| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Geer Charles H. II | EVP, Industrial Services | 42 LONGWATER DRIVE, NORWELL | /s/ Charles H. Geer II | 30 Jul 2025 | 0002079092 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | CLH | Common Stock | 9,136 | 22 Jul 2025 | Direct |