Insider Trading & Ownership of Bertrand Loy

Location
Billerica, MA
Summary
The estimated net worth of Bertrand Loy is at least $35,143,189 dollars as of 20 Apr 2026. Bertrand Loy is the Executive Chair, Director of ENTEGRIS INC and owns shares of ENTEGRIS INC (ENTG) stock worth about $32.86M. Bertrand Loy is the Director of HARVARD BIOSCIENCE INC and owns shares of HARVARD BIOSCIENCE INC (HBIO) stock worth about $2.29M.
Signature
/s/ Joseph Colella, Attorney-In-Fact for Bertrand Loy
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Quick Takeaways

  • Bertrand Loy has 2 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $35,143,189.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: ENTEGRIS INC ($32,857,174).
  • Past-year value change for that position: -$36,228,590.

Why This Matters

  • This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
  • You can cross-check role, issuer, and filing chronology directly against the SEC source.

Source Evidence

Filed on Form 4

Insider ownership context is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Ownership of Bertrand Loy

Insider Transactions Reported by Bertrand Loy:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
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