Massivemarkets

SEC Form 4

Amphenol Corporation (APH) insider trading

In the 12 months to Oct 24, 2026, 8 APH insiders reported open-market sales of $511.9M across 17 filings; one director bought $1.3M.

Latest filing · Last 12 months · Source: SEC EDGAR · How we count

Open-market sales
$511.9M
17 filings · 8 insiders
Open-market purchases
$1.3M
1 filing · Robert Livingston, Director

Who traded APH, and when

  • Purchase
  • Sale

APH daily close from Oct 24, 2025 to Oct 23, 2026, between $59.58 and $88.62, last $74.09. 17 sale and 1 purchase filings by 9 insiders, marked at their filing dates. Richard Adam Norwitt, President & CEO: sold $219.3M across 3 filings, first filed Feb 13, 2026, last Aug 3, 2026. Craig A. Lampo, SR VP & CFO → Executive VP & CFO → EVP& CFO: sold $90.0M across 3 filings, first filed Nov 13, 2025, last Aug 5, 2026. Luc Walter, President, HES Division: sold $49.2M across 1 filing, first filed Oct 27, 2025, last Oct 27, 2025. Lance E. D'Amico, Sr. VP, Secretary & GenCounsel → Officer (see filing) → EVP, Secretary & GenCounsel: sold $40.5M across 3 filings, first filed Oct 30, 2025, last Aug 5, 2026. David M. Silverman, Senior VP, Human Resources → EVP, Human Resources: sold $37.8M across 2 filings, first filed Nov 3, 2025, last Aug 5, 2026. Michael R. Ivas, VP & Corporate Controller: sold $33.8M across 2 filings, first filed Nov 3, 2025, last Nov 6, 2025. Robert Livingston, Director: bought $1.3M across 1 filing, first filed Feb 6, 2026, last Feb 6, 2026. 2 others: sold $41.4M across 3 filings, first filed Oct 30, 2025, last Dec 2, 2025.

Largest mark · tap a row for others

Richard Adam Norwitt · President & CEO

Sale $110,986,719

686,104 shares at $161.76 avg

Filed Aug 3, 2026 · traded Jul 31

Close on filing date $81.67

APH daily closelast $74.09

Richard Adam Norwitt · President & CEO

$219.3M sold

Craig A. Lampo · SR VP & CFO → Executive VP & CFO → EVP& CFO

$90.0M sold

Luc Walter · President, HES Division

$49.2M sold

Lance E. D'Amico · Sr. VP, Secretary & GenCounsel → Officer (see filing) → EVP, Secretary & GenCounsel

$40.5M sold

David M. Silverman · Senior VP, Human Resources → EVP, Human Resources

$37.8M sold

Michael R. Ivas · VP & Corporate Controller

$33.8M sold

Robert Livingston · Director

$1.3M bought

2 others

$41.4M sold
One row per insider, smaller filers combined; marks sit at the SEC filing date, sized by dollar value.

Has the Amphenol Corporation's CEO sold stock?

Yes. Richard Adam Norwitt (CEO) sold 1,425,212 shares ($219.3M) between Feb 2026 and Aug 2026.

Open-market trades

18 filings in the last 12 months
InsiderRoleSoldBoughtFilingsPre-arranged (10b5-1)Last filed
Richard Adam NorwittPresident & CEO$219.3M—3—
Craig A. LampoSR VP & CFO → Executive VP & CFO → EVP& CFO$90.0M—3—
Luc WalterPresident, HES Division$49.2M—1—
Lance E. D'AmicoSr. VP, Secretary & GenCounsel → Officer (see filing) → EVP, Secretary & GenCounsel$40.5M—3—
David M. SilvermanSenior VP, Human Resources → EVP, Human Resources$37.8M—2—
Michael R. IvasVP & Corporate Controller$33.8M—2—
William J. DohertyPresident, CS Division$22.6M—2—
Peter StraubPresident, ISS Division$18.7M—1—
Robert LivingstonDirector—$1.3M1—
Other insider activity (not market trades) · 47 records
  • Option exercises27 records
  • Grants and awards8 records
  • Gifts11 records
  • Other1 record

Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.

Build this yourself

This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:

Agent prompt

Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for APH every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.

How to read this page

Open-market purchase or sale
A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
Role
The title on each filing. Someone whose title changed shows more than one.
Filing date
Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.