12 insiders reported 81 Form 4 transactions for INNOSPEC INC. (IOSP) over the past 18 months (most recent 2026-03-06). Recent activity: Blackmore Milton C (Director) Sell 307 shares, PADFIELD Larry (Director) Sell 307 shares, Cleminson Ian (EVP & CFO) Sell 1,149 shares, Cleminson Ian (EVP & CFO) Sell 1,231 shares, PADFIELD Larry (Director) Sell 287 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-06 | Blackmore Milton C | Director | Sell | 307 | $23,575 |
| 2026-03-06 | PADFIELD Larry | Director | Sell | 307 | $23,575 |
| 2026-03-06 | Cleminson Ian | EVP & CFO | Sell | 1,149 | $87,669 |
| 2026-03-06 | Cleminson Ian | EVP & CFO | Sell | 1,231 | $94,528 |
| 2026-03-06 | PADFIELD Larry | Director | Sell | 287 | $21,898 |
| 2026-03-06 | Blackmore Milton C | Director | Sell | 287 | $21,898 |
| 2026-03-06 | Poccia Claudia | Director | Sell | 57 | $4,349 |
| 2026-03-06 | Poccia Claudia | Director | Sell | 62 | $4,761 |
| 2026-03-06 | LANDLESS DAVID | Director | Sell | 287 | $21,898 |
| 2026-03-06 | LANDLESS DAVID | Director | Sell | 307 | $23,575 |
| 2026-03-03 | Poccia Claudia | Director | Sell | 119 | $9,111 |
| 2026-03-03 | Jones David B. | SVP, GC & CCO | Sell | 1,028 | $77,758 |
| 2026-03-03 | Jones David B. | SVP, GC & CCO | Sell | 875 | $68,548 |
| 2026-03-03 | Blackmore Milton C | Director | Sell | 594 | $45,477 |
| 2026-03-03 | BARNES CORBIN | SVP, Corporate Dev and IR | Sell | 166 | $13,004 |
| 2026-03-03 | LANDLESS DAVID | Director | Sell | 594 | $45,477 |
| 2026-03-03 | GRIFFIN HARDY LOUIS III | SVP, HUMAN RESOURCES | Sell | 401 | $31,414 |
| 2026-03-03 | PADFIELD Larry | Director | Sell | 594 | $45,477 |
| 2026-03-03 | Williams Patrick | PRESIDENT & CEO | Sell | 7,966 | $624,056 |
| 2026-03-03 | Cleminson Ian | EVP & CFO | Sell | 2,380 | $182,213 |
| 2026-02-25 | BARNES CORBIN | SVP, Corporate Dev and IR | Buy | 2,481 | $0 |
| 2026-02-25 | Arnold Elizabeth K | Director | Buy | 1,539 | $0 |
| 2026-02-25 | Williams Patrick | PRESIDENT & CEO | Buy | 20,846 | $0 |
| 2026-02-25 | Cleminson Ian | EVP & CFO | Buy | 4,499 | $0 |
| 2026-02-25 | Jones David B. | SVP, GC & CCO | Buy | 2,993 | $0 |
Source: SEC Form 4 filings · as of 2026-03-06