Bertrand Loy

Insider Reports History

Location
Billerica, MA
Signature
/s/ Serena S. Kenost, 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:

Form 4 holding Executive Chair, Director

ENTEGRIS INC

Security class
Common Stock
Shares / value
227,527
Estimated value
$32,857,174
Report date
17 Apr 2026
Price
$144.41
Ownership
Direct
Form 4 holding Director

HARVARD BIOSCIENCE INC

Security class
Common Stock
Shares / value
499,633
Estimated value
$2,053,492
Report date
21 May 2024
Price
$4.11
Ownership
by Bertrand M. Loy Revocable Trust
Form 4 holding Director

HARVARD BIOSCIENCE INC

Security class
Common Stock
Shares / value
56,575
Estimated value
$232,523
Report date
21 May 2024
Price
$4.11
Ownership
Direct
Form 4 holding Director

ASHLAND INC.

Security class
Restricted Stock Units
Shares / value
1,741
Estimated value
Report date
15 May 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Executive Chair, Director

ENTEGRIS INC

Security class
Employee Stock Option (Right to Buy)
Shares / value
0
Estimated value
Report date
17 Apr 2026
Price
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Insider Reports Filed by Bertrand Loy

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