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APH · Amphenol Corp /De/
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TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV-1.12% 13F +693CRM-0.46% 13F +1,018CVNA+2.74% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+15.81% 13F +1,203CRWD-5.42% 13F +1,382ANET+2.87% 13F +1,323COIN-1.05% 13F +475TEAM-0.32% 13F +439META+2.47% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV-1.12% 13F +693CRM-0.46% 13F +1,018CVNA+2.74% 13F +794TPL-0.71% 13F +444NET-4.47% 13F +710MSTR-1.35% 13F +526DELL+15.81% 13F +1,203CRWD-5.42% 13F +1,382ANET+2.87% 13F +1,323COIN-1.05% 13F +475
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APH

AMPHENOL CORP /DE/
SEMICONDUCTORS & ELECTRONICS · ELECTRONIC CONNECTORS · CIK 0000820313
CONGRESS · 2FORM 144 · 7☆ WATCH
INSIDER NET · 180D
-$199.1M
open-market buys minus sells, Form 4 codes P and S
INSIDER BUYERS · 180D
0
CONGRESS BUYERS · 1Y
2
FUNDS ADDED · QTR
1,348
13F, latest reported quarter
REVENUE GROWTH
+51.7%
XBRL, annual
NET MARGIN
18.5%
CONVERSIONS · 180D
10
codes C/M, not in net · $27.5M priced
SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST
INSIDERS
net -$199.1M over 180 days
-$180.4M over 90 days
below 92% of Semiconductors & Electronics
CONGRESS
2 members bought in the last year
more than 51% of Semiconductors & Electronics
FUNDS
1,348 funds added or opened last quarter
more than 96% of Semiconductors & Electronics
REVENUE
+51.7% year over year
more than 85% of Semiconductors & Electronics
MARGIN
18.5% net margin
more than 89% of Semiconductors & Electronics
BUYBACKS
$386.0M repurchased, FY to 2026-06-30
more than 84% of Semiconductors & Electronics
SHORT
1.2% of shares outstanding short · 2.1 days to cover · settled 2026-07-31
below 78% of Semiconductors & Electronics
THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET
Insiders are net sellers: -$199.1M across 4 people in 180 days.
1,348 funds added or opened positions in the latest 13F quarter, of 2,331 holders.
2 members of Congress reported buying it this year.
The year, with the filings on it
Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail
TOTAL 12M RETURN -24.4%
-24.4%12M
-29%+1%+32%+62%2025-092025-102025-122026-032026-052026-072026-09 2026-07-31 · NORWITT RICHARD ADAM sold $80.8M2026-02-12 · NORWITT RICHARD ADAM sold $75.9M2025-11-11 · Lampo Craig A sold $36.9M2026-08-04 · Lampo Craig A sold $32.3M2026-07-31 · NORWITT RICHARD ADAM sold $30.2M2025-10-24 · WALTER LUC sold $28.7M2026-08-05 · Silverman David M sold $20.9M2025-10-24 · WALTER LUC sold $20.5M2025-12-02 · Straub Peter sold $18.7M2025-10-31 · Ivas Michael R. sold $17.0M2025-11-03 · Silverman David M sold $16.9M2025-11-05 · Ivas Michael R. sold $16.8M2025-10-29 · D'AMICO LANCE E sold $16.8M2026-02-18 · Lampo Craig A sold $15.0M2026-02-12 · NORWITT RICHARD ADAM sold $13.7M2025-12-02 · Doherty William J sold $11.4M2025-10-29 · Doherty William J sold $11.3M2026-05-01 · NORWITT RICHARD ADAM sold $8.8M2026-08-03 · D'AMICO LANCE E sold $8.1M2026-02-18 · D'AMICO LANCE E sold $7.5M2026-05-04 · NORWITT RICHARD ADAM sold $7.4M2026-08-03 · D'AMICO LANCE E sold $6.5M2025-11-11 · Lampo Craig A sold $5.8M2025-09-08 · Straub Peter sold $4.9M2026-05-05 · NORWITT RICHARD ADAM sold $2.5M2026-08-03 · D'AMICO LANCE E sold $1.6M2026-02-05 · Livingston Robert bought $1.3M2026-08-05 · DAVID SILVERMAN filed to sell $20.9M2026-08-04 · LAMPO FAMILY TRUST filed to sell $14.5M2026-08-04 · CRAIG LAMPO filed to sell $32.3M2026-08-03 · LANCE D AMICO filed to sell $8.1M2026-08-03 · LANCE E DAMICO 2024 IRRV TRUST filed to sell $8.1M2026-07-31 · RICHARD ADAM NORWITT filed to sell $80.8M2026-07-31 · NORWITT FAMILY TRUST filed to sell $30.2M
INSIDER BUYINSIDER SELLFORM 144
INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY
Live price
Daily candles from TradingView, on their licence — no filings are marked on this one
WHY THIS NAME IS ON THE DESK
Insiders have filed to sell — before selling.
The record shows a net $199.1M sold by insiders over 180 days, 1,348 funds added last quarter, 2 Congress member(s) bought in 12 months, $194.9M in planned Form 144 sales. Every figure is a federal filing, dated the day it became public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector from the SEC's own SIC classification
NVDACRDOVICRMPWRVPLMALABPIMTSIMUAIPAVGOMSI
Insider transactions
Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, AMPHENOL CORP /DE/ insiders sold a net $199.1M of stock across 114 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-04.

INSIDER
FILED
SHARES
VALUE
Silverman David M
EVP, Human Resources
SELL
2026-08-05
120,000.0
$20.9M
Lampo Craig A
EVP& CFO
SELL
2026-08-04
193,200.0
$32.3M
D'AMICO LANCE E
EVP, Secretary & GenCounsel
SELL
2026-08-03
50,000.0
$8.1M
D'AMICO LANCE E
EVP, Secretary & GenCounsel
SELL
2026-08-03
40,000.0
$6.5M
D'AMICO LANCE E
EVP, Secretary & GenCounsel
SELL
2026-08-03
10,000.0
$1.6M
114 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 109 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders
13F · holdings as of the latest quarter funds have reported
BlackRock, Inc.
101,252,038.0 sh
$17.9B
VANGUARD CAPITAL MANAGEMENT LLC
80,347,208.0 sh
$14.2B
FMR LLC
70,569,005.0 sh
$12.4B
STATE STREET CORP
59,492,948.0 sh
$10.5B
Capital International Investors
43,036,258.0 sh
$7.6B
SCHEDULE 13D/G
No 5%+ ownership filings
Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.
Planned sales · Form 144
Filed before the sale — intent, not a trade
DAVID SILVERMAN
FILED 2026-08-05
$20.9M
LAMPO FAMILY TRUST
FILED 2026-08-04
$14.5M
CRAIG LAMPO
FILED 2026-08-04
$32.3M
LANCE D AMICO
FILED 2026-08-03
$8.1M
LANCE E DAMICO 2024 IRRV TRUST
FILED 2026-08-03
$8.1M
Fund concentration
N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show
AB Concentrated Growth Fund
$40.4M POSITION · AS OF 2026-03-31
8.0%
Virtus KAR Capital Growth Fund
$44.0M POSITION · AS OF 2026-03-31
7.8%
Virtus KAR Capital Growth Series
$15.4M POSITION · AS OF 2026-03-31
7.7%
Virtus KAR Mid-Cap Growth Fund
$31.2M POSITION · AS OF 2026-03-31
7.2%
Bright Rock Mid Cap Growth Fund
$6.4M POSITION · AS OF 2026-05-31
6.7%
Catalyst Dynamic Alpha Fund
$6.7M POSITION · AS OF 2026-03-31
6.1%
SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK
Executive pay vs shareholder return · R. Adam Norwitt.
DEF 14A pay-versus-performance disclosure · both the headline pay and the SEC's mark-to-market figure, beside the return the company delivered and the return of the peer group it chose itself
FY
CEO TOTAL
ACTUALLY PAID
OTHER NEOs AVG
TSR
PEER TSR
2023
$10.9M
$31.1M
$4.0M
+91%
+60%
2022
$14.0M
-$15.7M
$4.1M
+45%
+25%
2021
$13.1M
$51.0M
$3.3M
+65%
+51%
2020
$8.0M
$25.1M
$3.0M
+22%
+21%
TAGGED BY THE COMPANY UNDER SEC ITEM 402(v) · RETURN IS CUMULATIVE FROM THE START OF THE DISCLOSURE PERIOD · GREEN WHERE THE COMPANY BEAT ITS OWN PEER GROUP
Fundamentals
Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all
2025-122024-122023-122022-12
REVENUE$23.1B$15.2B$12.6B$12.6B
GROSS PROFIT$8.5B$5.1B$4.1B$4.0B
OPERATING INCOME$5.9B$3.2B$2.6B$2.6B
NET INCOME$4.3B$2.4B$1.9B$1.9B
EPS (DILUTED)3.341.921.551.53
OPERATING CASH FLOW$5.4B$2.8B$2.5B$2.2B
CASH$11.1B$3.3B$1.5B$1.4B
BUYBACKS$665.2M$689.3M$585.1M$730.5M
DIVIDENDS PAID$802.2M$595.1M$500.6M$477.4M
SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-04 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE
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Public filings, honestly analyzed. Official US government sources in one desk — every figure carries the date it was filed, and the methodology is published, backtest included.

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