| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CLH | Common Stock | Sale | $54,938 | -503 | -8.7% | $109.22 | 5,311 | 23 Nov 2021 | Direct |
Jeffrey H. Knapp is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.