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ADP · AUTOMATIC DATA PROCESSING INC

Everything on this page is public record — SEC Form 4 filings and congressional disclosures — alongside any INSIDER SCANNER research case for this company.

Open-market buys0
Open-market sells19
Research cases0
Last filing2026-09-03

Insider flow: Selling only — a count of disclosed transactions, not a rating or a recommendation.

Insider transaction timeline

Every reported transaction, positioned by trade date. Purchases sit above the axis, sales below; circle area is proportional to dollar value. No share-price line is drawn — this feed carries transaction prices only, and a price history inferred from them would imply market data the filings do not contain.

Open-market purchase Open-market sale
2026-08-20 — Kwon David · sold 798 @ $280.00 2026-08-21 — Michaud Brian L. · sold 120 @ $279.70 2026-09-02 — Black Maria · sold 1,018 @ $280.60 2026-09-02 — Black Maria · sold 10,591 @ $280.82 2026-09-02 — Black Maria · sold 1,193 @ $280.96 2026-09-02 — Black Maria · sold 1,483 @ $281.13 2026-09-02 — Black Maria · sold 214 @ $279.21 2026-09-02 — Black Maria · sold 256 @ $279.44 2026-09-02 — Black Maria · sold 2,898 @ $279.74 2026-09-02 — Black Maria · sold 559 @ $279.93 2026-09-02 — Black Maria · sold 610 @ $281.86 2026-09-02 — Black Maria · sold 700 @ $278.59 2026-09-02 — Black Maria · sold 760 @ $281.70 2026-09-02 — Black Maria · sold 7,724 @ $281.66 2026-09-02 — Black Maria · sold 786 @ $280.27 2026-09-02 — D'Ambrosio Christopher · sold 1,872 @ $283.00 2026-09-02 — DeSilva Joseph · sold 6,512 @ $283.00 2026-09-02 — Foskett David · sold 1,529 @ $283.00 2026-09-03 — DeSilva Joseph · sold 631 @ $282.87
2026-08-202026-09-03

Insider participation

One row per insider, one cell per reported transaction, shaded by value. Repeat buying and activity clustered in time are visible at a glance.

Black Maria President & CEO
DeSilva Joseph Executive VP
Kwon David Corp VP
Michaud Brian L. Executive VP
D'Ambrosio Christopher Corp. VP
Foskett David Corp. VP
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The analysis built on top of these filings

The filings above are public record and stay public here. What an account adds for $ADP is the reading of them — and for this company, that is what the list below says it is, no more.

  • Transaction timelineThe [{'transaction_date': '2026-09-03', 'insider_name': 'DeSilva Joseph', 'insider_title': 'Executive VP', 'transaction_type': 'Open-market sell', 'shares': 631.0, 'price': 282.87, 'value': 178490.97, 'is_buy': False}, {'transaction_date': '2026-09-02', 'insider_name': 'Black Maria', 'insider_title': 'President & CEO', 'transaction_type': 'Open-market sell', 'shares': 1018.0, 'price': 280.6, 'value': 285650.8, 'is_buy': False}, {'transaction_date': '2026-09-02', 'insider_name': 'Black Maria', 'insider_title': 'President & CEO', 'transaction_type': 'Open-market sell', 'shares': 10591.0, 'price': 280.82, 'value': 2974164.62, 'is_buy': False}, {'transaction_date': '2026-09-02', 'insider_name': 'Black Maria', 'insider_title': 'President & CEO', 'transaction_type': 'Open-market sell', 'shares': 1193.0, 'price': 280.96, 'value': 335185.28, 'is_buy': False}, {'transaction_date': '2026-09-02', 'insider_name': 'Black Maria', 'insider_title': 'President & CEO', 'transaction_type': 'Open-market sell', 'shares': 1483.0, 'price': 281.13, 'value': 416915.79, 'is_buy': False}, {'transaction_date': '2026-09-02', 'insider_name': 'Black Maria', 'insider_title': 'President & CEO', 'transaction_type': 'Open-market sell', 'shares': 214.0, 'price': 279.21, 'value': 59750.94, 'is_buy': False}, {'transaction_date': '2026-09-02', 'insider_name': 'Black Maria', 'insider_title': 'President & CEO', 'transaction_type': 'Open-market sell', 'shares': 256.0, 'price': 279.44, 'value': 71536.64, 'is_buy': False}, {'transaction_date': '2026-09-02', 'insider_name': 'Black Maria', 'insider_title': 'President & CEO', 'transaction_type': 'Open-market sell', 'shares': 2898.0, 'price': 279.74, 'value': 810686.52, 'is_buy': False}, {'transaction_date': '2026-09-02', 'insider_name': 'Black Maria', 'insider_title': 'President & CEO', 'transaction_type': 'Open-market sell', 'shares': 559.0, 'price': 279.93, 'value': 156480.87, 'is_buy': False}, {'transaction_date': '2026-09-02', 'insider_name': 'Black Maria', 'insider_title': 'President & CEO', 'transaction_type': 'Open-market sell', 'shares': 610.0, 'price': 281.86, 'value': 171934.6, 'is_buy': False}, {'transaction_date': '2026-09-02', 'insider_name': 'Black Maria', 'insider_title': 'President & CEO', 'transaction_type': 'Open-market sell', 'shares': 700.0, 'price': 278.59, 'value': 195013.0, 'is_buy': False}, {'transaction_date': '2026-09-02', 'insider_name': 'Black Maria', 'insider_title': 'President & CEO', 'transaction_type': 'Open-market sell', 'shares': 760.0, 'price': 281.7, 'value': 214092.0, 'is_buy': False}, {'transaction_date': '2026-09-02', 'insider_name': 'Black Maria', 'insider_title': 'President & CEO', 'transaction_type': 'Open-market sell', 'shares': 7724.0, 'price': 281.66, 'value': 2175541.84, 'is_buy': False}, {'transaction_date': '2026-09-02', 'insider_name': 'Black Maria', 'insider_title': 'President & CEO', 'transaction_type': 'Open-market sell', 'shares': 786.0, 'price': 280.27, 'value': 220292.22, 'is_buy': False}, {'transaction_date': '2026-09-02', 'insider_name': "D'Ambrosio Christopher", 'insider_title': 'Corp. VP', 'transaction_type': 'Open-market sell', 'shares': 1872.0, 'price': 283.0, 'value': 529776.0, 'is_buy': False}, {'transaction_date': '2026-09-02', 'insider_name': 'DeSilva Joseph', 'insider_title': 'Executive VP', 'transaction_type': 'Open-market sell', 'shares': 6512.0, 'price': 283.0, 'value': 1842896.0, 'is_buy': False}, {'transaction_date': '2026-09-02', 'insider_name': 'Foskett David', 'insider_title': 'Corp. VP', 'transaction_type': 'Open-market sell', 'shares': 1529.0, 'price': 283.0, 'value': 432707.0, 'is_buy': False}, {'transaction_date': '2026-08-21', 'insider_name': 'Michaud Brian L.', 'insider_title': 'Executive VP', 'transaction_type': 'Open-market sell', 'shares': 120.0, 'price': 279.7, 'value': 33564.0, 'is_buy': False}, {'transaction_date': '2026-08-20', 'insider_name': 'Kwon David', 'insider_title': 'Corp VP', 'transaction_type': 'Open-market sell', 'shares': 798.0, 'price': 280.0, 'value': 223440.0, 'is_buy': False}] reported transactions plotted over the window rather than listed, so concentration is visible.

Not available for ADP today: no reported open-market purchases in this window, so there is no insider cost basis to compute; no research case — nothing here has cleared the scoring threshold. Both appear on this page on their own if that changes.

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Not financial advice. This page reports public filings and past research output. It is not a recommendation to buy or sell, and no price target here is a prediction. Trade at your own risk.