SEC Form 4 · accession 0001891661-26-000002
ENTEGRIS INC · ENTG
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Olivier Blachier
Officer — President, Materials Solutions
Period of report
Aug 14, 2026
Accepted (ET)
Aug 17, 2026 · 12:00 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001101302
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Aug 14, 2026 | M | 2,000 | $80.71 | A | 36,997 | D | |
| Common StockF2 | Aug 14, 2026 | S | 2,000 | $160.66 | D | 34,997 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Employee Stock Option (Right to Buy)F4,F3 | $80.71 | Aug 14, 2026 | M | 2,000 | D | — | Feb 19, 2030 | Common Stock | 2,000 | 3,972 | D |
Explanation of responses
- F1These shares include 99.81 shares acquired by the Reporting Person under the Entegris, Inc. Employee Stock Purchase Plan on June 30, 2026.
- F2These shares were sold pursuant to a Rule 10b5-1 Trading Plan established by the Reporting Person on May 14, 2026.
- F3This option vests in four equal annual installments. The first three installments became exercisable on February 19, 2024, February 19, 2025, and February 19, 2026, respectively. The final installment will become exercisable on February 19, 2027.
- F4Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee.