Haris Clinton M. 4

What Happened

• Haris Clinton M., SVP & President, APS Division of Entegris, exercised 5,830 stock options (code M) at $55.72/share (total exercise cost $324,848) and immediately sold those 5,830 shares in the open market at $120.00/share for $699,600 (code S) on January 21, 2026. The transactions resulted in gross proceeds of $699,600 and an exercise cost of $324,848 (approximate pre-tax gain ~$374,752).

Key Details

• Transaction dates: January 21, 2026 (exercise and sale).
• Prices and amounts: exercised 5,830 shares @ $55.72 (total $324,848); sold 5,830 shares @ $120.00 (total $699,600).
• Shares owned after the transaction: Not disclosed in the provided filing extract.
• Footnotes: Sale executed pursuant to a Rule 10b5-1 trading plan established Feb 10, 2025 (F1). The option was fully vested (F2). The award was granted under the Entegris, Inc. 2010 Stock Plan in consideration of services (F3).
• Filing timeliness: Report covers 2026-01-21 and was filed 2026-01-22 (appears timely).

Context

• This was an exercise of vested options followed by an immediate sale of the resulting shares (commonly a cashless exercise), so the sale likely reflects routine liquidity rather than an independent open-market sell decision. The sale was executed under a pre-established 10b5-1 plan, which automates transactions according to a pre-set schedule or conditions.