| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Geer Charles H. II | EVP, Industrial Services | 42 LONGWATER DRIVE, NORWELL | /s/ Charles H. Geer II | 2025-07-30 | 0002079092 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | CLH | Common Stock | 9.14K | Jul 22, 2025 | Direct |