0000950170-24-037226.txt : 20240327 0000950170-24-037226.hdr.sgml : 20240327 20240327162410 ACCESSION NUMBER: 0000950170-24-037226 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240325 FILED AS OF DATE: 20240327 DATE AS OF CHANGE: 20240327 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Cox John CENTRAL INDEX KEY: 0001498428 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39509 FILM NUMBER: 24791043 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 4 1 ownership.xml 4 X0508 4 2024-03-25 0001818794 Dyne Therapeutics, Inc. DYN 0001498428 Cox John C/O DYNE THERAPEUTICS, INC. 1560 TRAPELO ROAD WALTHAM MA 02451 true true false false See Remarks false Stock Option (Right to Buy) 26.06 2024-03-25 4 A false 679853 0 A 2034-03-24 Common Stock 679853 679853 D This option was granted on March 25, 2024. The shares underlying the option are scheduled to vest over four years, with 25% of the shares vesting on March 25, 2025, and the remainder vesting in equal monthly installments thereafter, subject to continuous service Chief Executive Officer and President /s/ Richard Scalzo, Attorney-in-Fact 2024-03-27