Amphenol Corporation (APH)
NYSE: APH · Electronic Connectors · Wallingford, CT · filing with the SEC since 1994
Grade7.4
◀ Past 7.7● Present 7.3▶ Future 7.2
Who owns Amphenol Corporation
As filed with the SECHolders of 5% or more
2
Vanguard Capital Management holds 7.47% of Common Stock, as its SCHEDULE 13G filed Apr 29, 2026 says.
Directors and officers
16
report now, of 33 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
Vanguard Capital Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
Fmr LLC
SCHEDULE 13G/A · filed Aug 6, 2026 · CLASS A COMMON STOCK · 7.1% in Feb 5, 2026
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%, from 10.3% in Oct 30, 2025
What APH reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Trexon Acquisition
A company bought · acquisition · Oct 2025 · owns, named in the 10-K filed Feb 11, 2026
Andrew Business Acquisition
A company bought · acquisition · Jan 2025 · owns, named in the 10-K filed Feb 11, 2026
Carlisle Interconnect Technologies Acquisition
A company bought · acquisition · May 2024 · owns, named in the 10-K filed Feb 11, 2026
469 subsidiaries in 50 countries, from the list filed with the 10-K filed Feb 11, 2026.
Insider tradesForm 4
20sales
1purchases
0sales on a scheduled plan
7people selling
$467Msold, in dollars
$1.3Mbought, in dollars
Open-market trades on Form 4 from Nov 3, 2025 to Nov 3, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 3, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window8 of 33 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Norwitt Richard Adam | President & CEO | 8 | $285M | 0 | 0 | $0 |
| Lampo Craig A | EVP& CFO | 4 | $90.0M | 0 | 0 | $0 |
| Silverman David M | EVP, Human Resources | 2 | $37.8M | 0 | 0 | $0 |
| D'Amico Lance E | EVP, Secretary & GenCounsel | 4 | $23.7M | 0 | 0 | $0 |
| Straub Peter | President, ISS Division | 1 | $18.7M | 0 | 0 | $0 |
| Ivas Michael R. | SVP & Corporate Controller | 1 | $16.8M | 0 | 0 | $0 |
| Doherty William J | President, CS Division | 1 | $11.4M | 0 | 0 | $0 |
| Livingston Robert | director | 0 | $0 | 0 | 1 | $1.3M |