ADP Officer Joseph DeSilva Files Form 144 to Sell $1.84M in Common Stock

Executive Summary

On September 2, 2026, Joseph DeSilva, an Officer at Automatic Data Processing, Inc. ($ADP), filed Form 144 indicating a proposed sale of 6,512 shares of common stock with an estimated aggregate market value of $1,842,896.00 (~$283.00 per share).

Transaction Details

• Filer: Joseph DeSilva
• Relationship: Officer
• Security: Common Stock
• Proposed Sale Volume: 6,512 shares
• Broker: Fidelity Brokerage Services LLC
• Approximate Sale Date: September 2, 2026
• Acquisition Origin: The shares were acquired on September 1, 2026, via restricted stock unit (RSU) vesting as compensation.

Trading Significance

• Significance Level: Low
• Context & Rule 10b5-1 Plan: The proposed sale is executed pursuant to a pre-scheduled Rule 10b5-1 trading plan adopted on September 3, 2025. Given that this is a routine equity compensation disposition following RSU vesting under an established trading plan, it does not typically reflect a shift in insider sentiment regarding ADP's operational outlook.