0001415889-21-001463.txt : 20210312 0001415889-21-001463.hdr.sgml : 20210312 20210312160312 ACCESSION NUMBER: 0001415889-21-001463 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210310 FILED AS OF DATE: 20210312 DATE AS OF CHANGE: 20210312 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Stanton Matthew CENTRAL INDEX KEY: 0001814198 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39319 FILM NUMBER: 21737355 MAIL ADDRESS: STREET 1: C/O GENERATION BIO CO. STREET 2: 301 BINNEY STREET, SUITE 401 CITY: CAMBRIDGE STATE: MA ZIP: 02142 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Generation Bio Co. CENTRAL INDEX KEY: 0001733294 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 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 4 1 form4-03122021_010357.xml X0306 4 2021-03-10 0001733294 Generation Bio Co. GBIO 0001814198 Stanton Matthew C/O GENERATION BIO CO., 301 BINNEY ST CAMBRIDGE MA 02142 false true false false CHIEF SCIENTIFIC OFFICER Common Stock 2021-03-10 4 M 0 10500 0.60 A 208654 D Common Stock 2021-03-10 4 S 0 4550 34.57 D 204104 D Common Stock 2021-03-10 4 S 0 5950 35.28 D 198154 D Stock Option (right to buy) 0.60 2021-03-10 4 M 0 10500 0 D 2028-01-04 Common Stock 10500 35694 D These transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 24, 2020. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.94 to $34.94, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) and (3) of this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $34.95 to $35.72, inclusive. The option to purchase 87,584 shares of common stock was granted on January 5, 2018. The shares underlying the option vest over four years, with 25% of the shares vested on January 4, 2019 and the remaining shares vesting in equal quarterly installments thereafter. /s/ Jennifer Elliott, Attorney-in-Fact 2021-03-12