ENTEGRIS INC 4

Olivier Blachier exercised 2,000 Entegris stock options at $80.71 and sold 2,000 common shares at $160.66, retaining 3,972 shares afterward.

On August 14, 2026, Olivier Blachier, President, Materials Solutions of Entegris, Inc., exercised 2,000 employee stock options at $80.71 per share and immediately sold the same 2,000 shares of common stock at $160.66 per share under a pre-arranged Rule 10b5-1 trading plan, realizing a spread of roughly $79.95 per share. The option exercise was from a previously granted award that vests in four equal annual installments through February 19, 2027. After these transactions, Blachier continued to hold 3,972 shares of Entegris common stock, which, using the disclosed sale price as a proxy, represent an equity stake worth approximately $638,000. The filing also notes that his current holdings include shares acquired via the Entegris Employee Stock Purchase Plan, indicating ongoing equity participation beyond this scheduled option exercise and sale.

Filing Facts

CIK

1101302

Ticker

ENTG

Form

4

Source Type

sec

Accession

0001891661-26-000002

Alert Tier

6