Form 4 Filing for Gary M. Reiner

Gary M. Reiner, a director at Citigroup Inc., acquired 417 shares of common stock on October 1, 2026, under the company's Compensation Plan for Non-Employee Directors. The acquisition was made at a price of $131.594 per share, resulting in a post-transaction ownership of 50,148.0225 shares. The filing was signed by Joseph B. Wollard as attorney-in-fact.