v3.26.1
Document And Entity Information
Apr. 13, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Apr. 13, 2026
Entity Registrant Name CG Oncology, Inc.
Entity Central Index Key 0001991792
Entity Emerging Growth Company false
Entity File Number 001-41925
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 37-1611499
Entity Address, Address Line One 3000 Pegasus Park Drive
Entity Address, Address Line Two Suite 1640
Entity Address, City or Town Dallas
Entity Address, State or Province TX
Entity Address, Postal Zip Code 75247
City Area Code (949)
Local Phone Number 409-3700
Entity Information, Former Legal or Registered Name 400 Spectrum Center Drive, Suite 2040Irvine, CA 92618
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 $0.0001 per share
Trading Symbol CGON
Security Exchange Name NASDAQ