LOY BERTRAND

ENTG

LOY BERTRAND serves as director, officer: Executive Chair at Entegris, Inc. (ENTG). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

4 trades

$194.7K

Total Sells

22 trades

$154.54M

Net Position

Net Seller

$154.34M

Companies Traded

ENTG, HBIO

Active Period

Apr 2021 – Apr 2026

26 total trades

Most Recent

Sell ENTG

Apr 20, 2026 · $6.37M

LOY BERTRAND's Insider Trading at Entegris, Inc. (ENTG)

Buys

0 · $0.00

Sells

22 · $154.54M

Total Shares Bought

Total Shares Sold

1,280,457

ENTG Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Apr 20, 2026	Sell	44,138	$144.41	$6.37M	227,527
Apr 16, 2026	Sell	17,396	$140.22	$2.44M	227,527
Feb 26, 2026	Sell	109,838	$138.25	$15.19M	320,650
Feb 19, 2026	Sell	23,279	$132.67	$3.09M	0
Feb 2, 2026	Sell	65,250	$119.61	$7.80M	371,472
Dec 1, 2025	Sell	57,570	$76.88	$4.43M	347,030
Apr 5, 2025	Sell	4,619	$65.39	$302.0K	305,820
Feb 20, 2025	Sell	12,932	$107.99	$1.40M	256,680
Feb 19, 2025	Sell	6,127	$107.99	$661.7K	269,612
Jul 3, 2024	Sell	27,044	$140.63	$3.80M	270,603
Feb 16, 2024	Sell	24,863	$136.81	$3.40M	224,860
Aug 15, 2023	Sell	9,357	$95.87	$897.1K	229,189
Feb 17, 2023	Sell	14,126	$85.48	$1.21M	238,546
Feb 13, 2023	Sell	8,727	$84.94	$741.3K	252,672
Aug 15, 2022	Sell	9,357	$105.39	$986.1K	190,431
Feb 18, 2022	Sell	15,043	$130.19	$1.96M	199,672
Feb 11, 2022	Sell	10,653	$124.48	$1.33M	214,715
Aug 11, 2021	Sell	23,710	$116.66	$2.77M	6,500
Aug 9, 2021	Sell	139,806	$120.81	$16.89M	181,174
Aug 4, 2021	Sell	56,178	$125.44	$7.05M	184,806
Apr 12, 2021	Sell	300,000	$118.58	$35.57M	486,254
Apr 5, 2021	Sell	300,444	$120.69	$36.26M	767,687

LOY BERTRAND's Insider Trading at Harvard Bioscience, Inc. (HBIO)

Buys

4 · $194.7K

Sells

0 · $0.00

Total Shares Bought

59,442

Total Shares Sold

HBIO Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Aug 29, 2022	Buy	9,291	$3.41	$31.7K	399,651
Aug 26, 2022	Buy	25,535	$3.27	$83.4K	390,360
Aug 24, 2022	Buy	13,857	$3.21	$44.4K	364,825
Aug 22, 2022	Buy	10,759	$3.27	$35.2K	350,968