Teradyne, Inc (TER) insider trading
Every open-market stock purchase and sale by Teradyne, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders sold $8.4M over the last 12 months (21 sales). No open-market buys.
- Last insider buy: Marilyn Matz (Director), $1.4K, 2 years ago.
- Congress: Lisa McClain sold $1K to $15K, 11 months ago.
Last 12 months: insiders bought $0 (0 buys) and sold $8.4M (21 sales). Last close $374.69 on Jun 7, 2026.
Recent TER insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Jun 25, 2026 | Andrew Chisholm Henry (Director) | Bought (not open market) | — |
| Jun 25, 2026 | Peter Herweck (Director) | Bought (not open market) | — |
| Jun 25, 2026 | Paul J Tufano (Director) | Bought (not open market) | — |
| Jun 15, 2026 | Gregory Stephen Smith (CEO) | Sold | $1.7M |
| Jun 15, 2026 | Marilyn Matz (Director) | Sold | $508K |
| Jun 12, 2026 | Paul J Tufano (Director) | Bought (not open market) | — |
| Jun 12, 2026 | Peter Herweck (Director) | Bought (not open market) | — |
| Jun 12, 2026 | Ernest E Maddock (Director) | Bought (not open market) | — |
| Jun 2, 2026 | Jean Pierre Hathout (President) | Sold (not open market) | $68.3K |
| Jun 2, 2026 | Mercedes Johnson (Director) | Sold | $61.7K |
| Jun 1, 2026 | Jean Pierre Hathout (President) | Sold (not open market) | $98.6K |
| May 22, 2026 | Shannon John Poulin (President) | Sold | $233K |
| May 21, 2026 | Shannon John Poulin (President) | Sold (not open market) | $530K |
| May 21, 2026 | Shannon John Poulin (President) | Sold | $348K |
| May 21, 2026 | Marilyn Matz (Director) | Sold | $140K |
| May 21, 2026 | Shannon John Poulin (President) | Bought (not open market) | — |
| May 15, 2026 | Gregory Stephen Smith (CEO) | Sold | $2.9M |
| May 15, 2026 | Marilyn Matz (Director) | Sold | $271K |
| May 15, 2026 | Gregory Stephen Smith (CEO) | Bought (not open market) | — |
| May 8, 2026 | Marilyn Matz (Director) | Bought (not open market) | — |
| May 8, 2026 | Necip Sayiner (Director) | Bought (not open market) | — |
| May 8, 2026 | Paul J Tufano (Director) | Bought (not open market) | — |
| May 8, 2026 | Andrew Chisholm Henry (Director) | Bought (not open market) | — |
| May 8, 2026 | Ernest E Maddock (Director) | Bought (not open market) | — |
| May 8, 2026 | Bridget A van Kralingen (Director) | Bought (not open market) | — |
Who's trading TER
- Andrew Chisholm Henry, Director: other filings, last Jun 25, 2026
- Paul J Tufano, Director: other filings, last Jun 25, 2026
- Peter Herweck, Director: other filings, last Jun 25, 2026
- Gregory Stephen Smith, CEO: sold $5.2M (5 sales), last Jun 15, 2026
- Marilyn Matz, Director: sold $919K (3 sales), last Jun 15, 2026
- Ernest E Maddock, Director: other filings, last Jun 12, 2026
- Jean Pierre Hathout, President: other filings, last Jun 2, 2026
- Mercedes Johnson, Director: sold $1.1M (8 sales), last Jun 2, 2026
- Shannon John Poulin, President: sold $581K (2 sales), last May 22, 2026
- Bridget A van Kralingen, Director: other filings, last May 8, 2026
- Necip Sayiner, Director: other filings, last May 8, 2026
- Ryan Driscoll, VP: sold $257K (1 sale), last May 7, 2026
- Regan Mills, President: sold $341K (3 sales), last Apr 8, 2026
- Michelle L. Turner, CFO: other filings, last Nov 3, 2025
- Lisa McClain, Congress: bought $8K (1 buy), sold $16K (2 sales), last Oct 31, 2025
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