Key facts
- APH - AMPHENOL CORP /DE/ has 23 insiders with reported activity on this page.
- Net insider value flow over the last year: -$460,707,456.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 23 Insiders of AMPHENOL CORP /DE/
- Symbol
- APH on NYSE
- Location
- Wallingford, CT
Change
- Buy value: $1,285,080; sell value: $461,992,536.
- Net share flow: -3,604,226.
Research use
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$460,707,456.
Buys
$1,285,080
Shares: 10,000
Insiders: 1
Sells
$461,992,536
Shares: 3,614,226
Insiders: 8
Net
-$460,707,456
Shares: -3,604,226
Insiders: -7
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 130,775 | $0 | $18,709,066 | -$18,709,066 |
| 3-6 | 10,000 | 970,333 | $1,285,080 | $142,152,921 | -$140,867,841 |
| 6-9 | 0 | 1,311,194 | $0 | $180,384,042 | -$180,384,042 |
| 9-12 | 0 | 1,201,924 | $0 | $120,746,507 | -$120,746,507 |
Top shareholders of AMPHENOL CORP /DE/ (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with the largest verified stakes, then open the linked filing trail.
13D/G
13F
Evidence coverage
50 holder rows
Latest evidence as of 31 Mar 2026.
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13D/G
The Vanguard Group
|
10%
|
$15,496,852,016
125,227,087 shares
|
$0 | 30 Sep 2025 |
| FMR LLC |
13D/G
13F
Company
|
7.1%
|
$11,670,878,257
86,361,390 shares
|
-$1,810,569,638 | 31 Dec 2025 |
| BlackRock, Inc. |
13F
Company
|
8.4%
|
$12,883,412,435
101,966,066 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
6.6%
|
$10,092,263,866
79,875,456 shares
|
— | 31 Mar 2026 |
| STATE STREET CORP |
13F
Company
|
4.7%
|
$7,266,090,298
57,396,418 shares
|
— | 31 Mar 2026 |
| JPMORGAN CHASE & CO |
13F
Company
|
4.1%
|
$5,870,589,642
49,270,578 shares
|
— | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
Company
|
2.9%
|
$4,529,669,105
35,850,171 shares
|
— | 31 Mar 2026 |
| Capital International Investors |
13F
Company
|
2.9%
|
$4,463,635,126
35,333,842 shares
|
— | 31 Mar 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
2.6%
|
$3,947,761,324
31,295,967 shares
|
— | 31 Mar 2026 |
| Capital Research Global Investors |
13F
Company
|
2.2%
|
$3,364,162,320
26,630,629 shares
|
— | 31 Mar 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
2.2%
|
$3,308,716,000
26,186,905 shares
|
— | 31 Mar 2026 |
| BANK OF AMERICA CORP /DE/ |
13F
Company
|
1.7%
|
$2,612,372,879
20,675,686 shares
|
— | 31 Mar 2026 |
| MORGAN STANLEY |
13F
Company
|
1.4%
|
$2,212,698,455
17,512,450 shares
|
— | 31 Mar 2026 |
| Bank of New York Mellon Corp |
13F
Company
|
1.3%
|
$2,061,032,233
16,312,088 shares
|
— | 31 Mar 2026 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
Company
|
1.2%
|
$1,895,461,131
15,001,671 shares
|
— | 31 Mar 2026 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
Company
|
1.1%
|
$1,831,149,630
13,964,627 shares
|
— | 31 Mar 2026 |
| NORTHERN TRUST CORP |
13F
Company
|
1.1%
|
$1,701,876,380
13,469,540 shares
|
— | 31 Mar 2026 |
| Nuveen, LLC |
13F
Company
|
1.1%
|
$1,658,022,924
13,122,461 shares
|
— | 31 Mar 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
Company
|
0.98%
|
$1,501,610,239
11,884,529 shares
|
— | 31 Mar 2026 |
| Invesco Ltd. |
13F
Company
|
0.97%
|
$1,488,043,109
11,777,152 shares
|
— | 31 Mar 2026 |
| GOLDMAN SACHS GROUP INC |
13F
Company
|
0.94%
|
$1,441,233,273
11,406,674 shares
|
— | 31 Mar 2026 |
| JENNISON ASSOCIATES LLC |
13F
Company
|
0.84%
|
$1,293,637,018
10,238,520 shares
|
— | 31 Mar 2026 |
| ROYAL BANK OF CANADA |
13F
Company
|
0.8%
|
$1,234,197,000
9,768,089 shares
|
— | 31 Mar 2026 |
| JANUS HENDERSON GROUP PLC |
13F
Company
|
0.78%
|
$1,195,087,777
9,458,488 shares
|
— | 31 Mar 2026 |
| FRANKLIN RESOURCES INC |
13F
Company
|
0.77%
|
$1,175,918,815
9,306,837 shares
|
— | 31 Mar 2026 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
Company
|
0.76%
|
$1,173,439,741
9,287,216 shares
|
— | 31 Mar 2026 |
| Legal & General Group Plc |
13F
Company
|
0.67%
|
$1,025,204,413
8,114,004 shares
|
— | 31 Mar 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
Company
|
0.61%
|
$933,751,896
7,390,201 shares
|
— | 31 Mar 2026 |
| VANGUARD FIDUCIARY TRUST CO |
13F
Company
|
0.58%
|
$895,835,525
7,090,111 shares
|
— | 31 Mar 2026 |
| WELLS FARGO & COMPANY/MN |
13F
Company
|
0.58%
|
$893,007,248
7,067,726 shares
|
— | 31 Mar 2026 |
| VICTORY CAPITAL MANAGEMENT INC |
13F
Company
|
0.53%
|
$813,956,925
6,442,036 shares
|
— | 31 Mar 2026 |
| DEUTSCHE BANK AG\ |
13F
Company
|
0.53%
|
$809,391,402
6,405,947 shares
|
— | 31 Mar 2026 |
| Amundi |
13F
Individual
|
0.52%
|
$806,279,793
6,381,320 shares
|
— | 31 Mar 2026 |
| UBS Group AG |
13F
Company
|
0.52%
|
$796,424,229
6,303,318 shares
|
— | 31 Mar 2026 |
| Neuberger Berman Group LLC |
13F
Company
|
0.49%
|
$746,237,493
5,906,177 shares
|
— | 31 Mar 2026 |
| AQR CAPITAL MANAGEMENT LLC |
13F
Company
|
0.46%
|
$697,112,610
5,649,669 shares
|
— | 31 Mar 2026 |
| Se Flossbach von Storch |
13F
Individual
|
0.46%
|
$703,598,801
5,568,649 shares
|
— | 31 Mar 2026 |
| AMERICAN CENTURY COMPANIES INC |
13F
Company
|
0.44%
|
$670,647,606
5,307,856 shares
|
— | 31 Mar 2026 |
| ENVESTNET ASSET MANAGEMENT INC |
13F
Company
|
0.43%
|
$661,023,285
5,231,684 shares
|
— | 31 Mar 2026 |
| BARCLAYS PLC |
13F
Company
|
0.41%
|
$635,254,193
5,027,734 shares
|
— | 31 Mar 2026 |
| VOYA INVESTMENT MANAGEMENT LLC |
13F
Company
|
0.39%
|
$594,080,770
4,701,866 shares
|
— | 31 Mar 2026 |
| ALKEON CAPITAL MANAGEMENT LLC |
13F
Company
|
0.38%
|
$583,477,730
4,617,948 shares
|
— | 31 Mar 2026 |
| EDGEWOOD MANAGEMENT LLC |
13F
Company
|
0.38%
|
$581,772,131
4,604,449 shares
|
— | 31 Mar 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
0.36%
|
$546,462,884
4,327,082 shares
|
— | 31 Mar 2026 |
| AXIOM INVESTORS LLC /DE |
13F
Company
|
0.35%
|
$539,184,347
4,267,387 shares
|
— | 31 Mar 2026 |
| SG Americas Securities, LLC |
13F
Company
|
0.34%
|
$525,510,000
4,159,165 shares
|
— | 31 Mar 2026 |
| Sumitomo Mitsui Trust Group, Inc. |
13F
Company
|
0.34%
|
$522,641,974
4,136,462 shares
|
— | 31 Mar 2026 |
| ALLIANCEBERNSTEIN L.P. |
13F
Company
|
0.34%
|
$550,689,013
4,074,952 shares
|
— | 31 Mar 2026 |
| Mawer Investment Management Ltd. |
13F
Company
|
0.33%
|
$503,727,252
3,986,761 shares
|
— | 31 Mar 2026 |
| STIFEL FINANCIAL CORP |
13F
Company
|
0.3%
|
$468,470,378
3,707,682 shares
|
— | 31 Mar 2026 |
AMPHENOL CORP /DE/ executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Martin H. Loeffler | Director | $185,760,563 | Mixed | 10 Dec 2025 | ||
| Richard Adam Norwitt | President & CEO, Director | $109,690,119 | -$108,286,629 | -50% | Median | 22 May 2026 |
| Edward G. Jepsen | Director | $54,410,097 | Mixed | 17 May 2024 | ||
| Craig A. Lampo | Executive VP & CFO | $53,951,184 | -$84,195,540 | -61% | Mixed | 22 May 2026 |
| Luc Walter | President, HES Division | $44,695,301 | -$75,311,953 | -63% | Median | 22 May 2026 |
| Michael R. Ivas | SVP & Corporate Controller | $23,329,642 | -$42,814,816 | -65% | Median | 22 May 2026 |
| Robert Livingston | Director | $17,446,408 | +$1,285,080 | +8% | Median | 22 May 2026 |
| Lance E. D'Amico | EVP, Secretary & GenCounsel | $12,811,889 | -$24,295,703 | -65% | Median | 22 May 2026 |
| David P. Falck | Director | $11,977,221 | Median | 22 May 2026 | ||
| David M. Silverman | EVP, Human Resources | $9,397,534 | -$36,891,852 | -80% | Mixed | 22 May 2026 |
| Martin Booker | VP & Grp General Mgr, AIPG | $6,422,109 | Mixed | 27 Aug 2021 | ||
| Richard Gu | VP,Grp GM Mobile Consumer Prod | $5,772,034 | Mixed | 20 May 2021 | ||
| Dieter Ehrmanntraut | VP & Grp GM, Automotive Prod | $5,593,020 | Mixed | 20 May 2021 | ||
| Anne Clarke Wolff | Director | $5,199,807 | Median | 22 May 2026 | ||
| Jean-Luc Gavelle | President, ISS Division | $4,580,232 | Mixed | 31 Aug 2023 | ||
| Stanley L. Clark | Director | $3,230,903 | Mixed | 31 Dec 2022 | ||
| Rita S. Lane | Director | $3,139,292 | Median | 22 May 2026 | ||
| Nancy A. Altobello | Director | $2,380,686 | Median | 22 May 2026 | ||
| Prahlad R. Singh | Director | $1,437,357 | Median | 22 May 2026 | ||
| John D. Craig | Director | $1,198,143 | Mixed | 20 May 2021 | ||
| Sanjiv Lamba | Director | $143,904 | Mixed | 22 May 2026 | ||
| Peter Straub | President, ISS Division | $0 | -$28,458,782 | -100% | Mixed | 22 May 2026 |
| William J. Doherty | President, CS Division | $0 | -$61,737,261 | -100% | Mixed | 22 May 2026 |
Recent Insider Transactions by Companies or Individuals for AMPHENOL CORP /DE/
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Luc Walter | APH | Stock Option | Award | 108,809 | 108,809 | 22 May 2026 | Direct | |||
| Peter Straub | APH | Stock Option | Award | 108,809 | 108,809 | 22 May 2026 | Direct | |||
| David M. Silverman | APH | Stock Option | Award | 70,690 | 70,690 | 22 May 2026 | Direct | |||
| Richard Adam Norwitt | APH | Stock Option | Award | 464,989 | 464,989 | 22 May 2026 | Direct | |||
| Craig A. Lampo | APH | Stock Option | Award | 133,161 | 133,161 | 22 May 2026 | Direct | |||
| Michael R. Ivas | APH | Stock Option | Award | 51,134 | 51,134 | 22 May 2026 | Direct | |||
| William J. Doherty | APH | Stock Option | Award | 108,809 | 108,809 | 22 May 2026 | Direct | |||
| Lance E. D'Amico | APH | Stock Option | Award | 83,020 | 83,020 | 22 May 2026 | Direct | |||
| Anne Clarke Wolff | APH | Restricted Stock | Award | 1,552 | 1,552 | 22 May 2026 | Direct | |||
| Prahlad R. Singh | APH | Restricted Stock | Award | 1,552 | 1,552 | 22 May 2026 | Direct | |||
| Robert Livingston | APH | Restricted Stock | Award | 1,552 | 1,552 | 22 May 2026 | Direct | |||
| Rita S. Lane | APH | Restricted Stock | Award | 1,552 | 1,552 | 22 May 2026 | Direct | |||
| Sanjiv Lamba | APH | Restricted Stock | Award | 1,552 | 1,552 | 22 May 2026 | Direct | |||
| David P. Falck | APH | Restricted Stock | Award | 1,552 | 1,552 | 22 May 2026 | Direct | |||
| Nancy A. Altobello | APH | Restricted Stock | Award | 1,552 | 1,552 | 22 May 2026 | Direct | |||
| Craig A. Lampo | APH | Class A Common Stock | Other | -36.8% | -41,203 | 70,907 | 20 May 2026 | Direct | ||
| Lance E. D'Amico | APH | Stock Option | Gift | 64,594 | 43,086 | 20 May 2026 | By Lance E. D'Amico 2024 Irrevocable Trust | |||
| Lance E. D'Amico | APH | Stock Option | Gift | -50% | -64,594 | 64,630 | 20 May 2026 | Direct | ||
| Craig A. Lampo | APH | Stock Option | Gift | 301.3% | 103,607 | 137,997 | 19 May 2026 | Direct | ||
| Richard Adam Norwitt | APH | Class A Common Stock | Sale | -0.9% | $2,506,107 | $143.21 | -17,500 | 1,927,507 | 05 May 2026 | Direct |
| Richard Adam Norwitt | APH | Class A Common Stock | Options Exercise | 0.91% | 17,500 | 1,945,007 | 05 May 2026 | Direct | ||
| Richard Adam Norwitt | APH | Stock Option | Options Exercise | -1.91% | -17,500 | 899,788 | 05 May 2026 | Direct | ||
| Richard Adam Norwitt | APH | Class A Common Stock | Sale | -2.64% | $7,414,998 | $142.04 | -52,203 | 1,927,507 | 04 May 2026 | Direct |
| Richard Adam Norwitt | APH | Class A Common Stock | Options Exercise | 2.71% | 52,203 | 1,979,710 | 04 May 2026 | Direct | ||
| Richard Adam Norwitt | APH | Stock Option | Options Exercise | -5.38% | -52,203 | 917,288 | 04 May 2026 | Direct | ||
| Richard Adam Norwitt | APH | Class A Common Stock | Sale | -3.07% | $8,787,962 | $143.90 | -61,072 | 1,927,507 | 01 May 2026 | Direct |
| Richard Adam Norwitt | APH | Class A Common Stock | Options Exercise | 3.17% | 61,072 | 1,988,579 | 01 May 2026 | Direct | ||
| Richard Adam Norwitt | APH | Stock Option | Options Exercise | -5.93% | -61,072 | 969,491 | 01 May 2026 | Direct | ||
| Craig A. Lampo | APH | Class A Common Stock | Sale | -47.2% | $14,998,130 | $149.98 | -100,000 | 112,110 | 18 Feb 2026 | Direct |
| Craig A. Lampo | APH | Class A Common Stock | Options Exercise | 89.2% | 100,000 | 212,110 | 18 Feb 2026 | Direct | ||
| Craig A. Lampo | APH | Stock Option | Options Exercise | -100% | -100,000 | 0 | 18 Feb 2026 | Direct | ||
| Lance E. D'Amico | APH | Class A Common Stock | Sale | -46.7% | $7,494,155 | $149.88 | -50,000 | 57,065 | 18 Feb 2026 | Direct |
| Lance E. D'Amico | APH | Class A Common Stock | Options Exercise | 87.6% | 50,000 | 107,065 | 18 Feb 2026 | Direct | ||
| Lance E. D'Amico | APH | Stock Option | Options Exercise | -50% | -50,000 | 50,000 | 18 Feb 2026 | Direct | ||
| Richard Adam Norwitt | APH | Class A Common Stock | Sale | -9.72% | $13,694,398 | $147.17 | -93,052 | 864,177 | 12 Feb 2026 | By Norwitt Family Trust |
| Richard Adam Norwitt | APH | Class A Common Stock | Options Exercise | 10.8% | 93,052 | 957,229 | 12 Feb 2026 | By Norwitt Family Trust | ||
| Richard Adam Norwitt | APH | Class A Common Stock | Sale | -21.1% | $75,883,166 | $147.27 | -515,281 | 1,927,507 | 12 Feb 2026 | Direct |
| Richard Adam Norwitt | APH | Class A Common Stock | Options Exercise | 26.7% | 515,281 | 2,442,788 | 12 Feb 2026 | Direct | ||
| Richard Adam Norwitt | APH | Stock Option | Options Exercise | -33.3% | -93,052 | 186,104 | 12 Feb 2026 | By Norwitt Family Trust | ||
| Richard Adam Norwitt | APH | Stock Option | Options Exercise | -33.3% | -515,281 | 1,030,563 | 12 Feb 2026 | Direct | ||
| Robert Livingston | APH | Class A Common Stock | Purchase | 7.95% | $1,285,080 | $128.51 | 10,000 | 135,720 | 05 Feb 2026 | Direct |
| Michael R. Ivas | APH | Class A Common Stock | Gift | 25,000 | 25,000 | 04 Feb 2026 | By Michael Ivas 2026 GRAT #1 | |||
| Michael R. Ivas | APH | Class A Common Stock | Gift | -13.9% | -25,000 | 154,948 | 04 Feb 2026 | Direct | ||
| Michael R. Ivas | APH | Class A Common Stock | Options Exercise | 16.1% | 25,000 | 179,948 | 04 Feb 2026 | Direct | ||
| Michael R. Ivas | APH | Stock Option | Options Exercise | -11% | -25,000 | 203,000 | 04 Feb 2026 | Direct | ||
| Michael R. Ivas | APH | Class A Common Stock | Gift | 1.66% | 2,536 | 154,948 | 29 Jan 2026 | Direct | ||
| Sanjiv Lamba | APH | Restricted Stock | Award | 548 | 548 | 08 Jan 2026 | Direct | |||
| Martin H. Loeffler | APH | Class A Common Stock | Gift | -0.24% | -3,228 | 1,333,146 | 10 Dec 2025 | By Revocable Trust | ||
| Richard Adam Norwitt | APH | Class A Common Stock | Gift | -3.75% | -75,000 | 1,927,507 | 09 Dec 2025 | Direct | ||
| Craig A. Lampo | APH | Class A Common Stock | Gift | 70,000 | 70,000 | 03 Dec 2025 | By Craig A. Lampo 2025 GRAT #2 |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.