Entegris (NASDAQ: ENTG) chair exercises 65,250 options, sells stock

Rhea-AI Filing Summary

ENTEGRIS INC Executive Chair Bertrand Loy reported exercising employee stock options and selling common shares. On February 2, 2026, he exercised 65,250 options at an exercise price of $55.72 per share, converting them into common stock.

That same day he sold multiple blocks of common stock, including 200 shares at $115.96, 2,412 shares at $117.19, 9,292 shares at $118.43, 16,424 shares at $119.13, 34,522 shares at $120.25, and 2,400 shares at $120.91, with several prices reported as weighted averages. The sales were made under a Rule 10b5-1 trading plan. After these transactions, Loy directly beneficially owned 306,422 shares of Entegris common stock.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

LOY BERTRAND

(Last) (First) (Middle)

C/O ENTEGRIS, INC.

129 CONCORD ROAD

(Street)

BILLERICA MA 01821

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ENTEGRIS INC [ ENTG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Executive Chair

3. Date of Earliest Transaction (Month/Day/Year)
02/02/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/02/2026		M		65,250	A	$55.72	371,672(1)	D
Common Stock	02/02/2026		S		200(2)	D	$115.96(3)	371,472	D
Common Stock	02/02/2026		S		2,412(2)	D	$117.19(4)	369,060	D
Common Stock	02/02/2026		S		9,292(2)	D	$118.43(5)	359,768	D
Common Stock	02/02/2026		S		16,424(2)	D	$119.13(6)	343,344	D
Common Stock	02/02/2026		S		34,522(2)	D	$120.25(7)	308,822	D
Common Stock	02/02/2026		S		2,400(2)	D	$120.91(8)	306,422	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option (Right to Buy)	$55.72	02/02/2026		M			65,250	(9)	02/19/2027	Common Stock	65,250	(10)	0	D

Explanation of Responses:

1. This amount reflects an additional 602 shares to correct an error in the number of shares initially withheld to satisfy tax obligations in connection with the award of shares reported on the Reporting Person's Form 4 filed on February 24, 2025.

2. These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person on February 10, 2025.

3. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $115.50 to $116.42, inclusive. The reporting person undertakes to provide Entegris, Inc., any shareholder of Entegris, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

4. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $116.60 to $117.58, inclusive. The reporting person undertakes to provide Entegris, Inc., any shareholder of Entegris, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

5. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $117.67 to $118.66, inclusive. The reporting person undertakes to provide Entegris, Inc., any shareholder of Entegris, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

6. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $118.68 to $119.66, inclusive. The reporting person undertakes to provide Entegris, Inc., any shareholder of Entegris, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

7. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $119.73 to $120.72, inclusive. The reporting person undertakes to provide Entegris, Inc., any shareholder of Entegris, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

8. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $120.73 to $121.21, inclusive. The reporting person undertakes to provide Entegris, Inc., any shareholder of Entegris, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

9. This option is fully vested.

10. Awarded pursuant to the Entegris, Inc. 2010 Stock Plan in consideration of services as an employee.

Remarks:

The stock option, which was exercised by the Reporting Person pursuant to a Rule 10b5-1 Trading Plan, was set to expire on February 19, 2027.

	/s/ Joseph Colella, Attorney-In-Fact for Bertrand Loy	02/04/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transactions did ENTEGRIS INC (ENTG) report for Bertrand Loy?

Bertrand Loy reported exercising 65,250 employee stock options and selling several blocks of Entegris common stock on February 2, 2026. The filing shows these transactions and confirms his updated direct ownership of 306,422 Entegris shares after all reported trades.

How many Entegris (ENTG) shares does Bertrand Loy own after this Form 4?

After the reported transactions, Bertrand Loy directly beneficially owned 306,422 shares of Entegris common stock. This figure reflects the exercise of 65,250 stock options and subsequent same-day sales of multiple share blocks at various weighted average prices reported in the filing.

What stock options did Bertrand Loy exercise in the latest Entegris Form 4?

Bertrand Loy exercised an employee stock option covering 65,250 shares of Entegris common stock at an exercise price of $55.72 per share. The option was fully vested, due to expire on February 19, 2027, and was awarded under the Entegris, Inc. 2010 Stock Plan.

At what prices did Bertrand Loy sell Entegris (ENTG) shares on February 2, 2026?

Loy sold Entegris common stock at weighted average prices including $115.96, $117.19, $118.43, $119.13, $120.25, and $120.91 per share. The filing notes these prices reflect multiple transactions within stated ranges and offers to provide trade-level detail upon request.

Was Bertrand Loy’s Entegris stock sale under a Rule 10b5-1 trading plan?

Yes. The filing states that the reported share sales were made pursuant to a Rule 10b5-1 Trading Plan established by the reporting person on February 10, 2025. It also notes the option exercise itself was made under a Rule 10b5-1 Trading Plan arrangement.

What correction to prior share withholding is disclosed in this Entegris Form 4?

The filing explains that the reported beneficial ownership amount reflects an additional 602 shares. This adjustment corrects an earlier error in the number of shares initially withheld to satisfy tax obligations related to an award previously reported on a Form 4 filed February 24, 2025.