0001209191-21-057719.txt : 20210924 0001209191-21-057719.hdr.sgml : 20210924 20210924205953 ACCESSION NUMBER: 0001209191-21-057719 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210922 FILED AS OF DATE: 20210924 DATE AS OF CHANGE: 20210924 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: 211278777 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: 211278776 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: 211278774 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 Opportunity Fund I, L.P. CENTRAL INDEX KEY: 0001759241 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39319 FILM NUMBER: 211278775 BUSINESS ADDRESS: STREET 1: 400 TECHNOLOGY SQUARE, 10TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 857-201-2700 MAIL ADDRESS: STREET 1: 400 TECHNOLOGY SQUARE, 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 2021-09-22 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 0001759241 Atlas Venture Opportunity Fund 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 2021-09-22 4 S 0 30560 25.891 D 185126 D Common Stock 2021-09-23 4 S 0 75324 26.133 D 109802 D Common Stock 2021-09-23 4 S 0 1 26.55 D 109801 D Common Stock 2021-09-24 4 S 0 28862 25.839 D 80939 D Common Stock 2021-09-22 4 S 0 57 25.891 D 951 I See footnote Common Stock 2021-09-23 4 S 0 140 26.133 D 811 I See footnote Common Stock 2021-09-24 4 S 0 54 25.839 D 757 I See footnote Common Stock 7111939 I See footnote Common Stock 1166937 I See footnote Shares were sold pursuant to a Rule 10b5-1 trading plan dated April 20, 2021. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.54 to $26.21 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 (2),(4) and (5). The shares are held directly by Atlas Venture Associates X, L.P. ("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 $25.53 to $26.518 inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.40 to $26.21 inclusive. The shares are held directly by Atlas Venture Associates Opportunity I, LP ("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 shares are held directly by Atlas Venture Fund X, L.P. ("Atlas Venture Fund X"). The general partner of Atlas Venture Fund X is AVA X LP. AVA X LLC is the general partner of AVA X LP. Each of AVA X LP and AVA X LLC disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Fund X, except to the extent of its pecuniary interest therein, if any. The shares are held directly by Atlas Venture Opportunity Fund I, L.P. ("Atlas Venture Opportunity Fund I"). The general partner of Atlas Venture Opportunity Fund I is AVAO I LP. AVAO I LLC is the general partner of AVAO I LP. Each of AVAO I LP and AVAO I LLC disclaims Section 16 beneficial ownership of the securities held by Atlas Venture Opportunity Fund I, except to the extent of its pecuniary interest therein, if any. Atlas Venture Associates X, L.P., By: Atlas Venture Associates X, LLC, Its: General Partner, By: /s/ Ommer Chohan, Chief Financial Officer 2021-09-24 Atlas Venture Associates X, LLC, By: /s/ Ommer Chohan, Chief Financial Officer 2021-09-24 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 2021-09-24 Atlas Venture Associates Opportunity I, LLC, By: Ommer Chohan, Chief Financial Officer, /s/ Ommer Chohan 2021-09-24