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Politician trade (Senate)

Teradyne (TER)Sen. Alan Armstrong disclosed a purchase $1K–$15K

Sen. Alan Armstrong disclosed a purchase of Teradyne in the $1K–$15K range.

$1,001–$15,000
Reported range · official band, not an exact amount
116 days
Disclosure lag
Traded
Mar 27, 2026
Disclosed
Jul 21, 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 29, 2025Federal contract · $791K obligatedDepartment of Defense awarded Teradyne: $791K obligated to date
  3. Dec 29, 2025Federal contract · $4.4M obligatedDepartment of Defense awarded Teradyne: $4.43M obligated to date
  4. Feb 2, 2026Company filing · Form 8-K · ResultsReported its results
  5. Feb 5, 2026InsiderDirector sold ~$167K of TER shares in the open market
  6. Feb 25, 2026InsiderOfficer sold ~$262K of TER shares in the open market
  7. Mar 5, 2026InsiderDirector sold ~$187K of TER shares in the open market
  8. Mar 27, 2026 · this disclosureCongressDisclosed purchase of TER — reported range $1,001 - $15,000

What came next

  1. Mar 27, 20265% stakeThe Vanguard Group reported a passive stake (13G)
  2. Mar 27, 2026Federal contract · $1.5M obligatedDepartment of Defense awarded Teradyne: $1.53M obligated to date
  3. Apr 2, 2026InsiderOfficer sold ~$73K of TER shares in the open market
  4. Apr 6, 2026InsiderDirector sold ~$195K of TER shares in the open market
  5. Apr 8, 2026InsiderOfficer sold ~$5.5K of TER shares in the open market
  6. Apr 28, 2026Company filing · Form 8-K · ResultsReported its results
  7. Apr 28, 2026Federal contract · $837K obligatedDepartment of Defense awarded Teradyne: $837K obligated to date
  8. Apr 29, 20265% stakeVanguard Capital Management reported a passive stake (13G) of 7.5%
  9. Apr 29, 20265% stakeVanguard Portfolio Management reported a passive stake (13G) of 5.5%
  10. May 7, 2026InsiderOfficer sold ~$257K of TER shares in the open market
  11. May 15, 2026Federal contract · $721K obligatedDepartment of Defense awarded Teradyne: $721K obligated to date
  12. May 15, 2026Insider · 2 peopleInsiders: 2 sales (~$3.2M)
  13. May 21, 2026Insider · 2 peopleInsiders: 2 sales (~$488K)
  14. May 22, 2026Federal contract · $856K obligatedDepartment of Defense awarded Teradyne: $856K obligated to date
  15. May 22, 2026InsiderOfficer sold ~$233K of TER shares in the open market
  16. Jun 2, 2026InsiderDirector sold ~$62K of TER shares in the open market
  17. Jun 4, 20265% stakeBlackRock, Inc. reported a passive stake (13G) of 10.1%
  18. Jun 15, 2026Insider · 2 peopleInsiders: 2 sales (~$2.2M)
  19. Jul 1, 2026InsiderDirector sold ~$77K of TER shares in the open market
  20. Jul 2, 2026Federal contract · $1.2M obligatedDepartment of Defense awarded Teradyne: $1.2M obligated to date
View the official recordSenate eFD periodic transaction report

How to read Senate eFD periodic transaction report

The STOCK Act is a 2012 US law that requires members of Congress, and some senior staff, to publicly report their stock trades, and those of their spouse and dependent children, within 45 days.

Full guide: What is the STOCK Act?

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 Sen. Alan Armstrong

The full history of Sen. Alan Armstrong 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.

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