Form 4: ADP Executive Sells Shares Under 10b5-1 Plan

Automatic Data Processing Inc. Corporate VP Christopher D'Ambrosio sold 543 shares of common stock for $262.29 per share under a pre-arranged 10b5-1 trading plan.

Summary

• Christopher D'Ambrosio, Corporate VP of Automatic Data Processing Inc. (ADP), disposed of 543 shares of common stock.
• The transaction occurred on January 13, 2026, at a price of $262.29 per share.
• The sale was executed pursuant to a Rule 10b5-1 trading plan, which was adopted by Mr. D'Ambrosio in September 2025.
• Following this transaction, Mr. D'Ambrosio beneficially owns 9,998.23 shares of ADP common stock directly.

Sentiment

Score: 5

Explanation: A routine insider transaction under a pre-arranged trading plan, typically not indicative of company-specific sentiment or significant operational changes.

Future Outlook

NA

Industry Context

This is a routine insider transaction disclosure for an executive at a major human capital management and payroll services provider. Such transactions are common and typically reflect personal financial planning rather than specific company or industry-wide trends, especially when conducted under a pre-arranged 10b5-1 plan.

Stakeholder Impact

• Shareholders: A planned sale of 543 shares by a Corporate VP is a minor transaction relative to ADP's market capitalization and daily trading volume, unlikely to have a material impact on shareholder value or perception.

Key Dates

Keywords

Automatic Data Processing, ADP, Christopher D'Ambrosio, Insider Transaction, Form 4, Stock Sale, 10b5-1 Plan, Executive Compensation