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 |
| Aug 17, 2026 SForm 4 → | Aug 18, 11:14 am EDT | Gregory Stephen SmithPresident and CEO, Director | 4,000 | $425.00 | $1,700,000 | 112,495 | −3.43% | 10b5-1 |
| Aug 17, 2026 SForm 4 → | Aug 18, 11:09 am EDT | Marilyn MatzDirector | 1,200 | $425.00 | $510,000 | 15,041 | −7.39% | 10b5-1 |
| Aug 3, 2026 SForm 4 → | Aug 4, 11:10 am EDT | Mercedes JohnsonDirector | 166 | $358.15 | $59,453 | 6,531 | −2.48% | 10b5-1 |
| Jul 15, 2026 SForm 4 → | Jul 16, 1:22 pm EDT | Gregory Stephen SmithPresident and CEO, Director | 4,000 | $356.31 | $1,425,240 | 116,495 | −3.32% | 10b5-1 |
| Jul 15, 2026 SForm 4 → | Jul 16, 1:17 pm EDT | Marilyn MatzDirector | 1,200 | $356.31 | $427,572 | 16,241 | −6.88% | 10b5-1 |
| Jul 1, 2026 SForm 4 → | Jul 2, 1:11 pm EDT | Mercedes JohnsonDirector | 167 | $460.00 | $76,820 | 6,697 | −2.43% | 10b5-1 |
| Jun 25, 2026 AForm 4 → | Jun 29, 5:18 pm EDT | Paul J TufanoDirector | 116 | — | — | 65,848 | — | |
| Jun 25, 2026 AForm 4 → | Jun 29, 5:13 pm EDT | Andrew Chisholm HenryDirector | 52 | — | — | 2,927 | — | |
| Jun 25, 2026 AForm 4 → | Jun 29, 5:04 pm EDT | Peter HerweckDirector | 63 | — | — | 16,201 | — | |
| Jun 15, 2026 SForm 4 → | Jun 16, 6:01 pm EDT | Marilyn MatzDirector | 1,200 | $423.03 | $507,636 | 17,441 | −6.44% | 10b5-1 |
| Jun 15, 2026 SForm 4 → | Jun 16, 5:57 pm EDT | Gregory Stephen SmithPresident and CEO, Director | 4,000 | $423.03 | $1,692,120 | 120,470 | −3.21% | 10b5-1 |
| Jun 12, 2026 JForm 4 → | Jun 16, 5:15 pm EDT | Ernest E MaddockDirector | 2 | — | — | 10,267 | — | |
| Jun 12, 2026 JForm 4 → | Jun 16, 5:10 pm EDT | Peter HerweckDirector | 4 | — | — | 16,138 | — | |
| Jun 12, 2026 JForm 4 → | Jun 16, 4:59 pm EDT | Paul J TufanoDirector | 19 | — | — | 65,732 | — | |
| Jun 2, 2026 SForm 4 → | Jun 3, 4:54 pm EDT | Mercedes JohnsonDirector | 167 | $369.74 | $61,747 | 6,864 | −2.38% | 10b5-1 |
| Jun 1, 2026 FForm 4 → | Jun 3, 5:07 pm EDT | Jean Pierre HathoutPresident, Teradyne Robotics | 441 | $378.60 | $166,964 | 9,733 | — |
Reported at this company — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.