Bertrand Loy - 17 Apr 2026 Form 4 Insider Report for ENTEGRIS INC (ENTG)

Reporting relationship: Executive Chair, Director
Issuer ticker: ENTG
Reported as of: 17 Apr 2026
Net transaction value: -$6,373,969
SEC form: 4
Accepted by SEC: 20 Apr 2026, 11:55:38 UTC
Prior SEC filing: 16 Apr 2026
Next SEC filing: 18 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Joseph Colella, Attorney-In-Fact for Bertrand Loy

Key filing fact

Bertrand Loy filed Form 4 for ENTEGRIS INC (ENTG) on 20 Apr 2026.

Key facts

This page summarizes Bertrand Loy's Form 4 filing for ENTEGRIS INC (ENTG).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 20 Apr 2026, 11:55.

Change

Previous filing in this sequence was filed on 16 Apr 2026.
Current net transaction value: -$6,373,969.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001197452 Primary reporting owner

LOY BERTRAND

Relationship: Executive Chair, Director
Address: C/O ENTEGRIS, INC., 129 CONCORD ROAD, BILLERICA
Signature: /s/ Joseph Colella, Attorney-In-Fact for Bertrand Loy
Signature date: 20 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ENTG transaction

Common Stock

Options Exercise

Transaction value
Shares: +44,138
Change %: +19%
Price: $98.11^*
Shares after: 271,665
Date: 17 Apr 2026
Ownership: Direct

ENTG transaction

Common Stock

Sale

Transaction value: $6,373,969
Shares: -44,138
Change %: -16%
Price: $144.41
Shares after: 227,527
Date: 17 Apr 2026
Ownership: Direct
Footnotes: F1, F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ENTG transaction Derivative

Employee Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares: -44,138
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 17 Apr 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 44,138
Exercise price: $98.11
Footnotes: F3, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 4 footnotes

Footnote F1

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

Footnote F2

The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $140.00 to $146.46, inclusive. The Reporting Person undertakes to provide Entegris, Inc., any shareholder of Entegris, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Footnote F3

This option is fully vested.

Footnote F4

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