🕵️ Amphenol Corp /DE/ ($APH)
SEC insider & ownership activity, last 12 months · CIK 820313 · every row links its SEC filing
Over the last 12 months insiders sold $423.4M against $1.3M of open-market buying. Norwitt Richard Adam sold $108.3M (Feb–May). 1 planned sale is pending, the largest $7.4M (Richard Adam Norwitt). No red-flag 8-Ks in the window.
🚨 3 signals active —
planned-vs-executed verdicts, pre-event flags, and cluster context live in the
API and the
alerts bot.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $1.3M (1 lots) · 8 sellers, $423.4M (28 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Norwitt Richard Adam | 0 | – | 5 | $108.3M | May 5, 2026 |
| Craig A. Lampo | 0 | – | 5 | $84.2M | Feb 18, 2026 |
| Walter Luc | 0 | – | 2 | $49.2M | Oct 24, 2025 |
| William J. Doherty | 0 | – | 4 | $47.4M | Dec 2, 2025 |
| Michael R. Ivas | 0 | – | 3 | $39.3M | Nov 5, 2025 |
| Lance E. D'Amico | 0 | – | 4 | $38.7M | Feb 18, 2026 |
| Straub Peter | 0 | – | 3 | $28.5M | Dec 2, 2025 |
| David M. Silverman | 0 | – | 2 | $28.0M | Nov 3, 2025 |
| Livingston Robert | 1 | $1.3M | 0 | – | Feb 5, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Vanguard Capital Management | 7.5% | 13G | Apr 29, 2026 | filing ↗ | |
| FMR LLC | 7.1% | 13G | Feb 5, 2026 | filing ↗ | |
| Abigail P. Johnson | 7.1% | 13G | Feb 5, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Richard Adam Norwitt | $2.5M | May 5, 2026 | filing ↗ |
| Richard Adam Norwitt | $7.4M | May 4, 2026 | filing ↗ |
| Richard Adam Norwitt | $8.8M | May 1, 2026 | filing ↗ |
| Lance D Amico | $7.5M | Feb 18, 2026 | filing ↗ |
| Craig Lampo | $15.0M | Feb 18, 2026 | filing ↗ |
| Norwitt Family Trust | $13.7M | Feb 12, 2026 | filing ↗ |
| Richard Adam Norwitt | $75.9M | Feb 12, 2026 | filing ↗ |
| Peter John Straub | $18.7M | Dec 2, 2025 | filing ↗ |
| William Doherty | $11.4M | Dec 2, 2025 | filing ↗ |
| Craig Lampo | $36.9M | Nov 11, 2025 | filing ↗ |
| Lampo Family Trust | $5.8M | Nov 11, 2025 | filing ↗ |
| Michael Ivas | $16.8M | Nov 5, 2025 | filing ↗ |
| David Silverman | $16.9M | Nov 3, 2025 | filing ↗ |
| Michael Ivas | $17.0M | Oct 31, 2025 | filing ↗ |
| Lance D Amico | $16.8M | Oct 29, 2025 | filing ↗ |
| William Doherty | $11.3M | Oct 29, 2025 | filing ↗ |
| Luc Walter | $49.2M | Oct 24, 2025 | filing ↗ |
| Peter John Straub | $9.7M | Sep 8, 2025 | filing ↗ |
| David Silverman | $11.0M | Aug 25, 2025 | filing ↗ |
| Lampo Family Trust | $4.4M | Aug 25, 2025 | filing ↗ |
| Craig Lampo | $22.1M | Aug 22, 2025 | filing ↗ |
| Lance E D'Amico 2024 IRRV Trust | $3.3M | Aug 18, 2025 | filing ↗ |
| Lance D Amico | $11.1M | Aug 18, 2025 | filing ↗ |
| William Doherty | $12.5M | Aug 11, 2025 | filing ↗ |
| Michael Ivas | $5.5M | Aug 8, 2025 | filing ↗ |
| William Doherty | $12.3M | Aug 8, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Jul 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 29, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 21, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 21, 2026 | filing ↗ |
| Material agreement (1.01) | May 12, 2026 | filing ↗ |
| New financial obligation (2.03) | May 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 12, 2026 | filing ↗ |
| Material agreement (1.01) | May 5, 2026 | filing ↗ |
| Other events (8.01) | May 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 5, 2026 | filing ↗ |
| Earnings (2.02) | Apr 29, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 29, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 30, 2026 | filing ↗ |
| New financial obligation (2.03) | Mar 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 30, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 24, 2026 | filing ↗ |
| Other events (8.01) | Mar 24, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 24, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 4, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 4, 2026 | filing ↗ |
| Earnings (2.02) | Jan 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 28, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 9, 2026 | filing ↗ |
| Acquisition or disposition (2.01) | Jan 9, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 9, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jan 8, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 8, 2026 | filing ↗ |