| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IOSP | Common Stock | Tax liability | $127,403 | -989 | -16% | $128.82 | 5,048 | 14 May 2024 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Shares withheld to settle income tax liability incurred upon vesting of the above-referenced restricted stock unit award on May 14, 2024; not an open market transaction. |