OQROGet OQRO Pro
Insider trade

Teradyne (TER)Director sold ~$140K

Marilyn Matz, Director at Teradyne, sold ~$140K of Teradyne shares.

~$140K
Approx. value · 400 sh @ $350.00
19K
Holds after · shares reported
Traded
May 21, 2026
Filed
May 27, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

  1. Dec 15, 2025Federal contract · $8.4M obligatedDepartment of Defense awarded Teradyne: $8.36M obligated to date
  2. Dec 29, 2025Federal contract · $4.4M obligatedDepartment of Defense awarded Teradyne: $4.43M obligated to date
  3. Mar 27, 20265% stakeThe Vanguard Group reported a passive stake (13G)
  4. Mar 27, 2026Federal contract · $1.5M obligatedDepartment of Defense awarded Teradyne: $1.53M obligated to date
  5. Mar 27, 2026CongressDisclosed purchase of TER — reported range $1,001 - $15,000
  6. Apr 2, 2026InsiderOfficer sold ~$73K of TER shares in the open market
  7. Apr 6, 2026InsiderDirector sold ~$195K of TER shares in the open market
  8. Apr 8, 2026InsiderOfficer sold ~$5.5K of TER shares in the open market
  9. Apr 28, 2026Company filing · Form 8-K · ResultsReported its results
  10. Apr 28, 2026Federal contract · $837K obligatedDepartment of Defense awarded Teradyne: $837K obligated to date
  11. Apr 29, 20265% stakeVanguard Capital Management reported a passive stake (13G) of 7.5%
  12. Apr 29, 20265% stakeVanguard Portfolio Management reported a passive stake (13G) of 5.5%
  13. May 7, 2026InsiderOfficer sold ~$257K of TER shares in the open market
  14. May 15, 2026Federal contract · $721K obligatedDepartment of Defense awarded Teradyne: $721K obligated to date
  15. May 15, 2026Insider · 2 peopleInsiders: 2 sales (~$3.2M)
  16. May 21, 2026 · this disclosureInsiderDirector sold ~$140K of TER shares in the open market

What came next

  1. May 21, 2026InsiderOfficer sold ~$348K of TER shares in the open market
  2. May 22, 2026Federal contract · $856K obligatedDepartment of Defense awarded Teradyne: $856K obligated to date
  3. May 22, 2026InsiderOfficer sold ~$233K of TER shares in the open market
  4. Jun 2, 2026InsiderDirector sold ~$62K of TER shares in the open market
  5. Jun 4, 20265% stakeBlackRock, Inc. reported a passive stake (13G) of 10.1%
  6. Jun 15, 2026Insider · 2 peopleInsiders: 2 sales (~$2.2M)
  7. Jul 1, 2026InsiderDirector sold ~$77K of TER shares in the open market
  8. Jul 2, 2026Federal contract · $1.2M obligatedDepartment of Defense awarded Teradyne: $1.2M obligated to date
  9. Jul 15, 2026Insider · 2 peopleInsiders: 2 sales (~$1.9M)
  10. Jul 28, 2026Company filing · Form 8-K · ResultsReported its results
  11. Jul 30, 20265% stakeBlackRock, Inc. reported a passive stake (13G) of 11.1%
  12. Aug 3, 2026InsiderDirector sold ~$59K of TER shares in the open market
  13. Aug 7, 2026Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations
  14. Aug 17, 2026Insider · 2 peopleInsiders: 2 sales (~$2.2M)
  15. Sep 1, 2026InsiderDirector sold ~$57K of TER shares in the open market
  16. Sep 15, 2026Insider · 2 peopleInsiders: 2 sales (~$1.6M)
  17. Sep 17, 2026InsiderDirector sold ~$140K of TER shares in the open market
View the official recordSEC Form 4

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Teradyne

For Teradyne, OQRO holds 14 insider filings (SEC Form 4 or Form 144), 1 Congress trade report, 35 fund holdings reports (13F) and 1 federal contract award dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its TER page.

Other recent filings by Marilyn Matz, Director

The full history of Marilyn Matz, Director is on the profile page.

How this filing works

Other disclosures at Teradyne

Everything OQRO holds on this company is on its TER page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

Unlock OQRO ProAlready have an account? Log in

OQRO Pro is a paid subscription. You see the price before you pay

OQRO describes public disclosures and context calculated from them. It does not give personalized advice and does not recommend any transaction. How OQRO treats data