Teradyne (TER): Director Matz Marilyn sold $140,000 worth of shares (400 units at $350.00) as part of a pre-agreed trading plan (SEC Form 4)
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Historical context for TER
Across the 30 sessions after earlier TER headlines, the stock closed higher 16 times and lower 14 times, with a median move of 3.2% in either direction. This shows timing only: many things move a stock in a session, and these figures do not show that any headline caused a move.
| Session | Earlier headline | TER | SPY |
|---|---|---|---|
| Oct 21, 2026 | Teradyne Robotics and Sereact Partner to Scale Physical AI Solutions for Retail and Logistics | +2.6% | +0.5% |
| Oct 14, 2026 | Teradyne to Announce Third Quarter 2026 Results | -5.5% | -1.1% |
| Oct 12, 2026 | Teradyne Introduces UltraFLEXplus S Series for Edge AI Applications | -4.7% | -0.1% |
| Oct 6, 2026 | Teradyne Introduces Titan HP Platform with Burn-In Capabilities for Advanced AI Data Center Devices | -3.2% | +0.5% |
| Oct 5, 2026 | Teradyne Makes Strategic Investment in Bright Machines to Advance AI Infrastructure Manufacturing | -1.0% | +0.7% |
| Sep 29, 2026 | Teradyne Announces Magnum E2 to Address Next-Generation Memory Test Demands Driven by AI and High-Performance Computing | +0.4% | -0.2% |
Earlier insider filings at TER
- Oct 19, 2026President and CEO Smith Gregory Stephen sold $1,365,120 worth of shares (4,000 units at $341.28) as part of a pre-agreed trading plan (SEC Form 4)
- Oct 19, 2026Director Matz Marilyn sold $273,024 worth of shares (800 units at $341.28) as part of a pre-agreed trading plan (SEC Form 4)
- Oct 2, 2026Director Johnson Mercedes sold $67,284 worth of shares (167 units at $402.90) as part of a pre-agreed trading plan, decreasing direct ownership by 3% to 6,197 units (SEC Form 4)
- Sep 28, 2026Director Herweck Peter was granted 77 shares and acquired 4 shares, increasing direct ownership by 0.50% to 16,282 units (SEC Form 4)
- Sep 28, 2026Director Tufano Paul J was granted 141 shares and acquired 19 shares, increasing direct ownership by 0.24% to 66,008 units (SEC Form 4)
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TER
Teradyne Inc.
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- 30-day
- Sector
- Industrials
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- Electrical Products
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