INNOSPEC (IOSP) stock: insider trades, news & valuation
Net sellingShare price and insider trades
INNOSPEC insider trading at a glance (Oct 9, 2026): in the past 12 months, 1 insider bought $25K and 6 sold $902K of IOSP stock on the open market.
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IOSP insider buying and selling by quarter
Open-market purchases (green, above the line) and sales (red, below), by trade date.
| Quarter | Bought | Purchases | Sold | Sales |
|---|---|---|---|---|
| Q4 2026 | — | 0 | — | 0 |
| Q3 2026 | — | 0 | — | 0 |
| Q2 2026 | — | 0 | — | 0 |
| Q1 2026 | — | 0 | $902K | 18 |
| Q4 2025 | $25K | 1 | — | 0 |
Valuation, profit and volume
Summary
Over the past 12 months, 1 INNOSPEC INC. insider reported open-market purchases totaling $25K, while 6 insiders reported sales totaling $902K. 0 of 18 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.
Insider transactions
Open-market purchases and sales.
| Filed | Insider | Type | Shares | Price | Value | Since | Score |
|---|---|---|---|---|---|---|---|
| Mar 6SEC | Ian CleminsonCFO | Sell | 1,23120,357 held (−6%) | $76.79 | $95K | +24.6% | — |
| Mar 6SEC | Ian CleminsonCFO | Sell | 1,14921,588 held (−5%) | $76.30 | $88K | +25.4% | — |
| Mar 6SEC | Milton C BlackmoreDirector | Sell | 30710,530 held (−3%) | $76.79 | $24K | +24.6% | — |
| Mar 6SEC | Larry PadfieldDirector | Sell | 3079,453 held (−3%) | $76.79 | $24K | +24.6% | — |
| Mar 6SEC | David LandlessDirector | Sell | 3077,632 held (−4%) | $76.79 | $24K | +24.6% | — |
| Mar 6SEC | Milton C BlackmoreDirector | Sell | 28710,837 held (−3%) | $76.30 | $22K | +25.4% | — |
| Mar 6SEC | Larry PadfieldDirector | Sell | 2879,760 held (−3%) | $76.30 | $22K | +25.4% | — |
| Mar 6SEC | David LandlessDirector | Sell | 2877,939 held (−3%) | $76.30 | $22K | +25.4% | — |
| Mar 6SEC | Claudia PocciaDirector | Sell | 626,508 held (−1%) | $76.79 | $5K | +24.6% | — |
| Mar 6SEC | Claudia PocciaDirector | Sell | 576,570 held (−1%) | $76.30 | $4K | +25.4% | — |
| Mar 3SEC | Ian CleminsonCFO | Sell | 2,38020,357 held (−10%) | $76.56 | $182K | +24.9% | — |
| Mar 3SEC | David B. JonesSvp, Gc & Cco | Sell | 1,02814,693 held (−7%) | $75.64 | $78K | +26.5% | — |
| Mar 3SEC | Larry PadfieldDirector | Sell | 5949,453 held (−6%) | $76.56 | $45K | +24.9% | — |
| Mar 3SEC | Milton C BlackmoreDirector | Sell | 59410,530 held (−5%) | $76.56 | $45K | +24.9% | — |
| Mar 3SEC | David LandlessDirector | Sell | 5947,632 held (−7%) | $76.56 | $45K | +24.9% | — |
| Mar 3SEC | Claudia PocciaDirector | Sell | 1196,508 held (−2%) | $76.56 | $9K | +24.9% | — |
| Feb 24SEC | Larry PadfieldDirector | Sell | 1,0308,508 held (−11%) | $81.84 | $84K | +16.9% | — |
| Feb 24SEC | Milton C BlackmoreDirector | Sell | 1,0309,585 held (−10%) | $81.84 | $84K | +16.9% | — |
| Nov 17SEC | Leslie J ParretteDirector | Buy | 3405,837 held (+6%) | $74.09 | $25K | +29.1% | — |
Insiders at INNOSPEC INC.
| Insider | Bought | Sold | Last filing | Score |
|---|---|---|---|---|
| Ian CleminsonCFO | — | $364K | Mar 6, 2026 | — |
| Milton C BlackmoreDirector | — | $175K | Mar 6, 2026 | — |
| Larry PadfieldDirector | — | $175K | Mar 6, 2026 | — |
| David LandlessDirector | — | $91K | Mar 6, 2026 | — |
| David B. JonesSvp, Gc & Cco | — | $78K | Mar 3, 2026 | — |
| Leslie J ParretteDirector | $25K | — | Nov 17, 2025 | — |
| Claudia PocciaDirector | — | $18K | Mar 6, 2026 | — |
IOSP stock: common questions
Are INNOSPEC INC. insiders buying IOSP stock?
In the past 12 months, 1 insiders reported open-market purchases of IOSP worth $25K. The latest was Director Leslie J Parrette bought $25K of IOSP at $74.09 — first open-market purchase in our records.
Are INNOSPEC INC. insiders selling IOSP stock?
6 insiders reported sales worth $902K over the same period.
Where does this data come from?
Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.
What is IOSP's 52-week range?
Over the past year IOSP has traded between $65.12 and $98.72. It last closed at $95.65 on Oct 9, 2026.