Innospec Inc. (IOSP) Insider Trading
Directors, officers and holders of more than 10% of IOSP report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 102 transactions on file: 0 with code P, 18 with code S and 32 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 1, 2026 | Jones David B. | SVP, GC & CCO | A Award | 3,188 | Not measured | Not measured |
| Oct 1, 2026 | MCROBBIE IAN MALCOLM | Senior VP R&T | A Award | 3,164 | Not measured | Not measured |
| Oct 1, 2026 | GRIFFIN HARDY LOUIS III | SVP, HUMAN RESOURCES | A Award | 2,685 | Not measured | Not measured |
| Oct 1, 2026 | Williams Patrick | PRESIDENT & CEO | A Award | 22,203 | Not measured | Not measured |
| Oct 1, 2026 | BARNES CORBIN | SVP, Corporate Dev and IR | A Award | 2,642 | Not measured | Not measured |
| Oct 1, 2026 | Cleminson Ian | EVP & CFO | A Award | 4,792 | Not measured | Not measured |
| Mar 3, 2026 | Jones David B. | SVP, GC & CCO | S Sale | 1,028 | $75.64 | $77,758 |
| Feb 27, 2026 | LANDLESS DAVID | Director | S Sale | 307 | $76.79 | $23,575 |
| Feb 27, 2026 | Blackmore Milton C | Director | S Sale | 287 | $76.30 | $21,898 |
| Feb 27, 2026 | Cleminson Ian | EVP & CFO | S Sale | 1,149 | $76.30 | $87,669 |
| Feb 27, 2026 | Cleminson Ian | EVP & CFO | S Sale | 1,231 | $76.79 | $94,528 |
| Feb 27, 2026 | Blackmore Milton C | Director | S Sale | 594 | $76.56 | $45,474 |
| Feb 27, 2026 | PADFIELD Larry | Director | S Sale | 287 | $76.30 | $21,898 |
| Feb 27, 2026 | Blackmore Milton C | Director | S Sale | 307 | $76.79 | $23,575 |
| Feb 27, 2026 | GRIFFIN HARDY LOUIS III | SVP, HUMAN RESOURCES | F Tax Payment | 401 | $78.34 | $31,414 |
| Feb 27, 2026 | Poccia Claudia | Director | S Sale | 62 | $76.79 | $4,761 |
| Feb 27, 2026 | Williams Patrick | PRESIDENT & CEO | F Tax Payment | 7,966 | $78.34 | $624,056 |
| Feb 27, 2026 | Cleminson Ian | EVP & CFO | S Sale | 2,380 | $76.56 | $182,213 |
| Feb 27, 2026 | Jones David B. | SVP, GC & CCO | F Tax Payment | 875 | $78.34 | $68,548 |
| Feb 27, 2026 | BARNES CORBIN | SVP, Corporate Dev and IR | F Tax Payment | 166 | $78.34 | $13,004 |
| Feb 27, 2026 | PADFIELD Larry | Director | S Sale | 307 | $76.79 | $23,575 |
| Feb 27, 2026 | LANDLESS DAVID | Director | S Sale | 594 | $76.56 | $45,474 |
| Feb 27, 2026 | Poccia Claudia | Director | S Sale | 57 | $76.30 | $4,349 |
| Feb 27, 2026 | Poccia Claudia | Director | S Sale | 119 | $76.56 | $9,110 |
| Feb 27, 2026 | PADFIELD Larry | Director | S Sale | 594 | $76.56 | $45,474 |
| Feb 27, 2026 | LANDLESS DAVID | Director | S Sale | 287 | $76.30 | $21,898 |
| Feb 23, 2026 | PADFIELD Larry | Director | A Award | 1,539 | Not measured | Not measured |
| Feb 23, 2026 | Blackmore Milton C | Director | A Award | 1,539 | Not measured | Not measured |
| Feb 23, 2026 | Poccia Claudia | Director | A Award | 1,539 | Not measured | Not measured |
| Feb 23, 2026 | Blair Graeme | Head of Group Finance | A Award | 520 | Not measured | Not measured |
| Feb 23, 2026 | LANDLESS DAVID | Director | A Award | 1,539 | Not measured | Not measured |
| Feb 23, 2026 | PARRETTE LESLIE J | Director | A Award | 1,539 | Not measured | Not measured |
| Feb 23, 2026 | Arnold Elizabeth K | Director | A Award | 1,539 | Not measured | Not measured |
| Feb 23, 2026 | Jones David B. | SVP, GC & CCO | A Award | 2,993 | Not measured | Not measured |
| Feb 23, 2026 | Williams Patrick | PRESIDENT & CEO | A Award | 20,846 | Not measured | Not measured |
| Feb 23, 2026 | Cleminson Ian | EVP & CFO | A Award | 4,499 | Not measured | Not measured |
| Feb 23, 2026 | BARNES CORBIN | SVP, Corporate Dev and IR | A Award | 2,481 | Not measured | Not measured |
| Feb 23, 2026 | GRIFFIN HARDY LOUIS III | SVP, HUMAN RESOURCES | A Award | 2,521 | Not measured | Not measured |
| Feb 23, 2026 | MCROBBIE IAN MALCOLM | Senior VP R&T | A Award | 2,228 | Not measured | Not measured |
| Feb 20, 2026 | PADFIELD Larry | Director | S Sale | 1,030 | $81.84 | $84,296 |
| Feb 20, 2026 | PADFIELD Larry | Director | M Exercise | 1,030 | $44.18 | $45,505 |
| Feb 20, 2026 | Blackmore Milton C | Director | S Sale | 1,030 | $81.84 | $84,296 |
| Feb 20, 2026 | Blackmore Milton C | Director | M Exercise | 1,030 | $44.18 | $45,505 |
| Feb 20, 2026 | PADFIELD Larry | Director | M Exercise | 1,030 | Not measured | Not measured |
| Feb 20, 2026 | Blackmore Milton C | Director | M Exercise | 1,030 | Not measured | Not measured |
| Feb 16, 2026 | Cleminson Ian | EVP & CFO | A Award | 2,380 | Not measured | Not measured |
| Feb 16, 2026 | Jones David B. | SVP, GC & CCO | A Award | 1,903 | Not measured | Not measured |
| Feb 16, 2026 | Williams Patrick | PRESIDENT & CEO | A Award | 18,966 | Not measured | Not measured |
| Feb 16, 2026 | BARNES CORBIN | SVP, Corporate Dev and IR | A Award | 1,730 | Not measured | Not measured |
| Feb 16, 2026 | GRIFFIN HARDY LOUIS III | SVP, HUMAN RESOURCES | A Award | 1,299 | Not measured | Not measured |
The full Form 4 history is on the IOSP company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.