Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-10-21 Sale | 2026-10-22 12:07 pm | TERADYNE INC | TER | MATZ MARILYN Director | 400 | $350 | $140,000 | 12,641 (Direct) | View |
| 2026-10-15 Sale | 2026-10-19 11:42 am | TERADYNE INC | TER | Smith Gregory Stephen President and CEO | 4,000 | $341.28 | $1,365,120 | 104,495 (Direct) | View |
| 2026-10-15 Sale | 2026-10-19 11:35 am | TERADYNE INC | TER | MATZ MARILYN Director | 800 | $341.28 | $273,024 | 13,041 (Direct) | View |
| 2026-10-01 Sale | 2026-10-02 12:44 pm | TERADYNE INC | TER | JOHNSON MERCEDES Director | 167 | $402.9 | $67,284 | 8,073 (Indirect Direct) | View |
| 2026-09-17 Sale | 2026-09-18 11:38 am | TERADYNE INC | TER | MATZ MARILYN Director | 400 | $351.11 | $140,444 | 13,841 (Direct) | View |
| 2026-09-15 Sale | 2026-09-16 12:23 pm | TERADYNE INC | TER | Smith Gregory Stephen President and CEO | 4,000 | $337.83 | $1,351,320 | 108,495 (Direct) | View |
| 2026-09-15 Sale | 2026-09-16 12:19 pm | TERADYNE INC | TER | MATZ MARILYN Director | 800 | $337.83 | $270,264 | 14,241 (Direct) | View |
| 2026-09-01 Sale | 2026-09-02 2:28 pm | TERADYNE INC | TER | JOHNSON MERCEDES Director | 167 | $341.3 | $56,997 | 8,240 (Indirect Direct) | View |
| 2026-08-17 Sale | 2026-08-18 11:14 am | TERADYNE INC | TER | Smith Gregory Stephen President and CEO | 4,000 | $425 | $1,700,000 | 112,495 (Direct) | View |
| 2026-08-17 Sale | 2026-08-18 11:09 am | TERADYNE INC | TER | MATZ MARILYN Director | 1,200 | $425 | $510,000 | 15,041 (Direct) | View |
| 2026-08-03 Sale | 2026-08-04 11:10 am | TERADYNE INC | TER | JOHNSON MERCEDES Director | 166 | $358.15 | $59,453 | 8,407 (Indirect Direct) | View |
| 2026-07-15 Sale | 2026-07-16 1:22 pm | TERADYNE INC | TER | Smith Gregory Stephen President and CEO | 4,000 | $356.31 | $1,425,240 | 116,495 (Direct) | View |
| 2026-07-15 Sale | 2026-07-16 1:17 pm | TERADYNE INC | TER | MATZ MARILYN Director | 1,200 | $356.31 | $427,572 | 16,241 (Direct) | View |
| 2026-07-01 Sale | 2026-07-02 1:11 pm | TERADYNE INC | TER | JOHNSON MERCEDES Director | 167 | $460 | $76,820 | 8,573 (Indirect Direct) | View |
| 2026-06-15 Sale | 2026-06-16 6:01 pm | TERADYNE INC | TER | MATZ MARILYN Director | 1,200 | $423.03 | $507,636 | 17,441 (Direct) | View |
| 2026-06-15 Sale | 2026-06-16 5:57 pm | TERADYNE INC | TER | Smith Gregory Stephen President and CEO | 4,000 | $423.03 | $1,692,120 | 120,470 (Direct) | View |
| 2026-06-02 Sale | 2026-06-03 4:54 pm | TERADYNE INC | TER | JOHNSON MERCEDES Director | 167 | $369.74 | $61,747 | 8,740 (Indirect Direct) | View |
| 2026-05-21 Sale | 2026-05-26 5:23 pm | TERADYNE INC | TER | Poulin Shannon John President, Semiconductor Test | 1,664 | $349.17 | $581,013 | 24,254 (Direct) | View |
| 2026-05-21 Sale | 2026-05-26 4:37 pm | TERADYNE INC | TER | MATZ MARILYN Director | 400 | $350 | $140,000 | 18,641 (Direct) | View |
| 2026-05-15 Sale | 2026-05-19 2:27 pm | TERADYNE INC | TER | Smith Gregory Stephen President and CEO | 8,597 | $338.98 | $2,914,211 | 124,470 (Direct) | View |
| 2026-05-15 Sale | 2026-05-19 2:27 pm | TERADYNE INC | TER | MATZ MARILYN Director | 800 | $338.98 | $271,184 | 19,041 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-09-24 Option Award | 2026-09-28 5:32 pm | N/A N/A | TERADYNE INC | TER | Herweck Peter Director | 77 | $0 | 16,286 (Direct) | View |
| 2026-09-25 Other | 2026-09-28 5:32 pm | N/A N/A | TERADYNE INC | TER | Herweck Peter Director | 4 | $0 | 16,286 (Direct) | View |
| 2026-09-24 Option Award | 2026-09-28 4:50 pm | N/A N/A | TERADYNE INC | TER | TUFANO PAUL J Director | 141 | $0 | 66,027 (Direct) | View |
| 2026-09-25 Other | 2026-09-28 4:50 pm | N/A N/A | TERADYNE INC | TER | TUFANO PAUL J Director | 19 | $0 | 66,027 (Direct) | View |
| 2026-09-25 Other | 2026-09-28 4:46 pm | N/A N/A | TERADYNE INC | TER | MADDOCK ERNEST E Director | 2 | $0 | 10,271 (Direct) | View |
| 2026-09-24 Option Award | 2026-09-28 4:43 pm | N/A N/A | TERADYNE INC | TER | Henry Andrew Chisholm Director | 64 | $0 | 2,991 (Direct) | View |
| 2026-06-25 Option Award | 2026-06-29 5:18 pm | N/A N/A | TERADYNE INC | TER | TUFANO PAUL J Director | 116 | $0 | 65,848 (Direct) | View |
| 2026-06-25 Option Award | 2026-06-29 5:13 pm | N/A N/A | TERADYNE INC | TER | Henry Andrew Chisholm Director | 52 | $0 | 2,927 (Direct) | View |
| 2026-06-25 Option Award | 2026-06-29 5:04 pm | N/A N/A | TERADYNE INC | TER | Herweck Peter Director | 63 | $0 | 16,201 (Direct) | View |
| 2026-06-12 Other | 2026-06-16 5:15 pm | N/A N/A | TERADYNE INC | TER | MADDOCK ERNEST E Director | 2 | $0 | 10,269 (Direct) | View |
| 2026-06-12 Other | 2026-06-16 5:10 pm | N/A N/A | TERADYNE INC | TER | Herweck Peter Director | 4 | $0 | 16,142 (Direct) | View |
| 2026-06-12 Other | 2026-06-16 4:59 pm | N/A N/A | TERADYNE INC | TER | TUFANO PAUL J Director | 19 | $0 | 65,751 (Direct) | View |
| 2026-06-02 Tax Withholding | 2026-06-03 5:07 pm | N/A N/A | TERADYNE INC | TER | Hathout Jean Pierre President, Teradyne Robotics | 174 | $392.62 | 9,733 (Direct) | View |
| 2026-06-01 Tax Withholding | 2026-06-03 5:07 pm | N/A N/A | TERADYNE INC | TER | Hathout Jean Pierre President, Teradyne Robotics | 267 | $369.47 | 9,733 (Direct) | View |
| 2026-05-21 Exercise | 2026-05-26 5:23 pm | N/A 2032-04-01 | TERADYNE INC | TER | Poulin Shannon John President, Semiconductor Test | 2,843 | $0 | 24,254 (Direct) | View |
| 2026-05-21 Exercise | 2026-05-26 5:23 pm | N/A N/A | TERADYNE INC | TER | Poulin Shannon John President, Semiconductor Test | 2,843 | $82.61 | 24,254 (Direct) | View |
| 2026-05-21 Tax Withholding | 2026-05-26 5:23 pm | N/A N/A | TERADYNE INC | TER | Poulin Shannon John President, Semiconductor Test | 1,531 | $345.98 | 24,254 (Direct) | View |
| 2026-05-15 Exercise | 2026-05-19 2:27 pm | N/A 2027-01-24 | TERADYNE INC | TER | Smith Gregory Stephen President and CEO | 4,597 | $0 | 124,470 (Direct) | View |
| 2026-05-15 Exercise | 2026-05-19 2:27 pm | N/A N/A | TERADYNE INC | TER | Smith Gregory Stephen President and CEO | 4,597 | $72.1 | 124,470 (Direct) | View |
| 2026-05-08 Option Award | 2026-05-12 5:39 pm | N/A N/A | TERADYNE INC | TER | Herweck Peter Director | 668 | $0 | 16,134 (Direct) | View |
| 2026-05-08 Option Award | 2026-05-12 5:34 pm | N/A N/A | TERADYNE INC | TER | JOHNSON MERCEDES Director | 668 | $0 | 8,907 (Direct) | View |
| 2026-05-08 Option Award | 2026-05-12 5:23 pm | N/A N/A | TERADYNE INC | TER | MATZ MARILYN Director | 668 | $0 | 19,841 (Direct) | View |
| 2026-05-08 Option Award | 2026-05-12 5:18 pm | N/A N/A | TERADYNE INC | TER | van Kralingen Bridget A Director | 668 | $0 | 6,224 (Direct) | View |
| 2026-05-08 Option Award | 2026-05-12 5:15 pm | N/A N/A | TERADYNE INC | TER | TUFANO PAUL J Director | 668 | $0 | 65,713 (Direct) | View |
| 2026-05-08 Option Award | 2026-05-12 5:12 pm | N/A N/A | TERADYNE INC | TER | Sayiner Necip Director | 668 | $0 | 2,800 (Direct) | View |
| 2026-05-08 Option Award | 2026-05-12 5:09 pm | N/A N/A | TERADYNE INC | TER | MADDOCK ERNEST E Director | 668 | $0 | 10,265 (Direct) | View |
| 2026-05-08 Option Award | 2026-05-12 5:05 pm | N/A N/A | TERADYNE INC | TER | Henry Andrew Chisholm Director | 668 | $0 | 2,875 (Direct) | View |