| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Driscoll Ryan | VP, General Counsel, Secretary | TERADYNE, INC., 600 RIVERPARK DRIVE, NORTH READING | /s/ Ryan E. Driscoll | 29 Jan 2026 | 0001479936 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | TER | Common Stock | Tax liability | $27,000 | -113 | -1.6% | $238.94 | 7,057 | 27 Jan 2026 | Direct | F1, F2 |
| transaction | TER | Common Stock | Tax liability | $20,539 | -82 | -1.2% | $250.48 | 6,975 | 28 Jan 2026 | Direct | F3 |
| 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 ("RSUs") on January 27, 2026. |
| F2 | Includes 98.7673 shares acquired under the Issuer's Employee Stock Purchase Plan on June 30, 2025, and 64.5779 shares acquired under the Issuer's Employee Stock Purchase Plan on December 31, 2025. |
| F3 | Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of RSUs on January 28, 2026. |