| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CHX | Common Stock | Tax liability | $252,744 | -12,157 | -2.5% | $20.79 | 477,618 | 18 Feb 2022 | Direct | |
| transaction | CHX | Common Stock | Tax liability | $110,452 | -5,300 | -1.1% | $20.84 | 472,318 | 22 Feb 2022 | Direct | |
| holding | CHX | Common Stock | 12,967 | 18 Feb 2022 | By Limited Partnership |