Automatic Data Processing Inc (ADP)

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Over the last 90 days, Automatic Data Processing Inc. saw a net of 7 insider transactions totaling $1,544,417.77. Sales slightly outweighed purchases, with $798,722.82 in sales versus $745,694.95 in buys. Notable transactions include multiple sales by officers and VPs, alongside a significant purchase by an executive.

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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

1 sale — total 75,878 USD

Planned sale 5 Jan 2026

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

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