Form 4 Filing for D'Ambrosio Christopher at AUTOMATIC DATA PROCESSING INC

Christopher D'Ambrosio, Corp. VP at AUTOMATIC DATA PROCESSING INC (ADP), reported the sale of 543 shares of Common Stock on March 16, 2026. The transaction, executed under a Rule 10b5-1 trading plan adopted in September 2025, occurred at a price of $208.45 per share. Following the sale, D'Ambrosio owns 8912.23 shares of Common Stock. The filing also notes that the sale was a disposition (D) under transaction code S. The ownership is direct (D). The report was signed on March 17, 2026.