Form 4 Filing for Nicholas Mark Studer

This filing details a transaction by Nicholas Mark Studer, President and CEO of Marsh Risk at Marsh & McLennan Companies, Inc. On May 1, 2026, Studer acquired 8,945 Restricted Stock Units (RSUs) with a transaction value of $0.00. These RSUs convert to Marsh & McLennan Companies common stock on a 1-for-1 basis. The RSUs vest in three equal annual installments on May 15, 2027, 2028, and 2029. Following this transaction, Studer holds 14,711 shares of common stock.