LOY BERTRAND 4

What Happened
Loy Bertrand, Executive Chair and Director of Entegris, exercised 44,138 vested stock options and immediately sold those 44,138 shares in the open market. The options were exercised at $98.11 per share (total cost $4,330,379) and the shares were sold at a weighted-average price of $144.41 per share for total proceeds of $6,373,969 — an approximate pre-tax difference of $2,043,590.

Key Details

• Transaction dates: April 17, 2026 (reported on Form 4 filed April 20, 2026).
• Exercise: 44,138 shares exercised at $98.11/share; option fully vested (F3).
• Sale: 44,138 shares sold at weighted-average $144.41/share (total $6,373,969); sale prices ranged $140.00–$146.46 (F2).
• Plan: Shares sold pursuant to a Rule 10b5-1 trading plan established Feb 10, 2025 (F1).
• Award origin: Option award made under the Entegris, Inc. 2020 Stock Plan for services (F4).
• Shares owned after the transaction: Not specified in the provided filing.
• Filing timeliness: Form 4 filed April 20, 2026 for the April 17 transaction (check EDGAR for any late-filing flag).

Context
This was a cash exercise of vested options followed by an immediate sale (common “exercise-and-sell” or cashless-like pattern). The sale was executed under a pre-established 10b5-1 trading plan, which indicates the trades were pre-planned rather than ad hoc. Sales by executives can be routine (tax, diversification, liquidity) and do not by themselves signal a change in company outlook.