v3.26.1
Document and Entity Information
May 18, 2026
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0001807120
Document Type 8-K
Document Period End Date May 18, 2026
Entity Registrant Name Design Therapeutics, Inc.
Entity Incorporation State Country Code DE
Entity File Number 001-40288
Entity Tax Identification Number 82-3929248
Entity Address, Address Line One 6005 Hidden Valley Road
Entity Address, Address Line Two Suite 110
Entity Address, City or Town Carlsbad
Entity Address, State or Province CA
Entity Address, Postal Zip Code 92011
City Area Code (858)
Local Phone Number 293-4900
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, $0.0001 par value per share
Trading Symbol DSGN
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Entity Ex Transition Period true