0001209191-18-062515.txt : 20181213 0001209191-18-062515.hdr.sgml : 20181213 20181213183029 ACCESSION NUMBER: 0001209191-18-062515 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20181211 FILED AS OF DATE: 20181213 DATE AS OF CHANGE: 20181213 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Avalon Ventures X, L.P. CENTRAL INDEX KEY: 0001557058 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38756 FILM NUMBER: 181234205 BUSINESS ADDRESS: STREET 1: 1134 KLINE STREET CITY: LA JOLLA STATE: CA ZIP: 92037 BUSINESS PHONE: 858-348-2180 MAIL ADDRESS: STREET 1: 1134 KLINE STREET CITY: LA JOLLA STATE: CA ZIP: 92037 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Avalon X SPV, L.P. CENTRAL INDEX KEY: 0001760841 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38756 FILM NUMBER: 181234206 BUSINESS ADDRESS: STREET 1: 11099 N. TORREY PINES ROAD, SUITE 290 CITY: LA JOLLA STATE: CA ZIP: 92037 BUSINESS PHONE: 858-750-4718 MAIL ADDRESS: STREET 1: 11099 N. TORREY PINES ROAD, SUITE 290 CITY: LA JOLLA STATE: CA ZIP: 92037 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Synthorx, Inc. CENTRAL INDEX KEY: 0001609727 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 464709185 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 11099 NORTH TORREY PINES ROAD, SUITE 290 CITY: LA JOLLA STATE: CA ZIP: 92037 BUSINESS PHONE: 858-750-4715 MAIL ADDRESS: STREET 1: 11099 NORTH TORREY PINES ROAD, SUITE 290 CITY: LA JOLLA STATE: CA ZIP: 92037 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2018-12-11 0 0001609727 Synthorx, Inc. THOR 0001557058 Avalon Ventures X, L.P. 11099 N. TORREY PINES ROAD, SUITE 290 LA JOLLA CA 92037 0 0 1 0 0001760841 Avalon X SPV, L.P. 11099 N. TORREY PINES ROAD, SUITE 290 LA JOLLA CA 92037 0 0 1 0 Common Stock 2018-12-11 4 C 0 1281664 A 1468901 D Common Stock 2018-12-11 4 C 0 762617 A 2231518 D Common Stock 2018-12-11 4 C 0 2517278 A 4748796 D Common Stock 2018-12-11 4 C 0 1136631 A 1136631 I By Avalon X SPV I, L.P. Common Stock 2018-12-11 4 P 0 545455 11.00 A 1682086 I By Avalon X SPV I, L.P. Series A Preferred Stock 2018-12-11 4 C 0 2053534 0.00 D Common Stock 1281664 0 D Series B Preferred Stock 2018-12-11 4 C 0 1221896 0.00 D Common Stock 762617 0 D Series C Preferred Stock 2018-12-11 4 C 0 4033283 0.00 D Common Stock 2517278 0 D Series C Preferred Stock 2018-12-11 4 C 0 1821156 0.00 D Common Stock 1136631 0 I By Avalon X SPV I, L.P. Automatic conversion, in connection with the Issuer's initial public offering, of preferred stock into shares of common stock on a 1.60224-to-1 basis. The shares have no expiration date. Avalon Ventures X GP LLC ("Avalon X GP") and Avalon Ventures X SPV GP LLC ("Avalon X SPV GP") are general partners of Avalon Ventures X, L.P. ("Avalon Ventures") and Avalon X SPV I, L.P. ("Avalon SPV") and may be deemed to have voting and investment power with respect to the shares held by Avalon Ventures and Avalon SPV and as a result may be deemed to have beneficial ownership of such shares. The shares were purchased at the Issuer's initial public offering. /s/ Jay Lichter, Authorized Signatory 2018-12-13 /s/ Jay Lichter, Authorized Signatory 2018-12-13