# EDGAR Filing Document

**Accession Number:** 0001101302
**File Stem:** 0001101302-26-000127
**Filing Date:** 2026-5
**Character Count:** 8153
**Document Hash:** faaa749e26db4a97b1f2586d51ef8597
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001101302-26-000127.hdr.sgml**: 20260519

**ACCESSION NUMBER**: 0001101302-26-000127

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 3

**CONFORMED PERIOD OF REPORT**: 20260518

**FILED AS OF DATE**: 20260519

**DATE AS OF CHANGE**: 20260519

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Nagesh Sukhi
- **CENTRAL INDEX KEY:** 0001643488

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-32598
- **FILM NUMBER:** 26997798

**MAIL ADDRESS:**
- **STREET 1:** C/O ENTEGRIS, INC.
- **STREET 2:** 129 CONCORD ROAD
- **CITY:** BILLERICA
- **STATE:** MA
- **ZIP:** 01821
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** ENTEGRIS INC
- **CENTRAL INDEX KEY:** 0001101302
- **STANDARD INDUSTRIAL CLASSIFICATION:** PLASTICS PRODUCTS, NEC [3089]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 411941551
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 129 CONCORD ROAD
- **CITY:** BILLERICA
- **STATE:** MA
- **ZIP:** 01821
- **BUSINESS PHONE:** 9784366500

**MAIL ADDRESS:**
- **STREET 1:** 129 CONCORD ROAD
- **CITY:** BILLERICA
- **STATE:** MA
- **ZIP:** 01821

## Ex-24

![](poasukhinagesh001.jpg)

POWER OF ATTORNEY Know all by these presents that the undersigned hereby constitutes and appoints Joseph Colella and Jordan Kobb, each of them acting singly, with full power of substitution and revocation, the undersigned's true and lawful attorney-in-fact and authorized representative to: (1) prepare, execute in the undersigned's name and on the undersigned's behalf, and submit to the U.S. Securities and Exchange Commission (the SEC) a Form ID, including amendments thereto, and any other documents necessary or appropriate to obtain, maintain, manage or update the undersigned's EDGAR access and EDGAR account, including through EDGAR Next; (2) act as an account administrator for the undersigned's EDGAR account, including appointing, removing and replacing account administrators, users, technical administrators and delegated entities; maintaining and updating the undersigned's EDGAR account information; generating, resetting and using the undersigned's CIK confirmation code; making annual confirmations; and taking any other action contemplated by Regulation S-T or the EDGAR Filer Manual in connection with the undersigned's EDGAR account; (3) execute for and on behalf of the undersigned, in the undersigned's capacity as an Officer of ENTEGRIS, INC. (the Company), Forms 3, 4, and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder, Form 144 under the Securities Act of 1933, and any other forms or reports the undersigned may be required or permitted to file in connection with the undersigned's ownership, acquisition, or disposition of securities of the Company; (4) do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute any such Form ID, Forms 3, 4, or 5, Form 144 or other form or report, and timely file such form or report with the United States Securities and Exchange Commission and any stock exchange or similar authority; and (5) take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact's discretion. The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be done by virtue of this Power of Attorney and the rights and powers herein granted. The undersigned acknowledges that the foregoing attorneys-in-fact are serving in such capacity at the request of the undersigned, and are not assuming, nor is the Company assuming, any of the undersigned's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934, Rule 144 under the Securities Act of 1933 or any other applicable securities law requirement. This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4, or 5 or Form 144 with respect to the undersigned's holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact. IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of May 14, 2026. /s/ Sukhi Nagesh Sukhi Nagesh

------

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

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Nagesh Sukhi<br><sub>(Last) (First) (Middle)</sub><br>C/O ENTEGRIS, INC.<br>129 CONCORD ROAD<br><sub>(Street)</sub><br>BILLERICA, MA 01821<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>ENTEGRIS INC [ ENTG ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-05-18 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director   [ ] 10% Owner<br>[X] Officer (give title below)   [ ] Other (specify below)<br>_SVP & Chief Financial Officer_ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| No Securities Beneficially Owned | 0 | D |  |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |

---

**Signature:** /s/ Joseph Colella, Attorney-In-Fact for Sukhi Nagesh  
**Date:** 2026-05-19

### Remarks:

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.**