| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Cleminson Ian | EVP & CFO | 8310 SOUTH VALLEY HIGHWAY, SUITE 350, ENGLEWOOD | Ian Philip Cleminson | 18 Feb 2026 | 0001368260 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IOSP | Common Stock | Award | $0 | +2,380 | +15% | $0.000000 | 18,238 | 16 Feb 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Shares of common stock acquired upon settlement of a performance-based restricted stock unit award granted to the reporting person on February 27, 2023. |