LOY BERTRAND (Executive Chair) sold 17.6% of their position (65.25K shares) of ENTEGRIS INC on the open market

Open‑market sale worth $7.80M — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 6 sales

LOY BERTRAND

Filed: 2/4/2026ACC: 0001101302-26-000007

InsiderLOY BERTRANDCIK 1197452

→

IssuerENTEGRIS INCCIK 1101302

DirectorOfficer· Executive Chair

Since Feb 2026

-65.25K

Net shares

Net seller

$7.80M

Total sold

Open market trades

0B · 6S

Total transactions

65.25K acquired · 130.50K disposed

Non-Derivative Transactions7

Common Stock

Direct

M · Option Exercise

+65.25K

Price / share

$55.72

Trade value

$3.64M

% of position

21.3%

2/2/2026

306.42K→371.67K

Common Stock

Direct

S · Sale

−200.00

Price / share

$115.96

Trade value

$23.19K

% of position

0.1%

2/2/2026

371.67K→371.47K

Common Stock

Direct

S · Sale

−2.41K

Price / share

$117.19

Trade value

$282.66K

% of position

0.6%

2/2/2026

371.47K→369.06K

Common Stock

Direct

S · Sale

−9.29K

Price / share

$118.43

Trade value

$1.10M

% of position

2.5%

2/2/2026

369.06K→359.77K

Common Stock

Direct

S · Sale

−16.42K

Price / share

$119.13

Trade value

$1.96M

% of position

4.6%

2/2/2026

359.77K→343.34K

Common Stock

Direct

S · Sale

−34.52K

Price / share

$120.25

Trade value

$4.15M

% of position

10.1%

2/2/2026

343.34K→308.82K

Common Stock

Direct

S · Sale

−2.40K

Price / share

$120.91

Trade value

$290.18K

% of position

0.8%

2/2/2026

308.82K→306.42K

Total

Net shares

+0.00

Net value

-$4.17M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/2/2026	M · Option Exercise	+65.25K	$55.72	$3.64M	21.3%	306.42K	371.67K
Common Stock Direct	2/2/2026	S · Sale	−200.00	$115.96	$23.19K	0.1%	371.67K	371.47K
Common Stock Direct	2/2/2026	S · Sale	−2.41K	$117.19	$282.66K	0.6%	371.47K	369.06K
Common Stock Direct	2/2/2026	S · Sale	−9.29K	$118.43	$1.10M	2.5%	369.06K	359.77K
Common Stock Direct	2/2/2026	S · Sale	−16.42K	$119.13	$1.96M	4.6%	359.77K	343.34K
Common Stock Direct	2/2/2026	S · Sale	−34.52K	$120.25	$4.15M	10.1%	343.34K	308.82K
Common Stock Direct	2/2/2026	S · Sale	−2.40K	$120.91	$290.18K	0.8%	308.82K	306.42K
Total			+0.00		-$4.17M

Derivative Transactions1

Employee Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

65.25K shares

−65.25K

Strike price

55.72

Held after

0.00

Exercisable

—

2/2/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Employee Stock Option (Right to Buy) Direct	Common Stock65.25K shares	2/2/2026	M · Option Exercise	−65.25K	55.72	—	0.00