Form 4 Filing for ENTEGRIS INC

Bertrand Loy, Executive Chair of ENTEGRIS INC, reported transactions on April 17, 2026. Loy acquired 44,138 shares of Common Stock at a price of $98.11 per share, increasing their post-transaction holdings to 271,665 shares. Concurrently, Loy disposed of 44,138 shares of Common Stock at a weighted average price of $144.41 per share, with individual sales ranging from $140.00 to $146.46. These sales were conducted under a Rule 10b5-1 Trading Plan. Additionally, Loy exercised an employee stock option (right to buy) for 44,138 shares of Common Stock, which were then disposed of. The option, awarded under the Entegris, Inc. 2020 Stock Plan, is fully vested and has an exercise price of $98.11. Post-transaction, Loy holds 227,527 shares of Common Stock.