Automatic Data Processing Ownership & Insider Activity

Automatic Data Processing (ADP) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 2.3% of shares outstanding. Institutional investors hold 58.4%. Over the past 90 days, insiders made 6 sales worth $22.9M.

Shares Outstanding

396.252M

Shares Float

354.481M

Insider Shares Owned

9.049M

Insider % Owned

2.3%

Institutional Shares Held

231.467M

Institutional % Held

58.4%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$22.9M total

Net Activity

Net Selling

Net Value (90d)

-$22.9M

Automatic Data Processing Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Sep 3, 2026	Joseph DeSilva	EXECUTIVE VP	SELL	631.000	$282.87	$178K
Sep 1, 2026	David Kwon (POA on File)	CORP. VP	GRANT	496.505	$283.28	$994K
Sep 1, 2026	Joseph DeSilva	EXECUTIVE VP	SELL	8.905K	$283.26	$4.0M
Sep 1, 2026	Christopher DAmbrosio	CORP. VP	SELL	1.043K	$283.24	$1.0M
Sep 1, 2026	Maria Black	PRESIDENT & CEO	SELL	39.336K	$282.23	$17.2M
Aug 21, 2026	Brian Michaud	EXECUTIVE VP	SELL	120.000	$279.70	$34K
Aug 20, 2026	David Kwon	CORP VP	SELL-OPTIONS	169.000	$224.92	$59K
Jul 30, 2026	David Kwon	CORP VP	SELL	1.527K	$202.07	$518K
May 8, 2026	Brian Michaud	EXECUTIVE VP	SELL	848.000	$212.13	$180K
May 7, 2026	HOLMES ROBERT SWAN	DIRECTOR	BUY	3.619K	$206.05	$746K

Date	Member	Party	Chamber	Action	Amount
Jul 30, 2026	Richard McCormick	R	House	Sale	$1,001 - $15,000
Jun 16, 2026	Gilbert Ray Cisneros	D	House	Purchase	$1,001 - $15,000
Apr 14, 2026	Gilbert Ray Cisneros	D	House	Sale (Partial)	$1,001 - $15,000
Mar 27, 2026	Alan Armstrong	R	Senate	Purchase	$1,001 - $15,000
Mar 23, 2026	Jared Moskowitz	D	House	Sale	$1,001 - $15,000
Mar 23, 2026	Jared Moskowitz	D	House	Sale	$1,001 - $15,000
Mar 23, 2026	Jared Moskowitz	D	House	Sale	$1,001 - $15,000
Mar 19, 2026	Richard McCormick	R	House	Purchase	$1,001 - $15,000
Mar 19, 2026	Richard McCormick	R	House	Sale (Partial)	$1,001 - $15,000
Nov 12, 2025	Marjorie Taylor Greene	R	House	Purchase	$15,001 - $50,000
Nov 5, 2025	Richard McCormick	R	House	Purchase	$1,001 - $15,000
Aug 18, 2025	Dan Newhouse	R	House	Purchase	$1,001 - $15,000
Jul 16, 2025	Lisa McClain	R	House	Sale	$1,001 - $15,000
Jul 10, 2025	Lisa McClain	R	House	Purchase	$1,001 - $15,000
May 12, 2025	Jefferson Shreve	R	House	Sale	$50,001 - $100,000
Sep 25, 2024	Scott Franklin	R	House	Purchase	$1,001 - $15,000
Sep 24, 2024	Scott Franklin	R	House	Purchase	$50,001 - $100,000
Sep 24, 2024	Scott Franklin	R	House	Purchase	$1,001 - $15,000
Sep 4, 2024	John James	R	House	Sale	$1,001 - $15,000
Nov 10, 2023	John James	R	House	Purchase	$1,001 - $15,000