ENTEGRIS INC — Director's Dealing 2025

Aug 20, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ENTEGRIS INC (ENTG)
CIK: 0001101302
Period of Report: 2025-08-18

Reporting Person: Reeder David (Director, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-08-18	Common Stock	A	56624	—	Acquired	61354	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-08-18	Employee Stock Option (Right to Buy)	$78.41	A	95576	Acquired	2032-08-18	Common Stock (95576)	Direct

Footnotes

F1: These shares are restricted stock units with restrictions that lapse over a four-year period with respect to 25% of these shares per year, starting on August 18, 2026 and thereafter on August 18, 2027, August 18, 2028 and August 18, 2029.

F2: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.

F3: The option vests in four equal annual installments beginning on August 18, 2026 and thereafter on August 18, 2027, August 18, 2028 and August 18, 2029.