X0609 4 2026-06-04 0001991792 CG Oncology, Inc. CGON 0001684531 Mulay James false C/O CG ONCOLOGY, INC. 3000 PEGASUS PARK DRIVE, SUITE 1640 DALLAS TX 75247 true false false false false Director Stock Option (right to buy) 56.09 2026-06-04 4 A false 9354 0 A 2036-06-03 Common Stock 9354 9354 D 1/12th of the total number of shares of common stock subject to the option vest monthly following June 4, 2026, the date of grant (or, in the event the next annual meeting of the Issuer's stockholders occurs prior to the first anniversary of the date of grant, any remaining unvested portion of this stock option will vest on the date of such annual meeting of the Issuer's stockholders), subject to the Reporting Person's continuous service to the Issuer through each vesting date. /s/ Joshua F. Patterson, Attorney-in-Fact for James J. Mulay 2026-06-05