0001209191-21-042857.txt : 20210623 0001209191-21-042857.hdr.sgml : 20210623 20210623202627 ACCESSION NUMBER: 0001209191-21-042857 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210621 FILED AS OF DATE: 20210623 DATE AS OF CHANGE: 20210623 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: ATLAS VENTURE ASSOCIATES X, L.P. CENTRAL INDEX KEY: 0001742766 STATE OF INCORPORATION: DE FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39319 FILM NUMBER: 211040208 BUSINESS ADDRESS: STREET 1: 400 TECHNOLOGY SQ. STREET 2: 10TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 857-201-2700 MAIL ADDRESS: STREET 1: 400 TECHNOLOGY SQ. STREET 2: 10TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Atlas Venture Associates X, LLC CENTRAL INDEX KEY: 0001742765 STATE OF INCORPORATION: DE FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39319 FILM NUMBER: 211040207 BUSINESS ADDRESS: STREET 1: 400 TECH. SQ. STREET 2: 10TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 857-201-2700 MAIL ADDRESS: STREET 1: 400 TECH. SQ. STREET 2: 10TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Atlas Venture Associates Opportunity I, LLC CENTRAL INDEX KEY: 0001780066 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39319 FILM NUMBER: 211040205 BUSINESS ADDRESS: STREET 1: 400 TECHNOLOGY SQUARE STREET 2: 10TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 857-201-2700 MAIL ADDRESS: STREET 1: 400 TECHNOLOGY SQUARE STREET 2: 10TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Atlas Venture Associates Opportunity I, L.P. CENTRAL INDEX KEY: 0001780065 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39319 FILM NUMBER: 211040206 BUSINESS ADDRESS: STREET 1: 400 TECHNOLOGY SQUARE STREET 2: 10TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 857-201-2700 MAIL ADDRESS: STREET 1: 400 TECHNOLOGY SQUARE STREET 2: 10TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 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 doc4.xml FORM 4 SUBMISSION X0306 4 2021-06-21 0 0001733294 Generation Bio Co. GBIO 0001742766 ATLAS VENTURE ASSOCIATES X, L.P. 300 TECHNOLOGY SQUARE, 8TH FLOOR CAMBRIDGE MA 02139 0 0 1 0 0001742765 Atlas Venture Associates X, LLC 300 TECHNOLOGY SQUARE, 8TH FLOOR CAMBRIDGE MA 02139 0 0 1 0 0001780065 Atlas Venture Associates Opportunity I, L.P. 300 TECHNOLOGY SQUARE, 8TH FLOOR CAMBRIDGE MA 02139 0 0 1 0 0001780066 Atlas Venture Associates Opportunity I, LLC 300 TECHNOLOGY SQUARE, 8TH FLOOR CAMBRIDGE MA 02139 0 0 1 0 Common Stock 2021-06-21 4 S 0 59978 24.82 D 155708 D Common Stock 2021-06-21 4 S 0 3796 25.12 D 151912 D Common Stock 2021-06-21 4 S 0 111 24.82 D 897 I See footnote Common Stock 2021-06-21 4 S 0 7 25.12 D 890 I See footnote Common Stock 2021-06-22 4 S 0 33261 24.76 D 118651 D Common Stock 2021-06-22 4 S 0 25208 25.20 D 93443 D Common Stock 2021-06-22 4 S 0 61 24.76 D 829 I See footnote Common Stock 2021-06-22 4 S 0 47 25.20 D 782 I See footnote Common Stock 2021-06-23 4 S 0 34162 25.08 D 59281 D Common Stock 2021-06-23 4 S 0 28331 25.69 D 30950 D Common Stock 2021-06-23 4 S 0 63 25.08 D 719 I See footnote Common Stock 2021-06-23 4 S 0 53 25.69 D 666 I See footnote Shares were sold pursuant to a Rule 10b5-1 trading plan dated April 20 ,2021. The shares reported herein give effect to the pro rata distribution of shares by Atlas Venture Fund X, L.P. for no additional consideration to its limited partners and its and general partner, Atlas Venture Associates X, L.P. ("AVA X LP"), subsequent to the Reporting Persons' last Section 16 filing reporting ownership of the Issuer's Common Stock. As the distribution of such shares constituted only a change in the form of the Reporting Persons' ownership in such shares, the Reporting Persons were not required to report the distribution pursuant to Section 16. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.08 to $25.07 inclusive. The Reporting Persons undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the 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 (3), (5), (8), (9), (10) and (11). The shares are held directly by AVA X LP. Atlas Venture Associates X, LLC ("AVA X LLC") is the general partner of AVA X LP. AVA X LLC disclaims Section 16 beneficial ownership of the securities held by AVA X LP except to the extent of its pecuniary interest therein, if any. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.08 to $25.20 inclusive. The shares reported herein give effect to the pro rata distribution of shares by Atlas Venture Opportunity Fund I, L.P. for no additional consideration to its limited partners and its and general partner, Atlas Venture Associates Opportunity I, LP ("AVAO LP"), subsequent to the Reporting Persons' last Section 16 filing reporting ownership of the Issuer's Common Stock. As the distribution of such shares constituted only a change in the form of the Reporting Persons' ownership in such shares, the Reporting Persons were not required to report the distribution pursuant to Section 16. The shares are held directly by AVAO LP. Atlas Venture Associates Opportunity I, LLC ("AVAO LLC") is the general partner of AVAO LP. AVAO LLC disclaims Section 16 beneficial ownership of the securities held by AVAO LP except to the extent of its pecuniary interest therein, if any. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.08 to $25.07 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.10 to $25.285 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.63 to $25.62 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.63 to $25.95 inclusive. Atlas Venture Associates X, L.P., By: Atlas Venture Associates X, LLC, Its: General Partner, By: /s/ Ommer Chohan, Chief Financial Officer 2021-06-23 Atlas Venture Associates X, LLC, By: /s/ Ommer Chohan, Chief Financial Officer 2021-06-23 Atlas Venture Associates Opportunity I, L.P., By: Atlas Venture Associates Opportunity I, LLC, its general partner, By: Ommer Chohan, Chief Financial Officer, /s/ Ommer Chohan 2021-06-23 Atlas Venture Associates Opportunity I, LLC, By: Ommer Chohan, Chief Financial Officer, /s/ Ommer Chohan 2021-06-23