Olivier Blachier Entegris Inc (ENTG) insider trading activity

Olivier Blachier is SVP, Chief Strategy Officer of ENTEGRIS INC. Currently has a direct ownership of 14,124 shares of ENTG, which is worth approximately $1.11 Million. The most recent transaction as insider was on Nov 17, 2025, when has been sold 488 shares (Common Stock) at a price of $77.43 per share, resulting in proceeds of $37,785. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 14.1K

5.35% 3M change

22.67% 12M change

Total Value Held $1.11 Million

Olivier Blachier Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Nov 17 2025	SELL Open market or private sale	$37,785 $77.43 p/Share	488 Reduced 3.34%	14,124 Common Stock
Nov 14 2025	SELL Payment of exercise price or tax liability	$34,834 $78.28 p/Share	445 Reduced 2.96%	14,612 Common Stock
May 22 2025	SELL Open market or private sale	$19,860 $72.22 p/Share	275 Reduced 1.81%	14,923 Common Stock
Apr 05 2025	SELL Payment of exercise price or tax liability	$14,974 $65.39 p/Share	229 Reduced 1.48%	15,198 Common Stock
Apr 01 2025	BUY Grant, award, or other acquisition	-	4,524 Added 22.68%	15,427 Common Stock
Feb 21 2025	SELL Open market or private sale	$106,272 $108.0 p/Share	984 Reduced 8.28%	10,903 Common Stock
Feb 20 2025	SELL Payment of exercise price or tax liability	$53,995 $107.99 p/Share	500 Reduced 4.04%	11,887 Common Stock
Feb 20 2025	SELL Payment of exercise price or tax liability	$34,448 $107.99 p/Share	319 Reduced 2.53%	12,281 Common Stock
Feb 19 2025	BUY Grant, award, or other acquisition	-	1,086 Added 7.94%	12,600 Common Stock
Nov 18 2024	SELL Open market or private sale	$48,854 $97.32 p/Share	502 Reduced 4.18%	11,514 Common Stock
Nov 15 2024	SELL Payment of exercise price or tax liability	$40,728 $97.67 p/Share	417 Reduced 3.35%	12,016 Common Stock
May 16 2024	SELL Open market or private sale	$265,806 $133.84 p/Share	1,986 Reduced 13.85%	12,355 Common Stock
Apr 01 2024	BUY Grant, award, or other acquisition	-	3,112 Added 17.83%	14,341 Common Stock
Feb 16 2024	SELL Payment of exercise price or tax liability	$68,405 $136.81 p/Share	500 Reduced 4.26%	11,229 Common Stock
Nov 15 2023	SELL Payment of exercise price or tax liability	$42,884 $102.84 p/Share	417 Reduced 3.43%	11,729 Common Stock
Feb 17 2023	SELL Payment of exercise price or tax liability	$14,702 $85.48 p/Share	172 Reduced 1.41%	12,068 Common Stock
Jan 31 2023	BUY Grant, award, or other acquisition	-	4,460 Added 26.71%	12,240 Common Stock
Nov 15 2022	SELL Payment of exercise price or tax liability	$33,480 $80.29 p/Share	417 Reduced 5.2%	7,595 Common Stock
Feb 01 2022	BUY Grant, award, or other acquisition	-	2,332 Added 22.54%	8,012 Common Stock
Oct 31 2021	BUY Grant, award, or other acquisition	-	5,680 Added 50.0%	5,680 No Securities Benefici...

Olivier Blachier

SVP, Chief Strategy Officer

Billerica, MA

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