v3.25.2
Cover
Jun. 24, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 24, 2025
Current Fiscal Year End Date --12-31
Entity File Number 001-35670
Entity Registrant Name Regulus Therapeutics Inc.
Entity Central Index Key 0001505512
Entity Tax Identification Number 26-4738379
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 4224 Campus Point Court
Entity Address, Address Line Two Suite 210
Entity Address, City or Town San Diego
Entity Address, State or Province CA
Entity Address, Postal Zip Code 92121
City Area Code 858
Local Phone Number 202-6300
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.001 per share
Trading Symbol RGLS
Security Exchange Name NASDAQ
Entity Emerging Growth Company false