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).
| 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.
| 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 |