| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Geer Charles H. II | EVP, Industrial Services | 42 LONGWATER DRIVE, NORWELL | /s/ Charles H. Geer II | 17 Dec 2025 | 0002079092 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CLH | Common Stock | Tax liability | $6,740 | -28 | -0.32% | $240.71 | 8,814 | 15 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. |