| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Smith Gregory Stephen | President and CEO, Director | C/O TERADYNE, INC., 600 RIVERPARK DRIVE, NORTH READING | /s/ Ryan E. Driscoll, Attorney-in-Fact | 04 Feb 2026 | 0001666934 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | TER | Common Stock | Tax liability | $1,687,571 | -6,763 | -5.6% | $249.53 | 115,090 | 02 Feb 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted stock units on January 31, 2026 and February 1, 2026. |