Company · CIK 0000097210 · SIC 3825 — Instruments For Meas & Testing of Electricity & Elec Signals · Nasdaq
TERADYNE, INC · TER
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 17, 2026 SForm 4 → | Sep 18, 11:38 am EDT | Marilyn MatzDirector | 400 | $351.11 | $140,444 | 13,841 | −2.81% | 10b5-1 |
| Sep 15, 2026 SForm 4 → | Sep 16, 12:23 pm EDT | Gregory Stephen SmithPresident and CEO, Director | 4,000 | $337.83 | $1,351,320 | 108,495 | −3.56% | 10b5-1 |
| Sep 15, 2026 SForm 4 → | Sep 16, 12:19 pm EDT | Marilyn MatzDirector | 800 | $337.83 | $270,264 | 14,241 | −5.32% | 10b5-1 |
| Sep 1, 2026 SForm 4 → | Sep 2, 2:28 pm EDT | Mercedes JohnsonDirector | 167 | $341.30 | $56,997 | 6,364 | −2.56% | 10b5-1 |
Reported at this company — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.