0000950170-24-042033.txt : 20240404 0000950170-24-042033.hdr.sgml : 20240404 20240404210738 ACCESSION NUMBER: 0000950170-24-042033 CONFORMED SUBMISSION TYPE: 3/A PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240325 FILED AS OF DATE: 20240404 DATE AS OF CHANGE: 20240404 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Cox John CENTRAL INDEX KEY: 0001498428 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 3/A SEC ACT: 1934 Act SEC FILE NUMBER: 001-39509 FILM NUMBER: 24824533 MAIL ADDRESS: STREET 1: C/O BIOVERATIV INC. STREET 2: 225 SECOND AVENUE CITY: WALTHAM STATE: MA ZIP: 02451 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Dyne Therapeutics, Inc. CENTRAL INDEX KEY: 0001818794 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 364883909 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1560 TRAPELO ROAD CITY: WALTHAM STATE: MA ZIP: 02451 BUSINESS PHONE: (781) 786-8230 MAIL ADDRESS: STREET 1: 1560 TRAPELO ROAD CITY: WALTHAM STATE: MA ZIP: 02451 3/A 1 ownership.xml 3/A X0206 3/A 2024-03-25 2024-03-27 0 0001818794 Dyne Therapeutics, Inc. DYN 0001498428 Cox John 1560 TRAPELO ROAD WALTHAM MA 02451 true true false false CEO & President Common Stock 5000 D This Form 3/A is being filed to correct the number of shares of common stock reported in Table I of the original Form 3 filed on March 27, 2024, which inadvertently reported 10,000 shares of common stock beneficially owned by the reporting person instead of the 5,000 shares reported herein. /s/ Richard Scalzo, Attorney-in-Fact 2024-04-04