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Home/Companies/Teradyne, Inc.

Teradyne, Inc.

234 insider trades tracked

TER
Insider trades
234
Bought (open market)
$95K
Sold (open market)
$21.4M
Unique insiders
23

12-month activity

Monthly insider buy vs sell totals for Teradyne, Inc..

BuysSells
Show data table
MonthBuysSellsFilings
November 2025$0$310K6
December 2025$0$348K7
January 2026$0$132K8
February 2026$0$429K16
March 2026$0$187K7
April 2026$0$274K5
May 2026$0$4.2M17
June 2026$0$2.3M11
July 2026$0$1.9M3
August 2026$0$2.3M3
September 2026$0$1.8M10
October 2026$0$1.8M4

Recent insider trades

Most recent Form 4 filings for Teradyne, Inc..

  • MATZ MARILYNsold400 shares ofTERat $350$140KOct 21 · filed Oct 22Details
  • Smith Gregory Stephensold4,000 shares ofTERat $341.28$1.4MOct 15 · filed Oct 19Details
  • MATZ MARILYNsold800 shares ofTERat $341.28$273KOct 15 · filed

Insiders at this company

Executives and directors who have filed Form 4s.

  • Smith Gregory Stephen35 trades
  • Mehta Sanjay23 trades
  • JOHNSON MERCEDES22 trades
  • Burns Richard John21 trades
  • TUFANO PAUL J17 trades
  • Herweck Peter17 trades
  • Driscoll Ryan16 trades
  • MATZ MARILYN12 trades

Explore insider screeners

Latest CEO & CFO PurchasesLatest CEO & CFO SalesDirector PurchasesOfficer PurchasesTop Purchases This WeekTop Sales This WeekTop Officer Buys (Month)10% Owner Filings10b5-1 Planned TradesDiscretionary TradesBuy/Sell RatiosPolitician-Insider Overlap
Oct 19
Details
  • JOHNSON MERCEDESsold167 shares ofTERat $402.9$67KOct 1 · filed Oct 2Details
  • Herweck Petertraded4 shares ofTERat $0Sep 25 · filed Sep 28Details
  • TUFANO PAUL Jtraded19 shares ofTERat $0Sep 25 · filed Sep 28Details
  • MADDOCK ERNEST Etraded2 shares ofTERat $0Sep 25 · filed Sep 28Details
  • Herweck Petergranted77 shares ofTERat $0Sep 24 · filed Sep 28Details
  • TUFANO PAUL Jgranted141 shares ofTERat $0Sep 24 · filed Sep 28Details
  • Henry Andrew Chisholmgranted64 shares ofTERat $0Sep 24 · filed Sep 28Details
  • MATZ MARILYNsold400 shares ofTERat $351.11$140KSep 17 · filed Sep 18Details
  • MATZ MARILYNsold800 shares ofTERat $337.83$270KSep 15 · filed Sep 16Details
  • Smith Gregory Stephensold4,000 shares ofTERat $337.83$1.4MSep 15 · filed Sep 16Details
  • JOHNSON MERCEDESsold167 shares ofTERat $341.3$57KSep 1 · filed Sep 2Details
  • MATZ MARILYNsold1,200 shares ofTERat $425$510KAug 17 · filed Aug 18Details
  • Smith Gregory Stephensold4,000 shares ofTERat $425$1.7MAug 17 · filed Aug 18Details
  • JOHNSON MERCEDESsold166 shares ofTERat $358.15$59KAug 3 · filed Aug 4Details
  • Smith Gregory Stephensold4,000 shares ofTERat $356.31$1.4MJul 15 · filed Jul 16Details
  • MATZ MARILYNsold1,200 shares ofTERat $356.31$428KJul 15 · filed Jul 16Details
  • JOHNSON MERCEDESsold167 shares ofTERat $460$77KJul 1 · filed Jul 2Details
  • Henry Andrew Chisholmgranted52 shares ofTERat $0Jun 25 · filed Jun 29Details
  • Herweck Petergranted63 shares ofTERat $0Jun 25 · filed Jun 29Details
  • TUFANO PAUL Jgranted116 shares ofTERat $0Jun 25 · filed Jun 29Details
  • Smith Gregory Stephensold4,000 shares ofTERat $423.03$1.7MJun 15 · filed Jun 16Details
  • MATZ MARILYNsold1,200 shares ofTERat $423.03$508KJun 15 · filed Jun 16Details
  • Herweck Petertraded4 shares ofTERat $0Jun 12 · filed Jun 16Details
  • MADDOCK ERNEST Etraded2 shares ofTERat $0Jun 12 · filed Jun 16Details
  • TUFANO PAUL Jtraded19 shares ofTERat $0Jun 12 · filed Jun 16Details
  • Hathout Jean Pierretax-withheld174 shares ofTERat $392.62$68KJun 2 · filed Jun 3Details
  • JOHNSON MERCEDESsold167 shares ofTERat $369.74$62KJun 2 · filed Jun 3Details
  • View all trades for TER →
    MADDOCK ERNEST E
    10 trades
  • Mills Regan9 trades
  • Wood John Francis8 trades
  • Poulin Shannon John7 trades
  • Kumar Ujjwal6 trades
  • Lukez John6 trades
  • Hathout Jean Pierre5 trades
  • Henry Andrew Chisholm5 trades
  • Gray Charles Jeffrey3 trades
  • Robbins Brad3 trades
  • van Kralingen Bridget A3 trades
  • Sayiner Necip2 trades