v3.26.1
Document and Entity Information
Jun. 17, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 17, 2026
Entity File Number 001-41740
Entity Registrant Name Apogee Therapeutics, Inc.
Entity Central Index Key 0001974640
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 93-4958665
Entity Address, Address Line One 221 Crescent St.
Entity Address, Address Line Two Building 17, Suite 102b
Entity Address, City or Town Waltham
Entity Address, State or Province MA
Entity Address, Postal Zip Code 02453
City Area Code 650
Local Phone Number 394-5230
Title of 12(b) Security Common Stock, par value $0.00001 per share
Trading Symbol APGE
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false