Ametek's top three insider shareholders as of September 09, 2026 are William Joseph Burke (Executive Vp Cfo, 105.90K shares), William Joseph Burke (Executive Vp Cfo, 105.90K shares), John Wesley Hardin (Pres. Electronic Instruments, 67.86K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | William Joseph Burke | Executive Vp Cfo | 121,679 | 0 | 121,679 | 16.2% | 25 Mar, 2024 |
| 2 | John Wesley Hardin | Pres. Electronic Instruments | 91,018 | 526 | 91,544 | 12.2% | 23 Mar, 2026 |
| 3 | William D Eginton | Senior Vp Corp. Development | 83,713 | 5,132 | 88,845 | 11.9% | 23 Mar, 2023 |
| 4 | Tony J Ciampitti | Pres. Electronic Instruments | 65,219 | 2,776 | 67,995 | 9.1% | 23 Mar, 2026 |
| 5 | Thomas C Marecic | Pres. Electronic Instruments | 58,697 | 3,048 | 61,745 | 8.2% | 23 Mar, 2026 |
| 6 | Ronald J Oscher | Chief Administrative Officer | 7,784 | 40,870 | 48,654 | 6.5% | 28 May, 2026 |
| 7 | Robert Amodei | Senior Vp, Controller | 44,110 | 0 | 44,110 | 5.9% | 23 Mar, 2026 |
| 8 | David F. Hermance | President Electromechanical | 43,502 | 484 | 43,986 | 5.9% | 10 Aug, 2026 |
| 9 | Timothy N Jones | President Electromechanical | 35,574 | 0 | 35,574 | 4.7% | 31 Aug, 2021 |
| 10 | Emanuela Speranza | Chief Commercial Officer | 30,516 | 0 | 30,516 | 4.1% | 23 Mar, 2026 |
| 11 | Anthony James Conti | Director | 30,298 | 0 | 30,298 | 4.0% | 18 Mar, 2026 |
| 12 | Thomas M Montgomery | Sr. Vp. Comptroller | 25,380 | 3,441 | 28,821 | 3.8% | 29 Dec, 2025 |
| 13 | Steven W Kohlhagen | Director | 22,029 | 0 | 22,029 | 2.9% | 04 Mar, 2025 |
| 14 | Dalip Puri | Executive Vp Cfo | 11,528 | 0 | 11,528 | 1.5% | 23 Mar, 2026 |
| 15 | Thomas A Amato | Director | 3,980 | 7,000 | 10,980 | 1.5% | 25 Mar, 2026 |
| 16 | Karleen Marie Oberton | Director | 5,640 | 0 | 5,640 | 0.8% | 18 Mar, 2026 |
| 17 | Dean Seavers | Director | 5,600 | 0 | 5,600 | 0.7% | 18 Mar, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 11 Aug, 2026 | Nick L Stanage | Director | Acquired P | 4,000 | $255.85 | $1.02Mn | 4,760 | Direct |
| 07 Aug, 2026 | David F. Hermance | President Electromechanical | Acquired M | 6,608 | $85.45 | $564.65K | 49,117 | Direct |
| 07 Aug, 2026 | David F. Hermance | President Electromechanical | Disposed S | 6,608 | $254.00 | $1.68Mn | 42,509 | Direct |
| 07 Aug, 2026 | David F. Hermance | President Electromechanical | Disposed M | 6,608 | $0.00 | $0 | 0 | Direct |
| 27 May, 2026 | Ronald J Oscher | Chief Administrative Officer | Disposed J | 39,954 | $0.00 | $0 | 2,887 | Direct |
| 27 May, 2026 | Ronald J Oscher | Chief Administrative Officer | Acquired J | 39,954 | $0.00 | $0 | 39,954 | Indirect |
| 07 May, 2026 | Nick L Stanage | Director | Acquired A | 760 | $234.73 | $178.39K | 760 | Direct |
| 24 Mar, 2026 | Thomas A Amato | Director | Disposed S | 530 | $216.78 | $114.89K | 4,480 | Direct |
| 24 Mar, 2026 | Thomas A Amato | Director | Disposed J | 500 | $0.00 | $0 | 3,980 | Direct |
| 24 Mar, 2026 | Thomas A Amato | Director | Acquired J | 500 | $0.00 | $0 | 7,000 | Indirect |
| 19 Mar, 2026 | John Wesley Hardin | Pres. Electronic Instruments | Disposed F | 178 | $211.50 | $37.65K | 68,138 | Direct |
| 19 Mar, 2026 | Emanuela Speranza | Chief Commercial Officer | Acquired M | 230 | $0.00 | $0 | 30,431 | Direct |
| 19 Mar, 2026 | John Wesley Hardin | Pres. Electronic Instruments | Disposed F | 178 | $211.50 | $37.65K | 68,138 | Direct |
| 19 Mar, 2026 | John Wesley Hardin | Pres. Electronic Instruments | Disposed F | 178 | $211.50 | $37.65K | 68,138 | Direct |
| 19 Mar, 2026 | Emanuela Speranza | Chief Commercial Officer | Acquired M | 230 | $0.00 | $0 | 30,431 | Direct |
| 19 Mar, 2026 | David F. Hermance | President Electromechanical | Disposed F | 186 | $211.50 | $39.34K | 42,792 | Direct |
| 19 Mar, 2026 | Thomas C Marecic | Pres. Electronic Instruments | Disposed F | 186 | $211.50 | $39.34K | 45,347 | Direct |
| 19 Mar, 2026 | Robert Amodei | Senior Vp, Controller | Disposed F | 48 | $211.50 | $10.15K | 44,173 | Direct |
| 19 Mar, 2026 | David F. Hermance | President Electromechanical | Disposed F | 186 | $211.50 | $39.34K | 42,792 | Direct |
| 19 Mar, 2026 | Robert Amodei | Senior Vp, Controller | Disposed F | 48 | $211.50 | $10.15K | 44,173 | Direct |