Form 4: Teradyne Director Paul Tufano Boosts Stake

Teradyne Director Paul J. Tufano increased his beneficial ownership of the company's common stock through deferred stock units and dividend reinvestment.

Summary

• Paul J. Tufano, a Director at Teradyne, Inc. (TER), acquired 256 shares of common stock in the form of deferred stock units (DSUs) on December 17, 2025.
• These 256 DSUs represent the deferral of his quarterly cash compensation, calculated based on the common stock's closing price on the issuance date.
• Additionally, Mr. Tufano acquired 36 DSUs on the same date through the reinvestment of dividends paid on his existing DSUs, an acquisition exempt under Exchange Act Rule 16b-3(d).
• Following these transactions, Mr. Tufano beneficially owns a total of 64,861 DSUs.
• DSUs are settled one-for-one in Common Stock generally within ninety days of the date a non-employee director no longer serves in such capacity.

Sentiment

Score: 7

Explanation: The sentiment is moderately positive as a director increasing their stake, even through routine compensation and dividend reinvestment, generally signals confidence in the company's long-term prospects.

Positives

• A director increasing their beneficial ownership, even through compensation deferral and dividend reinvestment, can signal confidence in the company's future prospects.
• The reinvestment of dividends into additional DSUs demonstrates a long-term commitment to the company's equity.

Future Outlook

Deferred stock units (DSUs) are generally settled one-for-one in Common Stock within ninety days of the date a non-employee director no longer serves in such capacity.

Industry Context

This filing represents a routine insider transaction related to director compensation and dividend reinvestment, which is common practice across various industries for executive and director remuneration.

Related Party Transactions

• The acquisition of deferred stock units (DSUs) represents a form of compensation for a non-employee director, which is a standard related-party transaction.

Stakeholder Impact

• Shareholders may view the director's increased beneficial ownership as a positive signal of management's alignment with shareholder interests and confidence in the company's future.

Next Steps

• The deferred stock units will be settled one-for-one in Common Stock generally within ninety days of the date Paul J. Tufano ceases to serve as a non-employee director.

Key Dates

Keywords

Teradyne, TER, Paul J. Tufano, Director, Insider Transaction, Form 4, Beneficial Ownership, Deferred Stock Units, DSUs, Dividend Reinvestment, Equity Compensation