Entegris director granted 1,412 RSUs in stock

LEDERER JAMES P reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

LEDERER JAMES P reported acquisition or exercise transactions in this Form 4 filing.

Entegris Inc. director James P. Lederer received an equity grant of 1,412 shares of Common Stock in the form of Restricted Stock Units. The award was granted on May 6, 2026 under the Entegris, Inc. 2020 Stock Plan as compensation for his service as an independent director.

The Restricted Stock Units 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 grant, Lederer directly holds 21,846 shares of Entegris Common Stock.

Insider Trade Summary

Grant/Award: 1,412 shares

Grant/Award 1 txn

Insider LEDERER JAMES P

Role Director

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

Holdings After Transaction: Common Stock — 21,846 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 shares Shares owned after grant: 21,846 shares Grant price per share: $0.0000 per share

3 metrics

RSUs granted 1,412 shares Restricted Stock Units awarded on May 6, 2026

Shares owned after grant 21,846 shares Common Stock directly held by James P. Lederer after transaction

Grant price per share $0.0000 per share Compensation grant, not an open-market purchase

Key Terms

Restricted Stock Units, Entegris, Inc. 2020 Stock Plan, independent directors, Annual Meeting of Stockholders

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.

Entegris, Inc. 2020 Stock Plan financial

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

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.

Annual Meeting of Stockholders financial

"the date of the Company's 2027 Annual Meeting of Stockholders."

FAQ

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

What did Entegris (ENTG) director James P. Lederer report on this Form 4?

Director James P. Lederer reported receiving 1,412 Restricted Stock Units of Entegris Common Stock. The grant was made as equity compensation for his service as an independent director under the company’s 2020 Stock Plan, increasing his directly held share balance to 21,846 shares.

How many Entegris (ENTG) shares did James P. Lederer acquire in this grant?

James P. Lederer acquired 1,412 shares of Entegris Common Stock through a Restricted Stock Unit award. The transaction carries a stated price of $0.0000 per share, reflecting a compensation grant rather than an open-market purchase, and is part of the company’s director equity program.

When do James P. Lederer’s new Entegris 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. This single-time vesting schedule ties the award to his continued board service.

What is James P. Lederer’s Entegris (ENTG) share ownership after this Form 4 transaction?

After this grant, James P. Lederer directly owns 21,846 shares of Entegris Common Stock. This total includes the newly awarded 1,412 Restricted Stock Units that are payable solely in Common Stock under the company’s 2020 Stock Plan for independent directors.

Was James P. Lederer’s Entegris equity transaction an open-market buy or a compensation grant?

The transaction was a compensation grant, not an open-market purchase. Code "A" on the Form 4 and accompanying footnotes show 1,412 Restricted Stock Units were awarded at a $0.0000 price per share as part of Entegris’ 2020 Stock Plan for independent directors.

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

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Accepted by SEC EDGAR 05/08/2026 - 12:55 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^*

LEDERER JAMES P

(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)	21,846	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 Collela, Attorney-In-Fact for James P. Lederer	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)