| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Mills Regan | President, Product Test | C/O TERADYNE, INC., 600 RIVERPARK DRIVE, NORTH READING | /s/ Ryan E. Driscoll, Attorney-in-Fact | 27 Feb 2026 | 0002062527 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | TER | Common Stock | Sale | $262,302 | -788 | -6.2% | $332.87 | 11,889 | 25 Feb 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | The shares were sold pursuant to a sales plan adopted by the Reporting Person on November 25, 2025 and intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934. |