ADP Officer Virginia Magliulo Files Form 144 to Sell $859K in Common Stock

Executive Summary

On October 30, 2026, Virginia Magliulo, an Officer at Automatic Data Processing, Inc. ($ADP), filed a Form 144 notice proposing the sale of 2,927 shares of common stock through Fidelity Brokerage Services LLC. The estimated market value of the proposed transaction is $859,659.90, reflecting an approximate price of $293.70 per share.

Transaction Details

• Security: Common Stock
• Shares Proposed for Sale: 2,927
• Aggregate Market Value: $859,659.90
• Approximate Sale Date: October 30, 2026
• Securities Origin: Acquired via Restricted Stock Vesting as equity compensation from the issuer (781 shares on September 1, 2025, and 2,146 shares on September 1, 2026).
• Trading Plan: Executed under a pre-established Rule 10b5-1 plan adopted on September 5, 2025.

Market Impact & Significance

The trading significance of this filing is assessed as Low. The proposed transaction represents an immaterial fraction of ADP's approximately 397.3 million shares outstanding. Furthermore, the sale is governed by a pre-scheduled Rule 10b5-1 trading arrangement established over a year prior, indicating standard executive liquidity diversification following equity vestings rather than a discretionary signal on current business fundamentals.