Form 4 Filing for KIRBY CORP (KEX)

This filing details transactions by Christian G. O'Neil, President and COO of KIRBY CORP. On December 22, 2025, O'Neil acquired 11,145 shares of Common Stock through the exercise of employee stock options at a price of $73.29 per share, increasing his post-transaction holdings to 25,980 shares. Concurrently, he disposed of 11,145 shares of Common Stock at a weighted average price of $111.68 per share, with sales ranging from $111.63 to $111.82. This resulted in a post-transaction share balance of 14,835 shares. The filing was signed by Ronald A. Dragg as agent and attorney-in-fact on December 23, 2025.