TER · Teradyne Inc. Common Stock
View on chartInsiders & Stakes
| JAGIELA MARK E President and CEO | ▼ Sell | Tax Withholding | 208,600 Shares held | 1/30/2023 | View profile |
| Gregory Stephen Smith President and CEO | ▼ Sell | Open Market | 112,495 Shares held | 8/17/2026 | View profile |
| Paul J. Tufano Director | ▲ Buy | Grant | 65,848 Shares held | 6/25/2026 | View profile |
| Timothy E. Guertin Director | ▼ Sell | Other | 62,729 Shares held | 3/15/2024 | View profile |
| Robbins Brad President, LitePoint Corp. | ▼ Sell | Tax Withholding | 52,772 Shares held | 1/29/2024 | View profile |
| GILLIS EDWIN J Director | ▼ Sell | Other | 43,921 Shares held | 3/17/2023 | View profile |
| Vahey Walter G. Exec. VP, Corp. Development | ▼ Sell | Tax Withholding | 41,570 Shares held | 1/31/2022 | View profile |
| Mehta Sanjay VP and Chief Financial Officer | ▼ Sell | Open Market | 36,576 Shares held | 2/4/2025 | View profile |
| Richard John Burns Director | ▼ Sell | Open Market | 25,191 Shares held | 2/4/2025 | View profile |
| BRADLEY MICHAEL A Director | ▼ Sell | Gift | 24,815 Shares held | 12/16/2021 | View profile |
| Gray Charles Jeffrey VP, General Counsel, Secretary | ▼ Sell | Tax Withholding | 24,643 Shares held | 1/29/2024 | View profile |
| Kumar Ujjwal President, Teradyne Robotics | ▼ Sell | Tax Withholding | 16,369 Shares held | 8/1/2025 | View profile |
| Peter Herweck Director | ▲ Buy | Grant | 16,201 Shares held | 6/25/2026 | View profile |
| Shannon John Poulin President, Semiconductor Test | ▼ Sell | Open Market | 15,722 Shares held | 5/22/2026 | View profile |
| Marilyn Matz Director | ▼ Sell | Open Market | 15,041 Shares held | 8/17/2026 | View profile |
| Wood John Francis President, System Test Group | ▼ Sell | Tax Withholding | 14,137 Shares held | 2/3/2025 | View profile |
| Regan Mills President, Product Test | ▼ Sell | Open Market | 11,399 Shares held | 4/8/2026 | View profile |
| Turner Michelle L. Chief Financial Officer | ▲ Buy | Grant | 11,260 Shares held | 11/3/2025 | View profile |
| Ernest E. Maddock Director | ▼ Sell | Other | 10,267 Shares held | 6/12/2026 | View profile |
| Jean Pierre Hathout President, Teradyne Robotics | ▼ Sell | Tax Withholding | 9,733 Shares held | 6/2/2026 | View profile |
| Ryan Driscoll VP, General Counsel, Secretary | ▼ Sell | Open Market | 7,665 Shares held | 5/7/2026 | View profile |
| Ford Tamer Director | ▲ Buy | Grant | 7,235 Shares held | 5/9/2024 | View profile |
| Mercedes Johnson Director | ▼ Sell | Open Market | 6,531 Shares held | 8/3/2026 | View profile |
| van Kralingen Bridget A Director | ▲ Buy | Grant | 6,224 Shares held | 5/8/2026 | View profile |
| Lukez John President, LitePoint Corp. | ▼ Sell | Tax Withholding | 4,185 Shares held | 2/3/2025 | View profile |
| Andrew Chisholm Henry Director | ▲ Buy | Grant | 2,927 Shares held | 6/25/2026 | View profile |
| Necip Sayiner Director | ▲ Buy | Grant | 2,800 Shares held | 5/8/2026 | View profile |
Transaction History
| Gregory Stephen Smith | ▼ Sell | Open Market | 4,000 | $1.7M | 8/17/2026 |
| Marilyn Matz | ▼ Sell | Open Market | 1,200 | $510K | 8/17/2026 |
| Mercedes Johnson | ▼ Sell | Open Market | 166 | $59K | 8/3/2026 |
| Gregory Stephen Smith | ▼ Sell | Open Market | 4,000 | $1.4M | 7/15/2026 |
| Marilyn Matz | ▼ Sell | Open Market | 1,200 | $428K | 7/15/2026 |
| Mercedes Johnson | ▼ Sell | Open Market | 167 | $77K | 7/1/2026 |
| Paul J. Tufano | ▲ Buy | Grant | 116 | $0 | 6/25/2026 |
| Andrew Chisholm Henry | ▲ Buy | Grant | 52 | $0 | 6/25/2026 |
| Peter Herweck | ▲ Buy | Grant | 63 | $0 | 6/25/2026 |
| Marilyn Matz | ▼ Sell | Open Market | 1,200 | $508K | 6/15/2026 |
| Gregory Stephen Smith | ▼ Sell | Open Market | 4,000 | $1.7M | 6/15/2026 |
| Ernest E. Maddock | ▼ Sell | Other | 2 | $0 | 6/12/2026 |
| Peter Herweck | ▼ Sell | Other | 4 | $0 | 6/12/2026 |
| Paul J. Tufano | ▼ Sell | Other | 19 | $0 | 6/12/2026 |
| Jean Pierre Hathout | ▼ Sell | Tax Withholding | 174 | $68K | 6/2/2026 |
| Mercedes Johnson | ▼ Sell | Open Market | 167 | $62K | 6/2/2026 |
| Jean Pierre Hathout | ▼ Sell | Tax Withholding | 267 | $99K | 6/1/2026 |
| Shannon John Poulin | ▼ Sell | Open Market | 656 | $233K | 5/22/2026 |
| Shannon John Poulin | ▼ Sell | Open Market | 1,008 | $348K | 5/21/2026 |
| Shannon John Poulin | ▲ Buy | Option Exercise | 2,843 | $235K | 5/21/2026 |
| Shannon John Poulin | ▼ Sell | Tax Withholding | 1,531 | $530K | 5/21/2026 |
| Marilyn Matz | ▼ Sell | Open Market | 400 | $140K | 5/21/2026 |
| Gregory Stephen Smith | ▲ Buy | Option Exercise | 4,597 | $331K | 5/15/2026 |
| Gregory Stephen Smith | ▼ Sell | Open Market | 8,597 | $2.9M | 5/15/2026 |
| Marilyn Matz | ▼ Sell | Open Market | 800 | $271K | 5/15/2026 |
| Peter Herweck | ▲ Buy | Grant | 668 | $0 | 5/8/2026 |
| Mercedes Johnson | ▲ Buy | Grant | 668 | $0 | 5/8/2026 |
| Marilyn Matz | ▲ Buy | Grant | 668 | $0 | 5/8/2026 |
| van Kralingen Bridget A | ▲ Buy | Grant | 668 | $0 | 5/8/2026 |
| Paul J. Tufano | ▲ Buy | Grant | 668 | $0 | 5/8/2026 |
| Necip Sayiner | ▲ Buy | Grant | 668 | $0 | 5/8/2026 |
| Ernest E. Maddock | ▲ Buy | Grant | 668 | $0 | 5/8/2026 |
| Andrew Chisholm Henry | ▲ Buy | Grant | 668 | $0 | 5/8/2026 |
| Ryan Driscoll | ▼ Sell | Open Market | 680 | $257K | 5/7/2026 |
| Regan Mills | ▼ Sell | Open Market | 16 | $5K | 4/8/2026 |
| Mercedes Johnson | ▼ Sell | Open Market | 625 | $195K | 4/6/2026 |
| Regan Mills | ▼ Sell | Open Market | 252 | $73K | 4/2/2026 |
| Shannon John Poulin | ▼ Sell | Tax Withholding | 1,162 | $363K | 4/1/2026 |
| Regan Mills | ▼ Sell | Tax Withholding | 222 | $69K | 4/1/2026 |
| Peter Herweck | ▲ Buy | Grant | 92 | $0 | 3/26/2026 |
| Paul J. Tufano | ▲ Buy | Grant | 159 | $0 | 3/26/2026 |
| Andrew Chisholm Henry | ▲ Buy | Grant | 75 | $0 | 3/26/2026 |
| Ernest E. Maddock | ▼ Sell | Other | 2 | $0 | 3/13/2026 |
| Paul J. Tufano | ▼ Sell | Other | 25 | $0 | 3/13/2026 |
| Peter Herweck | ▼ Sell | Other | 5 | $0 | 3/13/2026 |
| Mercedes Johnson | ▼ Sell | Open Market | 625 | $187K | 3/5/2026 |
| Regan Mills | ▼ Sell | Open Market | 788 | $262K | 2/25/2026 |
| Mercedes Johnson | ▼ Sell | Open Market | 625 | $167K | 2/5/2026 |
| Gregory Stephen Smith | ▲ Buy | Grant | 13,380 | $0 | 2/4/2026 |
| Shannon John Poulin | ▲ Buy | Grant | 4,460 | $0 | 2/4/2026 |
| Ryan Driscoll | ▲ Buy | Grant | 1,784 | $0 | 2/4/2026 |
| Regan Mills | ▲ Buy | Grant | 1,004 | $0 | 2/4/2026 |
| Jean Pierre Hathout | ▲ Buy | Grant | 1,004 | $0 | 2/4/2026 |
| Jean Pierre Hathout | ▼ Sell | Tax Withholding | 381 | $95K | 2/2/2026 |
| Regan Mills | ▼ Sell | Tax Withholding | 345 | $86K | 2/2/2026 |
| Gregory Stephen Smith | ▼ Sell | Tax Withholding | 6,763 | $1.7M | 2/2/2026 |
| Ryan Driscoll | ▼ Sell | Tax Withholding | 414 | $103K | 2/2/2026 |
| Gregory Stephen Smith | ▼ Sell | Tax Withholding | 486 | $122K | 1/28/2026 |
| Regan Mills | ▼ Sell | Tax Withholding | 167 | $42K | 1/28/2026 |
| Ryan Driscoll | ▼ Sell | Tax Withholding | 82 | $21K | 1/28/2026 |
| Gregory Stephen Smith | ▲ Buy | Grant | 59,475 | $0 | 1/27/2026 |
| Gregory Stephen Smith | ▼ Sell | Tax Withholding | 30,610 | $7.3M | 1/27/2026 |
| Regan Mills | ▼ Sell | Tax Withholding | 193 | $46K | 1/27/2026 |
| Ryan Driscoll | ▼ Sell | Tax Withholding | 113 | $27K | 1/27/2026 |
| Mercedes Johnson | ▼ Sell | Open Market | 625 | $132K | 1/5/2026 |
| Paul J. Tufano | ▲ Buy | Grant | 256 | $0 | 12/17/2025 |
| Paul J. Tufano | ▼ Sell | Other | 36 | $0 | 12/17/2025 |
| Peter Herweck | ▲ Buy | Grant | 148 | $0 | 12/17/2025 |
| Peter Herweck | ▼ Sell | Other | 7 | $0 | 12/17/2025 |
| Ernest E. Maddock | ▼ Sell | Other | 2 | $0 | 12/17/2025 |
| Gregory Stephen Smith | ▼ Sell | Open Market | 1,108 | $223K | 12/12/2025 |
| Mercedes Johnson | ▼ Sell | Open Market | 625 | $125K | 12/5/2025 |
| Gregory Stephen Smith | ▼ Sell | Open Market | 1,108 | $200K | 11/12/2025 |
| Gregory Stephen Smith | ▲ Buy | Option Exercise | 2,072 | $76K | 11/5/2025 |
| Gregory Stephen Smith | ▼ Sell | Tax Withholding | 1,224 | $217K | 11/5/2025 |
| Mercedes Johnson | ▼ Sell | Open Market | 625 | $111K | 11/5/2025 |
| Turner Michelle L. | ▲ Buy | Grant | 11,144 | $0 | 11/3/2025 |
| Gregory Stephen Smith | ▼ Sell | Open Market | 1,108 | $161K | 10/10/2025 |
| Mercedes Johnson | ▼ Sell | Open Market | 625 | $92K | 10/6/2025 |
| Ernest E. Maddock | ▼ Sell | Other | 3 | $0 | 9/29/2025 |
| Paul J. Tufano | ▼ Sell | Other | 49 | $0 | 9/29/2025 |
| Peter Herweck | ▼ Sell | Other | 9 | $0 | 9/29/2025 |
| Paul J. Tufano | ▲ Buy | Grant | 357 | $0 | 9/25/2025 |
| Peter Herweck | ▲ Buy | Grant | 206 | $0 | 9/25/2025 |
| Gregory Stephen Smith | ▼ Sell | Open Market | 554 | $70K | 9/22/2025 |
| Gregory Stephen Smith | ▼ Sell | Open Market | 554 | $64K | 9/12/2025 |
| Mercedes Johnson | ▼ Sell | Open Market | 625 | $75K | 9/5/2025 |
| Gregory Stephen Smith | ▼ Sell | Open Market | 554 | $59K | 8/12/2025 |
| Mercedes Johnson | ▼ Sell | Open Market | 625 | $66K | 8/5/2025 |
| Kumar Ujjwal | ▼ Sell | Tax Withholding | 657 | $68K | 8/1/2025 |
| Mercedes Johnson | ▼ Sell | Open Market | 1,875 | $198K | 7/30/2025 |
| Gregory Stephen Smith | ▼ Sell | Open Market | 554 | $59K | 7/30/2025 |
| Necip Sayiner | ▲ Buy | Grant | 2,132 | $0 | 7/1/2025 |
| Andrew Chisholm Henry | ▲ Buy | Grant | 2,132 | $0 | 7/1/2025 |
| Paul J. Tufano | ▲ Buy | Grant | 521 | $0 | 6/26/2025 |
| Peter Herweck | ▲ Buy | Grant | 302 | $0 | 6/26/2025 |
| Peter Herweck | ▼ Sell | Other | 15 | $0 | 6/13/2025 |
| Ernest E. Maddock | ▼ Sell | Other | 6 | $0 | 6/13/2025 |
| Paul J. Tufano | ▼ Sell | Other | 79 | $0 | 6/13/2025 |
| van Kralingen Bridget A | ▲ Buy | Grant | 2,971 | $0 | 5/9/2025 |
| Peter Herweck | ▲ Buy | Grant | 2,971 | $0 | 5/9/2025 |
| Ernest E. Maddock | ▲ Buy | Grant | 2,971 | $0 | 5/9/2025 |
| Paul J. Tufano | ▲ Buy | Grant | 2,971 | $0 | 5/9/2025 |
| Mercedes Johnson | ▲ Buy | Grant | 2,971 | $0 | 5/9/2025 |
| Marilyn Matz | ▲ Buy | Grant | 2,971 | $0 | 5/9/2025 |
| Peter Herweck | ▲ Buy | Grant | 320 | $0 | 3/27/2025 |
| Paul J. Tufano | ▲ Buy | Grant | 554 | $0 | 3/27/2025 |
| Ernest E. Maddock | ▼ Sell | Other | 3 | $0 | 3/14/2025 |
| Peter Herweck | ▼ Sell | Other | 11 | $0 | 3/14/2025 |
| Paul J. Tufano | ▼ Sell | Other | 73 | $0 | 3/14/2025 |
| Mercedes Johnson | ▼ Sell | Open Market | 625 | $69K | 3/3/2025 |
| Mehta Sanjay | ▼ Sell | Open Market | 1,384 | $154K | 2/4/2025 |
| Richard John Burns | ▼ Sell | Open Market | 445 | $50K | 2/4/2025 |
| Ryan Driscoll | ▼ Sell | Open Market | 216 | $24K | 2/4/2025 |
| Richard John Burns | ▼ Sell | Tax Withholding | 371 | $41K | 2/3/2025 |
| Mehta Sanjay | ▼ Sell | Tax Withholding | 1,296 | $144K | 2/3/2025 |
| Gregory Stephen Smith | ▼ Sell | Tax Withholding | 3,526 | $392K | 2/3/2025 |
| Lukez John | ▼ Sell | Tax Withholding | 94 | $10K | 2/3/2025 |
| Kumar Ujjwal | ▼ Sell | Tax Withholding | 399 | $44K | 2/3/2025 |
| Mercedes Johnson | ▼ Sell | Open Market | 625 | $70K | 2/3/2025 |
| Wood John Francis | ▼ Sell | Tax Withholding | 191 | $21K | 2/3/2025 |
| Ryan Driscoll | ▼ Sell | Tax Withholding | 199 | $22K | 2/3/2025 |
| Richard John Burns | ▲ Buy | Grant | 4,794 | $0 | 1/31/2025 |
| Mehta Sanjay | ▲ Buy | Grant | 8,810 | $0 | 1/31/2025 |
| Gregory Stephen Smith | ▲ Buy | Grant | 26,773 | $0 | 1/31/2025 |
| Lukez John | ▲ Buy | Grant | 1,296 | $0 | 1/31/2025 |
| Kumar Ujjwal | ▲ Buy | Grant | 4,405 | $0 | 1/31/2025 |
| Wood John Francis | ▲ Buy | Grant | 4,319 | $0 | 1/31/2025 |
| Ryan Driscoll | ▲ Buy | Grant | 3,110 | $0 | 1/31/2025 |
| Mehta Sanjay | ▼ Sell | Open Market | 614 | $63K | 1/30/2025 |
| Ryan Driscoll | ▼ Sell | Open Market | 437 | $45K | 1/30/2025 |
| Mehta Sanjay | ▼ Sell | Tax Withholding | 576 | $70K | 1/29/2025 |
| Mehta Sanjay | ▼ Sell | Open Market | 5,338 | $656K | 1/29/2025 |
| Richard John Burns | ▼ Sell | Open Market | 1,477 | $182K | 1/29/2025 |
| Ryan Driscoll | ▼ Sell | Tax Withholding | 77 | $9K | 1/29/2025 |
| Ryan Driscoll | ▼ Sell | Open Market | 76 | $9K | 1/29/2025 |
| Wood John Francis | ▼ Sell | Tax Withholding | 123 | $15K | 1/29/2025 |
| Lukez John | ▼ Sell | Tax Withholding | 136 | $17K | 1/29/2025 |
| Gregory Stephen Smith | ▼ Sell | Tax Withholding | 384 | $47K | 1/29/2025 |
| Mehta Sanjay | ▲ Buy | Grant | 6,690 | $0 | 1/28/2025 |
| Mehta Sanjay | ▼ Sell | Tax Withholding | 2,974 | $363K | 1/28/2025 |
| Richard John Burns | ▲ Buy | Grant | 3,345 | $0 | 1/28/2025 |
| Richard John Burns | ▼ Sell | Tax Withholding | 1,228 | $150K | 1/28/2025 |
| Ryan Driscoll | ▼ Sell | Tax Withholding | 82 | $10K | 1/28/2025 |
| Wood John Francis | ▼ Sell | Tax Withholding | 128 | $16K | 1/28/2025 |
| Lukez John | ▼ Sell | Tax Withholding | 138 | $17K | 1/28/2025 |
| Gregory Stephen Smith | ▲ Buy | Grant | 4,014 | $0 | 1/28/2025 |
| Gregory Stephen Smith | ▼ Sell | Tax Withholding | 1,894 | $231K | 1/28/2025 |
| Richard John Burns | ▼ Sell | Open Market | 407 | $49K | 1/28/2025 |
| Ryan Driscoll | ▼ Sell | Open Market | 107 | $13K | 1/28/2025 |
| Mehta Sanjay | ▼ Sell | Open Market | 1,789 | $216K | 1/28/2025 |
| Richard John Burns | ▼ Sell | Tax Withholding | 420 | $51K | 1/27/2025 |
| Ryan Driscoll | ▼ Sell | Tax Withholding | 114 | $14K | 1/27/2025 |
| Gregory Stephen Smith | ▼ Sell | Tax Withholding | 1,641 | $197K | 1/27/2025 |
| Wood John Francis | ▼ Sell | Tax Withholding | 147 | $18K | 1/27/2025 |
| Mehta Sanjay | ▼ Sell | Tax Withholding | 821 | $99K | 1/27/2025 |
| Lukez John | ▼ Sell | Tax Withholding | 172 | $21K | 1/27/2025 |
| Gregory Stephen Smith | ▼ Sell | Open Market | 3,080 | $400K | 1/3/2025 |
| Mercedes Johnson | ▼ Sell | Open Market | 625 | $79K | 1/2/2025 |
| Ernest E. Maddock | ▼ Sell | Other | 2 | $0 | 12/18/2024 |
| Paul J. Tufano | ▲ Buy | Grant | 383 | $0 | 12/18/2024 |
| Paul J. Tufano | ▼ Sell | Other | 50 | $0 | 12/18/2024 |
| Peter Herweck | ▲ Buy | Grant | 222 | $0 | 12/18/2024 |
| Peter Herweck | ▼ Sell | Other | 8 | $0 | 12/18/2024 |
| Gregory Stephen Smith | ▼ Sell | Open Market | 3,080 | $400K | 12/16/2024 |
| Mercedes Johnson | ▼ Sell | Open Market | 625 | $69K | 12/2/2024 |
| Mercedes Johnson | ▼ Sell | Open Market | 625 | $70K | 11/7/2024 |
| Richard John Burns | ▼ Sell | Open Market | 191 | $25K | 10/2/2024 |
| Richard John Burns | ▲ Buy | Option Exercise | 789 | $64K | 10/1/2024 |
| Richard John Burns | ▼ Sell | Open Market | 789 | $105K | 10/1/2024 |
| Richard John Burns | ▼ Sell | Tax Withholding | 358 | $46K | 10/1/2024 |
| Gregory Stephen Smith | ▼ Sell | Open Market | 3,080 | $409K | 10/1/2024 |
| Mercedes Johnson | ▼ Sell | Open Market | 625 | $83K | 10/1/2024 |
| Ernest E. Maddock | ▼ Sell | Other | 2 | $0 | 9/27/2024 |
| Paul J. Tufano | ▼ Sell | Other | 46 | $0 | 9/27/2024 |
| Peter Herweck | ▼ Sell | Other | 7 | $0 | 9/27/2024 |
| Paul J. Tufano | ▲ Buy | Grant | 345 | $0 | 9/26/2024 |
| Peter Herweck | ▲ Buy | Grant | 200 | $0 | 9/26/2024 |
| Gregory Stephen Smith | ▼ Sell | Open Market | 3,080 | $400K | 9/11/2024 |
| Mercedes Johnson | ▼ Sell | Open Market | 625 | $83K | 9/3/2024 |
| Mehta Sanjay | ▼ Sell | Open Market | 6,153 | $819K | 8/20/2024 |
| Kumar Ujjwal | ▼ Sell | Tax Withholding | 657 | $80K | 8/1/2024 |
| Mercedes Johnson | ▼ Sell | Open Market | 625 | $80K | 8/1/2024 |
| Mercedes Johnson | ▼ Sell | Open Market | 625 | $93K | 7/1/2024 |
| Peter Herweck | ▲ Buy | Grant | 186 | $0 | 6/27/2024 |
| Paul J. Tufano | ▲ Buy | Grant | 321 | $0 | 6/27/2024 |
| Peter Herweck | ▼ Sell | Other | 6 | $0 | 6/14/2024 |
| Paul J. Tufano | ▼ Sell | Other | 42 | $0 | 6/14/2024 |
| Ernest E. Maddock | ▼ Sell | Other | 2 | $0 | 6/14/2024 |
| Mercedes Johnson | ▼ Sell | Open Market | 625 | $90K | 6/3/2024 |
| Richard John Burns | ▲ Buy | Option Exercise | 2,364 | $192K | 5/20/2024 |
| Richard John Burns | ▼ Sell | Open Market | 2,364 | $319K | 5/20/2024 |
| Richard John Burns | ▲ Buy | Option Exercise | 1,602 | $180K | 5/20/2024 |
| Richard John Burns | ▲ Buy | Option Exercise | 1,039 | $107K | 5/20/2024 |
| Richard John Burns | ▼ Sell | Open Market | 2,641 | $370K | 5/20/2024 |
| Ford Tamer | ▲ Buy | Grant | 1,876 | $0 | 5/9/2024 |
| van Kralingen Bridget A | ▲ Buy | Grant | 1,876 | $0 | 5/9/2024 |
| Ernest E. Maddock | ▲ Buy | Grant | 1,876 | $0 | 5/9/2024 |
| Peter Herweck | ▲ Buy | Grant | 1,876 | $0 | 5/9/2024 |
| Marilyn Matz | ▲ Buy | Grant | 1,876 | $0 | 5/9/2024 |