Bertrand Loy
President & CEO at Entegris Inc.
Sits on 2 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 2 boards, counting each seat separately. Longest: Entegris Inc., 3 years.
Chief executive roles
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Jul 3, 2024 | Entegris Inc. | Option exercise | +27,044 | $31.10 | $841,068 |
| Jul 3, 2024 | Entegris Inc. | Open-market sale | โ19,509 | $140.29 | $2,736,918 |
| Jul 3, 2024 | Entegris Inc. | Open-market sale | โ7,035 | $141.46 | $995,171 |
| Jul 3, 2024 | Entegris Inc. | Open-market sale | โ500 | $142.12 | $71,060 |
| May 21, 2024 | Harvard Bioscience Inc. | Grant or award | +56,575 | โ | โ |
| Apr 1, 2024 | Entegris Inc. | Grant or award | +38,208 | โ | โ |
| Feb 20, 2024 | Entegris Inc. | Grant or award | +20,534 | โ | โ |
| Feb 20, 2024 | Entegris Inc. | Shares withheld for tax | โ9,107 | $136.81 | $1,245,929 |
| Feb 16, 2024 | Entegris Inc. | Shares withheld for tax | โ15,756 | $136.81 | $2,155,578 |
| Aug 15, 2023 | Entegris Inc. | Shares withheld for tax | โ9,357 | $95.87 | $897,056 |
| May 22, 2023 | Harvard Bioscience Inc. | Grant or award | +31,516 | โ | โ |
| Feb 17, 2023 | Entegris Inc. | Shares withheld for tax | โ14,126 | $85.48 | $1,207,490 |
| Feb 13, 2023 | Entegris Inc. | Grant or award | +19,676 | โ | โ |
| Feb 13, 2023 | Entegris Inc. | Shares withheld for tax | โ8,727 | $84.94 | $741,271 |
| Jan 31, 2023 | Entegris Inc. | Grant or award | +51,292 | โ | โ |
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