| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Driscoll Ryan | VP, General Counsel, Secretary | C/O TERADYNE, INC., 600 RIVERPARK DRIVE, NORTH READING | /s/ Ryan E. Driscoll | 04 Feb 2026 | 0001479936 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | TER | Common Stock | Tax liability | $103,305 | -414 | -5.9% | $249.53 | 6,561 | 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. |