<SEC-DOCUMENT>0001415889-25-015986-index.html : 20250606 <SEC-HEADER>0001415889-25-015986.hdr.sgml : 20250606 <ACCEPTANCE-DATETIME>20250606161928 ACCESSION NUMBER: 0001415889-25-015986 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20250604 FILED AS OF DATE: 20250606 DATE AS OF CHANGE: 20250606 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Cooper Ronald Harold Wilfred CENTRAL INDEX KEY: 0001676880 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39319 FILM NUMBER: 251030953 MAIL ADDRESS: STREET 1: C/O GENOCEA BIOSCIENCES, INC. STREET 2: 100 ACORN PARK DRIVE, 5TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02140 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Generation Bio Co. CENTRAL INDEX KEY: 0001733294 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences EIN: 814301281 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 301 BINNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 857-529-5908 MAIL ADDRESS: STREET 1: 301 BINNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02142 </SEC-HEADER> <DOCUMENT> <TYPE>4 <SEQUENCE>1 <FILENAME>form4-06062025_080619.xml <TEXT> Document 1 - file: form4-06062025_080619.html
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