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Company / CIK 0000097210

TERADYNE, INC

Ticker
TER
Size, estimated from filings
Large cap ($10B – $200B)
Insiders on file
14
Members of Congress who traded it
3
Federal contracts on record
5 awards
Lobbying filings on record
18
SEC filings
EDGAR ↗
Latest trade on record
October 15, 2026

TERADYNE, INC (TER) has 14 insiders on file who disclosed 99 transactions in the last 12 months (0 open-market buys, 49 sales, about $27.4M at reported prices), and 5 congressional trades in its stock are on record. USAspending shows 5 federal contract awards with a combined value of $19.1M to a recipient with this name that started in the last 180 days, and 9 lobbying filings naming it as client report $1.0M in 2026.

Last updated October 19, 2026 · Sources: SEC EDGAR; USAspending; Senate LDA

TERADYNE, INC in charts

Who is trading this stock

Which people account for the buying and selling over the last 12 months?

BoughtSold

8 people account for the disclosed buying and selling in TERADYNE, INC over the last 12 months; the most active is Smith Gregory Stephen with $20M.

Lobbying spend by quarter

How much has TERADYNE, INC reported spending on federal lobbying?

Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26Q3 26Q4 26
Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26Q3 26Q4 26

TERADYNE, INC reported $1.5M in lobbying over the last eight quarters, from filings matched by exact company name.

Federal contracts by agency

Which agencies awarded TERADYNE, INC contracts that started in the last 180 days?

Department of Defense$19.1M
Department of Defen…$19.1M

Federal contract awards to TERADYNE, INC that started in the last 180 days have a combined award value of $19M, most from Department of Defense.

Insiders

NameRoleRowsBoughtSoldLast filed
MATZ MARILYNDirector908October 19, 2026
Smith Gregory StephenPresident and CEO20013October 19, 2026
JOHNSON MERCEDESDirector13012October 2, 2026
Herweck PeterDirector1000September 28, 2026
TUFANO PAUL JDirector1000September 28, 2026
MADDOCK ERNEST EDirector600September 28, 2026
Henry Andrew ChisholmDirector400September 28, 2026
Hathout Jean PierrePresident, Teradyne Robotics503June 3, 2026
Poulin Shannon JohnPresident, Semiconductor Test804May 26, 2026
Sayiner NecipDirector100May 12, 2026
van Kralingen Bridget ADirector100May 12, 2026
Driscoll RyanVP, General Counsel, Secretary604May 11, 2026
Mills ReganPresident, Product Test907April 9, 2026
Turner Michelle L.Chief Financial Officer200November 5, 2025

Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.

Members of Congress who traded TER

From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the TER page.

MemberSeatTradesBoughtSoldRange as filedLatest
Lisa C. McClainRepresentative (MI, District 9), Republican312$3,003–$45KOctober 31, 2025
Alan ArmstrongSenator (OK), Republican110$1,001–$15KMarch 27, 2026
Tommy TubervilleSenator (AL), Republican101$1,001–$15KMay 3, 2024

Insider transactions

Download CSV109 rows · 34 KB · insider and congressional rows for this ticker · all downloads

FilerSecuritySideTrade dateDisclosedLagSharesPriceValueFlagsSourceShare
MATZ MARILYNTERSell SOctober 15, 2026October 19, 20264d800$341$273K10b5-1 planForm 4 ↗
Smith Gregory StephenTERSell SOctober 15, 2026October 19, 20264d4,000$341$1.4M10b5-1 planForm 4 ↗
JOHNSON MERCEDESTERSell SOctober 1, 2026October 2, 20261d167$403$67K10b5-1 planForm 4 ↗
Henry Andrew ChisholmTEROther ASeptember 24, 2026September 28, 20264d64——Form 4 ↗
MADDOCK ERNEST ETEROther JSeptember 25, 2026September 28, 20263d2——Form 4 ↗
TUFANO PAUL JTEROther JSeptember 25, 2026September 28, 20263d19——Form 4 ↗
TUFANO PAUL JTEROther ASeptember 24, 2026September 28, 20264d141——Form 4 ↗
Herweck PeterTEROther JSeptember 25, 2026September 28, 20263d4——Form 4 ↗
Herweck PeterTEROther ASeptember 24, 2026September 28, 20264d77——Form 4 ↗
MATZ MARILYNTERSell SSeptember 17, 2026September 18, 20261d400$351$140K10b5-1 planForm 4 ↗
MATZ MARILYNTERSell SSeptember 15, 2026September 16, 20261d800$338$270K10b5-1 planForm 4 ↗
Smith Gregory StephenTERSell SSeptember 15, 2026September 16, 20261d4,000$338$1.4M10b5-1 planForm 4 ↗
JOHNSON MERCEDESTERSell SSeptember 1, 2026September 2, 20261d167$341$57K10b5-1 planForm 4 ↗
MATZ MARILYNTERSell SAugust 17, 2026August 18, 20261d1,200$425$510K10b5-1 planForm 4 ↗
Smith Gregory StephenTERSell SAugust 17, 2026August 18, 20261d4,000$425$1.7M10b5-1 planForm 4 ↗
JOHNSON MERCEDESTERSell SAugust 3, 2026August 4, 20261d166$358$59K10b5-1 planForm 4 ↗
Smith Gregory StephenTERSell SJuly 15, 2026July 16, 20261d4,000$356$1.4M10b5-1 planForm 4 ↗
MATZ MARILYNTERSell SJuly 15, 2026July 16, 20261d1,200$356$428K10b5-1 planForm 4 ↗
JOHNSON MERCEDESTERSell SJuly 1, 2026July 2, 20261d167$460$77K10b5-1 planForm 4 ↗
TUFANO PAUL JTEROther AJune 25, 2026June 29, 20264d116——Form 4 ↗
Henry Andrew ChisholmTEROther AJune 25, 2026June 29, 20264d52——Form 4 ↗
Herweck PeterTEROther AJune 25, 2026June 29, 20264d63——Form 4 ↗
MATZ MARILYNTERSell SJune 15, 2026June 16, 20261d1,200$423$508K10b5-1 planForm 4 ↗
Smith Gregory StephenTERSell SJune 15, 2026June 16, 20261d4,000$423$1.7M10b5-1 planForm 4 ↗
MADDOCK ERNEST ETEROther JJune 12, 2026June 16, 20264d2——Form 4 ↗
Herweck PeterTEROther JJune 12, 2026June 16, 20264d4——Form 4 ↗
TUFANO PAUL JTEROther JJune 12, 2026June 16, 20264d19——Form 4 ↗
Hathout Jean PierreTERSell FJune 2, 2026June 3, 20261d174$393$68KForm 4 ↗
Hathout Jean PierreTERSell FJune 1, 2026June 3, 20262d267$369$99KForm 4 ↗
JOHNSON MERCEDESTERSell SJune 2, 2026June 3, 20261d167$370$62K10b5-1 planForm 4 ↗
Poulin Shannon JohnTEROption / conversion MMay 21, 2026May 26, 20265d2,843——late10b5-1 planderivativeForm 4 ↗
Poulin Shannon JohnTERSell SMay 22, 2026May 26, 20264d656$355$233K10b5-1 planForm 4 ↗
Poulin Shannon JohnTERSell FMay 21, 2026May 26, 20265d1,531$346$530Klate10b5-1 planForm 4 ↗
Poulin Shannon JohnTEROption / conversion MMay 21, 2026May 26, 20265d2,843$83$235Klate10b5-1 planForm 4 ↗
Poulin Shannon JohnTERSell SMay 21, 2026May 26, 20265d1,008$345$348Klate10b5-1 planForm 4 ↗
MATZ MARILYNTERSell SMay 21, 2026May 26, 20265d400$350$140Klate10b5-1 planForm 4 ↗
Smith Gregory StephenTEROption / conversion MMay 15, 2026May 19, 20264d4,597——10b5-1 planderivativeForm 4 ↗
Smith Gregory StephenTERSell SMay 15, 2026May 19, 20264d8,597$339$2.9M10b5-1 planForm 4 ↗
Smith Gregory StephenTEROption / conversion MMay 15, 2026May 19, 20264d4,597$72$331K10b5-1 planForm 4 ↗
MATZ MARILYNTERSell SMay 15, 2026May 19, 20264d800$339$271K10b5-1 planForm 4 ↗
Herweck PeterTEROther AMay 8, 2026May 12, 20264d668——Form 4 ↗
JOHNSON MERCEDESTEROther AMay 8, 2026May 12, 20264d668——Form 4 ↗
MATZ MARILYNTEROther AMay 8, 2026May 12, 20264d668——Form 4 ↗
van Kralingen Bridget ATEROther AMay 8, 2026May 12, 20264d668——Form 4 ↗
TUFANO PAUL JTEROther AMay 8, 2026May 12, 20264d668——Form 4 ↗
Sayiner NecipTEROther AMay 8, 2026May 12, 20264d668——Form 4 ↗
MADDOCK ERNEST ETEROther AMay 8, 2026May 12, 20264d668——Form 4 ↗
Henry Andrew ChisholmTEROther AMay 8, 2026May 12, 20264d668——Form 4 ↗
Driscoll RyanTERSell SMay 7, 2026May 11, 20264d680$378$257K10b5-1 planForm 4 ↗
Mills ReganTERSell SApril 8, 2026April 9, 20261d16$342$5,47510b5-1 planForm 4 ↗
JOHNSON MERCEDESTERSell SApril 6, 2026April 7, 20261d625$312$195K10b5-1 planForm 4 ↗
Poulin Shannon JohnTERSell FApril 1, 2026April 3, 20262d1,162$312$363KForm 4 ↗
Mills ReganTERSell SApril 2, 2026April 3, 20261d252$291$73K10b5-1 planForm 4 ↗
Mills ReganTERSell FApril 1, 2026April 3, 20262d222$312$69K10b5-1 planForm 4 ↗
Herweck PeterTEROther AMarch 26, 2026March 30, 20264d92——Form 4 ↗
TUFANO PAUL JTEROther AMarch 26, 2026March 30, 20264d159——Form 4 ↗
Henry Andrew ChisholmTEROther AMarch 26, 2026March 30, 20264d75——Form 4 ↗
MADDOCK ERNEST ETEROther JMarch 13, 2026March 17, 20264d2——Form 4 ↗
TUFANO PAUL JTEROther JMarch 13, 2026March 17, 20264d25——Form 4 ↗
Herweck PeterTEROther JMarch 13, 2026March 17, 20264d5——Form 4 ↗
JOHNSON MERCEDESTERSell SMarch 5, 2026March 6, 20261d625$299$187K10b5-1 planForm 4 ↗
Mills ReganTERSell SFebruary 25, 2026February 27, 20262d788$333$262KForm 4 ↗
Smith Gregory StephenTEROther AFebruary 4, 2026February 6, 20262d11,810——derivativeForm 4 ↗
Smith Gregory StephenTEROther AFebruary 4, 2026February 6, 20262d13,380——Form 4 ↗
Poulin Shannon JohnTEROther AFebruary 4, 2026February 6, 20262d3,937——derivativeForm 4 ↗
Poulin Shannon JohnTEROther AFebruary 4, 2026February 6, 20262d4,460——Form 4 ↗
Driscoll RyanTEROther AFebruary 4, 2026February 6, 20262d1,575——derivativeForm 4 ↗
Driscoll RyanTEROther AFebruary 4, 2026February 6, 20262d1,784——Form 4 ↗
Mills ReganTEROther AFebruary 4, 2026February 6, 20262d886——derivativeForm 4 ↗
Mills ReganTEROther AFebruary 4, 2026February 6, 20262d1,004——Form 4 ↗
Hathout Jean PierreTEROther AFebruary 4, 2026February 6, 20262d886——derivativeForm 4 ↗
Hathout Jean PierreTEROther AFebruary 4, 2026February 6, 20262d1,004——Form 4 ↗
JOHNSON MERCEDESTERSell SFebruary 5, 2026February 6, 20261d625$267$167K10b5-1 planForm 4 ↗
Hathout Jean PierreTERSell FFebruary 2, 2026February 4, 20262d381$250$95KForm 4 ↗
Mills ReganTERSell FFebruary 2, 2026February 4, 20262d345$250$86KForm 4 ↗
Smith Gregory StephenTERSell FFebruary 2, 2026February 4, 20262d6,763$250$1.7MForm 4 ↗
Driscoll RyanTERSell FFebruary 2, 2026February 4, 20262d414$250$103KForm 4 ↗
Smith Gregory StephenTERSell FJanuary 28, 2026January 29, 20261d486$250$122KForm 4 ↗
Smith Gregory StephenTERSell FJanuary 27, 2026January 29, 20262d30,610$239$7.3MForm 4 ↗
Smith Gregory StephenTEROther AJanuary 27, 2026January 29, 20262d59,475——Form 4 ↗
Mills ReganTERSell FJanuary 28, 2026January 29, 20261d167$250$42KForm 4 ↗
Mills ReganTERSell FJanuary 27, 2026January 29, 20262d193$239$46KForm 4 ↗
Driscoll RyanTERSell FJanuary 28, 2026January 29, 20261d82$250$21KForm 4 ↗
Driscoll RyanTERSell FJanuary 27, 2026January 29, 20262d113$239$27KForm 4 ↗
JOHNSON MERCEDESTERSell SJanuary 5, 2026January 6, 20261d625$212$132K10b5-1 planForm 4 ↗
TUFANO PAUL JTEROther JDecember 17, 2025December 19, 20252d36——Form 4 ↗
TUFANO PAUL JTEROther ADecember 17, 2025December 19, 20252d256——Form 4 ↗
Herweck PeterTEROther JDecember 17, 2025December 19, 20252d7——Form 4 ↗
Herweck PeterTEROther ADecember 17, 2025December 19, 20252d148——Form 4 ↗
MADDOCK ERNEST ETEROther JDecember 17, 2025December 19, 20252d2——Form 4 ↗
Smith Gregory StephenTERSell SDecember 12, 2025December 15, 20253d1,108$201$223K10b5-1 planForm 4 ↗
JOHNSON MERCEDESTERSell SDecember 5, 2025December 8, 20253d625$200$125K10b5-1 planForm 4 ↗
Smith Gregory StephenTERSell SNovember 12, 2025November 14, 20252d1,108$180$200K10b5-1 planForm 4 ↗
Smith Gregory StephenTEROption / conversion MNovember 5, 2025November 7, 20252d2,072——derivativeForm 4 ↗
Smith Gregory StephenTERSell FNovember 5, 2025November 7, 20252d1,224$177$217KForm 4 ↗
Smith Gregory StephenTEROption / conversion MNovember 5, 2025November 7, 20252d2,072$37$76KForm 4 ↗
JOHNSON MERCEDESTERSell SNovember 5, 2025November 7, 20252d625$177$111K10b5-1 planForm 4 ↗
Turner Michelle L.TEROther ANovember 3, 2025November 5, 20252d9,156——derivativeForm 4 ↗
Turner Michelle L.TEROther ANovember 3, 2025November 5, 20252d11,144——Form 4 ↗
Smith Gregory StephenTERSell SOctober 10, 2025October 15, 20255d1,108$145$161Klate10b5-1 planForm 4 ↗
JOHNSON MERCEDESTERSell SOctober 6, 2025October 8, 20252d625$148$92K10b5-1 planForm 4 ↗
MADDOCK ERNEST ETEROther JSeptember 29, 2025October 1, 20252d3——Form 4 ↗
TUFANO PAUL JTEROther JSeptember 29, 2025October 1, 20252d49——Form 4 ↗
Herweck PeterTEROther JSeptember 29, 2025October 1, 20252d9——Form 4 ↗

Federal contracts (USAspending, awards started in the last 180 days)

Start dateAwarding agencyAward valueNAICSSource
July 10, 2026Department of Defense$15,473,970334515USAspending ↗
July 2, 2026Department of Defense$1,203,864334515USAspending ↗
May 22, 2026Department of Defense$856,396334418USAspending ↗
April 28, 2026Department of Defense$837,200541990USAspending ↗
May 15, 2026Department of Defense$720,974334515USAspending ↗

Lobbying (Senate LDA, as client)

PeriodRegistrantPrimary issueAmountSource
2026 Q3TERADYNE INC.Trade (domestic/foreign)$200,000LDA ↗
2026 Q2TERADYNE INC.Trade (domestic/foreign)$270,000LDA ↗
2026 Q2PENN AVENUE PARTNERSComputer Industry$60,000LDA ↗
2026 Q2DLA PIPER LLP (US)Trade (domestic/foreign)$50,000LDA ↗
2026 Q2SIGHTLINE ADVOCACY, LLCComputer Industry$30,000LDA ↗
2026 Q1TERADYNE INC.Trade (domestic/foreign)$250,000LDA ↗
2026 Q1DLA PIPER LLP (US)Trade (domestic/foreign)$60,000LDA ↗
2026 Q1PENN AVENUE PARTNERSComputer Industry$50,000LDA ↗
2026 Q1SIGHTLINE ADVOCACY, LLCComputer Industry$30,000LDA ↗
2025 Q4TERADYNE INC.Trade (domestic/foreign)$230,000LDA ↗
2025 Q4DLA PIPER LLP (US)Trade (domestic/foreign)$40,000LDA ↗
2025 Q4PENN AVENUE PARTNERSComputer Industry$30,000LDA ↗
2025 Q4SIGHTLINE ADVOCACY, LLCComputer Industry$30,000LDA ↗
2025 Q4PENN AVENUE PARTNERSTrade (domestic/foreign)—LDA ↗
2025 Q4SIGHTLINE ADVOCACY, LLCTrade (domestic/foreign)—LDA ↗
2025 Q4DLA PIPER LLP (US)Trade (domestic/foreign)—LDA ↗
2025 Q3TERADYNE INC.Trade (domestic/foreign)$170,000LDA ↗
2025 Q3BALLARD PARTNERSTrade (domestic/foreign)$40,000LDA ↗

Companies whose stock was traded by the same people who traded TER, by number of filers in common. It shows overlap in public filings and nothing else.

Guides for this page

Sources and method

Official sources behind this page
SourceFilingsRowsFirst filedNewest filedRead the originals
House Clerk, periodic transaction reports13November 21, 2025November 21, 2025House Clerk search
Senate eFD, periodic transaction reports22July 21, 2026August 5, 2026Senate eFD search
SEC EDGAR, Form 480104October 1, 2025October 19, 2026Form 4 list on EDGAR
USAspending, federal contract awards5 awards———USAspending
Lobbying disclosure filings18 filings———LDA.gov search

Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.

Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.

Not investment advice. Public records shown as filed; no recommendation is made or implied.