Teradyne's three largest insider shareholders as of April 25, 2026 are Mark E Jagiela (Ceo, 208.60K shares), Gregory Stephen Smith (President And Ceo, 128.47K shares), Paul J Tufano (Director, 65.05K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Mark E Jagiela | Ceo | 208,600 | 0 | 31 Jan, 2023 |
| Gregory Stephen Smith | President And Ceo | 128,470 | 0 | 06 Feb, 2026 |
| Paul J Tufano | - | 65,045 | 0 | 30 Mar, 2026 |
| Paul J Tufano | - | 65,045 | 0 | 30 Mar, 2026 |
| Timothy E Guertin | - | 62,729 | 0 | 19 Mar, 2024 |
| Brad Robbins | President, Litepoint Corp. | 52,772 | 0 | 31 Jan, 2024 |
| Edwin J Gillis | - | 43,921 | 0 | 21 Mar, 2023 |
| Walter G. Vahey | Exec. Vp, Corp. Development | 41,570 | 0 | 01 Feb, 2022 |
| Walter G. Vahey | Exec. Vp, Corp. Development | 41,570 | 0 | 01 Feb, 2022 |
| Sanjay Mehta | Vp And Chief Financial Officer | 36,576 | 0 | 05 Feb, 2025 |
| Richard John Burns | President, Semiconductor Test | 25,191 | 0 | 05 Feb, 2025 |
| Michael A Bradley | Ceo | 24,815 | 0 | 17 Dec, 2021 |
| Charles Jeffrey Gray | Vp, General Counsel, Secretary | 24,643 | 0 | 31 Jan, 2024 |
| Marilyn Matz | - | 19,173 | 0 | 13 May, 2025 |
| Ujjwal Kumar | President, Teradyne Robotics | 16,369 | 0 | 05 Aug, 2025 |
| Shannon John Poulin | President, Semiconductor Test | 16,074 | 0 | 03 Apr, 2026 |
| Peter Herweck | - | 15,466 | 0 | 30 Mar, 2026 |
| John Francis Wood | President, System Test Group | 14,137 | 0 | 04 Feb, 2025 |
| John Francis Wood | President, System Test Group | 14,137 | 0 | 04 Feb, 2025 |
| Regan Mills | President, Product Test | 11,399 | 0 | 09 Apr, 2026 |
| Michelle L. Turner | Chief Financial Officer | 11,260 | 0 | 05 Nov, 2025 |
| Michelle L. Turner | Chief Financial Officer | 11,260 | 0 | 05 Nov, 2025 |
| Jean Pierre Hathout | President, Teradyne Robotics | 10,174 | 0 | 06 Feb, 2026 |
| Ernest E Maddock | - | 9,597 | 0 | 17 Mar, 2026 |
| Ryan Driscoll | Vp, General Counsel, Secretary | 8,345 | 0 | 06 Feb, 2026 |
| Mercedes Johnson | - | 6,363 | 0 | 07 Apr, 2026 |
| Kralingen Bridget A Van | - | 5,556 | 0 | 13 May, 2025 |
| Kralingen Bridget A Van | - | 5,556 | 0 | 13 May, 2025 |
| John Lukez | President, Litepoint Corp. | 4,185 | 0 | 04 Feb, 2025 |
| Andrew Chisholm Henry | - | 2,207 | 0 | 30 Mar, 2026 |
| Necip Sayiner | - | 2,132 | 0 | 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 |
|---|---|---|---|---|---|---|---|---|
| 08 Apr, 2026 | Regan Mills | Common Stock | D | 16 | $342.17 | 11,399 | D | S |
| 06 Apr, 2026 | Mercedes Johnson | Common Stock | D | 625 | $312.20 | 6,363 | D | S |
| 01 Apr, 2026 | Shannon John Poulin | Common Stock | D | 1,162 | $312.20 | 16,074 | D | F |
| 01 Apr, 2026 | Regan Mills | Common Stock | D | 222 | $312.20 | 11,667 | D | F |
| 02 Apr, 2026 | Regan Mills | Common Stock | D | 252 | $290.88 | 11,415 | D | S |
| 26 Mar, 2026 | Paul J Tufano | Common Stock | A | 159 | $0.00 | 65,045 | D | A |
| 26 Mar, 2026 | Peter Herweck | Common Stock | A | 92 | $0.00 | 15,466 | D | A |
| 26 Mar, 2026 | Paul J Tufano | Common Stock | A | 159 | $0.00 | 65,045 | D | A |
| 26 Mar, 2026 | Andrew Chisholm Henry | Common Stock | A | 75 | $0.00 | 2,207 | D | A |
| 13 Mar, 2026 | Ernest E Maddock | Common Stock | A | 2 | $0.00 | 9,597 | D | J |
| 13 Mar, 2026 | Paul J Tufano | Common Stock | A | 25 | $0.00 | 64,886 | D | J |
| 13 Mar, 2026 | Peter Herweck | Common Stock | A | 5 | $0.00 | 15,374 | D | J |
| 13 Mar, 2026 | Paul J Tufano | Common Stock | A | 25 | $0.00 | 64,886 | D | J |
| 05 Mar, 2026 | Mercedes Johnson | Common Stock | D | 625 | $299.20 | 6,988 | D | S |
| 25 Feb, 2026 | Regan Mills | Common Stock | D | 788 | $332.87 | 11,889 | D | S |
| 04 Feb, 2026 | Jean Pierre Hathout | Common Stock | A | 1,004 | $0.00 | 10,174 | 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 | 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 |