| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Harrison Robert W. | EVP, EHS | 42 LONGWATER DR, NORWELL | /s/ Robert W. Harrison | 03 Dec 2025 | 0001954916 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CLH | Common Stock | Tax liability | $27,882 | -122 | -2.1% | $228.54 | 5,801 | 01 Dec 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Payment of tax liability by withholding of securities incident to vesting of securities in accordance with Rule 16b3. |