IOSP Insider Transactions
785 retained open-market purchase and sale rows from SEC Forms 3, 4 and 5, newest first. This page shows rows 1–100; provenance stays internal.
IOSP insiders transaction timeline
PurchaseSale
| Insider profile | Role | Date | Transaction | Shares | Price |
|---|
| Jones David B. | SVP, GC & CCO | 2026-03-03 | Sale | 1,028.0 | $75.64 |
|---|
| Blackmore Milton C | Director | 2026-02-27 | Sale | 307.0 | $76.79 |
|---|
| Blackmore Milton C | Director | 2026-02-27 | Sale | 287.0 | $76.3 |
|---|
| PADFIELD Larry | Director | 2026-02-27 | Sale | 307.0 | $76.79 |
|---|
| PADFIELD Larry | Director | 2026-02-27 | Sale | 287.0 | $76.3 |
|---|
| Poccia Claudia | Director | 2026-02-27 | Sale | 62.0 | $76.79 |
|---|
| Poccia Claudia | Director | 2026-02-27 | Sale | 57.0 | $76.3 |
|---|
| LANDLESS DAVID | Director | 2026-02-27 | Sale | 307.0 | $76.79 |
|---|
| LANDLESS DAVID | Director | 2026-02-27 | Sale | 287.0 | $76.3 |
|---|
| Cleminson Ian | EVP & CFO | 2026-02-27 | Sale | 1,231.0 | $76.79 |
|---|
| Cleminson Ian | EVP & CFO | 2026-02-27 | Sale | 1,149.0 | $76.3 |
|---|
| Blackmore Milton C | Director | 2026-02-27 | Sale | 594.0 | $76.56 |
|---|
| PADFIELD Larry | Director | 2026-02-27 | Sale | 594.0 | $76.56 |
|---|
| Poccia Claudia | Director | 2026-02-27 | Sale | 119.0 | $76.56 |
|---|
| LANDLESS DAVID | Director | 2026-02-27 | Sale | 594.0 | $76.56 |
|---|
| Cleminson Ian | EVP & CFO | 2026-02-27 | Sale | 2,380.0 | $76.56 |
|---|
| Blackmore Milton C | Director | 2026-02-20 | Sale | 1,030.0 | $81.84 |
|---|
| PADFIELD Larry | Director | 2026-02-20 | Sale | 1,030.0 | $81.84 |
|---|
| PARRETTE LESLIE J | Director | 2025-11-14 | Purchase | 340.0 | $74.09 |
|---|
| PARRETTE LESLIE J | Director | 2025-05-13 | Sale | 176.0 | $90.68 |
|---|
| PARRETTE LESLIE J | Director | 2025-05-13 | Sale | 270.0 | $90.6 |
|---|
| Cleminson Ian | EVP & CFO | 2025-03-03 | Sale | 4,275.0 | $100.98 |
|---|
| BARNES CORBIN | SVP, Corporate Dev and IR | 2025-02-24 | Sale | 598.0 | $103.06 |
|---|
| PADFIELD Larry | Director | 2025-02-21 | Sale | 196.0 | $103.3 |
|---|
| BOON PHILIP JOHN | Executive VP Business Ops | 2025-02-21 | Sale | 3,754.0 | $103.3 |
|---|
| BARNES CORBIN | SVP, Corporate Dev and IR | 2025-02-21 | Sale | 2,692.0 | $103.3 |
|---|
| Jones David B. | SVP, GC & CCO | 2025-02-21 | Sale | 3,091.0 | $103.3 |
|---|
| Blackmore Milton C | Director | 2025-02-21 | Sale | 652.0 | $103.3 |
|---|
| Poccia Claudia | Director | 2024-11-22 | Sale | 300.0 | $119.88 |
|---|
| GRIFFIN HARDY LOUIS III | SVP, HUMAN RESOURCES | 2024-11-18 | Sale | 161.0 | $117.52 |
|---|
| BARNES CORBIN | SVP, Corporate Dev and IR | 2024-11-18 | Sale | 307.0 | $117.52 |
|---|
| Blackmore Milton C | Director | 2024-11-13 | Sale | 1,035.0 | $122.92 |
|---|
| Cleminson Ian | VP & CFO | 2024-08-26 | Sale | 200.0 | $116.05 |
|---|
| Cleminson Ian | VP & CFO | 2024-08-26 | Sale | 1,209.0 | $115.24 |
|---|
| Cleminson Ian | VP & CFO | 2024-08-26 | Sale | 1,989.0 | $114.31 |
|---|
| Cleminson Ian | VP & CFO | 2024-08-23 | Sale | 6,602.0 | $113.6 |
|---|
| PARRETTE LESLIE J | Director | 2024-08-13 | Purchase | 143.0 | $105.84 |
|---|
| GRIFFIN HARDY LOUIS III | SVP, HUMAN RESOURCES | 2024-05-20 | Sale | 525.0 | $129.78 |
|---|
| PARRETTE LESLIE J | Director | 2024-05-16 | Purchase | 189.0 | $131.57 |
|---|
| Jones David B. | SVP, GC & CCO | 2024-03-01 | Sale | 2,500.0 | $125.79 |
|---|
| Cleminson Ian | VP & CFO | 2024-02-29 | Sale | 931.0 | $124.07 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2024-02-29 | Sale | 3,955.0 | $124.21 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2024-02-27 | Sale | 5,572.0 | $124.73 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2024-02-27 | Sale | 4,095.0 | $124.12 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2024-02-26 | Sale | 100.0 | $126.05 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2024-02-26 | Sale | 5,402.0 | $125.27 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2024-02-26 | Sale | 4,165.0 | $124.65 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2024-02-23 | Sale | 11.0 | $125.15 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2024-02-23 | Sale | 6,899.0 | $124.66 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2024-02-23 | Sale | 2,757.0 | $123.63 |
|---|
| GRIFFIN HARDY LOUIS III | SVP, HUMAN RESOURCES | 2024-02-22 | Sale | 1,875.0 | $122.07 |
|---|
| BOON PHILIP JOHN | Executive VP Business Ops | 2024-02-22 | Sale | 3,715.0 | $122.07 |
|---|
| Blackmore Milton C | Director | 2024-02-22 | Sale | 601.0 | $122.07 |
|---|
| Cleminson Ian | VP & CFO | 2024-02-22 | Sale | 4,190.0 | $123.77 |
|---|
| PARRETTE LESLIE J | Director | 2024-02-22 | Purchase | 410.0 | $123.96 |
|---|
| PADFIELD Larry | Director | 2023-11-13 | Sale | 977.0 | $101.54 |
|---|
| Poccia Claudia | Director | 2023-05-22 | Sale | 339.0 | $99.2 |
|---|
| Poccia Claudia | Director | 2023-05-22 | Sale | 400.0 | $99.2 |
|---|
| PARRETTE LESLIE J | Director | 2023-05-10 | Purchase | 515.0 | $96.75 |
|---|
| BARNES CORBIN | SVP, Corporate Dev and IR | 2023-03-17 | Purchase | 400.0 | $99.75 |
|---|
| BARNES CORBIN | SVP, Corporate Dev and IR | 2023-03-07 | Purchase | 1,250.0 | $106.0 |
|---|
| BOON PHILIP JOHN | Executive VP Business Ops | 2023-03-07 | Sale | 5,717.0 | $105.62 |
|---|
| BOON PHILIP JOHN | Executive VP Business Ops | 2023-03-07 | Sale | 774.0 | $105.62 |
|---|
| Cleminson Ian | VP & CFO | 2023-03-06 | Sale | 902.0 | $106.38 |
|---|
| Cleminson Ian | VP & CFO | 2023-03-06 | Sale | 2,787.0 | $105.23 |
|---|
| Cleminson Ian | VP & CFO | 2023-03-06 | Sale | 1,534.0 | $104.1 |
|---|
| Cleminson Ian | VP & CFO | 2023-03-06 | Sale | 450.0 | $106.07 |
|---|
| Cleminson Ian | VP & CFO | 2023-03-06 | Sale | 406.0 | $106.07 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-03-03 | Sale | 717.0 | $110.92 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-03-03 | Sale | 714.0 | $109.74 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-03-03 | Sale | 1,377.0 | $108.92 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-03-03 | Sale | 1,159.0 | $108.14 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-03-03 | Sale | 1,341.0 | $110.95 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-03-03 | Sale | 1,320.0 | $109.78 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-03-03 | Sale | 2,610.0 | $108.85 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-03-03 | Sale | 2,201.0 | $108.11 |
|---|
| PARRETTE LESLIE J | Director | 2023-03-03 | Purchase | 450.0 | $111.35 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-03-02 | Sale | 1,294.0 | $109.83 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-03-02 | Sale | 6,293.0 | $109.05 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-03-02 | Sale | 3,853.0 | $108.42 |
|---|
| Jones David B. | SVP, GC & CCO | 2023-03-02 | Purchase | 459.0 | $108.98 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-03-01 | Sale | 275.0 | $110.9 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-03-01 | Sale | 4,328.0 | $110.06 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-03-01 | Sale | 4,540.0 | $109.28 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-02-28 | Sale | 287.0 | $111.58 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-02-28 | Sale | 5,444.0 | $110.97 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-02-28 | Sale | 3,415.0 | $110.04 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-02-27 | Sale | 1,925.0 | $111.69 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-02-27 | Sale | 6,699.0 | $111.16 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-02-27 | Sale | 501.0 | $110.06 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-02-27 | Sale | 21.0 | $108.31 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-02-24 | Sale | 3,879.0 | $109.2 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-02-24 | Sale | 3,405.0 | $108.36 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2023-02-24 | Sale | 1,862.0 | $107.29 |
|---|
| Jones David B. | SVP, GC & CCO | 2022-12-05 | Purchase | 752.0 | $107.99 |
|---|
| Cleminson Ian | VP & CFO | 2022-02-25 | Sale | 60.0 | $97.42 |
|---|
| Cleminson Ian | VP & CFO | 2022-02-25 | Sale | 759.0 | $96.71 |
|---|
| Cleminson Ian | VP & CFO | 2022-02-25 | Sale | 7.0 | $97.54 |
|---|
| Cleminson Ian | VP & CFO | 2022-02-25 | Sale | 1,209.0 | $96.78 |
|---|
| Williams Patrick | PRESIDENT & CEO | 2022-02-25 | Sale | 415.0 | $97.47 |
|---|