Key facts
- ADP - AUTOMATIC DATA PROCESSING INC has 40 insiders with reported activity on this page.
- Net insider value flow over the last year: -$44,934,461.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 40 Insiders of AUTOMATIC DATA PROCESSING INC
- Symbol
- ADP on Nasdaq
- Location
- Roseland, NJ
Change
- Buy value: $745,695; sell value: $45,680,155.
- Net share flow: -151,386.
Research use
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$44,934,461.
Buys
$745,695
Shares: 3,619
Insiders: 1
Sells
$45,680,156
Shares: 155,005
Insiders: 9
Net
-$44,934,461
Shares: -151,386
Insiders: -8
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 3,619 | 1,934 | $745,695 | $399,361 | +$346,334 |
| 3-6 | 0 | 4,773 | $0 | $1,186,304 | -$1,186,304 |
| 6-9 | 0 | 146,711 | $0 | $43,606,942 | -$43,606,942 |
| 9-12 | 0 | 1,587 | $0 | $487,549 | -$487,549 |
AUTOMATIC DATA PROCESSING INC executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Michael A. Bonarti | Corporate Vice President | $22,807,411 | -$2,604,697 | -10% | Mixed | 12 Dec 2025 |
| Maria Black | President & CEO | $19,370,065 | -$9,541,401 | -33% | Filing P/S | 05 Jan 2026 |
| John P. Jones III | Director | $18,228,193 | Mixed | 06 Nov 2024 | ||
| Sreenivasa Kutam | Corp VP | $10,823,243 | Mixed | 12 Jan 2026 | ||
| Carlos A. Rodriguez | Director | $10,724,913 | -$24,745,417 | -70% | Mixed | 12 Nov 2025 |
| Donald Weinstein | Corporate VP | $8,492,228 | Mixed | 11 Jan 2023 | ||
| Michael C. Eberhard | Corporate Vice President | $7,617,906 | Mixed | 01 Sep 2022 | ||
| Clark Richard T. | Director | $7,589,493 | Mixed | 10 Nov 2021 | ||
| John Ayala | Corp. VP | $6,821,761 | Mixed | 03 Jan 2025 | ||
| Peter Bisson | Director | $6,682,701 | Mixed | 12 Nov 2025 | ||
| Dermot J. O'Brien | Corp. VP | $6,315,251 | Mixed | 09 Jun 2021 | ||
| Deborah L. Dyson | Corp. VP | $6,269,316 | Mixed | 05 Apr 2022 | ||
| Sandra S. Wijnberg | Director | $6,018,217 | Mixed | 12 Nov 2025 | ||
| Don McGuire | Corp VP | $6,014,708 | -$4,033,055 | -40% | Mixed | 03 Sep 2025 |
| Stuart Sackman | Corp. VP | $5,637,623 | Mixed | 03 Jan 2022 | ||
| William J. Ready | Director | $5,549,880 | Mixed | 06 Nov 2024 | ||
| Thomas J. Lynch | Director | $4,985,684 | Mixed | 12 Nov 2025 | ||
| Scott F. Powers | Director | $4,702,457 | Mixed | 12 Nov 2025 | ||
| Kathleen A. Winters | Corp. VP | $4,531,787 | Mixed | 01 Sep 2021 | ||
| Joseph DeSilva | Executive VP | $4,508,079 | -$2,391,796 | -35% | Mixed | 02 Jan 2026 |
| Virginia Magliulo | Executive VP | $4,309,272 | Mixed | 01 Sep 2025 | ||
| Francine S. Katsoudas | Director | $3,414,579 | Mixed | 12 Nov 2025 | ||
| Peter J. Hadley | Cfo | $3,320,547 | Mixed | 01 Sep 2025 | ||
| David Kwon | Corp VP | $3,277,216 | -$447,429 | -12% | Mixed | 12 Jan 2026 |
| Brian L. Michaud | Executive VP | $3,067,898 | -$477,551 | -13% | Filing P/S | 08 May 2026 |
| Nazzic S. Keene | Director | $2,851,939 | Mixed | 12 Nov 2025 | ||
| David Foskett | Corp. VP | $2,595,984 | -$784,311 | -23% | Filing P/S | 05 Feb 2026 |
| Sperduto James T. | Corp VP | $2,367,354 | Mixed | 02 Nov 2022 | ||
| Paul Boland | Corp. VP | $2,177,465 | Mixed | 01 Sep 2025 | ||
| Linnie M. Haynesworth | Director | $2,022,508 | Mixed | 12 Nov 2025 | ||
| David Goeckeler | Director | $1,955,297 | Mixed | 12 Nov 2025 | ||
| Kareem Rogers | Corp. VP | $1,694,025 | Mixed | 01 Sep 2022 | ||
| Christopher D'Ambrosio | Corp. VP | $1,638,193 | -$654,497 | -29% | Filing P/S | 14 Apr 2026 |
| Brock Albinson | Corp. VP | $1,487,157 | Mixed | 01 Mar 2024 | ||
| Laura G. Brown | Corp. VP | $1,414,589 | Mixed | 03 Oct 2022 | ||
| Jonathan S. Lehberger | Corp. VP | $1,364,609 | Mixed | 01 Sep 2025 | ||
| Augusto J. Blanchard | Corp VP | $1,161,465 | Mixed | 01 Sep 2022 | ||
| Alexander Quevedo | Corp VP | $1,088,713 | Mixed | 01 Sep 2022 | ||
| Robert Holmes Swan | Director | $1,068,450 | +$745,695 | +231% | Mixed | 07 May 2026 |
| Karen S. Lynch | Director | $450,522 | Mixed | 12 Nov 2025 |
Top shareholders of AUTOMATIC DATA PROCESSING INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
|
Vanguard Capital Management · Company |
7.5%
|
30,265,513
|
$6,149,346,931 | $0 | 31 Mar 2026 | |
| Maria Black |
3/4/5
|
President & CEO |
0.02%
|
75,052
|
$19,370,065 | -$9,541,401 | 05 Jan 2026 | |
| Sreenivasa Kutam |
3/4/5
|
Corp VP |
0.01%
|
40,686
|
$10,823,243 | — | 12 Jan 2026 | |
| Carlos A. Rodriguez |
3/4/5
|
Director |
0.01%
|
36,541
|
$10,724,913 | -$24,745,417 | 12 Nov 2025 | |
| Peter Bisson |
3/4/5
|
Director |
0.01%
|
22,769
|
$6,682,701 | — | 12 Nov 2025 | |
| Sandra S. Wijnberg |
3/4/5
|
Director |
0.01%
|
20,505
|
$6,018,217 | — | 12 Nov 2025 | |
| Joseph DeSilva |
3/4/5
|
Executive VP |
0%
|
17,458
|
$4,508,079 | -$2,391,796 | 02 Jan 2026 | |
| Thomas J. Lynch |
3/4/5
|
Director |
0%
|
16,987
|
$4,985,684 | — | 12 Nov 2025 | |
| Scott F. Powers |
3/4/5
|
Director |
0%
|
16,022
|
$4,702,457 | — | 12 Nov 2025 | |
| Brian L. Michaud |
3/4/5
|
Executive VP |
0%
|
14,462
|
$3,067,898 | -$477,551 | 08 May 2026 | |
| Francine S. Katsoudas |
3/4/5
|
Director |
0%
|
11,634
|
$3,414,579 | — | 12 Nov 2025 | |
| David Foskett |
3/4/5
|
Corp. VP |
0%
|
10,954
|
$2,595,984 | -$784,311 | 05 Feb 2026 | |
| Peter J. Hadley |
3/4/5
|
CFO |
0%
|
10,921
|
$3,320,547 | — | 01 Sep 2025 | |
| Nazzic S. Keene |
3/4/5
|
Director |
0%
|
9,717
|
$2,851,939 | — | 12 Nov 2025 | |
| Christopher D'Ambrosio |
3/4/5
|
Corp. VP |
0%
|
8,369
|
$1,638,193 | -$654,497 | 14 Apr 2026 | |
| Paul Boland |
3/4/5
|
Corp. VP |
0%
|
7,162
|
$2,177,465 | — | 01 Sep 2025 | |
| Linnie M. Haynesworth |
3/4/5
|
Director |
0%
|
6,891
|
$2,022,508 | — | 12 Nov 2025 | |
| David Goeckeler |
3/4/5
|
Director |
0%
|
6,662
|
$1,955,297 | — | 12 Nov 2025 | |
| Robert Holmes Swan |
3/4/5
|
Director |
0%
|
5,187
|
$1,068,450 | +$745,695 | 07 May 2026 | |
| Jonathan S. Lehberger |
3/4/5
|
Corp. VP |
0%
|
4,488
|
$1,364,609 | — | 01 Sep 2025 | |
| Karen S. Lynch |
3/4/5
|
Director |
0%
|
1,535
|
$450,522 | — | 12 Nov 2025 | |
| BlackRock, Inc. |
13F
|
Company |
8.8%
|
35,499,016
|
$7,212,690,178 | — | 31 Mar 2026 | |
| STATE STREET CORP |
13F
|
Company |
4.8%
|
19,326,803
|
$3,959,068,904 | — | 31 Mar 2026 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
3%
|
11,993,206
|
$2,437,928,643 | — | 31 Mar 2026 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
2.9%
|
11,561,745
|
$2,349,277,893 | — | 31 Mar 2026 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
|
Company |
2.7%
|
11,052,077
|
$2,245,561,005 | — | 31 Mar 2026 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
2.5%
|
10,104,386
|
$2,053,009,147 | — | 31 Mar 2026 | |
| Capital Research Global Investors |
13F
|
Company |
2.1%
|
8,556,120
|
$1,738,436,101 | — | 31 Mar 2026 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
1.7%
|
6,907,706
|
$1,403,507,576 | — | 31 Mar 2026 | |
| MORGAN STANLEY |
13F
|
Company |
1.6%
|
6,394,435
|
$1,299,221,619 | — | 31 Mar 2026 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1.5%
|
6,000,697
|
$1,219,221,615 | — | 31 Mar 2026 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
1.3%
|
5,258,842
|
$1,068,491,508 | — | 31 Mar 2026 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
1.3%
|
5,101,809
|
$1,312,338,329 | — | 31 Mar 2026 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.1%
|
4,363,106
|
$886,495,858 | — | 31 Mar 2026 | |
| Invesco Ltd. |
13F
|
Company |
1%
|
4,209,765
|
$855,340,130 | — | 31 Mar 2026 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
1%
|
4,122,071
|
$837,522,385 | — | 31 Mar 2026 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
1%
|
4,074,317
|
$827,819,729 | — | 31 Mar 2026 | |
| Fundsmith LLP |
13F
|
Company |
0.96%
|
3,855,105
|
$783,280,234 | — | 31 Mar 2026 | |
| STATE FARM MUTUAL AUTOMOBILE INSURANCE CO |
13F
|
Company |
0.91%
|
3,657,287
|
$743,087,572 | — | 31 Mar 2026 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.81%
|
3,244,353
|
$659,187,580 | — | 31 Mar 2026 | |
| Amundi |
13F
|
Individual |
0.75%
|
3,034,002
|
$616,448,524 | — | 31 Mar 2026 | |
| UBS Group AG |
13F
|
Company |
0.74%
|
2,971,847
|
$603,819,873 | — | 31 Mar 2026 | |
| First Eagle Investment Management, LLC |
13F
|
Company |
0.71%
|
2,849,784
|
$579,019,117 | — | 31 Mar 2026 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.7%
|
2,838,714
|
$576,929,528 | — | 31 Mar 2026 | |
| Legal & General Group Plc |
13F
|
Company |
0.67%
|
2,700,713
|
$548,730,863 | — | 31 Mar 2026 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.62%
|
2,497,861
|
$507,515,336 | — | 31 Mar 2026 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.62%
|
2,481,417
|
$504,174,000 | — | 31 Mar 2026 | |
| BARCLAYS PLC |
13F
|
Company |
0.6%
|
2,423,330
|
$492,372,187 | — | 31 Mar 2026 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.6%
|
2,413,934
|
$490,529,508 | — | 31 Mar 2026 | |
| Clearbridge Investments, LLC |
13F
|
Company |
0.6%
|
2,398,931
|
$487,414,805 | — | 31 Mar 2026 |
Recent Insider Transactions by Companies or Individuals for AUTOMATIC DATA PROCESSING INC
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Brian L. Michaud | ADP | Common Stock | Sale | -5.54% | $179,886 | $212.13 | -848 | 14,462 | 08 May 2026 | Direct |
| Robert Holmes Swan | ADP | Common Stock | Purchase | 249.1% | $745,695 | $206.05 | 3,619 | 5,072 | 07 May 2026 | Direct |
| Christopher D'Ambrosio | ADP | Common Stock | Sale | -6.09% | $106,287 | $195.74 | -543 | 8,369 | 14 Apr 2026 | Direct |
| Christopher D'Ambrosio | ADP | Common Stock | Sale | -5.74% | $113,188 | $208.45 | -543 | 8,912 | 16 Mar 2026 | Direct |
| Christopher D'Ambrosio | ADP | Common Stock | Sale | -5.43% | $115,349 | $212.43 | -543 | 9,455 | 17 Feb 2026 | Direct |
| Brian L. Michaud | ADP | Common Stock | Sale | -6.13% | $234,180 | $234.18 | -1,000 | 15,310 | 06 Feb 2026 | Direct |
| David Foskett | ADP | Common Stock | Sale | -2.37% | $63,042 | $237.00 | -266 | 10,954 | 05 Feb 2026 | Direct |
| Brian L. Michaud | ADP | Common Stock | Tax liability | -0.8% | -132 | 16,310 | 02 Feb 2026 | Direct | ||
| David Foskett | ADP | Common Stock | Tax liability | -4.96% | -586 | 11,220 | 30 Jan 2026 | Direct | ||
| Christopher D'Ambrosio | ADP | Common Stock | Sale | -5.15% | $142,423 | $262.29 | -543 | 9,998 | 13 Jan 2026 | Direct |
| David Kwon | ADP | Common Stock | Sale | -6.72% | $213,429 | $264.80 | -806 | 11,187 | 12 Jan 2026 | Direct |
| Sreenivasa Kutam | ADP | Common Stock | Tax liability | -0.21% | -84.59 | 40,686 | 12 Jan 2026 | Direct | ||
| David Kwon | ADP | Common Stock | Sale | -6.98% | $234,000 | $260.00 | -900 | 11,993 | 06 Jan 2026 | Direct |
| David Kwon | ADP | Common Stock | Options Exercise | 9.67% | 1,137 | 12,893 | 06 Jan 2026 | Direct | ||
| David Kwon | ADP | Stock Option (Right to Buy) | Options Exercise | -33.3% | -1,137 | 2,274 | 06 Jan 2026 | Direct | ||
| Maria Black | ADP | Common Stock | Sale | -0.94% | $183,880 | $257.17 | -715 | 75,052 | 05 Jan 2026 | Direct |
| Joseph DeSilva | ADP | Common Stock | Gift | -0.44% | -78 | 17,458 | 02 Jan 2026 | Direct | ||
| Maria Black | ADP | Common Stock | Tax liability | -0.57% | -435 | 75,767 | 02 Jan 2026 | Direct | ||
| David Foskett | ADP | Common Stock | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | 0.21% | 24.55 | 11,805 | 01 Jan 2026 | Direct | ||
| Brian L. Michaud | ADP | Common Stock | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | 0.25% | 40.98 | 16,442 | 01 Jan 2026 | Direct | ||
| Maria Black | ADP | Common Stock | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | 0.05% | 40.98 | 76,202 | 01 Jan 2026 | Direct | ||
| Sreenivasa Kutam | ADP | Common Stock | Tax liability | -0.4% | -163 | 40,770 | 12 Dec 2025 | Direct | ||
| David Kwon | ADP | Common Stock | Tax liability | -0.43% | -50.58 | 11,756 | 12 Dec 2025 | Direct | ||
| Brian L. Michaud | ADP | Common Stock | Tax liability | -0.22% | -36.83 | 16,401 | 12 Dec 2025 | Direct | ||
| Michael A. Bonarti | ADP | Common Stock | Tax liability | -0.15% | -117 | 80,414 | 12 Dec 2025 | Direct | ||
| Linnie M. Haynesworth | ADP | Common Stock | Award | 15.8% | 942 | 6,891 | 12 Nov 2025 | Direct | ||
| Francine S. Katsoudas | ADP | Common Stock | Award | 14.3% | 1,453 | 11,634 | 12 Nov 2025 | Direct | ||
| David Goeckeler | ADP | Common Stock | Award | 27.9% | 1,453 | 6,662 | 12 Nov 2025 | Direct | ||
| Peter Bisson | ADP | Common Stock | Award | 7.16% | 1,521 | 22,769 | 12 Nov 2025 | Direct | ||
| Nazzic S. Keene | ADP | Common Stock | Award | 10.7% | 942 | 9,717 | 12 Nov 2025 | Direct | ||
| Carlos A. Rodriguez | ADP | Common Stock | Award | 6.83% | 1,453 | 22,728 | 12 Nov 2025 | Direct | ||
| Karen S. Lynch | ADP | Common Stock | Award | 1772% | 1,453 | 1,535 | 12 Nov 2025 | Direct | ||
| Scott F. Powers | ADP | Common Stock | Award | 11.7% | 1,531 | 14,572 | 12 Nov 2025 | Direct | ||
| Robert Holmes Swan | ADP | Common Stock | Award | 1,453 | 1,453 | 12 Nov 2025 | Direct | |||
| Thomas J. Lynch | ADP | Common Stock | Award | 15.2% | 2,239 | 16,987 | 12 Nov 2025 | Direct | ||
| Sandra S. Wijnberg | ADP | Common Stock | Award | 8.18% | 1,551 | 20,505 | 12 Nov 2025 | Direct | ||
| Carlos A. Rodriguez | ADP | Common Stock | Sale | -5.65% | $374,100 | $293.87 | -1,273 | 21,275 | 12 Sep 2025 | Direct |
| Carlos A. Rodriguez | ADP | Common Stock | Sale | -11.1% | $832,325 | $295.89 | -2,813 | 22,548 | 11 Sep 2025 | Direct |
| Christopher D'Ambrosio | ADP | Common Stock | Sale | -5.36% | $177,249 | $296.90 | -597 | 10,541 | 10 Sep 2025 | Direct |
| Carlos A. Rodriguez | ADP | Common Stock | Sale | -46.4% | $6,430,440 | $292.96 | -21,950 | 25,361 | 10 Sep 2025 | Direct |
| Carlos A. Rodriguez | ADP | Common Stock | Options Exercise | 86.6% | 21,950 | 47,311 | 10 Sep 2025 | Direct | ||
| Carlos A. Rodriguez | ADP | Stock Option (Right to Buy) | Options Exercise | -100% | -21,950 | 0 | 10 Sep 2025 | Direct | ||
| Michael A. Bonarti | ADP | Common Stock | Sale | -9.78% | $2,604,697 | $298.43 | -8,728 | 80,531 | 09 Sep 2025 | Direct |
| Carlos A. Rodriguez | ADP | Common Stock | Sale | -46.4% | $6,522,114 | $297.14 | -21,950 | 25,361 | 09 Sep 2025 | Direct |
| Carlos A. Rodriguez | ADP | Common Stock | Options Exercise | 86.6% | 21,950 | 47,311 | 09 Sep 2025 | Direct | ||
| Carlos A. Rodriguez | ADP | Stock Option (Right to Buy) | Options Exercise | -50% | -21,950 | 21,950 | 09 Sep 2025 | Direct | ||
| Carlos A. Rodriguez | ADP | Common Stock | Sale | -32.2% | $3,582,032 | $297.12 | -12,056 | 25,361 | 05 Sep 2025 | Direct |
| Carlos A. Rodriguez | ADP | Common Stock | Sale | -23.8% | $3,513,661 | $300.29 | -11,701 | 37,417 | 04 Sep 2025 | Direct |
| Maria Black | ADP | Common Stock | Sale | -23.7% | $7,041,744 | $298.32 | -23,605 | 76,161 | 03 Sep 2025 | Direct |
| Joseph DeSilva | ADP | Common Stock | Sale | -20.8% | $1,368,374 | $296.57 | -4,614 | 17,536 | 03 Sep 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.