| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IOSP | Common Stock | Award | $0 | +594 | $0.00 | 594 | Feb 27, 2023 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IOSP | Stock Option | Award | $0 | +297 | $0.00 | 297 | Feb 27, 2023 | Common Stock | 297 | $109.42 | Direct |
| Id | Content |
|---|---|
| F1 | Represents Restricted Stock Units vesting in full on February 27, 2026, granted by Issuer in connection with Reporting Person's service as a non-employee director. |