v3.26.1
Document and Entity Information
3 Months Ended
Mar. 31, 2026
Cover [Abstract]  
Document Type 10-Q
Amendment Flag false
Document Quarterly Report true
Document Transition Report false
Document Period End Date Mar. 31, 2026
Document Fiscal Year Focus 2026
Document Fiscal Period Focus Q1
Current Fiscal Year End Date --12-31
Entity Registrant Name Dyne Therapeutics, Inc.
Entity Central Index Key 0001818794
Entity File Number 001-39509
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 36-4883909
Entity Address, Address Line One 1560 Trapelo Road
Entity Address, City or Town Waltham
Entity Address, State or Province MA
Entity Address, Postal Zip Code 02451
City Area Code 781
Local Phone Number 786-8230
Title of 12(b) Security Common Stock, $0.0001 par value per share
Trading Symbol DYN
Security Exchange Name NASDAQ
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Large Accelerated Filer
Entity Small Business false
Entity Emerging Growth Company false
Entity Shell Company false