According to recent filings covering the 90 days ending February 07, 2026, the three most significant insider holders at Teradyne are Ceo Mark E Jagiela (208.60K shares), President And Ceo Gregory Stephen Smith (128.47K shares), Director Paul J Tufano (64.86K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Mark E Jagiela | Ceo | 208,600 | 31 Jan, 2023 |
| Gregory Stephen Smith | President And Ceo | 128,470 | 06 Feb, 2026 |
| Paul J Tufano | 64,861 | 19 Dec, 2025 | |
| Timothy E Guertin | 62,729 | 19 Mar, 2024 | |
| Brad Robbins | President And Litepoint Corp. | 52,772 | 31 Jan, 2024 |
| Edwin J Gillis | 43,921 | 21 Mar, 2023 | |
| Walter G. Vahey | Exec. Vp And Corp. Development | 41,570 | 01 Feb, 2022 |
| Sanjay Mehta | Vp And Chief Financial Officer | 36,576 | 05 Feb, 2025 |
| Richard John Burns | President And Semiconductor Test | 25,191 | 05 Feb, 2025 |
| Michael A Bradley | 24,815 | 17 Dec, 2021 | |
| Charles Jeffrey Gray | Vp And General Counsel And Secretary | 24,643 | 31 Jan, 2024 |
| Marilyn Matz | 19,173 | 13 May, 2025 | |
| Shannon John Poulin | President And Semiconductor Test | 17,236 | 06 Feb, 2026 |
| Ujjwal Kumar | President And Teradyne Robotics | 16,369 | 05 Aug, 2025 |
| Peter Herweck | 15,369 | 19 Dec, 2025 | |
| John Francis Wood | President And System Test Group | 14,137 | 04 Feb, 2025 |
| Regan Mills | President And Product Test | 12,677 | 06 Feb, 2026 |
| Michelle L. Turner | Chief Financial Officer | 11,260 | 05 Nov, 2025 |
| Jean Pierre Hathout | President And Teradyne Robotics | 10,174 | 06 Feb, 2026 |
| Ernest E Maddock | 9,595 | 19 Dec, 2025 | |
| Ryan Driscoll | Vp And General Counsel And Secretary | 8,345 | 06 Feb, 2026 |
| Mercedes Johnson | 7,613 | 06 Feb, 2026 | |
| Kralingen Bridget A Van | 5,556 | 13 May, 2025 | |
| Ford Tamer | 5,359 | 16 May, 2023 | |
| John Lukez | President And Litepoint Corp. | 4,185 | 04 Feb, 2025 |
| Andrew Chisholm Henry | 2,132 | 03 Jul, 2025 | |
| Necip Sayiner | 2,132 | 03 Jul, 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 |
|---|---|---|---|---|---|---|---|---|
| 05 Feb, 2026 | Mercedes Johnson | Common Stock | D | 625 | $266.98 | 7,613 | D | S |
| 04 Feb, 2026 | Ryan Driscoll | Common Stock | A | 1,784 | $0.00 | 8,345 | D | A |
| 04 Feb, 2026 | Gregory Stephen Smith | Common Stock | A | 13,380 | $0.00 | 128,470 | D | A |
| 04 Feb, 2026 | Regan Mills | Common Stock | A | 1,004 | $0.00 | 12,677 | D | A |
| 04 Feb, 2026 | Shannon John Poulin | Common Stock | A | 4,460 | $0.00 | 17,236 | D | A |
| 04 Feb, 2026 | Jean Pierre Hathout | Common Stock | A | 1,004 | $0.00 | 10,174 | D | A |
| 02 Feb, 2026 | Ryan Driscoll | Common Stock | D | 414 | $249.53 | 6,561 | D | F |
| 02 Feb, 2026 | Gregory Stephen Smith | Common Stock | D | 6,763 | $249.53 | 115,090 | D | F |
| 02 Feb, 2026 | Regan Mills | Common Stock | D | 345 | $249.53 | 11,673 | D | F |
| 02 Feb, 2026 | Jean Pierre Hathout | Common Stock | D | 381 | $249.53 | 9,170 | D | F |
| 28 Jan, 2026 | Ryan Driscoll | Common Stock | D | 82 | $250.48 | 6,975 | D | F |
| 28 Jan, 2026 | Gregory Stephen Smith | Common Stock | D | 486 | $250.48 | 121,853 | D | F |
| 28 Jan, 2026 | Regan Mills | Common Stock | D | 167 | $250.48 | 12,018 | D | F |
| 27 Jan, 2026 | Ryan Driscoll | Common Stock | D | 113 | $238.94 | 7,057 | D | F |
| 27 Jan, 2026 | Gregory Stephen Smith | Common Stock | A | 59,475 | $0.00 | 152,949 | D | A |
| 27 Jan, 2026 | Gregory Stephen Smith | Common Stock | D | 30,610 | $238.94 | 122,339 | D | F |
| 27 Jan, 2026 | Regan Mills | Common Stock | D | 193 | $238.94 | 12,185 | D | F |
| 05 Jan, 2026 | Mercedes Johnson | Common Stock | D | 625 | $211.85 | 8,238 | D | S |
| 17 Dec, 2025 | Paul J Tufano | Common Stock | A | 256 | $0.00 | 64,825 | D | A |
| 17 Dec, 2025 | Paul J Tufano | Common Stock | A | 36 | $0.00 | 64,861 | D | J |