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Automatic Data Processing Inc. (ADP)

Automatic Data Processing Inc. (ADP) Insider Trading

Directors, officers and holders of more than 10% of ADP report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 436 transactions on file: 0 with code P, 21 with code S and 29 with other codes.

DateInsiderCodeShares
Oct 30, 2026Magliulo VirginiaS Sale2,927
Sep 9, 2026Sugla VishwasA Award2,073
Sep 9, 2026Sugla VishwasA Award2,827
Sep 3, 2026DeSilva JosephS Sale631
Sep 2, 2026Black MariaS Sale10,591
Sep 2, 2026Black MariaS Sale2,898
Sep 2, 2026Black MariaS Sale1,018
Sep 2, 2026Black MariaS Sale1,018
Sep 2, 2026Black MariaS Sale1,193
Sep 2, 2026Black MariaS Sale760
Sep 2, 2026Black MariaS Sale214
Sep 2, 2026Black MariaS Sale1,483
Sep 2, 2026Black MariaS Sale559
Sep 2, 2026Black MariaS Sale786
Sep 2, 2026D'Ambrosio ChristopherS Sale1,872
Sep 2, 2026Black MariaS Sale256
Sep 2, 2026Black MariaS Sale610
Sep 2, 2026Black MariaS Sale7,724
Sep 2, 2026Black MariaS Sale700
Sep 2, 2026DeSilva JosephS Sale6,512
Sep 2, 2026Foskett DavidS Sale1,529
Sep 1, 2026Michaud Brian L.A Award2,683
Sep 1, 2026Magliulo VirginiaF Tax Payment2,709
Sep 1, 2026Lehberger Jonathan SF Tax Payment406
Sep 1, 2026Orihuela Samantha DF Tax Payment154
Sep 1, 2026Michaud Brian L.F Tax Payment2,281
Sep 1, 2026Kwon DavidA Award1,763
Sep 1, 2026Black MariaF Tax Payment31,215
Sep 1, 2026Orihuela Samantha DA Award1,163
Sep 1, 2026Black MariaA Award21,689
Sep 1, 2026Kwon DavidF Tax Payment1,969
Sep 1, 2026Boland PaulF Tax Payment3,134
Sep 1, 2026Hadley Peter JA Award6,464
Sep 1, 2026Bonarti Michael AA Award5,076
Sep 1, 2026KUTAM SREENIVASAA Award5,259
Sep 1, 2026Hadley Peter JF Tax Payment1,651
Sep 1, 2026Bonarti Michael AF Tax Payment7,727
Sep 1, 2026DeSilva JosephF Tax Payment7,482
Sep 1, 2026D'Ambrosio ChristopherA Award2,565
Sep 1, 2026DeSilva JosephA Award5,089
Sep 1, 2026D'Ambrosio ChristopherF Tax Payment1,736
Sep 1, 2026Foskett DavidA Award4,006
Sep 1, 2026KUTAM SREENIVASAF Tax Payment7,329
Sep 1, 2026Magliulo VirginiaA Award2,858
Sep 1, 2026Lehberger Jonathan SA Award903
Sep 1, 2026Foskett DavidF Tax Payment1,980
Sep 1, 2026Boland PaulA Award3,634
Sep 1, 2026Rodriguez Carlos AF Tax Payment13,472
Aug 21, 2026Michaud Brian L.S Sale120
Aug 20, 2026Kwon DavidS Sale798

The full Form 4 history is on the ADP company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.