| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For IOSP | |||||
| 2026-03-03 | Jones, David B. | SVP, GC & CCO | Sold | 1028 | $75.64 |
| 2026-02-27 | Williams, Patrick | PRESIDENT & CEO | Sold | 7966 | $78.34 |
| 2026-02-27 | Poccia, Claudia | Director | Sold | 62 | $76.79 |
| 2026-02-27 | Poccia, Claudia | Director | Sold | 57 | $76.30 |
| 2026-02-27 | Padfield, Larry | Director | Sold | 307 | $76.79 |
| 2026-02-27 | Padfield, Larry | Director | Sold | 287 | $76.30 |
| 2026-02-27 | Blackmore, Milton C | Director | Sold | 307 | $76.79 |
| 2026-02-27 | Barnes, Corbin | SVP, Corporate Dev and IR | Sold | 166 | $78.34 |
| 2026-02-27 | Jones, David B. | SVP, GC & CCO | Sold | 875 | $78.34 |
| 2026-02-27 | Landless, David | Director | Sold | 594 | $76.56 |
| 2026-02-27 | Cleminson, Ian | EVP & CFO | Sold | 2380 | $76.56 |
| 2026-02-27 | Cleminson, Ian | EVP & CFO | Sold | 1149 | $76.30 |
| 2026-02-27 | Cleminson, Ian | EVP & CFO | Sold | 1231 | $76.79 |
| 2026-02-27 | Blackmore, Milton C | Director | Sold | 594 | $76.56 |
| 2026-02-27 | Padfield, Larry | Director | Sold | 594 | $76.56 |
| 2026-02-27 | Landless, David | Director | Sold | 307 | $76.79 |
| 2026-02-27 | Poccia, Claudia | Director | Sold | 119 | $76.56 |
| 2026-02-27 | Blackmore, Milton C | Director | Sold | 287 | $76.30 |
| 2026-02-27 | Landless, David | Director | Sold | 287 | $76.30 |
| 2026-02-27 | Griffin, Hardy Louis Iii | SVP, HUMAN RESOURCES | Sold | 401 | $78.34 |