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Ownership Document
|
| Schema Version: X0508 |
| Document Type: 4 |
| Period of Report: 4/1/24 |
| Not Subject to Section 16: 0 |
| Issuer: |
| Issuer CIK: 1101302 |
| Issuer Name: ENTEGRIS INC |
| Issuer Trading Symbol: ENTG |
| Reporting Owner: |
| Reporting Owner ID: |
| | Owner CIK: 1786291 |
| | Owner Name: O'Neill James Anthony |
| Reporting Owner Address: |
| | Owner Street 1: 129 CONCORD ROAD |
| | Owner Street 2: |
| | Owner City: BILLERICA |
| | Owner State: MA |
| | Owner ZIP Code: 01821 |
| | Owner State Description: |
| Reporting Owner Relationship: |
| | Is Director? No |
| | Is Officer? Yes |
| | Is Ten Percent Owner? No |
| | Is Other? No |
| | Officer Title: SVP & CTO |
| Aff 10b5 One: 0 |
| Non-Derivative Table: |
| Non-Derivative Transaction: |
| | Security Title: |
| | | Value: Common Stock |
| | Transaction Date: |
| | | Value: 4/1/24 |
| | Transaction Coding: |
| | | Transaction Form Type: 4 |
| | | Transaction Code: A |
| | | Equity Swap Involved? No |
| | Transaction Amounts: |
| | | Transaction Shares: |
| Value: 2,784 |
| Footnote ID: F1 |
| | | Transaction Price Per Share: |
| Value: 0 |
| Footnote ID: F2 |
| | | Transaction Acquired-Disposed Code: |
| Value: A |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 16,794.218 |
| | Ownership Nature: |
| | | Direct or Indirect Ownership: |
| Value: D |
| Derivative Table: |
| Derivative Transaction: |
| | Security Title: |
| | | Value: Employee Stock Option (Right to Buy) |
| | Conversion or Exercise Price: |
| | | Value: 140.62 |
| | Transaction Date: |
| | | Value: 4/1/24 |
| | Transaction Coding: |
| | | Transaction Form Type: 4 |
| | | Transaction Code: A |
| | | Equity Swap Involved? No |
| | Transaction Amounts: |
| | | Transaction Shares: |
| Value: 4,804 |
| | | Transaction Price Per Share: |
| Value: 0 |
| Footnote ID: F2 |
| | | Transaction Acquired-Disposed Code: |
| Value: A |
| | Exercise Date: |
| | | Footnote ID: F3 |
| | Expiration Date: |
| | | Value: 4/1/31 |
| | Underlying Security: |
| | | Underlying Security Title: |
| Value: Common Stock |
| | | Underlying Security Shares: |
| Value: 4,804 |
| | Post-Transaction Amounts: |
| | | Shares Owned Following Transaction: |
| Value: 4,804 |
| | Ownership Nature: |
| | | Direct or Indirect Ownership: |
| Value: D |
| Footnotes: |
| Footnote - F1: These shares are restricted stock units with restrictions that lapse over a four-year period with respect to 25% of these shares per year beginning April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028. |
| Footnote - F2: Awarded pursuant to the Entegris, Inc. 2020 Stock Plan in consideration of services as an employee. |
| Footnote - F3: The option vests in four equal annual installments beginning on April 5, 2025 and thereafter on April 5, 2026, April 5, 2027 and April 5, 2028. |
| Remarks: |
| Owner Signature: |
| Signature Name: /s/ Joseph Colella, Attorney-In-Fact for James O'Neill |
| Signature Date: 4/3/24 |
