X0609 4 2026-05-27 0001994702 Kyverna Therapeutics, Inc. KYTX 0001336504 CLARK IAN T false C/O KYVERNA THERAPEUTICS, INC. 5980 HORTON ST., STE 200 EMERYVILLE CA 94608 true false false false false Common Stock 2026-05-27 4 A false 5093 0 A 21727 D Stock Option (right to buy) 8.59 2026-05-27 4 A false 20582 0 A 2036-05-27 Common Stock 20582 20582 D Represents a restricted stock unit award of common stock, which will vest in full on the earlier of (i) May 27, 2027, and (ii) immediately prior to the date of the Issuer's 2027 annual meeting of stockholders, subject to the Reporting Person's continuous service to the Issuer on and through each applicable vesting date, inclusive. All of the shares subject to the option shall be fully vested and exercisable on the earlier of (i) May 27, 2027, and (ii) immediately prior to the date of the Issuer's 2027 annual meeting of stockholders, subject to the Reporting Person's continuous service to the Issuer on and through each applicable vesting date, inclusive. By: /s/ Samantha H. Eldredge, as Attorney-in-fact 2026-05-29