Officer/Director Sale of CSX Corp Common Stock

John J. Zillmer, a director at CSX Corp, reported the sale of 10,000 shares of common stock on June 3, 2026. The shares were sold at a weighted average price of $46.45, with individual transactions ranging from $46.43 to $46.50. Following this transaction, Zillmer directly owns 353,714 shares of CSX Corp stock. The reporting person has undertaken to provide further details on the specific prices and quantities of shares sold at each price point within the given range upon request. This filing is made on Form 4.