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 |
| 2026-03-05 Sale | 2026-03-06 5:50 pm | TERADYNE INC | TER | JOHNSON MERCEDES Director | 625 | $299.2 | $187,000 | 8,864 (Indirect Direct) | View |
| 2026-02-25 Sale | 2026-02-27 11:12 am | TERADYNE INC | TER | Mills Regan President, Product Test | 788 | $332.87 | $262,302 | 11,889 (Direct) | View |
| 2026-02-05 Sale | 2026-02-06 11:56 am | TERADYNE INC | TER | JOHNSON MERCEDES Director | 625 | $266.98 | $166,863 | 9,489 (Indirect Direct) | View |
| 2026-01-05 Sale | 2026-01-06 12:20 pm | TERADYNE INC | TER | JOHNSON MERCEDES Director | 625 | $211.85 | $132,406 | 10,114 (Indirect Direct) | View |
| 2025-12-12 Sale | 2025-12-15 12:03 pm | TERADYNE INC | TER | Smith Gregory Stephen President and CEO | 1,108 | $201.31 | $223,051 | 93,409 (Direct) | View |
| 2025-12-05 Sale | 2025-12-08 5:20 pm | TERADYNE INC | TER | JOHNSON MERCEDES Director | 625 | $200 | $125,000 | 10,739 (Indirect Direct) | View |
| 2025-11-12 Sale | 2025-11-14 11:40 am | TERADYNE INC | TER | Smith Gregory Stephen President and CEO | 1,108 | $180.2 | $199,662 | 94,517 (Direct) | View |
| 2025-11-05 Sale | 2025-11-07 3:43 pm | TERADYNE INC | TER | JOHNSON MERCEDES Director | 625 | $177.05 | $110,656 | 11,364 (Indirect Direct) | View |
| 2025-10-10 Sale | 2025-10-15 09:54 am | TERADYNE INC | TER | Smith Gregory Stephen President and CEO | 1,108 | $145.24 | $160,926 | 94,777 (Direct) | View |
| 2025-10-06 Sale | 2025-10-08 11:05 am | TERADYNE INC | TER | JOHNSON MERCEDES Director | 625 | $147.9 | $92,438 | 11,989 (Indirect Direct) | View |
| 2025-09-22 Sale | 2025-09-24 10:48 am | TERADYNE INC | TER | Smith Gregory Stephen President and CEO | 554 | $126.39 | $70,020 | 95,885 (Direct) | View |
| 2025-09-12 Sale | 2025-09-16 12:30 pm | TERADYNE INC | TER | Smith Gregory Stephen President and CEO | 554 | $115 | $63,710 | 96,439 (Direct) | View |
| 2025-09-05 Sale | 2025-09-09 10:39 am | TERADYNE INC | TER | JOHNSON MERCEDES Director | 625 | $120.06 | $75,038 | 12,614 (Indirect 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 |
| 2026-03-13 Other | 2026-03-17 5:29 pm | N/A N/A | TERADYNE INC | TER | MADDOCK ERNEST E Director | 2 | $0 | 9,599 (Direct) | View |
| 2026-03-13 Other | 2026-03-17 5:08 pm | N/A N/A | TERADYNE INC | TER | TUFANO PAUL J Director | 25 | $0 | 64,911 (Direct) | View |
| 2026-03-13 Other | 2026-03-17 5:04 pm | N/A N/A | TERADYNE INC | TER | Herweck Peter Director | 5 | $0 | 15,379 (Direct) | View |
| 2026-02-04 Option Award | 2026-02-06 5:15 pm | N/A 2033-02-04 | TERADYNE INC | TER | Smith Gregory Stephen President and CEO | 25,190 | $0 | 140,280 (Direct) | View |
| 2026-02-04 Option Award | 2026-02-06 5:08 pm | N/A 2033-02-04 | TERADYNE INC | TER | Poulin Shannon John President, Semiconductor Test | 8,397 | $0 | 21,173 (Direct) | View |
| 2026-02-04 Option Award | 2026-02-06 5:03 pm | N/A 2033-02-04 | TERADYNE INC | TER | Driscoll Ryan VP, General Counsel, Secretary | 3,359 | $0 | 9,920 (Direct) | View |
| 2026-02-04 Option Award | 2026-02-06 4:58 pm | N/A 2033-02-04 | TERADYNE INC | TER | Mills Regan President, Product Test | 1,890 | $0 | 13,563 (Direct) | View |
| 2026-02-04 Option Award | 2026-02-06 4:53 pm | N/A 2033-02-04 | TERADYNE INC | TER | Hathout Jean Pierre President, Teradyne Robotics | 1,890 | $0 | 11,060 (Direct) | View |
| 2026-02-02 Tax Withholding | 2026-02-04 4:52 pm | N/A N/A | TERADYNE INC | TER | Hathout Jean Pierre President, Teradyne Robotics | 381 | $249.53 | 9,170 (Direct) | View |
| 2026-02-02 Tax Withholding | 2026-02-04 4:47 pm | N/A N/A | TERADYNE INC | TER | Mills Regan President, Product Test | 345 | $249.53 | 11,673 (Direct) | View |
| 2026-02-02 Tax Withholding | 2026-02-04 4:42 pm | N/A N/A | TERADYNE INC | TER | Smith Gregory Stephen President and CEO | 6,763 | $249.53 | 115,090 (Direct) | View |
| 2026-02-02 Tax Withholding | 2026-02-04 4:34 pm | N/A N/A | TERADYNE INC | TER | Driscoll Ryan VP, General Counsel, Secretary | 414 | $249.53 | 6,561 (Direct) | View |
| 2026-01-28 Tax Withholding | 2026-01-29 4:36 pm | N/A N/A | TERADYNE INC | TER | Smith Gregory Stephen President and CEO | 486 | $250.48 | 121,853 (Direct) | View |
| 2026-01-27 Tax Withholding | 2026-01-29 4:36 pm | N/A N/A | TERADYNE INC | TER | Smith Gregory Stephen President and CEO | 30,610 | $238.94 | 121,853 (Direct) | View |
| 2026-01-27 Option Award | 2026-01-29 4:36 pm | N/A N/A | TERADYNE INC | TER | Smith Gregory Stephen President and CEO | 59,475 | $0 | 121,853 (Direct) | View |
| 2026-01-28 Tax Withholding | 2026-01-29 4:29 pm | N/A N/A | TERADYNE INC | TER | Mills Regan President, Product Test | 167 | $250.48 | 12,018 (Direct) | View |
| 2026-01-27 Tax Withholding | 2026-01-29 4:29 pm | N/A N/A | TERADYNE INC | TER | Mills Regan President, Product Test | 193 | $238.94 | 12,018 (Direct) | View |
| 2026-01-28 Tax Withholding | 2026-01-29 4:25 pm | N/A N/A | TERADYNE INC | TER | Driscoll Ryan VP, General Counsel, Secretary | 82 | $250.48 | 6,975 (Direct) | View |
| 2026-01-27 Tax Withholding | 2026-01-29 4:25 pm | N/A N/A | TERADYNE INC | TER | Driscoll Ryan VP, General Counsel, Secretary | 113 | $238.94 | 6,975 (Direct) | View |
| 2025-12-17 Other | 2025-12-19 4:42 pm | N/A N/A | TERADYNE INC | TER | TUFANO PAUL J Director | 36 | $0 | 64,897 (Direct) | View |
| 2025-12-17 Option Award | 2025-12-19 4:42 pm | N/A N/A | TERADYNE INC | TER | TUFANO PAUL J Director | 256 | $0 | 64,897 (Direct) | View |
| 2025-12-17 Other | 2025-12-19 4:38 pm | N/A N/A | TERADYNE INC | TER | Herweck Peter Director | 7 | $0 | 15,376 (Direct) | View |
| 2025-12-17 Option Award | 2025-12-19 4:38 pm | N/A N/A | TERADYNE INC | TER | Herweck Peter Director | 148 | $0 | 15,376 (Direct) | View |
| 2025-12-17 Other | 2025-12-19 4:33 pm | N/A N/A | TERADYNE INC | TER | MADDOCK ERNEST E Director | 2 | $0 | 9,597 (Direct) | View |
| 2025-11-05 Tax Withholding | 2025-11-07 4:17 pm | N/A N/A | TERADYNE INC | TER | Smith Gregory Stephen President and CEO | 1,224 | $177.05 | 95,625 (Direct) | View |
| 2025-11-05 Exercise | 2025-11-07 4:17 pm | N/A 2026-01-25 | TERADYNE INC | TER | Smith Gregory Stephen President and CEO | 2,072 | $0 | 95,625 (Direct) | View |
| 2025-11-05 Exercise | 2025-11-07 4:17 pm | N/A N/A | TERADYNE INC | TER | Smith Gregory Stephen President and CEO | 2,072 | $36.75 | 95,625 (Direct) | View |
| 2025-11-03 Option Award | 2025-11-05 10:05 am | N/A 2032-11-03 | TERADYNE INC | TER | Turner Michelle L. Chief Financial Officer | 20,300 | $0 | 20,416 (Direct) | View |
Ownership | 2025-11-03 1:03 pm | N/A N/A | TERADYNE INC | TER | Turner Michelle L. Chief Financial Officer | 0 | $0 | 116 (Direct) | View |
| 2025-09-29 Other | 2025-10-01 4:24 pm | N/A N/A | TERADYNE INC | TER | MADDOCK ERNEST E Director | 3 | $0 | 9,596 (Direct) | View |
| 2025-09-29 Other | 2025-10-01 4:20 pm | N/A N/A | TERADYNE INC | TER | TUFANO PAUL J Director | 49 | $0 | 64,618 (Direct) | View |
| 2025-09-29 Other | 2025-10-01 4:16 pm | N/A N/A | TERADYNE INC | TER | Herweck Peter Director | 9 | $0 | 15,223 (Direct) | View |
| 2025-09-25 Option Award | 2025-09-29 11:35 am | N/A N/A | TERADYNE INC | TER | TUFANO PAUL J Director | 357 | $0 | 64,520 (Direct) | View |
| 2025-09-25 Option Award | 2025-09-29 11:32 am | N/A N/A | TERADYNE INC | TER | Herweck Peter Director | 206 | $0 | 15,205 (Direct) | View |
Ownership | 2025-09-10 4:35 pm | N/A N/A | TERADYNE INC | TER | Hathout Jean Pierre President, Teradyne Robotics | 0 | $0 | 9,551 (Direct) | View |