Robert Willett insider trades

Open-market stock purchases and sales by Robert Willett, Unknown at Clean Harbors Inc, from SEC Form 4 filings since Mar 15, 2010.

Recent trades

DateStockTradeValue
May 20, 2026CLH Clean Harbors IncBought (not open market)—
May 13, 2026ALGM Allegro Microsystems, IncBought (not open market)—
Feb 18, 2026CGNX Cognex CorpSold (not open market)$388K
Feb 18, 2026CGNX Cognex CorpBought (not open market)—
Feb 13, 2026CGNX Cognex CorpSold$128K
Feb 13, 2026CGNX Cognex CorpBought (not open market)—
Feb 12, 2026CGNX Cognex CorpSold$10.1M
Feb 12, 2026CGNX Cognex CorpSold$219K
Feb 12, 2026CGNX Cognex CorpBought (not open market)—
Feb 12, 2026CGNX Cognex CorpBought (not open market)—
Oct 21, 2025CGNX Cognex CorpSold$332K
Oct 21, 2025CGNX Cognex CorpBought (not open market)—

Companies traded

  • CLH Clean Harbors Inc: other filings, last May 20, 2026
  • ALGM Allegro Microsystems, Inc: other filings, last May 13, 2026
  • CGNX Cognex Corp: 63 sales, last Feb 18, 2026

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