Robert Willett insider trades

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

Recent trades

DateStockTradeValue
Sep 30, 2026ALGM Allegro Microsystems, IncBought (not open market)—
Aug 5, 2026ALGM Allegro Microsystems, IncBought (not open market)—
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)—

Companies traded

  • ALGM Allegro Microsystems, Inc: other filings, last Sep 30, 2026
  • CLH Clean Harbors Inc: other filings, last May 20, 2026
  • CGNX Cognex Corp: 63 sales, last Feb 18, 2026

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