LOY BERTRAND (Executive Chair) sold 33.5% of their position (109.84K shares) of ENTEGRIS INC on the open market

Open‑market sale worth $15.19M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 7 sales

LOY BERTRAND

Filed: 2/26/2026ACC: 0001101302-26-000044

InsiderLOY BERTRANDCIK 1197452

→

IssuerENTEGRIS INCCIK 1101302

DirectorOfficer· Executive Chair

Since Feb 2026

-109.84K

Net shares

Net seller

$15.19M

Total sold

Open market trades

0B · 7S

Total transactions

9.84K acquired · 119.68K disposed

Non-Derivative Transactions8

Common Stock

Direct

M · Option Exercise

+9.84K

Price / share

$98.11

Trade value

$965.21K

% of position

3.1%

2/24/2026

317.77K→327.61K

Common Stock

Direct

S · Sale

−6.96K

Price / share

$140.49

Trade value

$977.11K

% of position

2.1%

2/24/2026

327.61K→320.65K

Common Stock

Direct

S · Sale

−2.78K

Price / share

$141.45

Trade value

$393.66K

% of position

0.9%

2/24/2026

320.65K→317.87K

Common Stock

Direct

S · Sale

−100.00

Price / share

$142.19

Trade value

$14.22K

% of position

0.0%

2/24/2026

317.87K→317.77K

Common Stock

Direct

S · Sale

−47.61K

Price / share

$138.57

Trade value

$6.60M

% of position

15.0%

2/24/2026

317.77K→270.16K

Common Stock

Direct

S · Sale

−2.07K

Price / share

$139.14

Trade value

$287.60K

% of position

0.8%

2/24/2026

270.16K→268.09K

Common Stock

Direct

S · Sale

−46.52K

Price / share

$137.32

Trade value

$6.39M

% of position

17.4%

2/25/2026

268.09K→221.57K

Common Stock

Direct

S · Sale

−3.80K

Price / share

$138.57

Trade value

$526.57K

% of position

1.7%

2/25/2026

221.57K→217.77K

Total

Net shares

−100K

Net value

-$14.22M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/24/2026	M · Option Exercise	+9.84K	$98.11	$965.21K	3.1%	317.77K	327.61K
Common Stock Direct	2/24/2026	S · Sale	−6.96K	$140.49	$977.11K	2.1%	327.61K	320.65K
Common Stock Direct	2/24/2026	S · Sale	−2.78K	$141.45	$393.66K	0.9%	320.65K	317.87K
Common Stock Direct	2/24/2026	S · Sale	−100.00	$142.19	$14.22K	0.0%	317.87K	317.77K
Common Stock Direct	2/24/2026	S · Sale	−47.61K	$138.57	$6.60M	15.0%	317.77K	270.16K
Common Stock Direct	2/24/2026	S · Sale	−2.07K	$139.14	$287.60K	0.8%	270.16K	268.09K
Common Stock Direct	2/25/2026	S · Sale	−46.52K	$137.32	$6.39M	17.4%	268.09K	221.57K
Common Stock Direct	2/25/2026	S · Sale	−3.80K	$138.57	$526.57K	1.7%	221.57K	217.77K
Total			−100K		-$14.22M

Derivative Transactions1

Employee Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

9.84K shares

−9.84K

Strike price

98.11

Held after

61.53K

Exercisable

—

2/24/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Employee Stock Option (Right to Buy) Direct	Common Stock9.84K shares	2/24/2026	M · Option Exercise	−9.84K	98.11	—	61.53K