Entegris director granted 1,412 restricted stock units

Kanouff Yvette reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Kanouff Yvette reported acquisition or exercise transactions in this Form 4 filing.

Entegris, Inc. director Yvette Kanouff received a grant of 1,412 restricted stock units (RSUs) of Common Stock as compensation for board service. The RSUs were awarded on May 6, 2026 under the Entegris, Inc. 2020 Stock Plan for independent directors and are payable solely in Common Stock.

These RSUs vest in full on the earlier of the first anniversary of the grant date or the date of the company’s 2027 Annual Meeting of Stockholders. Following this award, Kanouff directly holds 12,533 shares of Entegris Common Stock.

Insider Trade Summary

Grant/Award: 1,412 shares

Grant/Award 1 txn

Insider Kanouff Yvette

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,412	$0.00	$0.00

Holdings After Transaction: Common Stock — 12,533 shares (Direct)

Footnotes (2)

1. F1. These Restricted Stock Units vest in full on the earlier of (1) the first anniversary date of the grant, or (2) the date of the Company's 2027 Annual Meeting of Stockholders.
2. F2. These shares were awarded on May 6, 2026 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.

Key Figures

RSUs granted: 1,412 units Grant price: $0.00 per share Post-grant holdings: 12,533 shares +1 more

4 metrics

RSUs granted 1,412 units Restricted Stock Units of Common Stock granted May 6, 2026

Grant price $0.00 per share Equity compensation, not an open-market purchase

Post-grant holdings 12,533 shares Total Common Stock directly held after the award

Vesting condition Earlier of 1-year or 2027 meeting RSUs vest by first anniversary of grant or 2027 Annual Meeting

Key Terms

Restricted Stock Units, 2020 Stock Plan, independent directors, Common Stock

4 terms

Restricted Stock Units financial

"These Restricted Stock Units vest in full on the earlier of (1) the first anniversary date of the grant..."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

2020 Stock Plan financial

"pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units..."

independent directors financial

"provides for the award of Restricted Stock Units to independent directors in consideration for services as such."

Members of a company’s board who do not have significant business, family, or financial ties to the company and are not part of its management; they are chosen to provide impartial oversight of strategy, financial reporting, executive pay and risk. They matter to investors because independent directors act like an objective referee, helping ensure decisions favor shareholders’ long-term interests rather than insiders, which can strengthen trust and reduce the chance of mismanagement or conflicts of interest.

Common Stock financial

"payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan..."

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Entegris (ENTG) director Yvette Kanouff report?

Yvette Kanouff reported receiving 1,412 restricted stock units of Entegris Common Stock as a grant. The award is compensation for her role as an independent director under the Entegris, Inc. 2020 Stock Plan and involves no open-market purchase or sale.

When do Yvette Kanouff’s Entegris (ENTG) restricted stock units vest?

The 1,412 restricted stock units vest in full on the earlier of the first anniversary of the May 6, 2026 grant date or the date of Entegris’ 2027 Annual Meeting of Stockholders. After vesting, they are payable solely in Entegris Common Stock.

How many Entegris (ENTG) shares does Yvette Kanouff own after this Form 4 grant?

After this grant, Yvette Kanouff directly holds 12,533 shares of Entegris Common Stock. This total reflects the addition of 1,412 restricted stock units awarded as part of her compensation for serving as an independent director on Entegris’ board.

Was cash paid for Yvette Kanouff’s new Entegris (ENTG) shares?

No cash was paid for this grant; the transaction price is reported as $0.00 per share. The 1,412 restricted stock units were awarded as equity compensation under the Entegris, Inc. 2020 Stock Plan for independent directors, not through a market purchase.

What plan governs Yvette Kanouff’s Entegris (ENTG) restricted stock unit award?

The award was granted under the Entegris, Inc. 2020 Stock Plan. This plan provides for restricted stock unit awards to independent directors in consideration for their board service, with Kanouff’s 1,412 RSUs payable solely in Entegris Common Stock upon vesting.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/08/2026 - 12:54 PM Learn about SEC filing dates

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

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^*

Kanouff Yvette

(Last) (First) (Middle)

C/O ENTEGRIS, INC.

129 CONCORD ROAD

(Street)

BILLERICA MASSACHUSETTS 01821

(City) (State) (Zip)

UNITED STATES

(Country)

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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/06/2026

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

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

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

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	05/06/2026		A		1,412(1)	A	$0(2)	12,533	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. These Restricted Stock Units vest in full on the earlier of (1) the first anniversary date of the grant, or (2) the date of the Company's 2027 Annual Meeting of Stockholders.

2. These shares were awarded on May 6, 2026 as Restricted Stock Units, payable solely in Common Stock, pursuant to the Entegris, Inc. 2020 Stock Plan, which provides for the award of Restricted Stock Units to independent directors in consideration for services as such.

Remarks:

	/s/ Joseph Colella - Attorney-in-Fact for Yvette Kanouff	05/08/2026
	** 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.
* Form 4: SEC 1474 (03-26)