Thomas St Dennis insider trades

Open-market stock purchases and sales by Thomas St Dennis, Director at Formfactor Inc, from SEC Form 4 filings since Sep 13, 2010.

Track record: 100% of 1 scored buy are up 5% or more since purchase, averaging +91%.

Recent trades

DateStockTradeValue
Jun 16, 2026FORM Formfactor IncSold (not open market)—
Jun 15, 2026FORM Formfactor IncSold$424K
May 22, 2026ACLS Axcelis Technologies IncSold$140K
May 19, 2026FORM Formfactor IncSold$116K
May 15, 2026ACLS Axcelis Technologies IncBought (not open market)—
May 15, 2026FORM Formfactor IncBought (not open market)—
May 11, 2026VECO Veeco Instruments IncSold$86.7K
May 8, 2026VECO Veeco Instruments IncBought (not open market)—
Feb 10, 2026FORM Formfactor IncSold$525K
Feb 10, 2026FORM Formfactor IncSold$172K
Nov 17, 2025FORM Formfactor IncSold$99.7K

Companies traded

  • FORM Formfactor Inc: 1 buy, 50 sales, last Jun 16, 2026
  • ACLS Axcelis Technologies Inc: 8 sales, last May 22, 2026
  • VECO Veeco Instruments Inc: 1 buy, 3 sales, last May 11, 2026
  • MTSN Mattson Technology Inc: other filings, last May 11, 2016

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