| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Clark Rodney | Director | 129 CONCORD ROAD, BILLERICA | /s/ Joseph Colella, Attorney-in-Fact for Rodney Clark | 13 Jun 2025 | 0001846252 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ENTG | Common Stock | Other | $0 | -990 | -12% | $0.000000 | 7,500 | 12 Jun 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents shares transferred to the Reporting Person's former spouse pursuant to a divorce settlement. The securities owned by the former spouse are not beneficially owned by the Reporting Person. |