Updated Jul 16, 2026
Willett Robert has filed 2 SEC Form 4 filings across 2 companies in the last 90 days — selling. Lifetime open-market sales: $10.47M.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-05-22 | CLH | CLEAN HARBORS INC | A — Grant or award | 652 | $0.00 | |
| 2026-05-15 | ALGM | ALLEGRO MICROSYSTEMS, INC. | A — Grant or award | 1.1K | $0.00 | |
| 2026-02-19 | CGNX | COGNEX CORP | F — Tax withholding / forfeiture | 6.8K | $56.72 | $388K |
| 2026-02-19 | CGNX | COGNEX CORP | M — Option exercise | 14.2K | $0.00 | |
| 2026-02-17 | CGNX | COGNEX CORP | S — Open-market sale [10b5-1] | 2.1K | $59.50 | $128K |
| 2026-02-17 | CGNX | COGNEX CORP | M — Option exercise [10b5-1] | 2.1K | $39.44 | $85K |
| 2026-02-13 | CGNX | COGNEX CORP | S — Open-market sale [10b5-1] | 3.8K | $58.39 | $219K |
| 2026-02-13 | CGNX | COGNEX CORP | M — Option exercise [10b5-1] | 3.8K | $39.44 | $148K |
| 2026-02-13 | CGNX | COGNEX CORP | S — Open-market sale [10b5-1] | 173.3K | $58.39 | $10.12M |
| 2026-02-13 | CGNX | COGNEX CORP | M — Option exercise [10b5-1] | 173.3K | $38.39 | $6.65M |
Willett Robert is a corporate insider — currently tracked as Insider of CLEAN HARBORS INC (CLH). InsiderAlpha tracks every SEC Form 4 filing in real time.
2 primary Form 4 filings in the last 90 days, covering 2 companies.
Recorded transactions: 0 open-market purchases () and 3 open-market sales ($10.47M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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