Marilyn Matz sold $510k of TER
director at TERADYNE, INC. 1,200 shares at an average of $425.00, traded Aug 17, 2026, filed Aug 18, 2026.
Score components
- +15RoleDirector
- +18Trade size$510k at market
- 0Share of holdings soldSold 7.4% of holdings
- +15Cluster3 insiders selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0000904454-26-000462, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 17, 2026 | SOpen-market sale Common Stock10b5-1 | -1,200 | $425.00 | $510k | 15,041 | Aug 18, 2026 |
Related signals
Other insiders at TERADYNE, INC and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 11Weak | TERADYNE, INC | Mercedes Johnson director | $67k 167 shares | -3% | |
| 21Weak | TERADYNE, INC | Marilyn Matz director | $140k 400 shares | -3% | |
| 23Weak | TERADYNE, INC | Marilyn Matz director | $270k 800 shares | -5% | |
| 45Moderate | TERADYNE, INC | Gregory Stephen Smith President and CEO | $1.4M 4,000 shares | -4% | |
| 17Weak | TERADYNE, INC | Mercedes Johnson director | $57k 167 shares | -3% | |
| 45Moderate | TERADYNE, INC | Gregory Stephen Smith President and CEO | $1.7M 4,000 shares | -3% | |
| 17Weak | TERADYNE, INC | Mercedes Johnson director | $59k 166 shares | -2% | |
| 27Weak | TERADYNE, INC | Marilyn Matz director | $428k 1,200 shares | -7% | |
| 45Moderate | TERADYNE, INC | Gregory Stephen Smith President and CEO | $1.4M 4,000 shares | -3% | |
| 18Weak | TERADYNE, INC | Mercedes Johnson director | $77k 167 shares | -2% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.