Amphenol Ownership & Insider Activity

Amphenol (APH) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 0.1% of shares outstanding. Institutional investors hold 56.1%.

Shares Outstanding

2.466B

Shares Float

2.181B

Insider Shares Owned

2.128M

Insider % Owned

0.1%

Institutional Shares Held

1.383B

Institutional % Held

56.1%

Ownership Breakdown

Net Insider Activity by Month

Amphenol Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Aug 5, 2026	David Silverman	EVP, HUMAN RESOURCES	SELL-OPTIONS	—	$98.12	$18.3M
Aug 4, 2026	Craig Lampo	EVP& CFO	SELL-OPTIONS	—	$94.84	$28.0M
Aug 3, 2026	Lance E. D'Amico	EVP, SECRETARY & GENCOUNSEL	SELL-OPTIONS	—	$92.19	$13.9M
Jul 31, 2026	ADAM RICHARD NORWITT	PRESIDENT & CEO	SELL-OPTIONS	—	$92.07	$95.6M
May 1, 2026	ADAM RICHARD NORWITT	PRESIDENT & CEO	SELL-OPTIONS	—	$82.72	$15.8M

Date	Member	Party	Chamber	Action	Amount
Aug 18, 2026	Gilbert Ray Cisneros	D	House	Purchase	$1,001 - $15,000
Jul 10, 2026	Dan Newhouse	R	House	Purchase	$1,001 - $15,000
Jul 8, 2026	Rick Larsen	D	House	Purchase	$1,001 - $15,000
Mar 27, 2026	Alan Armstrong	R	Senate	Purchase	$1,001 - $15,000
Sep 23, 2025	Val Hoyle	D	House	Sale	$1,001 - $15,000
Apr 10, 2025	Byron Donalds	R	House	Purchase	$1,001 - $15,000
Apr 10, 2025	Byron Donalds	R	House	Purchase	$1,001 - $15,000
Apr 8, 2025	Robert Bresnahan	R	House	Purchase	$1,001 - $15,000
Jan 2, 2025	James Comer	R	House	Purchase	$1,001 - $15,000
Oct 29, 2024	Val Hoyle	D	House	Purchase	$1,001 - $15,000
Sep 27, 2024	Josh Gottheimer	D	House	Sale (Partial)	$1,001 - $15,000
Jul 1, 2024	Josh Gottheimer	D	House	Sale (Partial)	$1,001 - $15,000
Jan 25, 2024	Josh Gottheimer	D	House	Sale (Partial)	$1,001 - $15,000
Jan 19, 2024	Tommy Tuberville	R	Senate	Sale	$1,001 - $15,000