Entegris (ENTG) strategy chief reports stock grants and 1,664-share sale

Rhea-AI Filing Summary

Entegris Inc. SVP and Chief Strategy Officer Olivier Blachier reported several transactions in Entegris common stock. On February 19, 2026, he acquired 3,011 shares at $0.00 per share through equity awards tied to performance and employment. On the same date, 1,384 shares were automatically withheld at $132.67 per share to cover tax obligations. On February 20, 2026, he executed open-market sales totaling 1,664 shares at an average price of $131.49 per share under a pre-established Rule 10b5-1 trading plan, leaving him with 29,496.95 shares of direct ownership.

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^*

Blachier Olivier

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Chief Strategy Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/19/2026

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	02/19/2026		A		3,011(1)	A	$0(2)	32,544.95	D
Common Stock	02/19/2026		F		884(3)	D	$132.67	31,660.95	D
Common Stock	02/19/2026		F		500(4)	D	$132.67	31,160.95	D
Common Stock	02/20/2026		S		206(5)	D	$131.49	30,954.95	D
Common Stock	02/20/2026		S		1,064(5)	D	$131.49	29,890.95	D
Common Stock	02/20/2026		S		394(5)	D	$131.49	29,496.95	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

Explanation of Responses:

1. Awarded in connection with the settlement of performance share units for the 2023-2025 performance cycle.

2. Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

3. Shares automatically withheld upon settlement of performance share units to satisfy tax withholding obligations.

4. Shares automatically withheld upon settlement of restricted stock units to satisfy tax withholding obligations.

5. These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person on February 21, 2025.

Remarks:

	/s/ Joseph Colella, Attorney-In-Fact for Olivier Blachier	02/23/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did ENTEGRIS INC (ENTG) report for Olivier Blachier?

Blachier reported equity award acquisitions and subsequent sales. He received 3,011 common shares via awards, had 1,384 shares withheld for taxes, and sold 1,664 shares in open-market transactions under a Rule 10b5-1 trading plan, ending with 29,496.95 directly owned shares.

How many ENTEGRIS INC (ENTG) shares did Olivier Blachier sell and at what price?

He sold a total of 1,664 ENTEGRIS common shares. These open-market sales occurred at a price of $131.49 per share on February 20, 2026, pursuant to a pre-arranged Rule 10b5-1 trading plan established by the reporting person.

What ENTEGRIS INC (ENTG) stock awards did Olivier Blachier receive in this Form 4?

He acquired 3,011 ENTEGRIS common shares at no cost. The awards were granted in connection with settlement of performance share units for the 2023–2025 cycle and under the Entegris, Inc. 2020 Stock Plan as consideration for his services as an employee.

Why were some ENTEGRIS INC (ENTG) shares withheld from Olivier Blachier’s awards?

Shares were automatically withheld to satisfy tax obligations. Specifically, 884 shares were withheld upon settlement of performance share units and 500 shares upon settlement of restricted stock units, both at $132.67 per share, to cover tax withholding liabilities.

How many ENTEGRIS INC (ENTG) shares does Olivier Blachier own after these transactions?

Following the reported transactions, Blachier directly owns 29,496.95 ENTEGRIS common shares. This figure reflects his equity award acquisitions, the automatic share withholding for tax obligations, and the 1,664 shares sold in open-market transactions under his Rule 10b5-1 plan.

Was Olivier Blachier’s ENTEGRIS INC (ENTG) stock sale pre-planned under Rule 10b5-1?

Yes. The Form 4 notes that the 1,664 shares sold at $131.49 per share were transacted pursuant to a Rule 10b5-1 trading plan. The plan was established by the reporting person on February 21, 2025, providing a pre-arranged framework for these sales.