Automatic Data Processing Inc (ADP)

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In the last 90 days, Automatic Data Processing Inc. saw a net sale of insider shares totaling approximately $798,723 against purchases of $745,695. Notable transactions include planned sales by officers Brian L. Michaud and Christopher D'Ambrosio, alongside a planned purchase by Robert Holmes Swan. The company's stock has seen a 7.6% increase over the past 90 days.

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Ticker: ADP Exchange: NSM

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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings

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Trades

Michaud Brian L.

Executive VP

2 sales — total 359,772 USD

Planned sale 8 May 2026

Value US$928,215.70 | Price 317.32 | Shares 69,166

Proposed sale 8 May 2026

Value US$836,998.56 | Price 354.49 | Shares 25,103

SWAN ROBERT HOLMES

1 purchase — total 745,695 USD

Planned buy 7 May 2026

Value US$4,659,536.81 | Price 154.00 | Shares 68,611

D'Ambrosio Christopher

Corp. VP

2 sales — total 212,574 USD

Planned sale 14 Apr 2026

Value US$106,286.82 | Price 195.74 | Shares 543

Proposed sale 14 Apr 2026

Value US$106,286.82 | Price 195.74 | Shares 543

D'Ambrosio Christopher

Corp. VP

2 sales — total 226,377 USD

Planned sale 16 Mar 2026

Value US$113,188.35 | Price 208.45 | Shares 543

Proposed sale 16 Mar 2026

Value US$113,188.35 | Price 208.45 | Shares 543

D'Ambrosio Christopher

Corp. VP

2 sales — total 230,699 USD

Planned sale 17 Feb 2026

Value US$115,349.49 | Price 212.43 | Shares 543

Proposed sale 17 Feb 2026

Value US$115,349.49 | Price 212.43 | Shares 543

Michaud Brian L.

Executive VP

2 sales — total 468,360 USD

Planned sale 6 Feb 2026

Value US$234,180.00 | Price 234.18 | Shares 1,000

Proposed sale 6 Feb 2026

Value US$234,180.00 | Price 234.18 | Shares 1,000

Foskett David

Corp. VP

2 sales — total 126,084 USD

Planned sale 5 Feb 2026

Value US$63,042.00 | Price 237.00 | Shares 266

Proposed sale 5 Feb 2026

Value US$63,042.00 | Price 237.00 | Shares 266

D'Ambrosio Christopher

Corp. VP

2 sales — total 284,847 USD

Planned sale 13 Jan 2026

Value US$142,423.47 | Price 262.29 | Shares 543

Proposed sale 13 Jan 2026

Value US$142,423.47 | Price 262.29 | Shares 543

Kwon David

Corp VP

2 sales — total 426,858 USD

Planned sale 12 Jan 2026

Value US$213,428.80 | Price 264.80 | Shares 806

Proposed sale 12 Jan 2026

Value US$213,428.80 | Price 264.80 | Shares 806

Kwon David

Corp VP

2 sales — total 468,000 USD

Planned sale 6 Jan 2026

Value US$234,000.00 | Price 260.00 | Shares 900

Proposed sale 6 Jan 2026

Value US$234,000.00 | Price 260.00 | Shares 900

Black Maria

President & CEO

7 sales — total 364,553 USD

Planned sale 5 Jan 2026

Value US$75,878.14 | Price 258.09 | Shares 294

Planned sale 5 Jan 2026

Value US$37,300.47 | Price 257.24 | Shares 145

Planned sale 5 Jan 2026

Value US$25,359.75 | Price 258.77 | Shares 98

Planned sale 5 Jan 2026

Value US$18,101.39 | Price 254.95 | Shares 71

Planned sale 5 Jan 2026

Value US$14,320.75 | Price 255.73 | Shares 56

Planned sale 5 Jan 2026

Value US$12,919.53 | Price 253.32 | Shares 51

Proposed sale 5 Jan 2026

Value US$180,673.35 | Price 252.69 | Shares 715

JONES JOHN P III

Director

1 sale — total 4,013,512 USD

Proposed sale 19 Nov 2025

Value US$4,013,512.00 | Price 248.90 | Shares 16,125

Rodriguez Carlos A

6 sales — total 749,584 USD

Planned sale 12 Sep 2025

Value US$251,164.20 | Price 293.76 | Shares 855

Planned sale 12 Sep 2025

Value US$67,346.67 | Price 292.81 | Shares 230

Planned sale 12 Sep 2025

Value US$38,201.39 | Price 296.13 | Shares 129

Planned sale 12 Sep 2025

Value US$15,309.40 | Price 294.41 | Shares 52

Planned sale 12 Sep 2025

Value US$2,078.58 | Price 296.94 | Shares 7

Proposed sale 12 Sep 2025

Value US$375,484.08 | Price 294.96 | Shares 1,273

Rodriguez Carlos A

8 sales — total 1,664,650 USD

Planned sale 11 Sep 2025

Value US$236,428.88 | Price 294.80 | Shares 802

Planned sale 11 Sep 2025

Value US$185,638.86 | Price 297.98 | Shares 623

Planned sale 11 Sep 2025

Value US$174,831.98 | Price 295.82 | Shares 591

Planned sale 11 Sep 2025

Value US$100,063.56 | Price 296.92 | Shares 337

Planned sale 11 Sep 2025

Value US$59,193.98 | Price 293.04 | Shares 202

Planned sale 11 Sep 2025

Value US$54,670.35 | Price 293.93 | Shares 186

Planned sale 11 Sep 2025

Value US$21,497.40 | Price 298.58 | Shares 72

Proposed sale 11 Sep 2025

Value US$832,325.21 | Price 295.89 | Shares 2,813

Rodriguez Carlos A

8 sales — total 12,860,881 USD

Planned sale 10 Sep 2025

Value US$2,431,660.70 | Price 293.08 | Shares 8,297

Planned sale 10 Sep 2025

Value US$1,566,622.40 | Price 292.12 | Shares 5,363

Planned sale 10 Sep 2025

Value US$963,436.10 | Price 290.98 | Shares 3,311

Planned sale 10 Sep 2025

Value US$643,972.56 | Price 293.78 | Shares 2,192

Planned sale 10 Sep 2025

Value US$475,976.69 | Price 296.19 | Shares 1,607

Planned sale 10 Sep 2025

Value US$235,970.88 | Price 294.96 | Shares 800

Planned sale 10 Sep 2025

Value US$112,800.42 | Price 296.84 | Shares 380

Proposed sale 10 Sep 2025

Value US$6,430,440.84 | Price 292.96 | Shares 21,950

D'Ambrosio Christopher

Corp. VP

2 sales — total 354,499 USD

Planned sale 10 Sep 2025

Value US$177,249.30 | Price 296.90 | Shares 597

Proposed sale 10 Sep 2025

Value US$177,249.30 | Price 296.90 | Shares 597

Bonarti Michael A

Corporate Vice President

2 sales — total 5,209,394 USD

Planned sale 9 Sep 2025

Value US$2,604,697.04 | Price 298.43 | Shares 8,728

Proposed sale 9 Sep 2025

Value US$2,604,697.04 | Price 298.43 | Shares 8,728

Rodriguez Carlos A

4 sales — total 13,044,228 USD

Planned sale 9 Sep 2025

Value US$4,616,097.08 | Price 296.95 | Shares 15,545

Planned sale 9 Sep 2025

Value US$1,816,519.55 | Price 297.55 | Shares 6,105

Planned sale 9 Sep 2025

Value US$89,496.99 | Price 298.32 | Shares 300

Proposed sale 9 Sep 2025

Value US$6,522,113.92 | Price 297.14 | Shares 21,950

Rodriguez Carlos A

10 sales — total 7,213,179 USD

Planned sale 5 Sep 2025

Value US$1,058,699.37 | Price 295.64 | Shares 3,581

Planned sale 5 Sep 2025

Value US$894,244.40 | Price 296.21 | Shares 3,019

Planned sale 5 Sep 2025

Value US$356,382.00 | Price 297.48 | Shares 1,198

Planned sale 5 Sep 2025

Value US$319,930.84 | Price 294.32 | Shares 1,087

Planned sale 5 Sep 2025

Value US$296,347.57 | Price 301.78 | Shares 982

Planned sale 5 Sep 2025

Value US$237,710.20 | Price 298.63 | Shares 796

Planned sale 5 Sep 2025

Value US$180,684.01 | Price 299.64 | Shares 603

Planned sale 5 Sep 2025

Value US$159,698.52 | Price 300.75 | Shares 531

Planned sale 5 Sep 2025

Value US$78,335.04 | Price 302.45 | Shares 259

Proposed sale 5 Sep 2025

Value US$3,631,146.64 | Price 301.19 | Shares 12,056

Rodriguez Carlos A

6 sales — total 7,027,323 USD

Planned sale 4 Sep 2025

Value US$2,011,580.72 | Price 300.86 | Shares 6,686

Planned sale 4 Sep 2025

Value US$725,991.66 | Price 298.76 | Shares 2,430

Planned sale 4 Sep 2025

Value US$414,879.08 | Price 301.29 | Shares 1,377

Planned sale 4 Sep 2025

Value US$225,522.47 | Price 299.90 | Shares 752

Planned sale 4 Sep 2025

Value US$135,687.54 | Price 297.56 | Shares 456

Proposed sale 4 Sep 2025

Value US$3,513,662.01 | Price 300.29 | Shares 11,701

McGuire Don

Corp VP

1 sale — total 4,033,055 USD

Planned sale 3 Sep 2025

Value US$4,033,055.43 | Price 296.57 | Shares 13,599

Rodriguez Carlos A

1 sale — total 2,091,896 USD

Planned sale 3 Sep 2025

Value US$2,091,895.71 | Price 298.54 | Shares 7,007

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other

Notification date	Transaction date	B/S Transaction type	Insider and/or position	Nb. shares Price Value	Number of shares	Price	Value
2026-05-11	2026-05-08	PlS Planned sale	Michaud Brian L. Executive VP Officer	69,166 +18.8% 317.32 US$928,216	69,166 +18.8%	317.32	US$928,216
2026-05-08	2026-05-08	PrS Proposed sale	Michaud Brian L. Officer Officer	25,103 354.49 US$836,999	25,103	354.49	US$836,999
2026-05-11	2026-05-07	PP Planned purchase	2.8 SWAN ROBERT HOLMES Non-Executive Director	68,611 -20.8% 154.00 US$4,659,537	68,611 -20.8%	154.00	US$4,659,537
2026-04-15	2026-04-14	PlS Planned sale	D'Ambrosio Christopher Corp. VP Officer	543 -6.1% 195.74 US$106,287	543 -6.1%	195.74	US$106,287
2026-04-14	2026-04-14	PrS Proposed sale	D'Ambrosio Christopher Officer Officer	543 195.74 US$106,287	543	195.74	US$106,287
2026-03-17	2026-03-16	PlS Planned sale	D'Ambrosio Christopher Corp. VP Officer	543 -5.7% 208.45 US$113,188	543 -5.7%	208.45	US$113,188
2026-03-16	2026-03-16	PrS Proposed sale	D'Ambrosio Christopher Officer Officer	543 208.45 US$113,188	543	208.45	US$113,188
2026-02-18	2026-02-17	PlS Planned sale	D'Ambrosio Christopher Corp. VP Officer	543 -5.4% 212.43 US$115,349	543 -5.4%	212.43	US$115,349
2026-02-17	2026-02-17	PrS Proposed sale	D'Ambrosio Christopher Officer Officer	543 212.43 US$115,349	543	212.43	US$115,349
2026-02-09	2026-02-06	PlS Planned sale	Michaud Brian L. Executive VP Officer	1,000 -6.1% 234.18 US$234,180	1,000 -6.1%	234.18	US$234,180
2026-02-06	2026-02-06	PrS Proposed sale	Michaud Brian L. Officer Officer	1,000 234.18 US$234,180	1,000	234.18	US$234,180
2026-02-09	2026-02-05	PlS Planned sale	Foskett David Corp. VP Officer	266 -2.4% 237.00 US$63,042	266 -2.4%	237.00	US$63,042
2026-02-05	2026-02-05	PrS Proposed sale	Foskett David Officer Officer	266 237.00 US$63,042	266	237.00	US$63,042
2026-01-14	2026-01-13	PlS Planned sale	D'Ambrosio Christopher Corp. VP Officer	543 -5.2% 262.29 US$142,423	543 -5.2%	262.29	US$142,423
2026-01-13	2026-01-13	PrS Proposed sale	D'Ambrosio Christopher Officer Officer	543 262.29 US$142,423	543	262.29	US$142,423
2026-01-14	2026-01-12	PlS Planned sale	Kwon David Corp VP Officer	806 -6.7% 264.80 US$213,429	806 -6.7%	264.80	US$213,429
2026-01-12	2026-01-12	PrS Proposed sale	Kwon David Officer Officer	806 264.80 US$213,429	806	264.80	US$213,429
2026-01-08	2026-01-06	PlS Planned sale	Kwon David Corp VP Officer	900 -7.0% 260.00 US$234,000	900 -7.0%	260.00	US$234,000
2026-01-06	2026-01-06	PrS Proposed sale	Kwon David Officer Officer	900 260.00 US$234,000	900	260.00	US$234,000
2026-01-06	2026-01-05	PlS Planned sale	Black Maria President & CEO Officer	294 -0.4% 258.09 US$75,878	294 -0.4%	258.09	US$75,878
2026-01-06	2026-01-05	PlS Planned sale	Black Maria President & CEO Officer	145 -0.2% 257.24 US$37,300	145 -0.2%	257.24	US$37,300
2026-01-06	2026-01-05	PlS Planned sale	Black Maria President & CEO Officer	98 -0.1% 258.77 US$25,360	98 -0.1%	258.77	US$25,360
2026-01-06	2026-01-05	PlS Planned sale	Black Maria President & CEO Officer	71 -0.1% 254.95 US$18,101	71 -0.1%	254.95	US$18,101
2026-01-06	2026-01-05	PlS Planned sale	Black Maria President & CEO Officer	56 -0.1% 255.73 US$14,321	56 -0.1%	255.73	US$14,321
2026-01-06	2026-01-05	PlS Planned sale	Black Maria President & CEO Officer	51 -0.1% 253.32 US$12,920	51 -0.1%	253.32	US$12,920
2026-01-05	2026-01-05	PrS Proposed sale	Black Maria Officer; Director Executive Director	715 252.69 US$180,673	715	252.69	US$180,673
2025-11-19	2025-11-19	PrS Proposed sale	2.8 JONES JOHN P III Director Non-Executive Director	16,125 248.90 US$4,013,512	16,125	248.90	US$4,013,512
2025-09-15	2025-09-12	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	855 -3.9% 293.76 US$251,164	855 -3.9%	293.76	US$251,164
2025-09-15	2025-09-12	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	230 -1.0% 292.81 US$67,347	230 -1.0%	292.81	US$67,347
2025-09-15	2025-09-12	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	129 -0.6% 296.13 US$38,201	129 -0.6%	296.13	US$38,201
2025-09-15	2025-09-12	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	52 -0.2% 294.41 US$15,309	52 -0.2%	294.41	US$15,309
2025-09-15	2025-09-12	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	7 -0.0% 296.94 US$2,079	7 -0.0%	296.94	US$2,079
2025-09-12	2025-09-12	PrS Proposed sale	Rodriguez Carlos A Director Non-Executive Director	1,273 294.96 US$375,484	1,273	294.96	US$375,484
2025-09-15	2025-09-11	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	802 -3.4% 294.80 US$236,429	802 -3.4%	294.80	US$236,429
2025-09-15	2025-09-11	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	623 -2.6% 297.98 US$185,639	623 -2.6%	297.98	US$185,639
2025-09-15	2025-09-11	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	591 -2.4% 295.82 US$174,832	591 -2.4%	295.82	US$174,832
2025-09-15	2025-09-11	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	337 -1.4% 296.92 US$100,064	337 -1.4%	296.92	US$100,064
2025-09-15	2025-09-11	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	202 -0.8% 293.04 US$59,194	202 -0.8%	293.04	US$59,194
2025-09-15	2025-09-11	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	186 -0.7% 293.93 US$54,670	186 -0.7%	293.93	US$54,670
2025-09-15	2025-09-11	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	72 -0.3% 298.58 US$21,497	72 -0.3%	298.58	US$21,497
2025-09-11	2025-09-11	PrS Proposed sale	Rodriguez Carlos A Director Non-Executive Director	2,813 295.89 US$832,325	2,813	295.89	US$832,325
2025-09-11	2025-09-10	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	8,297 -24.7% 293.08 US$2,431,661	8,297 -24.7%	293.08	US$2,431,661
2025-09-11	2025-09-10	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	5,363 -13.7% 292.12 US$1,566,622	5,363 -13.7%	292.12	US$1,566,622
2025-09-11	2025-09-10	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	3,311 -7.8% 290.98 US$963,436	3,311 -7.8%	290.98	US$963,436
2025-09-11	2025-09-10	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	2,192 -4.9% 293.78 US$643,973	2,192 -4.9%	293.78	US$643,973
2025-09-11	2025-09-10	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	1,607 -3.5% 296.19 US$475,977	1,607 -3.5%	296.19	US$475,977
2025-09-11	2025-09-10	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	800 -1.7% 294.96 US$235,971	800 -1.7%	294.96	US$235,971
2025-09-11	2025-09-10	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	380 -0.8% 296.84 US$112,800	380 -0.8%	296.84	US$112,800
2025-09-11	2025-09-10	PlS Planned sale	D'Ambrosio Christopher Corp. VP Officer	597 -5.4% 296.90 US$177,249	597 -5.4%	296.90	US$177,249
2025-09-10	2025-09-10	PrS Proposed sale	Rodriguez Carlos A Director Non-Executive Director	21,950 292.96 US$6,430,441	21,950	292.96	US$6,430,441
2025-09-10	2025-09-10	PrS Proposed sale	D'Ambrosio Christopher Officer Officer	597 296.90 US$177,249	597	296.90	US$177,249
2025-09-11	2025-09-09	PlS Planned sale	Bonarti Michael A Corporate Vice President Officer	8,728 -9.8% 298.43 US$2,604,697	8,728 -9.8%	298.43	US$2,604,697
2025-09-11	2025-09-09	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	15,545 -38.0% 296.95 US$4,616,097	15,545 -38.0%	296.95	US$4,616,097
2025-09-11	2025-09-09	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	6,105 -13.0% 297.55 US$1,816,520	6,105 -13.0%	297.55	US$1,816,520
2025-09-11	2025-09-09	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	300 -0.6% 298.32 US$89,497	300 -0.6%	298.32	US$89,497
2025-09-09	2025-09-09	PrS Proposed sale	Rodriguez Carlos A Director Non-Executive Director	21,950 297.14 US$6,522,114	21,950	297.14	US$6,522,114
2025-09-09	2025-09-09	PrS Proposed sale	Bonarti Michael A Officer Officer	8,728 298.43 US$2,604,697	8,728	298.43	US$2,604,697
2025-09-08	2025-09-05	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	3,581 -12.4% 295.64 US$1,058,699	3,581 -12.4%	295.64	US$1,058,699
2025-09-08	2025-09-05	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	3,019 -9.4% 296.21 US$894,244	3,019 -9.4%	296.21	US$894,244
2025-09-08	2025-09-05	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	1,198 -3.6% 297.48 US$356,382	1,198 -3.6%	297.48	US$356,382
2025-09-08	2025-09-05	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	1,087 -3.2% 294.32 US$319,931	1,087 -3.2%	294.32	US$319,931
2025-09-08	2025-09-05	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	982 -2.8% 301.78 US$296,348	982 -2.8%	301.78	US$296,348
2025-09-08	2025-09-05	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	796 -2.2% 298.63 US$237,710	796 -2.2%	298.63	US$237,710
2025-09-08	2025-09-05	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	603 -1.6% 299.64 US$180,684	603 -1.6%	299.64	US$180,684
2025-09-08	2025-09-05	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	531 -1.4% 300.75 US$159,699	531 -1.4%	300.75	US$159,699
2025-09-08	2025-09-05	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	259 -0.7% 302.45 US$78,335	259 -0.7%	302.45	US$78,335
2025-09-05	2025-09-05	PrS Proposed sale	Rodriguez Carlos A Director Non-Executive Director	12,056 301.19 US$3,631,147	12,056	301.19	US$3,631,147
2025-09-05	2025-09-04	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	6,686 -15.2% 300.86 US$2,011,581	6,686 -15.2%	300.86	US$2,011,581
2025-09-05	2025-09-04	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	2,430 -5.2% 298.76 US$725,992	2,430 -5.2%	298.76	US$725,992
2025-09-05	2025-09-04	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	1,377 -2.9% 301.29 US$414,879	1,377 -2.9%	301.29	US$414,879
2025-09-05	2025-09-04	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	752 -1.5% 299.90 US$225,522	752 -1.5%	299.90	US$225,522
2025-09-05	2025-09-04	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	456 -0.9% 297.56 US$135,688	456 -0.9%	297.56	US$135,688
2025-09-04	2025-09-04	PrS Proposed sale	Rodriguez Carlos A Director Non-Executive Director	11,701 300.29 US$3,513,662	11,701	300.29	US$3,513,662
2025-09-05	2025-09-03	PlS Planned sale	McGuire Don Corp VP Officer	13,599 -43.5% 296.57 US$4,033,055	13,599 -43.5%	296.57	US$4,033,055
2025-09-05	2025-09-03	PlS Planned sale	Rodriguez Carlos A Non-Executive Director	7,007 -12.5% 298.54 US$2,091,896	7,007 -12.5%	298.54	US$2,091,896