0001209191-21-069428.txt : 20211214 0001209191-21-069428.hdr.sgml : 20211214 20211214162356 ACCESSION NUMBER: 0001209191-21-069428 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20211210 FILED AS OF DATE: 20211214 DATE AS OF CHANGE: 20211214 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Scalzo Richard William CENTRAL INDEX KEY: 0001789545 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39509 FILM NUMBER: 211491247 MAIL ADDRESS: STREET 1: 25 ALBERTA LANE CITY: HOLLISTON STATE: MA ZIP: 01746 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Dyne Therapeutics, Inc. CENTRAL INDEX KEY: 0001818794 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 364883909 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 830 WINTER STREET CITY: WALTHAM STATE: MA ZIP: 02451 BUSINESS PHONE: (781) 786-8230 MAIL ADDRESS: STREET 1: 830 WINTER STREET CITY: WALTHAM STATE: MA ZIP: 02451 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2021-12-10 0 0001818794 Dyne Therapeutics, Inc. DYN 0001789545 Scalzo Richard William C/O DYNE THERAPEUTICS, INC. 1560 TRAPELO ROAD WALTHAM MA 02451 0 1 0 0 See Remarks Common Stock 2021-12-10 4 A 0 16696 0.00 A 27302 D Stock Option (right to buy) 13.12 2021-12-10 4 A 0 25044 0.00 A 2031-12-09 Common Stock 25044 25044 D Consists of shares of Common Stock issuable under 16,696 restricted stock units ("RSUs"). Each RSU represents the right to receive one share of Common Stock upon vesting. These RSUs are scheduled to vest in equal quarterly installments over four years with the first installment vesting on March 10, 2022. Includes 25,295 unvested RSUs. Each unvested RSU represents the right to receive one share of Common Stock upon vesting. This option was granted on December 10, 2021. The shares underlying the option are scheduled to vest over four years in equal monthly installments through December 10, 2025. Vice President of Accounting and Administration and Treasurer /s/ Richard Scalzo 2021-12-14