0001485003-19-000052.txt : 20190805 0001485003-19-000052.hdr.sgml : 20190805 20190805213103 ACCESSION NUMBER: 0001485003-19-000052 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190801 FILED AS OF DATE: 20190805 DATE AS OF CHANGE: 20190805 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Sullivan Mark CENTRAL INDEX KEY: 0001331843 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36296 FILM NUMBER: 191000260 MAIL ADDRESS: STREET 1: 1000 BISHOPS GATE BOULEVARD STREET 2: SUITE 300 CITY: MOUNT LAUREL STATE: NJ ZIP: 08054 ISSUER: 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 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 3 1 wf-form3_156505504626525.xml FORM 3 X0206 3 2019-08-01 0 0001485003 Sesen Bio, Inc. SESN 0001331843 Sullivan Mark C/O SESEN BIO, INC. 245 FIRST STREET, SUITE 1800 CAMBRIDGE MA 02142 0 1 0 0 General Counsel & Secretary Employee Stock Option (Right to Buy) 1.0 2029-02-27 Common Stock 260000.0 D This option was granted on February 27, 2019. 25% of the shares subject to such option shall vest on the first anniversary of the date of grant of the option and an additional 6.25% of the shares underlying the option shall vest at the end of each successive three-month period thereafter until the fourth anniversary of the date of grant of the option. /s/ Mark R. Sullivan 2019-08-05