| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Smith Gregory Stephen | President and CEO, Director | TERADYNE, INC., 600 RIVERPARK DRIVE, NORTH READING | /s/ Ryan E. Driscoll, Attorney-in-Fact | 07 Nov 2025 | 0001666934 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | TER | Common Stock | Options Exercise | $76,146 | +2,072 | +2.2% | $36.75 | 96,849 | 05 Nov 2025 | Direct | |
| transaction | TER | Common Stock | Tax liability | $216,709 | -1,224 | -1.3% | $177.05 | 95,625 | 05 Nov 2025 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | TER | Stock Option (Right to Buy) | Options Exercise | $0 | -2,072 | -100% | $0.000000 | 0 | 05 Nov 2025 | Common Stock | 2,072 | $36.75 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Shares withheld by the Issuer to pay the exercise price of the stock option exercise reported in this Form 4 and to satisfy the Reporting Person's tax withholding obligations in connection with such exercise. |
| F2 | The option vested 25% per year over four years beginning on January 25, 2020, the first anniversary of its grant. |