<SEC-DOCUMENT>0001961863-24-000048-index.html : 20240223
<SEC-HEADER>0001961863-24-000048.hdr.sgml : 20240223
<ACCEPTANCE-DATETIME>20240223172308
ACCESSION NUMBER:		0001961863-24-000048
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20240223
DATE AS OF CHANGE:		20240223

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:		24672696

	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:			Atlas Venture Opportunity Fund II, L.P.
		CENTRAL INDEX KEY:			0001885327
		ORGANIZATION NAME:           	
		IRS NUMBER:				872809161
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144

	BUSINESS ADDRESS:	
		STREET 1:		300 TECHNOLOGY SQUARE
		STREET 2:		8TH FLOOR
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139
		BUSINESS PHONE:		857-201-2700

	MAIL ADDRESS:	
		STREET 1:		300 TECHNOLOGY SQUARE
		STREET 2:		8TH FLOOR
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
</SEC-DOCUMENT>