Teradyne (TER)CEO sold ~$2.91M

~$2.91M

Approx. value · 8,597 sh @ $338.98

124K

Holds after · shares reported

Traded

May 15, 2026

Filed

May 19, 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. Oct 30, 2025Federal contract · $2.7M obligatedDepartment of Defense awarded Teradyne: $2.71M obligated to date
2. Dec 15, 2025Federal contract · $8.4M obligatedDepartment of Defense awarded Teradyne: $8.36M obligated to date
3. Dec 29, 2025Federal contract · $791K obligatedDepartment of Defense awarded Teradyne: $791K obligated to date
4. Dec 29, 2025Federal contract · $4.4M obligatedDepartment of Defense awarded Teradyne: $4.43M obligated to date
5. Mar 27, 20265% stakeThe Vanguard Group reported a passive stake (13G)
6. Mar 27, 2026Federal contract · $1.5M obligatedDepartment of Defense awarded Teradyne: $1.53M obligated to date
7. Mar 27, 2026CongressDisclosed purchase of TER — reported range $1,001 - $15,000
8. Apr 2, 2026InsiderOfficer sold ~$73K of TER shares in the open market
9. Apr 6, 2026InsiderDirector sold ~$195K of TER shares in the open market
10. Apr 8, 2026InsiderOfficer sold ~$5.5K of TER shares in the open market
11. Apr 28, 2026Company filing · Form 8-K · ResultsReported its results
12. Apr 28, 2026Federal contract · $837K obligatedDepartment of Defense awarded Teradyne: $837K obligated to date
13. Apr 29, 20265% stakeVanguard Capital Management reported a passive stake (13G) of 7.5%
14. Apr 29, 20265% stakeVanguard Portfolio Management reported a passive stake (13G) of 5.5%
15. May 7, 2026InsiderOfficer sold ~$257K of TER shares in the open market
16. May 15, 2026 · this disclosureInsider · Their largest sale since 2017CEO sold ~$2.91M of TER shares in the open market

What came next

1. May 15, 2026Federal contract · $721K obligatedDepartment of Defense awarded Teradyne: $721K obligated to date
2. May 15, 2026InsiderDirector sold ~$271K of TER shares in the open market
3. May 21, 2026Insider · 2 peopleInsiders: 2 sales (~$488K)
4. May 22, 2026Federal contract · $856K obligatedDepartment of Defense awarded Teradyne: $856K obligated to date
5. May 22, 2026InsiderOfficer sold ~$233K of TER shares in the open market
6. Jun 2, 2026InsiderDirector sold ~$62K of TER shares in the open market
7. Jun 4, 20265% stakeBlackRock, Inc. reported a passive stake (13G) of 10.1%
8. Jun 15, 2026Insider · 2 peopleInsiders: 2 sales (~$2.2M)
9. Jul 1, 2026InsiderDirector sold ~$77K of TER shares in the open market
10. Jul 2, 2026Federal contract · $1.2M obligatedDepartment of Defense awarded Teradyne: $1.2M obligated to date
11. Jul 15, 2026Insider · 2 peopleInsiders: 2 sales (~$1.9M)
12. Jul 28, 2026Company filing · Form 8-K · ResultsReported its results
13. Jul 30, 20265% stakeBlackRock, Inc. reported a passive stake (13G) of 11.1%
14. Aug 3, 2026InsiderDirector sold ~$59K of TER shares in the open market
15. Aug 7, 2026Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations
16. Aug 17, 2026Insider · 2 peopleInsiders: 2 sales (~$2.2M)
17. Sep 1, 2026InsiderDirector sold ~$57K of TER shares in the open market

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 Gregory Stephen Smith, President and CEO

• SEC Form 4 at Teradyne (TER)Sep 16, 2026
• SEC Form 4 at Teradyne (TER)Aug 18, 2026
• SEC Form 4 at Teradyne (TER)Jul 16, 2026
• SEC Form 4 at Teradyne (TER)Jun 17, 2026
• SEC Form 4 at Teradyne (TER)Dec 15, 2025

The full history of Gregory Stephen Smith, President and CEO is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Teradyne

• SEC Form 4Oct 2, 2026
• SEC Form 144Oct 1, 2026
• SEC Form 4Sep 18, 2026
• SEC Form 144Sep 17, 2026
• SEC Form 4Sep 16, 2026
• SEC Form 4Sep 16, 2026

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