X0609 4 2026-08-27 0 0001533615 Chiron Real Estate Inc. XRN 0001229248 KIERNAN ROBERT J false 7373 WISCONSIN AVENUE, SUITE 800 BETHESDA MD 20814 0 1 0 0 CFO and Treasurer 0 Option (Right to buy) 60 2026-08-27 4 A 0 29580 0 A 2036-08-27 Common Stock 29580 29580 D The options have an exercise price of $60.00 per share and the shares subject to the options become exercisable in three equal annual installments on each of August 27, 2027, August 27, 2028 and August 27, 2029, subject to the Reporting Person's continued service through each applicable vesting date. /s/ Jamie Barber, as Attorney-in-Fact 2026-08-31