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Loy Bertrand

In the past year, 5 open-market sale filings worth $36.2M and no purchases.

Current role at each company

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
–
0 filings
Sold
$36.2M
5 filings
Net
−$36.2M
Bought minus sold
Companies
1
With open-market trades

Trades

Every Form 4 that lists Loy Bertrand as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

ENTG Entegris Inc

Executive Chair11 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Apr 20, 2026 (view filing)Apr 173 daysLoy BertrandExecutive ChairSSale−44.1K$144.41−$6.37M−16.2%227.5K after10b5-1
Apr 16, 2026 (view filing)Apr 142 daysLoy BertrandExecutive ChairSSale−17.4K$140.22−$2.44M−7.1%227.5K after10b5-1
Feb 26, 2026 (view filing)Feb 24-252 daysLoy BertrandExecutive ChairSSale−109.8K$138.25−$15.2M−33.5%217.8K after7 lots10b5-1
Feb 4, 2026 (view filing)Feb 22 daysLoy BertrandExecutive ChairSSale−65.3K$119.61−$7.80M−17.6%306.4K after6 lots10b5-1
Dec 3, 2025 (view filing)Dec 12 daysLoy BertrandExecutive ChairSSale−57.6K$76.88−$4.43M−15.8%305.8K after3 lots10b5-1
Jul 8, 2024 (view filing)Jul 35 daysLoy BertrandPresident & CEOSSale−27.0K$140.63−$3.80M−9.3%263.1K after3 lots10b5-1
Aug 13, 2021 (view filing)Aug 112 daysLoy BertrandPresident & CEOSSale−23.7K$116.66−$2.77M−100.0%0 afterFrom original5 lots
Aug 11, 2021 (view filing)Aug 92 daysLoy BertrandPresident & CEOSSale−9.81K$121.47−$1.19M−5.3%174.1K after2 lots
Aug 11, 2021 (view filing)Aug 9-102 daysLoy BertrandPresident & CEOSSale−130.0K$120.76−$15.7M−84.6%23.7K after6 lots
Aug 6, 2021 (view filing)Aug 42 daysLoy BertrandPresident & CEOSSale−17.0K$125.42−$2.13M−8.5%183.9K after2 lots

See all 11 trades at ENTG

HBIO Harvard Bioscience Inc

Director4 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 29, 2022 (view filing)Aug 263 daysLoy BertrandDirectorPPurchase+9.29K$3.41+$31.7K+2.4%399.7K after
Aug 26, 2022 (view filing)Aug 24-252 daysLoy BertrandDirectorPPurchase+25.5K$3.27+$83.4K+7.0%390.4K after2 lots
Aug 24, 2022 (view filing)Aug 22-232 daysLoy BertrandDirectorPPurchase+13.9K$3.21+$44.4K+3.9%364.8K after2 lots
Aug 22, 2022 (view filing)Aug 18-194 daysLoy BertrandDirectorPPurchase+10.8K$3.27+$35.2K+3.2%351.0K after2 lots