D'Ambrosio Christopher 4

What Happened
Christopher D'Ambrosio, Corporate Vice President at Automatic Data Processing (ADP), reported a sale of 543 shares on 2026-03-16. The shares were disposed at $208.45 each, for a total transaction value of approximately $113,188. This was a sale (not a purchase), which for many insiders can be routine rather than a signal of company prospects.

Key Details

• Transaction date: 2026-03-16; Price: $208.45 per share; Shares sold: 543; Total value: ~$113,188.
• Transaction type/code: Sale (S) reported as "open market or private sale."
• Shares owned after the transaction: not specified in the provided filing excerpt.
• Footnote: The sale was executed pursuant to a Rule 10b5-1 trading plan adopted by D'Ambrosio in September 2025 (prearranged plan).
• Filing timing: Report covers period 2026-03-16 and was filed 2026-03-17 (appears timely).

Context
Sales executed under 10b5-1 plans are pre-scheduled trades established to avoid insider trading concerns and often reflect pre-set liquidity or diversification needs rather than new information about the company. For retail investors, purchases typically carry more immediate informational value than routine sales like this one.