| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| BARNES CORBIN | SVP, Corporate Dev and IR | 8310 SOUTH VALLEY HIGHWAY, SUITE 350, ENGLEWOOD | Corbin Barnes | 15 May 2025 | 0001861656 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IOSP | Common Stock | Tax liability | $67,732 | -740 | -7.6% | $91.53 | 8,998 | 13 May 2025 | 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 13, 2025; not an open market transaction. |