v3.26.1
Document and Entity Information
Aug. 13, 2026
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0001400118
Document Type 8-K
Document Period End Date Aug. 13, 2026
Entity Registrant Name SAGIMET BIOSCIENCES INC.
Entity Incorporation State Country Code DE
Entity File Number 001-41742
Entity Tax Identification Number 20-5991472
Entity Address, Address Line One Sagimet Biosciences Inc.
Entity Address, Address Line Two 950 Tower Lane
Entity Address, Address Line Three Suite 1500
Entity Address, City or Town Foster City
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94404
City Area Code (650)
Local Phone Number 561-8600
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Series A Common Stock, $0.0001 par value per share
Trading Symbol SGMT
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Entity Ex Transition Period false