v3.24.4
Document and Entity Information
Jan. 10, 2025
Cover [Abstract]  
Entity Incorporation State Country Code DE
Amendment Flag false
Entity Central Index Key 0001597553
Document Type 8-K
Document Period End Date Jan. 10, 2025
Entity Registrant Name Sage Therapeutics, Inc.
Entity File Number 001-36544
Entity Tax Identification Number 27-4486580
Entity Address, Address Line One 55 Cambridge Parkway
Entity Address, City or Town Cambridge
Entity Address, State or Province MA
Entity Address, Postal Zip Code 02142
City Area Code (617)
Local Phone Number 299-8380
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, par value $0.0001 per share
Trading Symbol SAGE
Security Exchange Name NASDAQ
Entity Emerging Growth Company false