0001415889-21-001242.txt : 20210303 0001415889-21-001242.hdr.sgml : 20210303 20210303161025 ACCESSION NUMBER: 0001415889-21-001242 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210301 FILED AS OF DATE: 20210303 DATE AS OF CHANGE: 20210303 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Zimmermann Tracy CENTRAL INDEX KEY: 0001830668 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39319 FILM NUMBER: 21709024 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 form4-03032021_040301.xml X0306 4 2021-03-01 0001733294 Generation Bio Co. GBIO 0001830668 Zimmermann Tracy C/O GENERATION BIO CO., 301 BINNEY ST CAMBRIDGE MA 02142 false true false false CHIEF DEVELOPMENT OFFICER Common Stock 2021-03-01 4 M 0 2500 4.59 A 2500 D Common Stock 2021-03-01 4 S 0 200 35.75 D 2300 D Common Stock 2021-03-01 4 S 0 900 37.81 D 1400 D Common Stock 2021-03-01 4 S 0 200 38.74 D 1200 D Common Stock 2021-03-01 4 S 0 1000 40.03 D 200 D Common Stock 2021-03-01 4 S 0 200 40.71 D 0 D Stock Option (right to buy) 4.59 2021-03-01 4 M 0 2500 0 D 2028-12-05 Common Stock 2500 94407 D These transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 19, 2020. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.67 to $35.82, 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) through (6) 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 $37.13 to $38.11, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.30 to $39.18, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.53 to $40.52, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.59 to $40.82, inclusive. The option to purchase 101,907 shares was granted on December 6, 2018. The shares underlying the option vest over four years, with 25% of the shares vested on October 1, 2019 and the remaining shares vesting in equal quarterly installments thereafter. /s/ Jennifer Elliott, Attorney-in-Fact 2021-03-03