<SEC-DOCUMENT>0000950123-21-000234-index.html : 20210119
<SEC-HEADER>0000950123-21-000234.hdr.sgml : 20210119
<ACCEPTANCE-DATETIME>20210111171256
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0000950123-21-000234
CONFORMED SUBMISSION TYPE:	DRS
PUBLIC DOCUMENT COUNT:		30
FILED AS OF DATE:		20210111
<PUBLIC-REL-DATE>20210119
DATE AS OF CHANGE:		20210111

FILER:

	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

	FILING VALUES:
		FORM TYPE:		DRS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	377-04014
		FILM NUMBER:		21521564

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>DRS
<SEQUENCE>1
<FILENAME>filename1.htm
<TEXT>
Document 1 - file: filename1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-21.1 <SEQUENCE>2 <FILENAME>filename2.htm <TEXT> Document 2 - file: filename2.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g55376g01z17.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g55376g01z17.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g55376g11u80.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g55376g11u80.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g55376g11u81.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g55376g11u81.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g55376g12f10.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g55376g12f10.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g55376g12l40.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g55376g12l40.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g55376g12o90.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g55376g12o90.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g55376g12q60.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g55376g12q60.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g55376g12s70.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g55376g12s70.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g55376g12t50.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g55376g12t50.jpg
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>g55376g13p33.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: g55376g13p33.jpg
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>g55376g32q47.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: g55376g32q47.jpg
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>28 <FILENAME>g55376g71n12.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 28 - file: g55376g71n12.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>29 <FILENAME>g55376g79h63.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 29 - file: g55376g79h63.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>30 <FILENAME>g55376g79h64.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 30 - file: g55376g79h64.jpg
</DOCUMENT> </SEC-DOCUMENT>