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person · Reporting owner

Henry Andrew Chisholm

Disclosed activity across 1 company

Tapewire entity
35040
SEC CIK
0002075301

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
TERADYNE, INCTER · Entity 181DirectorSeptember 24, 2026September 28, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

TERADYNE, INC

Report date September 24, 2026 · Filed September 28, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect2,991 Reported balance After 2026-09-24 transaction · row 1
1 source row

Row 1 · 2026-09-24 · Grant · Acquired 64 · Balance 2,991

F1: Represents the Reporting Person's deferral of his quarterly cash compensation into deferred stock units ("DSUs"). The number of DSUs is calculated based on the closing price of the Common Stock on their date of issuance. DSUs are settled one-for-one in Common Stock generally within ninety days of the date as of which a non-employee director no longer serves in such capacity.

Filing footnotes · ownership attribution and instrument terms

F1: Represents the Reporting Person's deferral of his quarterly cash compensation into deferred stock units ("DSUs"). The number of DSUs is calculated based on the closing price of the Common Stock on their date of issuance. DSUs are settled one-for-one in Common Stock generally within ninety days of the date as of which a non-employee director no longer serves in such capacity.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
September 24, 2026 Filed Sep 28, 2026 20:43 UTC TERADYNE, INC TER · Entity 181 GrantCommon Stock 64 $0.00 $0.00
Disclosure

SEC source: 0000904454-26-000492 · edgar.xml · nonDerivative · entry 1

Henry Andrew Chisholm · CIK 0002075301 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,991

F1 · shares: Represents the Reporting Person's deferral of his quarterly cash compensation into deferred stock units ("DSUs"). The number of DSUs is calculated based on the closing price of the Common Stock on their date of issuance. DSUs are settled one-for-one in Common Stock generally within ninety days of the date as of which a non-employee director no longer serves in such capacity.

F1 · price: Represents the Reporting Person's deferral of his quarterly cash compensation into deferred stock units ("DSUs"). The number of DSUs is calculated based on the closing price of the Common Stock on their date of issuance. DSUs are settled one-for-one in Common Stock generally within ninety days of the date as of which a non-employee director no longer serves in such capacity.

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June 25, 2026 Filed Jun 29, 2026 21:13 UTC TERADYNE, INC TER · Entity 181 GrantCommon Stock 52 $0.00 $0.00
Disclosure

SEC source: 0000904454-26-000383 · edgar.xml · nonDerivative · entry 1

Henry Andrew Chisholm · CIK 0002075301 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,927

F1 · shares: Represents the Reporting Person's deferral of his quarterly cash compensation into deferred stock units ("DSUs"). The number of DSUs is calculated based on the closing price of the Common Stock on their date of issuance. DSUs are settled one-for-one in Common Stock generally within ninety days of the date as of which a non-employee director no longer serves in such capacity.

F1 · price: Represents the Reporting Person's deferral of his quarterly cash compensation into deferred stock units ("DSUs"). The number of DSUs is calculated based on the closing price of the Common Stock on their date of issuance. DSUs are settled one-for-one in Common Stock generally within ninety days of the date as of which a non-employee director no longer serves in such capacity.

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May 08, 2026 Filed May 12, 2026 21:05 UTC TERADYNE, INC TER · Entity 181 GrantCommon Stock 668 $0.00 $0.00
Disclosure

SEC source: 0000904454-26-000262 · edgar.xml · nonDerivative · entry 1

Henry Andrew Chisholm · CIK 0002075301 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,875

F1 · shares: Represents restricted stock units ("RSUs") granted to the Reporting Person under the Issuer's 2006 Equity and Cash Compensation Incentive Plan. Each RSU represents the right to receive one share of Common Stock. The RSUs are time-based, and will vest in full on the earlier of May 8, 2027 or the date of the Issuer's 2027 Annual Meeting of Shareholders.

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March 26, 2026 Filed Mar 30, 2026 21:59 UTC TERADYNE, INC TER · Entity 181 GrantCommon Stock 75 $0.00 $0.00
Disclosure

SEC source: 0000904454-26-000206 · edgar.xml · nonDerivative · entry 1

Henry Andrew Chisholm · CIK 0002075301 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,207

F1 · shares: Represents the Reporting Person's deferral of his quarterly cash compensation into deferred stock units ("DSUs"). The number of DSUs is calculated based on the closing price of the Common Stock on their date of issuance. DSUs are settled one-for-one in Common Stock generally within ninety days of the date as of which a non-employee director no longer serves in such capacity.

F1 · price: Represents the Reporting Person's deferral of his quarterly cash compensation into deferred stock units ("DSUs"). The number of DSUs is calculated based on the closing price of the Common Stock on their date of issuance. DSUs are settled one-for-one in Common Stock generally within ninety days of the date as of which a non-employee director no longer serves in such capacity.

Read SEC document
July 01, 2025 Filed Jul 3, 2025 14:16 UTC TERADYNE, INC TER · Entity 181 GrantCommon Stock 2,132 $0.00 $0.00
Disclosure

SEC source: 0000904454-25-000358 · ownership.xml · nonDerivative · entry 1

Henry Andrew Chisholm · CIK 0002075301 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,132

F1 · shares: Represents restricted stock units ("RSUs") granted to the Reporting Person under the Issuer's 2006 Equity and Cash Compensation Incentive Plan. Each RSU represents the right to receive one share of Common Stock. The RSUs are time-based, and will vest in full on the earlier of the date of the Issuer's 2026 Annual Meeting of Shareholders or the last Thursday in May 2026.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.