ENTEGRIS INC — Director's Dealing 2025

Nov 18, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ENTEGRIS INC (ENTG)
CIK: 0001101302
Period of Report: 2025-11-14

Reporting Person: Blachier Olivier (SVP, Chief Strategy Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-11-14	Common Stock	F	445	$78.28	Disposed	14612.06	Direct
2025-11-17	Common Stock	S	488	$77.43	Disposed	14124.06	Direct

Footnotes

F1: Shares automatically withheld upon settlement of restricted stock units to satisfy tax withholding obligations.

F2: These shares include 133.75 shares acquired under the Entegris, Inc. Employee Stock Purchase Plan on June 30, 2025.

F3: These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person on February 21, 2025.