Financials & Filings Proxy Statements Filing date View Mar 30, 2020 View HTML 0001485003-20-000041.pdf 0001485003-20-000041.xls Apr 30, 2019 View HTML 0001485003-19-000025.pdf 0001485003-19-000025.xls Form 10-K Filing date View Mar 16, 2020 View HTML 0001485003-20-000038.pdf 0001485003-20-000038.xls EX-101.INS - XBRL INSTANCE DOCUMENT Mar 01, 2019 View HTML 0001485003-19-000015.pdf 0001485003-19-000015.xls EX-101.INS - XBRL INSTANCE DOCUMENT Show all 2020 First Quarter Sesen Bio Reports First Quarter 2020 Financial Results and Meaningful Progress Towards Demonstrating Analytical Comparability Form 10-Q Form 10-Q There are no SEC filings available.