| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CHX | Common Stock | Sale | $32,956 | -1,083 | -3.2% | $30.43 | 32,902 | 30 Nov 2022 | Direct | |
| transaction | CHX | Common Stock | Sale | $61,810 | -2,014 | -6.1% | $30.69 | 30,888 | 30 Nov 2022 | Direct | |
| holding | CHX | Common Stock | 7,349 | 30 Nov 2022 | By spouse |