X0609 4 2026-05-29 0 0001533615 Chiron Real Estate Inc. XRN 0001337373 Fitzgerald Charles false C/O CHIRON REAL ESTATE INC. 7373 WISCONSIN AVENUE, SUITE 800 BETHESDA MD 20814 1 0 0 0 0 6.00% SERIES C CONVERTIBLE PREFERRED STOCK 2026-05-29 4 A 0 220000 100 A Common Stock 511627.60 220000 I By Maewyn XRN LP The 6.00% Series C Convertible Preferred Stock ("Preferred Stock") is convertible into shares of Common Stock, based on a conversion ratio of 2.32558, resulting in 511,627.60 shares of Common Stock issuable upon conversion of the Preferred Stock (subject to specified anti-dilution adjustments), which conversion can occur at the election of the reporting persons at any time or in certain specified circumstances at the election of the Issuer. The Preferred Stock does not have an expiration date, but is subject to certain specified redemption rights of the Issuer. Mr. Fitzgerald has voting and dispositive control over these securities, but disclaims beneficial ownership of these securities except to the extent of any pecuniary interest therein. /s/ Charles P. Fitzgerald 2026-06-02