Data spanning the past 90 days through February 19, 2026 reveals that Ametek's three principal insider shareholders consist of Chief Executive Officer David A Zapico (345.44K shares), Executive Vp Cfo William Joseph Burke (105.90K shares), Senior Vp Corp. Development William D Eginton (57.30K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| David A Zapico | Chief Executive Officer | 345,441 | 12 Dec, 2025 |
| William Joseph Burke | Executive Vp Cfo | 105,903 | 25 Mar, 2024 |
| William D Eginton | Senior Vp Corp. Development | 57,297 | 23 Mar, 2023 |
| Tony J Ciampitti | Pres. Electronic Instruments | 55,856 | 24 Mar, 2025 |
| Thomas C Marecic | Pres. Electronic Instruments | 45,618 | 16 Dec, 2025 |
| Ronald J Oscher | Chief Administrative Officer | 41,136 | 03 Nov, 2025 |
| David F. Hermance | President Electromechanical | 40,646 | 24 Mar, 2025 |
| Timothy N Jones | President Electromechanical | 35,574 | 31 Aug, 2021 |
| Anthony James Conti | 29,348 | 18 Mar, 2025 | |
| Emanuela Speranza | Chief Commercial Officer | 28,293 | 13 Nov, 2025 |
| Thomas M Montgomery | Sr. Vp. Comptroller | 25,538 | 29 Dec, 2025 |
| Ruby R Chandy | 24,884 | 17 Nov, 2021 | |
| John Wesley Hardin | Pres. Electronic Instruments | 23,609 | 12 Sep, 2025 |
| Steven W Kohlhagen | 22,029 | 04 Mar, 2025 | |
| Gretchen W Mcclain | 18,031 | 18 Mar, 2025 | |
| Thomas A Amato | 10,560 | 28 Mar, 2025 | |
| Tod E. Carpenter | 9,530 | 19 Mar, 2025 | |
| Dalip Puri | Executive Vp Cfo | 8,117 | 24 Mar, 2025 |
| Karleen Marie Oberton | 4,690 | 31 Dec, 2025 | |
| Dean Seavers | 4,650 | 18 Mar, 2025 | |
| Suzanne Stefany | 4,080 | 18 Mar, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 30 Dec, 2025 | Karleen Marie Oberton | Common Stock | D | 1,250 | $0.00 | 4,690 | D | G |
| 26 Dec, 2025 | Thomas M Montgomery | Common Stock | D | 19 | $0.00 | 22,097 | D | G |
| 22 Dec, 2025 | Thomas M Montgomery | 401k Plan | A | 6,388 | $85.45 | 3,441 | I | M |
| 22 Dec, 2025 | Thomas M Montgomery | Common Stock/ Serp | D | 6,388 | $205.05 | 3,283 | D | S |
| 15 Dec, 2025 | Thomas C Marecic | Common Stock | A | 14,310 | $63.37 | 56,899 | D | M |
| 15 Dec, 2025 | Thomas C Marecic | Common Stock | D | 14,310 | $202.11 | 42,589 | D | S |
| 12 Dec, 2025 | David A Zapico | Common Stock | D | 3,514 | $0.00 | 345,441 | D | G |
| 12 Dec, 2025 | David A Zapico | Common Stock | D | 28,390 | $0.00 | 317,051 | D | G |
| 12 Dec, 2025 | David A Zapico | Common Stock | D | 28,390 | $201.76 | 28,390 | I | S |
| 25 Nov, 2025 | David A Zapico | Common Stock | D | 7,432 | $194.89 | 429,523 | D | S |
| 25 Nov, 2025 | David A Zapico | Common Stock | D | 54,753 | $196.86 | 348,955 | D | S |
| 25 Nov, 2025 | David A Zapico | Common Stock | D | 25,815 | $195.82 | 403,708 | D | S |
| 25 Nov, 2025 | David A Zapico | Common Stock | A | 88,000 | $63.37 | 436,955 | D | M |
| 12 Nov, 2025 | Emanuela Speranza | Common Stock | D | 2,700 | $200.00 | 28,293 | D | S |
| 31 Oct, 2025 | Ronald J Oscher | Common Stock | A | 11,980 | $85.45 | 66,516 | D | M |
| 31 Oct, 2025 | Ronald J Oscher | Common Stock | A | 14,310 | $63.37 | 54,536 | D | M |
| 31 Oct, 2025 | Ronald J Oscher | Common Stock | D | 26,290 | $200.05 | 40,226 | D | S |
| 12 Sep, 2025 | John Wesley Hardin | - | - | 23,084 | D | |||
| 12 Sep, 2025 | John Wesley Hardin | - | - | 525 | I | |||
| 12 Sep, 2025 | John Wesley Hardin | 401k Plan | A | 2 | $0.00 | 525 | I | J |