ADP Filing
4Filing Date: Mar 17, 2026
AUTOMATIC DATA PROCESSING INC (ADP) · Insider Trading (Form 4) SEC Filing
Statement of Changes in Beneficial Ownership
descriptionView SEC Filing
ACC: 0001225208-26-003733open_in_new
Total Value$113.2K
Trades1
Insiders1
Transaction Details
D'Ambrosio Christopher
Corp. VP·Direct
Sell · Dispose
Common Stock
Shares-543
Price$208.45
Total Value$113.2K
Shares Owned After8.91K
Transaction DateMar 16, 2026
10b5-1
Footnotes ▸
The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025.
Post-Transaction Holdings
D'Ambrosio Christopher
| Security | Shares | Change |
|---|---|---|
| Common Stock | 8.91K | -543 (-5.74%) |
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-03-16
10b5-1 Pre-arranged Plan: Yes
--- Issuer ---
Name: AUTOMATIC DATA PROCESSING INC (ADP)
CIK: 0000008670
--- Reporting Owner ---
Name: D'Ambrosio Christopher
CIK: 0001866614
Role: Officer (Corp. VP)
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Common Stock
Date: 2026-03-16 | Code: S (Open market sale)
Shares: -543 | Price: $208.45
Total Value: $113,188.35
Shares Owned After: 8,912.23 | Ownership: D (Direct)
Footnotes:
[F1] The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025.
--- Footnotes (Complete Index) ---
F1: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in September 2025.
--- Signature ---
/s/ David Kwon (POA on File) (2026-03-17)