiohcwconferen027.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>35 <FILENAME>ex991sesenbiohcwconferen028.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 35 - file: ex991sesenbiohcwconferen028.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>36 <FILENAME>ex991sesenbiohcwconferen029.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 36 - file: ex991sesenbiohcwconferen029.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>37 <FILENAME>ex991sesenbiohcwconferen030.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 37 - file: ex991sesenbiohcwconferen030.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>38 <FILENAME>ex991sesenbiohcwconferen031.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 38 - file: ex991sesenbiohcwconferen031.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>39 <FILENAME>ex991sesenbiohcwconferen032.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 39 - file: ex991sesenbiohcwconferen032.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>40 <FILENAME>ex991sesenbiohcwconferen033.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 40 - file: ex991sesenbiohcwconferen033.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>41 <FILENAME>ex991sesenbiohcwconferen034.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 41 - file: ex991sesenbiohcwconferen034.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>42 <FILENAME>ex991sesenbiohcwconferen035.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 42 - file: ex991sesenbiohcwconferen035.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>43 <FILENAME>ex991sesenbiohcwconferen036.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 43 - file: ex991sesenbiohcwconferen036.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>44 <FILENAME>ex991sesenbiohcwconferen037.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 44 - file: ex991sesenbiohcwconferen037.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>45 <FILENAME>ex991sesenbiohcwconferen038.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 45 - file: ex991sesenbiohcwconferen038.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>46 <FILENAME>ex991sesenbiohcwconferen039.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 46 - file: ex991sesenbiohcwconferen039.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>47 <FILENAME>ex991sesenbiohcwconferen040.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 47 - file: ex991sesenbiohcwconferen040.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>48 <FILENAME>ex991sesenbiohcwconferen041.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 48 - file: ex991sesenbiohcwconferen041.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>49 <FILENAME>ex991sesenbiohcwconferen042.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 49 - file: ex991sesenbiohcwconferen042.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>50 <FILENAME>ex991sesenbiohcwconferen043.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 50 - file: ex991sesenbiohcwconferen043.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>51 <FILENAME>ex991sesenbiohcwconferen044.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 51 - file: ex991sesenbiohcwconferen044.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>52 <FILENAME>ex991sesenbiohcwconferen045.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 52 - file: ex991sesenbiohcwconferen045.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>53 <FILENAME>ex991sesenbiohcwconferen046.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 53 - file: ex991sesenbiohcwconferen046.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>54 <FILENAME>ex991sesenbiohcwconferen047.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 54 - file: ex991sesenbiohcwconferen047.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>55 <FILENAME>ex991sesenbiohcwconferen048.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 55 - file: ex991sesenbiohcwconferen048.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>56 <FILENAME>ex991sesenbiohcwconferen049.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 56 - file: ex991sesenbiohcwconferen049.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>57 <FILENAME>ex991sesenbiohcwconferen050.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 57 - file: ex991sesenbiohcwconferen050.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>58 <FILENAME>ex991sesenbiohcwconferen051.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 58 - file: ex991sesenbiohcwconferen051.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>59 <FILENAME>ex991sesenbiohcwconferen052.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 59 - file: ex991sesenbiohcwconferen052.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>60 <FILENAME>ex991sesenbiohcwconferen053.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 60 - file: ex991sesenbiohcwconferen053.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>61 <FILENAME>ex991sesenbiohcwconferen054.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 61 - file: ex991sesenbiohcwconferen054.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>62 <FILENAME>ex991sesenbiohcwconferen055.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 62 - file: ex991sesenbiohcwconferen055.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>63 <FILENAME>ex991sesenbiohcwconferen056.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 63 - file: ex991sesenbiohcwconferen056.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>64 <FILENAME>ex991sesenbiohcwconferen057.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 64 - file: ex991sesenbiohcwconferen057.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>65 <FILENAME>ex991sesenbiohcwconferen058.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 65 - file: ex991sesenbiohcwconferen058.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>66 <FILENAME>ex991sesenbiohcwconferen059.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 66 - file: ex991sesenbiohcwconferen059.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>67 <FILENAME>ex991sesenbiohcwconferen060.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 67 - file: ex991sesenbiohcwconferen060.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>68 <FILENAME>ex991sesenbiohcwconferen061.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 68 - file: ex991sesenbiohcwconferen061.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>69 <FILENAME>ex991sesenbiohcwconferen062.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 69 - file: ex991sesenbiohcwconferen062.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>70 <FILENAME>ex991sesenbiohcwconferen063.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 70 - file: ex991sesenbiohcwconferen063.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>71 <FILENAME>ex991sesenbiohcwconferen064.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 71 - file: ex991sesenbiohcwconferen064.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>72 <FILENAME>ex991sesenbiohcwconferen065.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 72 - file: ex991sesenbiohcwconferen065.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>73 <FILENAME>ex991sesenbiohcwconferen066.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 73 - file: ex991sesenbiohcwconferen066.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>74 <FILENAME>ex991sesenbiohcwconferen067.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 74 - file: ex991sesenbiohcwconferen067.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>75 <FILENAME>ex991sesenbiohcwconferen068.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 75 - file: ex991sesenbiohcwconferen068.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>76 <FILENAME>ex991sesenbiohcwconferen069.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 76 - file: ex991sesenbiohcwconferen069.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>77 <FILENAME>ex991sesenbiohcwconferen070.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 77 - file: ex991sesenbiohcwconferen070.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>78 <FILENAME>ex991sesenbiohcwconferen071.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 78 - file: ex991sesenbiohcwconferen071.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>79 <FILENAME>ex991sesenbiohcwconferen072.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 79 - file: ex991sesenbiohcwconferen072.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>80 <FILENAME>ex991sesenbiohcwconferen073.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 80 - file: ex991sesenbiohcwconferen073.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>81 <FILENAME>ex991sesenbiohcwconferen074.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 81 - file: ex991sesenbiohcwconferen074.jpg
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>82 <FILENAME>sesn-20200915_htm.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 82 - file: sesn-20200915_htm.html
Document 82 - RAW XML: sesn-20200915_htm.xml
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>83 <FILENAME>R1.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 83 - file: R1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EXCEL <SEQUENCE>84 <FILENAME>Financial_Report.xlsx <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 84 - file: Financial_Report.xlsx
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>85 <FILENAME>Show.js <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 85 - file: Show.js
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>86 <FILENAME>report.css <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 86 - file: report.css
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>87 <FILENAME>FilingSummary.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 87 - file: FilingSummary.html
Document 87 - RAW XML: FilingSummary.xml
</DOCUMENT> <DOCUMENT> <TYPE>JSON <SEQUENCE>89 <FILENAME>MetaLinks.json <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 89 - file: MetaLinks.json
</DOCUMENT> <DOCUMENT> <TYPE>ZIP <SEQUENCE>90 <FILENAME>0001485003-20-000093-xbrl.zip <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 90 - file: 0001485003-20-000093-xbrl.zip
</DOCUMENT> </SEC-DOCUMENT>