Teradyne

Current directors and officers who also hold a role at another S&P 500 company.

• Mercedes JohnsonADI · DirectorSNPS · Director
• Bridget A. Van KralingenTRV · Director
• Necip SayinerSNDK · Director

Latest Schedule 13D/13G filing per holder. Holders that reported falling below 5% are not shown. Index funds usually report once a year.

No 5% holder filings parsed yet for this company.

Open-market purchases and sales reported on Form 4. Grants, option exercises and tax withholding are excluded.

Every 8-K with Item 5.02 (departure, election or appointment of directors and officers). The text is the first paragraph of the item.

1. Oct 28, 2025

   On October 28, 2025, Teradyne, Inc. (the “Company” or “Teradyne”) announced that Michelle Turner will succeed Sanjay Mehta as its Vice President, Chief Financial Officer, and Treasurer, effective November 3, 2025 (the “Effective Date”). Ms. Turner will also serve as principal financial officer and principal accounting officer of Teradyne upon the Effective Date. Mr. Mehta will remain with the Company as an executive advisor and his compensation will remain unchanged. In connection with her hiring, the Company and Ms. Turner entered into an offer letter and the Company’s standard Employment Agreement. Ms.

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2. Sep 2, 2025

   On August 29, 2025, Ujjwal Kumar’s tenure as Teradyne, Inc.’s (the “Company”) President of Teradyne Robotics ended. Mr. Kumar will remain employed with the Company through September 30, 2025 to transition his responsibilities. In order to obtain a release of claims from Mr. Kumar and to receive the benefit of certain restrictive covenants, the Company and Mr.

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3. Jun 26, 2025

   On June 26, 2025, the Board of Directors (the “Board”) of Teradyne, Inc. (“Teradyne”) appointed Necip Sayiner and Drew Henry as directors of Teradyne effective July 1, 2025. The Board also appointed Mr. Sayiner to the Board’s Audit Committee and Mr. Henry to the Board’s Compensation Committee and Nominating and Corporate Governance Committee effective July 1, 2025. The Board has determined that Mr. Sayiner and Mr. Henry are both independent. To be considered independent by the Board, a director must satisfy the definitions pursuant to the Securities Exchange Commission and Nasdaq rules and, in the Board’s judgment, not have a material relationship with Teradyne. Teradyne’s Corporate Governance Guidelines, which include director qualification standards, are available on Teradyne’s web site at www.teradyne.com under the “Governance” section of the “Investor Relations” link. Mr.

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4. May 12, 2025

   On May 9, 2025, Teradyne, Inc. (the “Company”) held its 2025 annual meeting of shareholders (the “Annual Meeting”). At the Annual Meeting, the Company’s shareholders approved the Company’s Equity and Cash Compensation Incentive Plan (the “Amended Plan”), which is an amendment and restatement of the Company’s 2006 Equity and Cash Compensation Incentive Plan (the “2006 Plan”). The 2006 Plan was amended and restated to eliminate the term of the 2006 Plan, to provide for a number of compensation governance best practices and to make other clarifying and conforming changes. The Company’s board of directors previously approved the Amended Plan, subject to shareholder approval, on March 24, 2025. The Amended Plan became effective immediately upon shareholder approval at the Annual Meeting.

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5. May 12, 2025

   On May 9, 2025, Teradyne, Inc. (the “Company”) held its 2025 annual meeting of shareholders (the “Annual Meeting”). At the Annual Meeting, the Company’s shareholders approved the Company’s Equity and Cash Compensation Incentive Plan (the “Amended Plan”), which is an amendment and restatement of the Company’s 2006 Equity and Cash Compensation Incentive Plan (the “2006 Plan”). The 2006 Plan was amended and restated to eliminate the term of the 2006 Plan, to provide for a number of compensation governance best practices and to make other clarifying and conforming changes. The Company’s board of directors previously approved the Amended Plan, subject to shareholder approval, on March 24, 2025. The Amended Plan became effective immediately upon shareholder approval at the Annual Meeting.

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6. Mar 6, 2025

   On March 5, 2025, Richard J. Burns notified Teradyne, Inc. (the “Company”) of his decision to retire as President, Semiconductor Test of the Company effective June 1, 2025.

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7. Jan 8, 2025

   On January 2, 2025, Ford Tamer notified the Board of Directors (the “Board”) of Teradyne, Inc. (“Teradyne”) of his decision not to stand for re-election at Teradyne’s next annual meeting of shareholders, expected to be held in May 2025 (the “2025 Annual Meeting”), as a result of recently being appointed as the CEO of Lattice Semiconductor Corporation. The decision by Mr. Tamer was not a result of any disagreement with the Board or management of Teradyne. Mr. Tamer will serve the remainder of his term, which will expire at the 2025 Annual Meeting.

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8. Jan 29, 2024

   ” of the Original 8-K to include additional disclosure regarding Charles J. Gray’s compensation arrangements that were not determined or available at the time of the Original 8-K. No other changes are being made to the Original 8-K.

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9. Jan 12, 2024

   On January 12, 2024, the Board of Directors (the “Board”) of Teradyne, Inc. (“Teradyne”) elected Bridget A. van Kralingen as a director of Teradyne and appointed her to the Board’s Compensation Committee and Nominating and Corporate Governance Committee. The Board has determined that Ms. van Kralingen is independent. To be considered independent by the Board, a director must satisfy the definitions pursuant to the Securities Exchange Commission and Nasdaq rules and, in the Board’s judgment, not have a material relationship with Teradyne. Teradyne’s Corporate Governance Guidelines, which include director qualification standards, are available on Teradyne’s web site at www.teradyne.com under the “Governance” section of the “Investor Relations” link. Ms. van Kralingen will receive compensation at the rate of $90,000 per year. On January 12, 2024, Ms.

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10. Nov 15, 2023

    On November 14, 2023, Teradyne, Inc. (the “Company”) was notified of the decision by Charles J. Gray to retire as Vice President and General Counsel of the Company effective February 1, 2024.

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11. Feb 3, 2023

    Retirement of Mark E. Jagiela as Chief Executive Officer As previously disclosed on the Current Report on Form 8-K filed November 16, 2022, Mark E. Jagiela is retiring as Chief Executive Officer of Teradyne, Inc. (“Teradyne” or the “Company”) effective February 1, 2023 (the “Retirement Date”). Mr. Jagiela is also retiring as a member of the Company’s Board of Directors effective February 1, 2023. In connection with the retirement of Mr. Jagiela, Teradyne entered into an agreement on January 31, 2023 with Mark E. Jagiela (the “Retirement Agreement”). The Retirement Agreement supersedes the terms of the Agreement Regarding Termination Benefits dated January 22, 2014 between Mr. Jagiela and the Company under which Mr. Jagiela was entitled to severance compensation, continued benefits and continued vesting of equity for twenty-four months from the date of severance.

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12. Nov 16, 2022

    On November 15, 2022, Teradyne, Inc. (the “Company” or “Teradyne”) was notified of the decision by Mark E. Jagiela to retire as Chief Executive Officer of the Company and as a member of the Company’s Board of Directors effective February 1, 2023. On November 15, 2022, the Company appointed Gregory S. Smith the Chief Executive Officer of the Company effective February 1, 2023, replacing Mark E. Jagiela. Mr. Smith also has been appointed to the Company’s Board of Directors effective February 1, 2023. Mr. Smith, 59, joined Teradyne in 2006 and has served as President of the Company since July 2022 and President of the Company’s Industrial Automation Group since 2020. Mr. Smith served as President of the Company’s Semiconductor Test Division from 2016 to 2020. In January 2023, as part of its annual review of executive compensation, the Company’s Board of Directors will review Mr.

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13. Nov 4, 2022

    On November 2, 2022, the Board of Directors (the “Board”) of Teradyne, Inc. (“Teradyne”) elected Ernest E. Maddock as a director of Teradyne effective November 14, 2022 and appointed him to the Board’s Audit Committee. The Board has determined that Mr. Maddock is independent. To be considered independent by the Board, a director must satisfy the definitions pursuant to the Securities Exchange Commission and Nasdaq rules and, in the Board’s judgment, not have a material relationship with Teradyne. Teradyne’s Corporate Governance Guidelines, which include director qualification standards, are available on Teradyne’s web site at www.teradyne.com under the “Governance” section of the “Investor Relations” link. Mr. Maddock will receive compensation at the rate of $90,000 per year. On November 14, 2022, Mr.

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14. Jun 7, 2022

    On June 3, 2022, Teradyne, Inc. (“Teradyne” or the “Company”) appointed Greg Smith President of the Company effective July 1, 2022. Mark Jagiela will continue as Teradyne’s Chief Executive Officer. Mr. Smith, 59, joined Teradyne in 2006 and has served as President of the Company’s Industrial Automation Group since 2020. Mr. Smith served as President of the Company’s Semiconductor Test Division from 2016 to 2020. In connection with his appointment as President of the Company, effective July 1, 2022, Mr. Smith’s annual base salary will be increased from $540,000 to $750,000, his performance-based variable cash compensation target will be increased from 85% to 100% of his annual base salary, and he will be eligible for the Company’s Cash Profit Sharing Plan.

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15. Sep 29, 2021

    On September 27, 2021, the Board of Directors (the “Board”) of Teradyne, Inc. (“Teradyne”) elected Ford Tamer as a director of Teradyne effective November 8, 2021 and appointed him to the Board’s Audit Committee. The Board has determined that Mr. Tamer is independent. To be considered independent by the Board, a director must satisfy the definitions pursuant to the Securities Exchange Commission and Nasdaq rules and, in the Board’s judgment, not have a material relationship with Teradyne. Teradyne’s Corporate Governance Guidelines, which include director qualification standards, are available on Teradyne’s web site at www.teradyne.com under the “Governance” section of the “Investor Relations” link. Mr. Tamer will receive compensation at the rate of $80,000 per year. On November 8, 2021, Mr.

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Proxy statements (DEF 14A): 2026 · 2025 · 2024 · 2023 · 2022 · 2021

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