ADPTechnologyLarge-Cap
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 259 sells ($665.9M) across 260 Form 4 filings — a net selling position of $665.2M.
Source: SEC EDGAR Form 4
Key Statistics (as of May 11, 2026)
Total Form 4 filings
260
SEC EDGAR
Insider filers
28
Insider buys (1)
$745.7K
Insider sells (259)
$665.9M
Insider sentiment
Net sellingNet insider flow of $665.2M in net selling. 1 insider buy in the last 90 days.
Recent ADP insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 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 |
| Sep 3, 2025 | David Foskett | Corp. VP | Sale | 1.0K | $301.13 | $314.1K |
| Sep 3, 2025 | Maria Black | President & CEO | Sale | 7.7K | $299.93 | $2.3M |
| Jul 2, 2025 | Brian L. Michaud | Corp VP | Sale | 206 | $308.18 | $63.5K |
Showing the 25 most recent of 260 Form 4 filings for AUTOMATIC DATA PROCESSING INC.
Most active ADP insiders
- Carlos A Rodriguez30 filings
- Joseph Desilva17 filings
- Maria Black17 filings
- Michael A Bonarti17 filings
- Christopher D'Ambrosio16 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 260 SEC Form 4 filings, AUTOMATIC DATA PROCESSING INC (ADP) insiders reported 1 open-market purchases totaling $745.7K and 259 sales totaling $665.9M. That is a net selling position of $665.2M.
How many insiders trade ADP stock?
28 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 May 11, 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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