APH Amphenol Corp.

NYSE
$78.55

Amphenol Corp. (APH) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal In line Selling ran in line with APH's own trailing one-year pace, with 0% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 4 sellers in the last 90 days
Insiders buying
1
1 transaction
Insiders selling
8
25 transactions
Purchases
$1.3M
10,000 shares
Sales
$511.9M
3,423,606 shares
Net activity
-$510.6M
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $511.9M 25 transactions · 3,423,606 shares

Largest single sale: $80.8M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: February 5, 2026 , by Livingston Robert .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Silverman David M EVP, Human Resources Sell 120,000 $174.24 $20.9M 15,672 −88.4% of holding
Lampo Craig A EVP& CFO Sell 193,200 $167.31 $32.3M 90,665 −68.1% of holding
D'AMICO LANCE E 3 fills EVP, Secretary & GenCounsel Sell 100,000 $161.90 $16.2M 57,065 −63.7% of holding
NORWITT RICHARD ADAM 2 fills President & CEO Sell 686,104 $161.76 $111.0M 1,927,507 −26.3% of holding
NORWITT RICHARD ADAM President & CEO Sell 17,500 $143.21 $2.5M 1,927,507 −0.9% of holding
NORWITT RICHARD ADAM President & CEO Sell 52,203 $142.04 $7.4M 1,927,507 −2.6% of holding
NORWITT RICHARD ADAM President & CEO Sell 61,072 $143.90 $8.8M 1,927,507 −3.1% of holding
Lampo Craig A Executive VP & CFO Sell 100,000 $149.98 $15.0M 112,110 −47.1% of holding
D'AMICO LANCE E See Remarks Sell 50,000 $149.88 $7.5M 57,065 −46.7% of holding
NORWITT RICHARD ADAM 2 fills President & CEO Sell 608,333 $147.25 $89.6M 1,927,507 −24% of holding
Livingston Robert Director Buy 10,000 $128.51 $1.3M 135,720
Straub Peter President, ISS Division Sell 132,000 $141.84 $18.7M None left
Doherty William J President, CS Division Sell 80,000 $142.00 $11.4M None left
Lampo Craig A 2 fills SR VP & CFO Sell 298,076 $143.24 $42.7M 167,695 −64% of holding
Ivas Michael R. VP & Corporate Controller Sell 120,000 $140.05 $16.8M 152,412 −44.1% of holding
Silverman David M Senior VP, Human Resources Sell 120,000 $141.17 $16.9M 12,500 −90.6% of holding
Ivas Michael R. VP & Corporate Controller Sell 120,000 $141.30 $17.0M 152,412 −44.1% of holding
D'AMICO LANCE E Sr. VP, Secretary & GenCounsel Sell 120,000 $140.01 $16.8M 76,400 −61.1% of holding
Doherty William J President, CS Division Sell 80,000 $141.04 $11.3M None left
WALTER LUC 2 fills President, HES Division Sell 365,118 $134.65 $49.2M 433,742 −45.7% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.