0001104659-20-132124.txt : 20201203 0001104659-20-132124.hdr.sgml : 20201203 20201203204200 ACCESSION NUMBER: 0001104659-20-132124 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20201203 FILED AS OF DATE: 20201203 DATE AS OF CHANGE: 20201203 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: AFEYAN NOUBAR CENTRAL INDEX KEY: 0001222012 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39746 FILM NUMBER: 201368363 MAIL ADDRESS: STREET 1: C/O FLAGSHIP PIONEERING, INC. STREET 2: 55 CAMBRIDGE PARKWAY, SUITE 800E CITY: CAMBRIDGE STATE: MA ZIP: 02142 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Flagship Pioneering Inc. CENTRAL INDEX KEY: 0001400240 STATE OF INCORPORATION: DE FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39746 FILM NUMBER: 201368364 BUSINESS ADDRESS: STREET 1: 55 CAMBRIDGE PARKWAY, SUITE 800E CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 617 868-1888 MAIL ADDRESS: STREET 1: 55 CAMBRIDGE PARKWAY, SUITE 800E CITY: CAMBRIDGE STATE: MA ZIP: 02142 FORMER NAME: FORMER CONFORMED NAME: Flagship Ventures Management, Inc. DATE OF NAME CHANGE: 20070522 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Flagship Pioneering Special Opportunities Fund II General Partner LLC CENTRAL INDEX KEY: 0001826217 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39746 FILM NUMBER: 201368365 BUSINESS ADDRESS: STREET 1: 55 CAMBRIDGE PARKWAY STREET 2: 8TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 617-868-1888 MAIL ADDRESS: STREET 1: 55 CAMBRIDGE PARKWAY STREET 2: 8TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Flagship Pioneering Special Opportunities Fund II, L.P. CENTRAL INDEX KEY: 0001761283 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39746 FILM NUMBER: 201368366 BUSINESS ADDRESS: STREET 1: 55 CAMBRIDGE PARKWAY CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 617-868-1888 MAIL ADDRESS: STREET 1: 55 CAMBRIDGE PARKWAY CITY: CAMBRIDGE STATE: MA ZIP: 02142 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Flagship Ventures Fund V, L.P. CENTRAL INDEX KEY: 0001627639 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39746 FILM NUMBER: 201368367 BUSINESS ADDRESS: STREET 1: ONE MEMORIAL DRIVE, 7TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 617-868-1888 MAIL ADDRESS: STREET 1: ONE MEMORIAL DRIVE, 7TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Flagship Ventures Fund V General Partner LLC CENTRAL INDEX KEY: 0001724575 STATE OF INCORPORATION: DE FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39746 FILM NUMBER: 201368368 BUSINESS ADDRESS: STREET 1: 55 CAMBRIDGE PARKWAY STREET 2: SUITE 800E CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 617-868-1888 MAIL ADDRESS: STREET 1: 55 CAMBRIDGE PARKWAY STREET 2: SUITE 800E CITY: CAMBRIDGE STATE: MA ZIP: 02142 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Sigilon Therapeutics, Inc. CENTRAL INDEX KEY: 0001821323 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 474005543 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 100 BINNEY STREET STREET 2: STE 600 CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 617-336-7540 MAIL ADDRESS: STREET 1: 100 BINNEY STREET STREET 2: STE 600 CITY: CAMBRIDGE STATE: MA ZIP: 02142 3 1 a3.xml 3 X0206 3 2020-12-03 0 0001821323 Sigilon Therapeutics, Inc. SGTX 0001724575 Flagship Ventures Fund V General Partner LLC C/O FLAGSHIP PIONEERING INC. 55 CAMBRIDGE PARKWAY, SUITE 800E CAMBRIDGE MA 02142 0 0 1 0 0001627639 Flagship Ventures Fund V, L.P. C/O FLAGSHIP PIONEERING INC. 55 CAMBRIDGE PARKWAY, SUITE 800E CAMBRIDGE MA 02142 0 0 1 0 0001761283 Flagship Pioneering Special Opportunities Fund II, L.P. C/O FLAGSHIP PIONEERING INC. 55 CAMBRIDGE PARKWAY, SUITE 800E CAMBRIDGE MA 02142 0 0 1 0 0001826217 Flagship Pioneering Special Opportunities Fund II General Partner LLC C/O FLAGSHIP PIONEERING INC. 55 CAMBRIDGE PARKWAY, SUITE 800E CAMBRIDGE MA 02142 0 0 1 0 0001400240 Flagship Pioneering Inc. C/O FLAGSHIP PIONEERING INC. 55 CAMBRIDGE PARKWAY, SUITE 800E CAMBRIDGE MA 02142 0 0 1 0 0001222012 AFEYAN NOUBAR C/O FLAGSHIP PIONEERING INC. 55 CAMBRIDGE PARKWAY, SUITE 800E CAMBRIDGE MA 02142 0 0 1 0 Series A Convertible Preferred Stock Common Stock 4444444 I See Footnote Series A-1 Convertible Preferred Stock Common Stock 4074074 I See Footnote Series B Convertible Preferred Stock Common Stock 370370 I See Footnote Series B Convertible Preferred Stock Common Stock 1481481 I See Footnote The Series A Convertible Preferred Stock, Series A-1 Convertible Preferred Stock and Series B Convertible Preferred Stock (collectively, the "Preferred Stock") is convertible into the number of shares of the Registrant's common stock shown in column 3 and has no expiration date. The Preferred Stock will automatically convert into common stock upon the closing of the Registrant's initial public offering. Shares held by Flagship Ventures Fund V, L.P. ("Flagship Fund V"). Flagship Ventures Fund V General Partner LLC ("Fund V GP") is the general partner of Flagship Fund V. Noubar B. Afeyan Ph.D. serves as the sole manager of Fund V GP. Each of Fund V GP and Noubar B. Afeyan Ph.D. disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein. Shares held by Flagship Pioneering Special Opportunities Fund II, L.P. ("Flagship Opportunities Fund II"). Flagship Pioneering Special Opportunities Fund II General Partner LLC ("Opportunities Fund II GP") is the general partner of Flagship Opportunities Fund II. Flagship Pioneering, Inc. ("Flagship Pioneering") is the manager of Opportunities Fund II GP. Noubar B. Afeyan, Ph.D. is sole director of Flagship Pioneering. Each of Noubar B. Afeyan Ph.D., Flagship Pioneering, and Opportunities Fund II GP disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein. Flagship Ventures Fund V, L.P., By: Flagship Ventures Fund V General Partner LLC, its general partner, By: /s/ Noubar B. Afeyan Ph.D., Title: Manager 2020-12-03 Flagship Ventures Fund V General Partner LLC, By: /s/ Noubar B. Afeyan Ph.D., Title: Manager 2020-12-03 Flagship Pioneering Special Opportunities Fund II, L.P., By: Flagship Pioneering, Inc. its manager, By: /s/ Noubar B. Afeyan Ph.D., Title: CEO, Flagship Pioneering, Inc. 2020-12-03 Flagship Pioneering Special Opportunities Fund II General Partner LLC, By: /s/ Noubar B. Afeyan Ph.D., Title: Manager 2020-12-03 Flagship Pioneering, Inc., /s/ Noubar B. Afeyan Ph.D., Title: CEO 2020-12-03 /s/ Noubar B. Afeyan Ph.D. 2020-12-03