BERTRAND LOY

Insider Reports History

Location
Billerica, MA
Signature
/s/ Joseph Colella, Attorney-In-Fact for Bertrand Loy
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by BERTRAND LOY:

Company Role Class Num Shares Value Price $ Report Date Ownership
ENTEGRIS INC Executive Chair, Director Common Stock 305,820 $23,746,923 $77.65 01 Dec 2025 Direct
HARVARD BIOSCIENCE INC Director Common Stock 499,633 $2,053,492 $4.11 21 May 2024 by Bertrand M. Loy Revocable Trust
HARVARD BIOSCIENCE INC Director Common Stock 56,575 $232,523 $4.11 21 May 2024 Direct
ENTEGRIS INC Executive Chair, Director Employee Stock Option (Right to Buy) 0 01 Dec 2025 Direct

Insider Reports Filed by BERTRAND LOY

Symbol Company Period Transactions Value $ Form Type Role Filing Time
ENTG ENTEGRIS INC 01 Dec 2025 5 -$2,507,186 4 Executive Chair, Director 03 Dec 2025, 11:53
ENTG ENTEGRIS INC 05 Apr 2025 1 -$302,036 4 President & CEO, Director 08 Apr 2025, 16:10
ENTG ENTEGRIS INC 01 Apr 2025 2 $0 4 President & CEO, Director 03 Apr 2025, 15:53
ENTG ENTEGRIS INC 20 Feb 2025 1 -$1,396,527 4 President & CEO, Director 24 Feb 2025, 19:37
ENTG ENTEGRIS INC 19 Feb 2025 2 -$661,655 4 President & CEO, Director 21 Feb 2025, 20:25
ENTG ENTEGRIS INC 03 Jul 2024 5 -$2,962,080 4 President & CEO, Director 08 Jul 2024, 15:28
HBIO HARVARD BIOSCIENCE INC 21 May 2024 1 $0 4 Director 23 May 2024, 16:24
ENTG ENTEGRIS INC 01 Apr 2024 2 $0 4 President & CEO, Director 03 Apr 2024, 15:17
ENTG ENTEGRIS INC 16 Feb 2024 3 -$3,401,507 4 President & CEO, Director 21 Feb 2024, 17:00
ENTG ENTEGRIS INC 15 Aug 2023 1 -$897,056 4 President & CEO, Director 17 Aug 2023, 17:27
HBIO HARVARD BIOSCIENCE INC 22 May 2023 1 $0 4 Director 23 May 2023, 16:03
ENTG ENTEGRIS INC 17 Feb 2023 1 -$1,207,490 4 President & CEO, Director 21 Feb 2023, 15:02
ENTG ENTEGRIS INC 13 Feb 2023 2 -$741,271 4 President & CEO, Director 15 Feb 2023, 15:05
ENTG ENTEGRIS INC 31 Jan 2023 2 $0 4 President & CEO, Director 02 Feb 2023, 15:08
HBIO HARVARD BIOSCIENCE INC 06 Sep 2022 1 $0 4 Director 15 Sep 2022, 16:02
HBIO HARVARD BIOSCIENCE INC 26 Aug 2022 1 +$31,682 4 Director 29 Aug 2022, 17:24
HBIO HARVARD BIOSCIENCE INC 24 Aug 2022 2 +$83,385 4 Director 26 Aug 2022, 16:02
HBIO HARVARD BIOSCIENCE INC 22 Aug 2022 2 +$44,414 4 Director 24 Aug 2022, 16:06
HBIO HARVARD BIOSCIENCE INC 18 Aug 2022 2 +$35,186 4 Director 22 Aug 2022, 16:08
ENTG ENTEGRIS INC 15 Aug 2022 1 -$986,134 4 President & CEO, Director 17 Aug 2022, 16:08
ENTG ENTEGRIS INC 06 Jul 2022 1 $0 4 President & CEO, Director 08 Jul 2022, 16:43
HBIO HARVARD BIOSCIENCE INC 24 May 2022 1 $0 4 Director 26 May 2022, 16:08
ENTG ENTEGRIS INC 18 Feb 2022 1 -$1,958,448 4 President & CEO, Director 23 Feb 2022, 15:12
ENTG ENTEGRIS INC 11 Feb 2022 2 -$1,326,085 4 President & CEO, Director 15 Feb 2022, 15:07
ENTG ENTEGRIS INC 01 Feb 2022 2 $0 4 President & CEO, Director 03 Feb 2022, 15:21
HBIO HARVARD BIOSCIENCE INC 01 Jan 2022 1 $0 4 Director 03 Jan 2022, 18:51
HBIO HARVARD BIOSCIENCE INC 28 Dec 2021 1 $0 4 Director 29 Dec 2021, 15:22
ENTG ENTEGRIS INC 11 Aug 2021 0 $0 4/A President & CEO, Director 27 Aug 2021, 16:35
ENTG ENTEGRIS INC 09 Aug 2021 8 -$16,890,402 4 President & CEO, Director 11 Aug 2021, 16:06
ENTG ENTEGRIS INC 04 Aug 2021 4 -$7,046,767 4 President & CEO, Director 06 Aug 2021, 16:08
HBIO HARVARD BIOSCIENCE INC 25 May 2021 1 $0 4 Director 27 May 2021, 16:17