Entegris VP granted 2,527 restricted stock units

Sauer Michael reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Sauer Michael reported acquisition or exercise transactions in this Form 4 filing.

ENTEGRIS INC VP, Controller & CAO Michael Sauer reported an equity award of 2,527 shares of common stock in the form of restricted stock units. These RSUs were granted as compensation under the Entegris, Inc. 2020 Stock Plan for his services as an employee.

Each RSU represents a right to receive one share of common stock. The RSUs vest with 25% on April 5, 2027, and the remaining 75% in equal quarterly installments over the following three years. After this grant, Sauer directly holds 10,316.707 shares of common stock.

Insider Trade Summary

Grant/Award: 2,527 shares

Grant/Award 1 txn

Insider Sauer Michael

Role VP, Controller & CAO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	2,527	$0.00	$0.00

Holdings After Transaction: Common Stock — 10,316.707 shares (Direct)

Footnotes (2)

1. F1. Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock. The RSUs vest as follows: 25% of the RSUs vest on April 5, 2027, and the remaining 75% of the RSUs vest in equal quarterly installments over the three year period thereafter.
2. F2. Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

Key Figures

RSU grant size: 2,527 shares Holdings after award: 10,316.707 shares Initial vesting portion: 25% +1 more

4 metrics

RSU grant size 2,527 shares Restricted stock units awarded to Michael Sauer

Holdings after award 10,316.707 shares Direct common stock holdings following the RSU grant

Initial vesting portion 25% RSUs vesting on April 5, 2027

Remaining vesting portion 75% RSUs vesting in equal quarterly installments over three years thereafter

Key Terms

restricted stock unit ("RSU"), vest, 2020 Stock Plan

3 terms

restricted stock unit ("RSU") financial

"Each restricted stock unit ("RSU") represents a contingent right"

vest financial

"25% of the RSUs vest on April 5, 2027, and the remaining 75%"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

2020 Stock Plan financial

"Awarded pursuant to the Entegris, Inc. 2020 Stock Plan"

FAQ

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

What insider transaction did ENTEGRIS INC (ENTG) report for Michael Sauer?

Michael Sauer reported receiving 2,527 restricted stock units as an equity award. Each RSU represents one share of Entegris common stock, granted under the 2020 Stock Plan as compensation for his services as an employee.

How many Entegris (ENTG) shares does Michael Sauer hold after this Form 4?

After this award, Michael Sauer directly holds 10,316.707 shares of Entegris common stock. This total includes the newly granted 2,527 restricted stock units, which will convert into shares as they vest over time.

What is the vesting schedule for Michael Sauer’s 2,527 Entegris RSUs?

The 2,527 RSUs vest with 25% on April 5, 2027, and the remaining 75% in equal quarterly installments over the following three years. This staggered schedule ties the award to ongoing employment and long-term performance.

What type of award did Michael Sauer receive from Entegris (ENTG)?

Michael Sauer received a restricted stock unit award, not a cash bonus or stock option. Each RSU gives him a contingent right to one share of Entegris common stock, subject to future vesting conditions tied to continued employment.

Under which plan were Michael Sauer’s Entegris RSUs granted?

The RSUs were granted under the Entegris, Inc. 2020 Stock Plan. This plan governs equity-based compensation for employees, and the award to Michael Sauer was provided in consideration of his services as an employee of the company.

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

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Accepted by SEC EDGAR 04/02/2026 - 04:23 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^*

Sauer Michael

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP, Controller & CAO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/01/2026

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	04/01/2026		A		2,527(1)	A	$0(2)	10,316.707	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. Each restricted stock unit ("RSU") represents a contingent right to receive one share of common stock. The RSUs vest as follows: 25% of the RSUs vest on April 5, 2027, and the remaining 75% of the RSUs vest in equal quarterly installments over the three year period thereafter.

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

Remarks:

	/s/ Joseph Colella, Attorney-In-Fact for Michael Sauer	04/02/2026
	** 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)