Gregory Stephen Smith, President and CEO of Teradyne, Inc. ($TER), sold shares on the open market seven times over the past year for a total of $834,667. His most recent sale occurred on December 12, 2025. These transactions rank 5,337th out of 11,678 insiders by sale value, well below the average of $8.6 million across 6.4 transactions. Smith made no open market purchases in the last 365 days.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 4, 2026 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | A | Stock Option (Right to Buy) | 11810 | $0.00 | 11,810.0000 | 159,719,000 | 9999.99% | 0.01% |
| Feb. 4, 2026 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | A | Common Stock | 13380 | $0.00 | 128,469.5729 | 159,719,000 | 11.63% | 0.01% |
| Feb. 2, 2026 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | F | Common Stock | 6763 | $249.53 | 115,089.5729 | 159,719,000 | 5.55% | 0.00% |
| Jan. 27, 2026 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | A | Common Stock | 59475 | $0.00 | 152,948.5729 | 159,719,000 | 63.63% | 0.04% |
| Jan. 28, 2026 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | F | Common Stock | 486 | $250.48 | 121,852.5729 | 159,719,000 | 0.40% | 0.00% |
| Jan. 27, 2026 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | F | Common Stock | 30610 | $238.94 | 122,338.5729 | 159,719,000 | 20.01% | 0.02% |
| Dec. 12, 2025 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | S | Common Stock | 1108 | $201.31 | 93,408.9950 | 160,409,000 | 1.17% | 0.00% |
| Nov. 12, 2025 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | S | Common Stock | 1108 | $180.20 | 94,516.9950 | 160,409,000 | 1.16% | 0.00% |
| Nov. 5, 2025 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | F | Common Stock | 1224 | $177.05 | 95,624.9950 | 160,409,000 | 1.26% | 0.00% |
| Nov. 5, 2025 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | M | Stock Option (Right to Buy) | 2072 | $0.00 | 0.0000 | 160,409,000 | 100.00% | 0.00% |
| Nov. 5, 2025 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | M | Common Stock | 2072 | $36.75 | 96,848.9950 | 160,409,000 | 2.19% | 0.00% |
| Oct. 10, 2025 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | S | Common Stock | 1108 | $145.24 | 94,776.9950 | 160,409,000 | 1.16% | 0.00% |
| Sept. 22, 2025 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | S | Common Stock | 554 | $126.39 | 95,884.9950 | 163,314,000 | 0.57% | 0.00% |
| Sept. 12, 2025 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | S | Common Stock | 554 | $115.00 | 96,438.9950 | 163,314,000 | 0.57% | 0.00% |
| Aug. 12, 2025 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | S | Common Stock | 554 | $106.00 | 96,992.9950 | 163,314,000 | 0.57% | 0.00% |
| July 30, 2025 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | S | Common Stock | 554 | $105.73 | 97,546.9950 | 163,314,000 | 0.56% | 0.00% |
| Jan. 31, 2025 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | A | Stock Option (Right to Buy) | 23143 | $0.00 | 23,143.0000 | 163,314,000 | 9999.99% | 0.01% |
| Jan. 31, 2025 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | A | Common Stock | 26773 | $0.00 | 101,528.2277 | 163,314,000 | 35.81% | 0.02% |
| Feb. 3, 2025 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | F | Common Stock | 3526 | $111.09 | 98,002.2277 | 163,314,000 | 3.47% | 0.00% |
| Jan. 28, 2025 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | F | Common Stock | 1894 | $121.95 | 75,139.2277 | 163,314,000 | 2.46% | 0.00% |
| Jan. 29, 2025 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | F | Common Stock | 384 | $122.05 | 74,755.2277 | 163,314,000 | 0.51% | 0.00% |
| Jan. 28, 2025 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | A | Common Stock | 4014 | $0.00 | 77,033.2277 | 163,314,000 | 5.50% | 0.00% |
| Jan. 27, 2025 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | F | Common Stock | 1641 | $120.27 | 73,019.2277 | 163,314,000 | 2.20% | 0.00% |
| Jan. 3, 2025 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | S | Common Stock | 3080 | $130.00 | 74,660.2277 | 163,314,000 | 3.96% | 0.00% |
| Dec. 16, 2024 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | S | Common Stock | 3080 | $130.00 | 77,655.6368 | 164,253,000 | 3.81% | 0.00% |
| Oct. 1, 2024 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | S | Common Stock | 3080 | $132.80 | 80,735.6368 | 164,253,000 | 3.67% | 0.00% |
| Sept. 11, 2024 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | S | Common Stock | 3080 | $130.00 | 83,815.6368 | 164,304,000 | 3.54% | 0.00% |
| Feb. 1, 2024 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | A | Stock Option (Right to Buy) | 24667 | $0.00 | 24,667.0000 | 164,304,000 | 9999.99% | 0.02% |
| Feb. 1, 2024 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | A | Common Stock | 29168 | $0.00 | 86,811.3449 | 164,304,000 | 50.60% | 0.02% |
| Jan. 29, 2024 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | F | Common Stock | 4652 | $106.07 | 57,643.3449 | 164,304,000 | 7.47% | 0.00% |
| Jan. 25, 2024 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | A | Common Stock | 5637 | $0.00 | 62,295.3449 | 164,304,000 | 9.95% | 0.00% |
| Jan. 24, 2024 | TERADYNE, INC | $TER | Smith Gregory Stephen | President and CEO | F | Common Stock | 340 | $110.67 | 56,658.3449 | 164,304,000 | 0.60% | 0.00% |
| Jan. 30, 2023 | TERADYNE, INC | $TER | Smith Gregory Stephen | President | F | Common Stock | 869 | $100.17 | 56,774.0000 | 169,734,000 | 1.51% | 0.00% |
| Jan. 27, 2023 | TERADYNE, INC | $TER | Smith Gregory Stephen | President | A | Stock Option (Right to Buy) | 18338 | $0.00 | 18,338.0000 | 169,734,000 | 9999.99% | 0.01% |
| Jan. 27, 2023 | TERADYNE, INC | $TER | Smith Gregory Stephen | President | A | Common Stock | 21752 | $0.00 | 57,643.0000 | 169,734,000 | 60.61% | 0.01% |
| Jan. 25, 2023 | TERADYNE, INC | $TER | Smith Gregory Stephen | President | F | Common Stock | 1119 | $103.44 | 35,891.0000 | 169,734,000 | 3.02% | 0.00% |
| Jan. 24, 2023 | TERADYNE, INC | $TER | Smith Gregory Stephen | President | F | Common Stock | 6056 | $103.02 | 37,488.0000 | 169,734,000 | 13.91% | 0.00% |
| Jan. 24, 2023 | TERADYNE, INC | $TER | Smith Gregory Stephen | President | F | Common Stock | 478 | $103.02 | 37,010.0000 | 169,734,000 | 1.28% | 0.00% |
| Jan. 23, 2023 | TERADYNE, INC | $TER | Smith Gregory Stephen | President | A | Common Stock | 15433 | $0.00 | 43,544.0000 | 169,734,000 | 54.90% | 0.01% |