Insider · CIK 0001438093
Robert Willett
Files at CLH (CLEAN HARBORS INC), CGNX (COGNEX CORP), ALGM (ALLEGRO MICROSYSTEMS, INC.). First filing Oct 22, 2025, latest Oct 22, 2025.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
CGNX: COGNEX CORP
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 15Weak | COGNEX CORP | $332k 6,704 shares | -100% | +108% from low0% from high |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 30, 2026 | ALGM ALLEGRO MICROSYSTEMS, INC. | AGrant or award Deferred Stock Unitsderivative | +619 | $0.00 | $0 | 4,870 | 11 d ago |
| Oct 21, 2025 | CGNX COGNEX CORP | MOption exercise Common Stock10b5-1 | +6,704 | $38.39 | $257k | 6,704 | Oct 22, 2025 |
| Oct 21, 2025 | CGNX COGNEX CORP | SOpen-market sale Common Stock10b5-1 | -6,704 | $49.51 | $332k | 0 | Oct 22, 2025 |
| Oct 21, 2025 | CGNX COGNEX CORP | MOption exercise Non-Qualified Stock Option (right to buy)derivative10b5-1 | -6,704 | $0.00 | $0 | 173,296 | Oct 22, 2025 |
| May 21, 2025 | CLH CLEAN HARBORS INC | AGrant or award Common Stock | +789 | $0.00 | $0 | 9,376 | May 23, 2025 |
| Feb 18, 2025 | CGNX COGNEX CORP | AGrant or award Non-Qualified Stock Option (right to buy)derivative | +193,201 | $0.00 | $0 | 193,201 | Feb 20, 2025 |
| Feb 18, 2025 | CGNX COGNEX CORP | AGrant or award Restricted Stock Unitderivative | +70,824 | $0.00 | $0 | 70,824 | Feb 20, 2025 |
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.