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T

TER

Nasdaq

TERADYNE, INC

Latest disclosureOctober 2, 2026
Insider score Why 0?
0/ 100
Qualifying buys · 30d
$0

0 purchases · 23 sales

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Insider transactions 55

Limited filing history
All55Buying0Selling23Other32
Filters

Last 30 daysNo qualifying insider buying. Sales: $1.83M by 3 insiders.

32 of 55 trades · March 26, 2026 – October 1, 2026Incomplete history: this shows the filings imported so far, not every filing ever made. Dates are trade dates. Filters affect this table only.

Showing the first 6 of 32 trades on this page.

Award disclosed

Peter Herweck

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded September 24, 2026Filed September 28, 2026SEC filing
Other activity disclosed

Peter Herweck

Director

Common Stock

Value context
Not established
Reported price
$0 reported · see filing
Understand this price

The filing reports a zero transaction price. That is not a current market valuation; inspect the original filing for context.

Traded September 25, 2026Filed September 28, 2026SEC filing
Award disclosed

Paul J. Tufano

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded September 24, 2026Filed September 28, 2026SEC filing
Other activity disclosed

Paul J. Tufano

Director

Common Stock

Value context
Not established
Reported price
$0 reported · see filing
Understand this price

The filing reports a zero transaction price. That is not a current market valuation; inspect the original filing for context.

Traded September 25, 2026Filed September 28, 2026SEC filing
Other activity disclosed

Ernest E. Maddock

Director

Common Stock

Value context
Not established
Reported price
$0 reported · see filing
Understand this price

The filing reports a zero transaction price. That is not a current market valuation; inspect the original filing for context.

Traded September 25, 2026Filed September 28, 2026SEC filing
Award disclosed

Andrew Chisholm Henry

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded September 24, 2026Filed September 28, 2026SEC filing
Award disclosed

Paul J. Tufano

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded June 25, 2026Filed June 29, 2026SEC filing
Award disclosed

Andrew Chisholm Henry

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded June 25, 2026Filed June 29, 2026SEC filing
Award disclosed

Peter Herweck

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded June 25, 2026Filed June 29, 2026SEC filing
Other activity disclosed

Ernest E. Maddock

Director

Common Stock

Value context
Not established
Reported price
$0 reported · see filing
Understand this price

The filing reports a zero transaction price. That is not a current market valuation; inspect the original filing for context.

Traded June 12, 2026Filed June 16, 2026SEC filing
Other activity disclosed

Peter Herweck

Director

Common Stock

Value context
Not established
Reported price
$0 reported · see filing
Understand this price

The filing reports a zero transaction price. That is not a current market valuation; inspect the original filing for context.

Traded June 12, 2026Filed June 16, 2026SEC filing
Other activity disclosed

Paul J. Tufano

Director

Common Stock

Value context
Not established
Reported price
$0 reported · see filing
Understand this price

The filing reports a zero transaction price. That is not a current market valuation; inspect the original filing for context.

Traded June 12, 2026Filed June 16, 2026SEC filing
Tax or exercise withholding

Jean Pierre Hathout

President, Teradyne Robotics

Common Stock

Value context
$98.65K
Reported price
$369.47 / share
Traded June 1, 2026Filed June 3, 2026SEC filing
Tax or exercise withholding

Jean Pierre Hathout

President, Teradyne Robotics

Common Stock

Value context
$68.32K
Reported price
$392.62 / share
Traded June 2, 2026Filed June 3, 2026SEC filing
Exercise or conversion

Shannon John Poulin

President, Semiconductor Test

Common Stock

Value context
$234.86K
Reported price
$82.61 / share
Traded May 21, 2026Filed May 26, 2026SEC filing
Tax or exercise withholding

Shannon John Poulin

President, Semiconductor Test

Common Stock

Value context
$529.7K
Reported price
$345.98 / share
Traded May 21, 2026Filed May 26, 2026SEC filing
Exercise or conversion

Shannon John Poulin

President, Semiconductor Test

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$82.61 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded May 21, 2026Filed May 26, 2026SEC filing
Exercise or conversion

Gregory Stephen Smith

President and CEO

Common Stock

Value context
$331.44K
Reported price
$72.10 / share
Traded May 15, 2026Filed May 19, 2026SEC filing
Exercise or conversion

Gregory Stephen Smith

President and CEO

Stock Option (Right to Buy)

Derivative security · not the ordinary share price.

Value context
Not a separate purchase
Exercise / conversion price
$72.10 exercise / conversion price
Understand this price

This row records an option exercise or conversion. The derivative transaction price is separate from the exercise price; it is not the stock's market price. Its row value is not shown as another stock purchase.

Traded May 15, 2026Filed May 19, 2026SEC filing
Award disclosed

Peter Herweck

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 8, 2026Filed May 12, 2026SEC filing
Award disclosed

Mercedes Johnson

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 8, 2026Filed May 12, 2026SEC filing
Award disclosed

Marilyn Matz

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 8, 2026Filed May 12, 2026SEC filing
Award disclosed

Kralingen Bridget A. van

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 8, 2026Filed May 12, 2026SEC filing
Award disclosed

Paul J. Tufano

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 8, 2026Filed May 12, 2026SEC filing
Award disclosed

Necip Sayiner

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 8, 2026Filed May 12, 2026SEC filing
Award disclosed

Ernest E. Maddock

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 8, 2026Filed May 12, 2026SEC filing
Award disclosed

Andrew Chisholm Henry

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded May 8, 2026Filed May 12, 2026SEC filing
Tax or exercise withholding

Shannon John Poulin

President, Semiconductor Test

Common Stock

Value context
$362.78K
Reported price
$312.20 / share
Traded April 1, 2026Filed April 3, 2026SEC filing
Tax or exercise withholding

Regan Mills

President, Product Test

Common Stock

Value context
$69.31K
Reported price
$312.20 / share
Traded April 1, 2026Filed April 3, 2026SEC filing
Award disclosed

Peter Herweck

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded March 26, 2026Filed March 30, 2026SEC filing
Award disclosed

Paul J. Tufano

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded March 26, 2026Filed March 30, 2026SEC filing
Award disclosed

Andrew Chisholm Henry

Director

Common Stock

Value context
Non-cash award
Reported price
Award · no purchase price
Understand this price

The filing reports a zero transaction price for this award. It does not mean the awarded securities have no market value.

Traded March 26, 2026Filed March 30, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
DirectorCommon StockGrant or award77Award · no purchase priceNon-cash awardSep 24Filed Sep 28 · 4d laterSEC filing
DirectorCommon StockOther transaction4$0 reported · see filingNot establishedSep 25Filed Sep 28 · 3d laterSEC filing
DirectorCommon StockGrant or award141Award · no purchase priceNon-cash awardSep 24Filed Sep 28 · 4d laterSEC filing
DirectorCommon StockOther transaction19$0 reported · see filingNot establishedSep 25Filed Sep 28 · 3d laterSEC filing
DirectorCommon StockOther transaction2$0 reported · see filingNot establishedSep 25Filed Sep 28 · 3d laterSEC filing
DirectorCommon StockGrant or award64Award · no purchase priceNon-cash awardSep 24Filed Sep 28 · 4d laterSEC filing
DirectorCommon StockGrant or award116Award · no purchase priceNon-cash awardJun 25Filed Jun 29 · 4d laterSEC filing
DirectorCommon StockGrant or award52Award · no purchase priceNon-cash awardJun 25Filed Jun 29 · 4d laterSEC filing
DirectorCommon StockGrant or award63Award · no purchase priceNon-cash awardJun 25Filed Jun 29 · 4d laterSEC filing
DirectorCommon StockOther transaction2$0 reported · see filingNot establishedJun 12Filed Jun 16 · 4d laterSEC filing
DirectorCommon StockOther transaction4$0 reported · see filingNot establishedJun 12Filed Jun 16 · 4d laterSEC filing
DirectorCommon StockOther transaction19$0 reported · see filingNot establishedJun 12Filed Jun 16 · 4d laterSEC filing
President, Teradyne RoboticsCommon StockExercise-price or tax withholding267$369.47 / share$98.65KJun 1Filed Jun 3 · 2d laterSEC filing
President, Teradyne RoboticsCommon StockExercise-price or tax withholding174$392.62 / share$68.32KJun 2Filed Jun 3 · 1d laterSEC filing
President, Semiconductor TestCommon StockOption exercise or conversion10b5-12,843$82.61 / share$234.86KMay 21Filed May 26 · 5d laterSEC filing
President, Semiconductor TestCommon StockExercise-price or tax withholding10b5-11,531$345.98 / share$529.7KMay 21Filed May 26 · 5d laterSEC filing
President, Semiconductor TestStock Option (Right to Buy)Option exercise or conversion10b5-1Derivative units2,843$82.61 exercise / conversion priceNot a separate purchaseMay 21Filed May 26 · 5d laterSEC filing
President and CEOCommon StockOption exercise or conversion10b5-14,597$72.10 / share$331.44KMay 15Filed May 19 · 4d laterSEC filing
President and CEOStock Option (Right to Buy)Option exercise or conversion10b5-1Derivative units4,597$72.10 exercise / conversion priceNot a separate purchaseMay 15Filed May 19 · 4d laterSEC filing
DirectorCommon StockGrant or award668Award · no purchase priceNon-cash awardMay 8Filed May 12 · 4d laterSEC filing
DirectorCommon StockGrant or award668Award · no purchase priceNon-cash awardMay 8Filed May 12 · 4d laterSEC filing
DirectorCommon StockGrant or award668Award · no purchase priceNon-cash awardMay 8Filed May 12 · 4d laterSEC filing
DirectorCommon StockGrant or award668Award · no purchase priceNon-cash awardMay 8Filed May 12 · 4d laterSEC filing
DirectorCommon StockGrant or award668Award · no purchase priceNon-cash awardMay 8Filed May 12 · 4d laterSEC filing
DirectorCommon StockGrant or award668Award · no purchase priceNon-cash awardMay 8Filed May 12 · 4d laterSEC filing
DirectorCommon StockGrant or award668Award · no purchase priceNon-cash awardMay 8Filed May 12 · 4d laterSEC filing
DirectorCommon StockGrant or award668Award · no purchase priceNon-cash awardMay 8Filed May 12 · 4d laterSEC filing
President, Semiconductor TestCommon StockExercise-price or tax withholding1,162$312.20 / share$362.78KApr 1Filed Apr 3 · 2d laterSEC filing
President, Product TestCommon StockExercise-price or tax withholding10b5-1222$312.20 / share$69.31KApr 1Filed Apr 3 · 2d laterSEC filing
DirectorCommon StockGrant or award92Award · no purchase priceNon-cash awardMar 26Filed Mar 30 · 4d laterSEC filing
DirectorCommon StockGrant or award159Award · no purchase priceNon-cash awardMar 26Filed Mar 30 · 4d laterSEC filing
DirectorCommon StockGrant or award75Award · no purchase priceNon-cash awardMar 26Filed Mar 30 · 4d laterSEC filing

Congress transactions 5

All Congress filings
Full sale disclosedAmended report

Teradyne, Inc. - Common Stock · Stock

The filing reports a full sale for a joint account.

Thomas H Tuberville official portraitThomas H TubervilleReporting Senate member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
May 3, 2024
Filed August 5, 2026 · 824d laterOriginal report
Purchase disclosed

Teradyne, Inc. - Common Stock · Stock

The filing reports a purchase for the member.

AAAlan ArmstrongReporting Senate member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
March 27, 2026
Filed July 21, 2026 · 116d laterOriginal report
Sale disclosed

Teradyne, Inc. (TER) · Stock

The filing reports a sale for a spouse.

Lisa McClain official portraitLisa McClainReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
October 31, 2025
Filed November 21, 2025 · 21d laterOriginal report
Purchase disclosed

Teradyne, Inc. (TER) · Stock

The filing reports a purchase for a spouse.

Lisa McClain official portraitLisa McClainReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
October 30, 2025
Filed November 21, 2025 · 22d laterOriginal report
Sale disclosed

Teradyne, Inc. (TER) · Stock

The filing reports a sale for a spouse.

Lisa McClain official portraitLisa McClainReporting House member
Reported amount
$1,001 – $15,000Reported range; exact amount not disclosed.
Trade date
October 30, 2025
Filed November 21, 2025 · 22d laterOriginal report
Explore furtherTechnical lab Company financials Test a strategy Compare company

Why this buying score?

No qualifying common-equity purchases

No eligible common-equity purchase is public by this cutoff within 180 transaction-date days. Other instruments, exercises and routine activity do not contribute purchase points.

+0 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Limited filing history · Market-wide discovery does not establish complete company history. View coverage
Source
SEC EDGAR · Form 4
Issuer CIK
0000097210
Latest public acceptance
Oct 2, 2026, 04:44 PM UTC
Score calculated
Oct 8, 2026, 12:03 AM UTC
Parser
form4-parser-1.5
Classifier
form4-classifier-1.1
Scoring methodology
insider-experimental-1.1
Availability
Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.