Teradyne, Inc
TER- Exchange
- Nasdaq
- Industry
- Instruments For Meas & Testing of Electricity & Elec Signals
- SEC CIK
- 0000097210
In the last 90 days, Teradyne, Inc insiders filed 0 open-market purchases and 10 sales; 1,428 institutions reported holding it in 13F filings for Q2 2026, worth $73.2B in total; 3 superinvestors hold it, including Lone Pine Capital and ARK Invest.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Teradyne, Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 10 filings
- 3 insiders, $6.02M in total
- Insiders trading
- 3
- Net value
- −$6.02M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Teradyne, Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Matz Marilyn | Director | 13,841 | Sep 18, 2026 | 8 |
| Smith Gregory Stephen | President and CEO | 108,495 | Sep 16, 2026 | 12 |
| Johnson Mercedes | Director | 6,364 | Sep 2, 2026 | 12 |
| Tufano Paul J | Director | 65,848 | Jun 29, 2026 | 8 |
| Herweck Peter | Director | 16,201 | Jun 29, 2026 | 8 |
| Henry Andrew Chisholm | Director | 2,927 | Jun 29, 2026 | 3 |
| Maddock Ernest E | Director | 10,267 | Jun 16, 2026 | 5 |
| Hathout Jean Pierre | President, Teradyne Robotics | 9,733 | Jun 3, 2026 | 3 |
| Poulin Shannon John | President, Semiconductor Test | 15,722 | May 26, 2026 | 3 |
| Sayiner Necip | Director | 2,800 | May 12, 2026 | 1 |
| van Kralingen Bridget A | Director | 6,224 | May 12, 2026 | 1 |
| Driscoll Ryan | VP, General Counsel, Secretary | 7,665 | May 11, 2026 | 4 |
| Mills Regan | President, Product Test | 11,399 | Apr 9, 2026 | 6 |
| Turner Michelle L. | Chief Financial Officer | 11,260 | Nov 5, 2025 | 1 |
| Kumar Ujjwal | President, Teradyne Robotics | 16,369 | Aug 5, 2025 | 0 |
| Burns Richard John | President, Semiconductor Test | 25,191 | Feb 5, 2025 | 0 |
| Mehta Sanjay | VP and Chief Financial Officer | 36,576 | Feb 5, 2025 | 0 |
| Wood John Francis | President, System Test Group | 14,137 | Feb 4, 2025 | 0 |
| Lukez John | President, LitePoint Corp. | 4,185 | Feb 4, 2025 | 0 |
| Tamer Ford | Director | 7,235 | May 13, 2024 | 0 |
| Guertin Timothy E | Director | 62,729 | Mar 19, 2024 | 0 |
| Gray Charles Jeffrey | VP, General Counsel, Secretary | 24,643 | Jan 31, 2024 | 0 |
| Robbins Brad | President, LitePoint Corp. | 52,772 | Jan 31, 2024 | 0 |
| Gillis Edwin J | Director | 43,921 | Mar 21, 2023 | 0 |
| Jagiela Mark E | CEO | 208,600 | Jan 31, 2023 | 0 |
| Vahey Walter G. | Exec. VP, Corp. Development | 41,570 | Feb 1, 2022 | 0 |
| Bradley Michael A | Director | 24,815 | Dec 17, 2021 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 16, 2026 (view filing) | Jun 15 | 1 day | Smith Gregory StephenPresident and CEO | SSale | −4.00K | $423.03 | −$1.69M | −3.2%120.5K after | 10b5-1 |
| Jun 16, 2026 (view filing) | Jun 15 | 1 day | Matz MarilynDirector | SSale | −1.20K | $423.03 | −$507.6K | −6.4%17.4K after | 10b5-1 |
| Jul 2, 2026 (view filing)1:11 PM ET | Jul 1 | 1 day | Johnson MercedesDirector | SSale | −167 | $460.00 | −$76.8K | −2.4%6.70K after | 10b5-1 |
| Jul 16, 2026 (view filing)1:17 PM ET | Jul 15 | 1 day | Matz MarilynDirector | SSale | −1.20K | $356.31 | −$427.6K | −6.9%16.2K after | 10b5-1 |
| Jul 16, 2026 (view filing)1:22 PM ET | Jul 15 | 1 day | Smith Gregory StephenPresident and CEO | SSale | −4.00K | $356.31 | −$1.43M | −3.3%116.5K after | 10b5-1 |
| Aug 4, 2026 (view filing)11:10 AM ET | Aug 3 | 1 day | Johnson MercedesDirector | SSale | −166 | $358.15 | −$59.5K | −2.5%6.53K after | 10b5-1 |
| Aug 18, 2026 (view filing)11:09 AM ET | Aug 17 | 1 day | Matz MarilynDirector | SSale | −1.20K | $425.00 | −$510.0K | −7.4%15.0K after | 10b5-1 |
| Aug 18, 2026 (view filing)11:14 AM ET | Aug 17 | 1 day | Smith Gregory StephenPresident and CEO | SSale | −4.00K | $425.00 | −$1.70M | −3.4%112.5K after | 10b5-1 |
| Sep 2, 2026 (view filing)2:28 PM ET | Sep 1 | 1 day | Johnson MercedesDirector | SSale | −167 | $341.30 | −$57.0K | −2.6%6.36K after | 10b5-1 |
| Sep 16, 2026 (view filing)12:19 PM ET | Sep 15 | 1 day | Matz MarilynDirector | SSale | −800 | $337.83 | −$270.3K | −5.3%14.2K after | 10b5-1 |
| Sep 16, 2026 (view filing)12:23 PM ET | Sep 15 | 1 day | Smith Gregory StephenPresident and CEO | SSale | −4.00K | $337.83 | −$1.35M | −3.6%108.5K after | 10b5-1 |
| Sep 18, 2026 (view filing)11:38 AM ET | Sep 17 | 1 day | Matz MarilynDirector | SSale | −400 | $351.11 | −$140.4K | −2.8%13.8K after | 10b5-1 |