Nasdaq · CIK 0001054905
IOSP INNOSPEC INC.
Insider trading from SEC Form 4. Last filing 8 d ago. Close $95.65 on Oct 9, 2026, +47% from the 52-week low and -3% from the high.
Last 90 days
Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
14
with a Form 4 at this company
Price and insider trades, last year
IOSPOct 9, 2026 · close 95.65
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at INNOSPEC INC., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 36Weak | Milton C Blackmore director sell | $45k 594 shares | -5% | +8% from low-25% from high | |
| 54Moderate | Ian Cleminson EVP & CFO sell | $182k 2,380 shares | -10% | +8% from low-25% from high | |
| 36Weak | David Landless director sell | $45k 594 shares | -7% | +8% from low-25% from high | |
| 30Weak | Claudia Poccia director sell | $9,110 119 shares | -2% | +8% from low-25% from high | |
| 36Weak | Larry PADFIELD director sell | $45k 594 shares | -6% | +8% from low-25% from high | |
| 36Weak | Milton C Blackmore director sell | $45k 594 shares | -5% | +8% from low-25% from high | |
| 54Moderate | Ian Cleminson EVP & CFO sell | $182k 2,380 shares | -10% | +8% from low-25% from high | |
| 39Weak | David B. Jones SVP, GC & CCO sell | $78k 1,028 shares | -7% | +8% from low-22% from high | |
| 36Weak | David Landless director sell | $45k 594 shares | -7% | +8% from low-25% from high | |
| 30Weak | Claudia Poccia director sell | $9,110 119 shares | -2% | +8% from low-25% from high | |
| 36Weak | Larry PADFIELD director sell | $45k 594 shares | -6% | +8% from low-25% from high | |
| 24Weak | Milton C Blackmore director sell | $84k 1,030 shares | -10% | +15% from low-20% from high | |
| 29Weak | Larry PADFIELD director sell | $84k 1,030 shares | -11% | +15% from low-20% from high | |
| 41Moderate | Leslie J Parrette director buy | $25k 340 shares | +6% | +3% from low-38% from high | |
| 21Weak | Leslie J Parrette director sell | $40k 446 shares | -8% | +8% from low-27% from high | |
| 59Moderate | Ian Cleminson EVP & CFO sell | $432k 4,275 shares | -21% | - | |
| 22Weak | Corbin Barnes SVP, Corporate Dev and IR sell | $62k 598 shares | -7% | - | |
| 30Weak | Larry PADFIELD director sell | $20k 196 shares | -3% | - | |
| 54Moderate | Corbin Barnes SVP, Corporate Dev and IR sell | $278k 2,692 shares | -25% | - | |
| 51Moderate | Philip John Boon Executive VP Business Ops sell | $388k 3,754 shares | -16% | - | |
| 38Weak | Milton C Blackmore director sell | $67k 652 shares | -7% | - | |
| 49Moderate | David B. Jones SVP, GC & CCO sell | $319k 3,091 shares | -24% | - | |
| 36Weak | Corbin Barnes SVP, Corporate Dev and IR sell | $36k 307 shares | -4% | - | |
| 30Weak | Hardy Louis Griffin III SVP, HUMAN RESOURCES sell | $19k 161 shares | -3% | - | |
| 21Weak | Claudia Poccia director sell | $36k 300 shares | -7% | - | |
| 31Weak | Milton C Blackmore director sell | $127k 1,035 shares | -10% | - |
Transactions
The last 100 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | David B. Jones SVP, GC & CCO | AGrant or award Phantom Stockderivative | +3,188 | $0.00 | $0 | 3,188 | 8 d ago |
| Oct 1, 2026 | Ian Malcolm McRobbie Senior VP R&T | AGrant or award Phantom Stockderivative | +3,164 | $0.00 | $0 | 3,164 | 8 d ago |
| Oct 1, 2026 | Corbin Barnes SVP, Corporate Dev and IR | AGrant or award Phantom Stockderivative | +2,642 | $0.00 | $0 | 2,642 | 8 d ago |
| Oct 1, 2026 | Hardy Louis Griffin III SVP, HUMAN RESOURCES | AGrant or award Phantom Stockderivative | +2,685 | $0.00 | $0 | 2,685 | 8 d ago |
| Oct 1, 2026 | Ian Cleminson EVP & CFO | AGrant or award Phantom Stockderivative | +4,792 | $0.00 | $0 | 4,792 | 8 d ago |
| Oct 1, 2026 | Patrick Williams PRESIDENT & CEO | AGrant or award Phantom Stockderivative | +22,203 | $0.00 | $0 | 22,203 | 8 d ago |
| Feb 27, 2026 | Larry PADFIELD director | SOpen-market sale Common Stock | -287 | $76.30 | $22k | 9,760 | Mar 6, 2026 |
| Feb 27, 2026 | Ian Cleminson EVP & CFO | SOpen-market sale Common Stock | -1,149 | $76.30 | $88k | 21,588 | Mar 6, 2026 |
| Feb 27, 2026 | Claudia Poccia director | SOpen-market sale Common Stock | -57 | $76.30 | $4,349 | 6,570 | Mar 6, 2026 |
| Feb 27, 2026 | David Landless director | SOpen-market sale Common Stock | -287 | $76.30 | $22k | 7,939 | Mar 6, 2026 |
| Feb 27, 2026 | Milton C Blackmore director | SOpen-market sale Common Stock | -287 | $76.30 | $22k | 10,837 | Mar 6, 2026 |
| Feb 27, 2026 | Ian Cleminson EVP & CFO | SOpen-market sale Common Stock | -1,231 | $76.79 | $95k | 20,357 | Mar 6, 2026 |
| Feb 27, 2026 | Larry PADFIELD director | SOpen-market sale Common Stock | -307 | $76.79 | $24k | 9,453 | Mar 6, 2026 |
| Feb 27, 2026 | Milton C Blackmore director | SOpen-market sale Common Stock | -307 | $76.79 | $24k | 10,530 | Mar 6, 2026 |
| Feb 27, 2026 | Claudia Poccia director | SOpen-market sale Common Stock | -62 | $76.79 | $4,761 | 6,508 | Mar 6, 2026 |
| Feb 27, 2026 | David Landless director | SOpen-market sale Common Stock | -307 | $76.79 | $24k | 7,632 | Mar 6, 2026 |
| Feb 27, 2026 | Claudia Poccia director | SOpen-market sale Common Stock | -119 | $76.56 | $9,110 | 6,508 | Mar 3, 2026 |
| Feb 27, 2026 | Larry PADFIELD director | SOpen-market sale Common Stock | -594 | $76.56 | $45k | 9,453 | Mar 3, 2026 |
| Feb 27, 2026 | Patrick Williams PRESIDENT & CEO | FTax withholding Common Stock | -7,966 | $78.34 | $624k | 231,535 | Mar 3, 2026 |
| Feb 27, 2026 | David Landless director | SOpen-market sale Common Stock | -594 | $76.56 | $45k | 7,632 | Mar 3, 2026 |
| Feb 27, 2026 | David B. Jones SVP, GC & CCO | FTax withholding Common Stock | -875 | $78.34 | $69k | 15,721 | Mar 3, 2026 |
| Feb 27, 2026 | Hardy Louis Griffin III SVP, HUMAN RESOURCES | FTax withholding Common Stock | -401 | $78.34 | $31k | 10,161 | Mar 3, 2026 |
| Feb 27, 2026 | Corbin Barnes SVP, Corporate Dev and IR | FTax withholding Common Stock | -166 | $78.34 | $13k | 13,080 | Mar 3, 2026 |
| Feb 27, 2026 | Milton C Blackmore director | SOpen-market sale Common Stock | -594 | $76.56 | $45k | 10,530 | Mar 3, 2026 |
| Feb 27, 2026 | Ian Cleminson EVP & CFO | SOpen-market sale Common Stock | -2,380 | $76.56 | $182k | 20,357 | Mar 3, 2026 |
| Mar 3, 2026 | David B. Jones SVP, GC & CCO | SOpen-market sale Common Stock | -1,028 | $75.64 | $78k | 14,693 | Mar 3, 2026 |
| Feb 23, 2026 | Hardy Louis Griffin III SVP, HUMAN RESOURCES | AGrant or award Common Stock | +2,521 | $0.00 | $0 | 10,562 | Feb 25, 2026 |
| Feb 23, 2026 | Ian Malcolm McRobbie Senior VP R&T | AGrant or award Phantom Stockderivative | +2,228 | $0.00 | $0 | 2,228 | Feb 25, 2026 |
| Feb 23, 2026 | David B. Jones SVP, GC & CCO | AGrant or award Common Stock | +2,993 | $0.00 | $0 | 16,596 | Feb 25, 2026 |
| Feb 23, 2026 | Patrick Williams PRESIDENT & CEO | AGrant or award Common Stock | +20,846 | $0.00 | $0 | 239,501 | Feb 25, 2026 |
| Feb 23, 2026 | Elizabeth K Arnold director | AGrant or award Common Stock | +1,539 | $0.00 | $0 | 6,376 | Feb 25, 2026 |
| Feb 23, 2026 | Corbin Barnes SVP, Corporate Dev and IR | AGrant or award Common Stock | +2,481 | $0.00 | $0 | 13,246 | Feb 25, 2026 |
| Feb 23, 2026 | Graeme Blair Head of Group Finance | AGrant or award Phantom Stockderivative | +520 | $0.00 | $0 | 520 | Feb 25, 2026 |
| Feb 23, 2026 | Ian Cleminson EVP & CFO | AGrant or award Common Stock | +4,499 | $0.00 | $0 | 22,737 | Feb 25, 2026 |
| Feb 23, 2026 | David Landless director | AGrant or award Common Stock | +1,539 | $0.00 | $0 | 8,226 | Feb 24, 2026 |
| Feb 23, 2026 | Claudia Poccia director | AGrant or award Common Stock | +1,539 | $0.00 | $0 | 6,627 | Feb 24, 2026 |
| Feb 23, 2026 | Leslie J Parrette director | AGrant or award Common Stock | +1,539 | $0.00 | $0 | 7,376 | Feb 24, 2026 |
| Feb 20, 2026 | Milton C Blackmore director | MOption exercise Common Stock | +1,030 | $44.18 | $46k | 10,615 | Feb 24, 2026 |
| Feb 20, 2026 | Larry PADFIELD director | MOption exercise Common Stock | +1,030 | $44.18 | $46k | 9,538 | Feb 24, 2026 |
| Feb 20, 2026 | Milton C Blackmore director | SOpen-market sale Common Stock | -1,030 | $81.84 | $84k | 9,585 | Feb 24, 2026 |
| Feb 20, 2026 | Larry PADFIELD director | SOpen-market sale Common Stock | -1,030 | $81.84 | $84k | 8,508 | Feb 24, 2026 |
| Feb 23, 2026 | Larry PADFIELD director | AGrant or award Common Stock | +1,539 | $0.00 | $0 | 10,047 | Feb 24, 2026 |
| Feb 23, 2026 | Milton C Blackmore director | AGrant or award Common Stock | +1,539 | $0.00 | $0 | 11,124 | Feb 24, 2026 |
| Feb 20, 2026 | Milton C Blackmore director | MOption exercise Stock Optionderivative | -1,030 | $0.00 | $0 | 0 | Feb 24, 2026 |
| Feb 20, 2026 | Larry PADFIELD director | MOption exercise Stock Optionderivative | -1,030 | $0.00 | $0 | 0 | Feb 24, 2026 |
| Feb 16, 2026 | Corbin Barnes SVP, Corporate Dev and IR | AGrant or award Common Stock | +1,730 | $0.00 | $0 | 10,765 | Feb 18, 2026 |
| Feb 16, 2026 | Ian Cleminson EVP & CFO | AGrant or award Common Stock | +2,380 | $0.00 | $0 | 18,238 | Feb 18, 2026 |
| Feb 16, 2026 | Hardy Louis Griffin III SVP, HUMAN RESOURCES | AGrant or award Common Stock | +1,299 | $0.00 | $0 | 8,041 | Feb 18, 2026 |
| Feb 16, 2026 | David B. Jones SVP, GC & CCO | AGrant or award Common Stock | +1,903 | $0.00 | $0 | 13,603 | Feb 18, 2026 |
| Feb 16, 2026 | Patrick Williams PRESIDENT & CEO | AGrant or award Common Stock | +18,966 | $0.00 | $0 | 218,655 | Feb 18, 2026 |
| Nov 14, 2025 | Leslie J Parrette director | POpen-market purchase Common Stock | +340 | $74.09 | $25k | 5,837 | Nov 17, 2025 |
| May 13, 2025 | Corbin Barnes SVP, Corporate Dev and IR | FTax withholding Common Stock | -740 | $91.53 | $68k | 8,998 | May 15, 2025 |
| May 13, 2025 | Hardy Louis Griffin III SVP, HUMAN RESOURCES | FTax withholding Common Stock | -600 | $91.53 | $55k | 6,742 | May 15, 2025 |
| May 13, 2025 | Leslie J Parrette director | SOpen-market sale Common Stock | -270 | $90.60 | $24k | 5,673 | May 15, 2025 |
| May 13, 2025 | Leslie J Parrette director | SOpen-market sale Common Stock | -176 | $90.68 | $16k | 5,497 | May 15, 2025 |
| Mar 3, 2025 | Ian Cleminson EVP & CFO | SOpen-market sale Common Stock | -4,275 | $100.98 | $432k | 15,858 | Mar 4, 2025 |
| Mar 3, 2025 | Patrick Williams PRESIDENT & CEO | FTax withholding Common Stock | -12,723 | $103.66 | $1.3M | 199,689 | Mar 4, 2025 |
| Feb 24, 2025 | Graeme Blair Head of Group Finance | AGrant or award Phantom Stockderivative | +300 | $0.00 | $0 | 300 | Feb 27, 2025 |
| Feb 24, 2025 | Ian Cleminson VP & CFO | AGrant or award Common Stock | +2,862 | $0.00 | $0 | 20,133 | Feb 27, 2025 |
| Feb 24, 2025 | David B. Jones SVP, GC & CCO | AGrant or award Common Stock | +2,036 | $0.00 | $0 | 11,700 | Feb 27, 2025 |
| Feb 24, 2025 | David Landless director | AGrant or award Common Stock | +1,209 | $0.00 | $0 | 6,687 | Feb 27, 2025 |
| Feb 24, 2025 | Larry PADFIELD director | AGrant or award Common Stock | +1,209 | $0.00 | $0 | 8,508 | Feb 27, 2025 |
| Feb 24, 2025 | Leslie J Parrette director | AGrant or award Common Stock | +1,209 | $0.00 | $0 | 5,943 | Feb 27, 2025 |
| Feb 24, 2025 | Patrick Williams PRESIDENT & CEO | AGrant or award Common Stock | +14,743 | $0.00 | $0 | 212,412 | Feb 27, 2025 |
| Feb 24, 2025 | Claudia Poccia director | AGrant or award Common Stock | +1,209 | $0.00 | $0 | 5,088 | Feb 27, 2025 |
| Feb 24, 2025 | Ian Malcolm McRobbie Senior VP R&T | AGrant or award Phantom Stockderivative | +1,560 | $0.00 | $0 | 1,560 | Feb 27, 2025 |
| Feb 21, 2025 | Corbin Barnes SVP, Corporate Dev and IR | MOption exercise Common Stock | +200 | $99.68 | $20k | 8,251 | Feb 27, 2025 |
| Feb 21, 2025 | Hardy Louis Griffin III SVP, HUMAN RESOURCES | MOption exercise Common Stock | +121 | $99.68 | $12k | 5,781 | Feb 27, 2025 |
| Feb 24, 2025 | Elizabeth K Arnold director | AGrant or award Common Stock | +1,209 | $0.00 | $0 | 4,837 | Feb 27, 2025 |
| Feb 24, 2025 | Milton C Blackmore director | AGrant or award Common Stock | +1,209 | $0.00 | $0 | 9,585 | Feb 27, 2025 |
| Feb 21, 2025 | Corbin Barnes SVP, Corporate Dev and IR | DDisposition to issuer Common Stock | -200 | $101.99 | $20k | 8,051 | Feb 27, 2025 |
| Feb 21, 2025 | Hardy Louis Griffin III SVP, HUMAN RESOURCES | DDisposition to issuer Common Stock | -121 | $101.99 | $12k | 5,660 | Feb 27, 2025 |
| Feb 24, 2025 | Hardy Louis Griffin III SVP, HUMAN RESOURCES | AGrant or award Common Stock | +1,682 | $0.00 | $0 | 7,342 | Feb 27, 2025 |
| Feb 24, 2025 | Corbin Barnes SVP, Corporate Dev and IR | AGrant or award Common Stock | +1,687 | $0.00 | $0 | 9,738 | Feb 27, 2025 |
| Feb 21, 2025 | Corbin Barnes SVP, Corporate Dev and IR | MOption exercise Stock Appreciation Rightderivative | -200 | $0.00 | $0 | 0 | Feb 27, 2025 |
| Feb 21, 2025 | Hardy Louis Griffin III SVP, HUMAN RESOURCES | MOption exercise Stock Appreciation Rightderivative | -121 | $0.00 | $0 | 0 | Feb 27, 2025 |
| Feb 24, 2025 | Corbin Barnes SVP, Corporate Dev and IR | MOption exercise Common Stock | +598 | $99.68 | $60k | 8,649 | Feb 26, 2025 |
| Feb 24, 2025 | Corbin Barnes SVP, Corporate Dev and IR | SOpen-market sale Common Stock | -598 | $103.06 | $62k | 8,051 | Feb 26, 2025 |
| Feb 24, 2025 | Corbin Barnes SVP, Corporate Dev and IR | MOption exercise Employee Stock Optionderivative | -598 | $0.00 | $0 | 0 | Feb 26, 2025 |
| Feb 21, 2025 | Ian Cleminson VP & CFO | AGrant or award Common Stock | +4,275 | $0.00 | $0 | 17,271 | Feb 25, 2025 |
| Feb 21, 2025 | Hardy Louis Griffin III SVP, HUMAN RESOURCES | AGrant or award Common Stock | +1,625 | $0.00 | $0 | 6,148 | Feb 25, 2025 |
| Feb 21, 2025 | David Landless director | FTax withholding Common Stock | -306 | $105.07 | $32k | 5,478 | Feb 25, 2025 |
| Feb 21, 2025 | Larry PADFIELD director | SOpen-market sale Common Stock | -196 | $103.30 | $20k | 7,299 | Feb 25, 2025 |
| Feb 21, 2025 | Patrick Williams PRESIDENT & CEO | AGrant or award Common Stock | +30,292 | $0.00 | $0 | 197,669 | Feb 25, 2025 |
| Feb 21, 2025 | Hardy Louis Griffin III SVP, HUMAN RESOURCES | FTax withholding Common Stock | -488 | $105.07 | $51k | 5,660 | Feb 25, 2025 |
| Feb 21, 2025 | Corbin Barnes SVP, Corporate Dev and IR | AGrant or award Common Stock | +2,692 | $0.00 | $0 | 10,743 | Feb 24, 2025 |
| Feb 21, 2025 | Philip John Boon Executive VP Business Ops | AGrant or award Common Stock | +3,754 | $0.00 | $0 | 23,833 | Feb 24, 2025 |
| Feb 21, 2025 | Milton C Blackmore director | SOpen-market sale Common Stock | -652 | $103.30 | $67k | 8,376 | Feb 24, 2025 |
| Feb 21, 2025 | David B. Jones SVP, GC & CCO | AGrant or award Common Stock | +3,091 | $0.00 | $0 | 12,755 | Feb 24, 2025 |
| Feb 21, 2025 | Corbin Barnes SVP, Corporate Dev and IR | SOpen-market sale Common Stock | -2,692 | $103.30 | $278k | 8,051 | Feb 24, 2025 |
| Feb 21, 2025 | Philip John Boon Executive VP Business Ops | SOpen-market sale Common Stock | -3,754 | $103.30 | $388k | 20,079 | Feb 24, 2025 |
| Feb 21, 2025 | David B. Jones SVP, GC & CCO | SOpen-market sale Common Stock | -3,091 | $103.30 | $319k | 9,664 | Feb 24, 2025 |
| Nov 18, 2024 | Corbin Barnes SVP, Corporate Dev and IR | SOpen-market sale Common Stock | -307 | $117.52 | $36k | 8,051 | Jan 30, 2025 |
| Nov 18, 2024 | Hardy Louis Griffin III SVP, HUMAN RESOURCES | SOpen-market sale Common Stock | -161 | $117.52 | $19k | 4,523 | Jan 30, 2025 |
| Nov 22, 2024 | Claudia Poccia director | MOption exercise Common Stock | +300 | $99.85 | $30k | 4,179 | Nov 25, 2024 |
| Nov 22, 2024 | Claudia Poccia director | SOpen-market sale Common Stock | -300 | $119.88 | $36k | 3,879 | Nov 25, 2024 |
| Nov 22, 2024 | Claudia Poccia director | MOption exercise Stock Option (Right to Buy)derivative | -300 | $0.00 | $0 | 0 | Nov 25, 2024 |
| Nov 13, 2024 | Milton C Blackmore director | MOption exercise Common Stock | +1,035 | $43.95 | $45k | 10,063 | Nov 14, 2024 |
| Nov 13, 2024 | Milton C Blackmore director | SOpen-market sale Common Stock | -1,035 | $122.92 | $127k | 9,028 | Nov 14, 2024 |
| Nov 13, 2024 | Milton C Blackmore director | MOption exercise Stock Option (Right to Buy)derivative | -1,035 | $0.00 | $0 | 0 | Nov 14, 2024 |
Insiders
Everyone who has filed a Form 4 here.
- Elizabeth K Arnolddirector
- Corbin BarnesSVP, Corporate Dev and IR
- Philip John BoonExecutive VP Business Ops
- Milton C Blackmoredirector
- Graeme BlairHead of Group Finance
- Ian CleminsonEVP & CFO
- Hardy Louis Griffin IIISVP, HUMAN RESOURCES
- David B. JonesSVP, GC & CCO
- David Landlessdirector
- Ian Malcolm McRobbieSenior VP R&T
- Larry PADFIELDdirector
- Leslie J Parrettedirector
- Claudia Pocciadirector
- Patrick WilliamsPRESIDENT & CEO
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.