Innospec's three largest insider shareholders as of May 04, 2026 are Patrick Williams (President Ceo, 231.53K shares), Patrick Williams (President Ceo, 166.51K shares), Ian Cleminson (Evp Cfo, 20.36K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Patrick Williams | President Ceo | 231,535 | 0 | 03 Mar, 2026 |
| Patrick Williams | President Ceo | 166,513 | 0 | 01 Mar, 2023 |
| Ian Cleminson | Evp Cfo | 20,357 | 0 | 06 Mar, 2026 |
| Philip John Boon | Executive Vp Business Ops | 20,079 | 0 | 24 Feb, 2025 |
| Robert I Paller | - | 14,343 | 0 | 28 Feb, 2024 |
| Corbin Barnes | Svp, Corporate Dev And Ir | 13,080 | 0 | 03 Mar, 2026 |
| Milton C Blackmore | - | 10,530 | 0 | 06 Mar, 2026 |
| Hardy Louis Iii Griffin | Svp, Human Resources | 10,161 | 0 | 03 Mar, 2026 |
| Larry Padfield | - | 9,453 | 0 | 06 Mar, 2026 |
| David Landless | - | 7,632 | 0 | 06 Mar, 2026 |
| Claudia Poccia | - | 6,508 | 0 | 06 Mar, 2026 |
| Elizabeth K Arnold | - | 6,376 | 0 | 25 Feb, 2026 |
| Corbin Barnes | Svp, Corporate Dev And Ir | 1,847 | 0 | 20 Mar, 2023 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 27 Feb, 2026 | David Landless | Common Stock | D | 287 | $76.30 | 7,939 | D | S |
| 27 Feb, 2026 | Claudia Poccia | Common Stock | D | 57 | $76.30 | 6,570 | D | S |
| 27 Feb, 2026 | Ian Cleminson | Common Stock | D | 1,149 | $76.30 | 21,588 | D | S |
| 27 Feb, 2026 | Milton C Blackmore | Common Stock | D | 287 | $76.30 | 10,837 | D | S |
| 27 Feb, 2026 | Larry Padfield | Common Stock | D | 287 | $76.30 | 9,760 | D | S |
| 27 Feb, 2026 | Claudia Poccia | Common Stock | D | 62 | $76.79 | 6,508 | D | S |
| 27 Feb, 2026 | Larry Padfield | Common Stock | D | 307 | $76.79 | 9,453 | D | S |
| 27 Feb, 2026 | David Landless | Common Stock | D | 307 | $76.79 | 7,632 | D | S |
| 27 Feb, 2026 | Ian Cleminson | Common Stock | D | 1,231 | $76.79 | 20,357 | D | S |
| 27 Feb, 2026 | Milton C Blackmore | Common Stock | D | 307 | $76.79 | 10,530 | D | S |
| 27 Feb, 2026 | Patrick Williams | Common Stock | D | 7,966 | $78.34 | 231,535 | D | F |
| 27 Feb, 2026 | Hardy Louis Iii Griffin | Common Stock | D | 401 | $78.34 | 10,161 | D | F |
| 27 Feb, 2026 | Corbin Barnes | Common Stock | D | 166 | $78.34 | 13,080 | D | F |
| 27 Feb, 2026 | Larry Padfield | Common Stock | D | 594 | $76.56 | 9,453 | D | S |
| 27 Feb, 2026 | Ian Cleminson | Common Stock | D | 2,380 | $76.56 | 20,357 | D | S |
| 27 Feb, 2026 | Milton C Blackmore | Common Stock | D | 594 | $76.56 | 10,530 | D | S |
| 27 Feb, 2026 | Claudia Poccia | Common Stock | D | 119 | $76.56 | 6,508 | D | S |
| 27 Feb, 2026 | David Landless | Common Stock | D | 594 | $76.56 | 7,632 | D | S |
| 23 Feb, 2026 | Corbin Barnes | Common Stock | A | 2,481 | $0.00 | 13,246 | D | A |
| 23 Feb, 2026 | Patrick Williams | Common Stock | A | 20,846 | $0.00 | 239,501 | D | A |