Automatic Data Processing Inc (ADP) Insider Ownership

Historic Insider Ownership Trends

Automatic Data Processing's top three insider shareholders as of April 11, 2026 are Michael A Bonarti (Corporate Vice President, 80.41K shares), Maria Black (President Ceo, 75.05K shares), Sreenivasa Kutam (Corp Vp, 40.69K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Michael A Bonarti Corporate Vice President 80,414 0 15 Dec, 2025
Maria Black President Ceo 75,052 0 06 Jan, 2026
Sreenivasa Kutam Corp Vp 40,686 0 13 Jan, 2026
Donald Weinstein Corporate Vp 32,950 0 13 Jan, 2023
Michael C Eberhard Corporate Vice President 32,399 0 06 Sep, 2022
Deborah L Dyson Corp. Vp 26,663 0 06 Apr, 2022
Peter Bisson - 22,769 0 14 Nov, 2025
Carlos A Rodriguez Executive Chair 22,728 0 14 Nov, 2025
Stuart Sackman Corp. Vp 22,645 0 05 Jan, 2022
Sandra S Wijnberg - 20,505 0 14 Nov, 2025
John Ayala Corp. Vp 17,971 0 06 Jan, 2025
Don Mcguire Corp Vp 17,684 0 05 Sep, 2025
Joseph Desilva Executive Vp 17,458 0 05 Jan, 2026
Brian L. Michaud Executive Vp 15,310 0 09 Feb, 2026
Carlos A Rodriguez President Ceo 0 13,813 10 Dec, 2021
Virginia Magliulo Executive Vp 13,593 0 03 Sep, 2025
Francine S Katsoudas - 11,634 0 14 Nov, 2025
David Kwon Corp Vp 11,187 0 14 Jan, 2026
David Foskett Corp. Vp 10,954 0 09 Feb, 2026
Peter J Hadley Cfo 10,921 0 03 Sep, 2025
Christopher D'Ambrosio Corp. Vp 8,912 0 17 Mar, 2026
James T Sperduto Corp Vp 8,375 0 03 Nov, 2022
Kareem Rogers Corp. Vp 7,205 0 06 Sep, 2022
Paul Boland Corp. Vp 7,162 0 03 Sep, 2025
Laura G Brown Corp. Vp 6,016 0 04 Oct, 2022
Augusto J Blanchard Corp Vp 4,940 0 06 Sep, 2022
Jonathan S Lehberger Corp. Vp 4,488 0 03 Sep, 2025
Brock Albinson Corp. Vp 4,025 0 05 Mar, 2024
Alexander Quevedo Corp Vp 3,860 0 06 Sep, 2022
James T Sperduto Corp Vp 0 1,693 06 Sep, 2022
Karen S Lynch - 1,535 0 14 Nov, 2025
Robert Holmes Swan - 1,453 0 14 Nov, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
16 Mar, 2026 Christopher D'Ambrosio Common Stock D 543 $208.45 8,912 D S
17 Feb, 2026 Christopher D'Ambrosio Common Stock D 543 $212.43 9,455 D S
05 Feb, 2026 David Foskett Common Stock D 266 $237.00 10,954 D S
06 Feb, 2026 Brian L. Michaud Common Stock D 1,000 $234.18 15,310 D S
30 Jan, 2026 David Foskett Common Stock D 586 $246.82 11,220 D F
02 Feb, 2026 Brian L. Michaud Common Stock D 132 $246.82 16,310 D F
13 Jan, 2026 Christopher D'Ambrosio Common Stock D 543 $262.29 9,998 D S
12 Jan, 2026 David Kwon Common Stock D 806 $264.80 11,187 D S
12 Jan, 2026 Sreenivasa Kutam Common Stock D 85 $266.02 40,686 D F
06 Jan, 2026 David Kwon Common Stock A 1,137 $138.53 12,893 D M
06 Jan, 2026 David Kwon Common Stock D 900 $260.00 11,993 D S
06 Jan, 2026 David Kwon Stock Option (Right to Buy) D 1,137 $138.53 2,274 D M
05 Jan, 2026 Maria Black Common Stock D 51 $253.32 75,716 D S
05 Jan, 2026 Maria Black Common Stock D 56 $255.73 75,660 D S
05 Jan, 2026 Maria Black Common Stock D 71 $254.95 75,589 D S
05 Jan, 2026 Maria Black Common Stock D 98 $258.77 75,491 D S
05 Jan, 2026 Maria Black Common Stock D 145 $257.24 75,346 D S
05 Jan, 2026 Maria Black Common Stock D 294 $258.09 75,052 D S
01 Jan, 2026 David Foskett Common Stock A 25 $244.37 11,805 D I
01 Jan, 2026 Brian L. Michaud Common Stock A 41 $244.37 16,442 D I