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AUTOMATIC DATA PROCESSING INC Insider Trading Activity
Every SEC Form 4 insider transaction reported for AUTOMATIC DATA PROCESSING INC (ADP), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are ADP insiders buying or selling?
AUTOMATIC DATA PROCESSING INC insiders reported 1 open-market buys ($745.7K) and 290 sells ($710.4M) across 291 Form 4 filings — a net selling position of $709.7M.
Source: SEC EDGAR Form 4
Key Statistics (as of Aug 24, 2026)
Total Form 4 filings
291
SEC EDGAR
Insider filers
29
Insider buys (1)
$745.7K
Insider sells (290)
$710.4M
Insider sentiment
Net sellingNet insider flow of $709.7M in net selling.
Recent ADP insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 24, 2026 | Brian L. Michaud | Executive VP | Sale | 120 | $279.70 | $33.6K |
| Aug 24, 2026 | David Kwon | Corp VP | Sale | 798 | $280.00 | $223.4K |
| Jul 31, 2026 | David Kwon | Corp VP | Sale | 2.4K | $265.62 | $641.2K |
| May 11, 2026 | Robert Holmes Swan | Director | Purchase | 3.6K | $206.05 | $745.7K |
| May 11, 2026 | Brian L. Michaud | Executive VP | Sale | 848 | $212.13 | $179.9K |
| Apr 15, 2026 | Christopher D'Ambrosio | Corp. VP | Sale | 543 | $195.74 | $106.3K |
| Mar 17, 2026 | Christopher D'Ambrosio | Corp. VP | Sale | 543 | $208.45 | $113.2K |
| Feb 18, 2026 | Christopher D'Ambrosio | Corp. VP | Sale | 543 | $212.43 | $115.3K |
| Feb 9, 2026 | Brian L. Michaud | Executive VP | Sale | 1.0K | $234.18 | $234.2K |
| Feb 9, 2026 | David Foskett | Corp. VP | Sale | 266 | $237.00 | $63.0K |
| Jan 14, 2026 | Christopher D'Ambrosio | Corp. VP | Sale | 543 | $262.29 | $142.4K |
| Jan 14, 2026 | David Kwon | Corp VP | Sale | 806 | $264.80 | $213.4K |
| Jan 8, 2026 | David Kwon | Corp VP | Sale | 900 | $260.00 | $234.0K |
| Jan 6, 2026 | Maria Black | President & CEO | Sale | 715 | $257.17 | $183.9K |
| Sep 15, 2025 | Carlos A Rodriguez | Director | Sale | 4.1K | $295.26 | $1.2M |
| Sep 11, 2025 | Christopher D'Ambrosio | Corp. VP | Sale | 597 | $296.90 | $177.2K |
| Sep 11, 2025 | Michael A Bonarti | Corporate Vice President | Sale | 8.7K | $298.43 | $2.6M |
| Sep 11, 2025 | Carlos A Rodriguez | Director | Sale | 43.9K | $295.05 | $13.0M |
| Sep 8, 2025 | Carlos A Rodriguez | Director | Sale | 12.1K | $297.12 | $3.6M |
| Sep 5, 2025 | Maria Black | President & CEO | Sale | 23.6K | $298.32 | $7.0M |
| Sep 5, 2025 | Joseph Desilva | Executive VP | Sale | 4.6K | $296.57 | $1.4M |
| Sep 5, 2025 | David Foskett | Corp. VP | Sale | 1.4K | $296.57 | $407.2K |
| Sep 5, 2025 | Don Mcguire | Corp VP | Sale | 13.6K | $296.57 | $4.0M |
| Sep 5, 2025 | Carlos A Rodriguez | Director | Sale | 23.4K | $299.31 | $7.0M |
| Sep 3, 2025 | Joseph Desilva | Executive VP | Sale | 2.0K | $301.64 | $599.4K |
Showing the 25 most recent of 291 Form 4 filings for AUTOMATIC DATA PROCESSING INC.
Most active ADP insiders
- Carlos A Rodriguez32 filings
- Maria Black21 filings
- Michael A Bonarti19 filings
- John Ayala18 filings
- Donald Weinstein17 filings
Ask anything about ADP insider activity
Use Trabud's AI agent to query AUTOMATIC DATA PROCESSING INC's Form 4 history in plain English — "Show me ADP CEO purchases this year" or compare it against any other ticker.
Open the AI agentADP insider trading FAQ
Are AUTOMATIC DATA PROCESSING INC insiders buying or selling?
Across 291 SEC Form 4 filings, AUTOMATIC DATA PROCESSING INC (ADP) insiders reported 1 open-market purchases totaling $745.7K and 290 sales totaling $710.4M. That is a net selling position of $709.7M.
How many insiders trade ADP stock?
29 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for AUTOMATIC DATA PROCESSING INC. The most recent filing was accepted on Aug 24, 2026.
Where does Trabud get ADP insider trading data?
All ADP insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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