0000950170-24-023442.txt : 20240229 0000950170-24-023442.hdr.sgml : 20240229 20240229195220 ACCESSION NUMBER: 0000950170-24-023442 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240229 DATE AS OF CHANGE: 20240229 SUBJECT COMPANY: 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 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-39509 FILM NUMBER: 24706355 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Scalzo Richard William CENTRAL INDEX KEY: 0001789545 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 25 ALBERTA LANE CITY: HOLLISTON STATE: MA ZIP: 01746 144 1 primary_doc.xml 144 0001789545 XXXXXXXX LIVE 0001818794 Dyne Therapeutics, Inc. 001-39509 1560 Trapelo Road Waltham MA 02451 (781)-786-8230 Richard Scalzo Officer Common Stock Stifel Financial Corporation
3 Bryant Park, 4th Floor 1095 Avenue of the Americas New York NY 10036
3429 94310 61375598 02/29/2024 NASDAQ
Common Stock 02/29/2024 Stock option exercise Issuer N 3429 02/29/2024 Cash N Richard Scalzo
1560 Trapelo Road Waltham MA 02451
Common Stock 12/04/2023 681 8177
Richard Scalzo
1560 Trapelo Road Waltham MA 02451
Common Stock 12/06/2023 1872 22475
Richard Scalzo
1560 Trapelo Road Waltham MA 02451
Common Stock 12/11/2023 1380 14797
Richard Scalzo
1560 Trapelo Road Waltham MA 02451
Common Stock 12/14/2023 2376 28558
Richard Scalzo
1560 Trapelo Road Waltham MA 02451
Common Stock 01/03/2024 13000 244500
Richard Scalzo
1560 Trapelo Road Waltham MA 02451
Common Stock 01/26/2024 13000 316441
The sales reported in this Form 144 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on July 11, 2023. 02/29/2024 07/11/2023 /s/ Richard Scalzo