INNOSPEC INC. (IOSP)
Data as of , from SEC Form 4 filings.
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About INNOSPEC INC. (IOSP)
The SEC lists INNOSPEC INC. under CIK 0001054905, in chemicals and allied products. We track it alongside the rest of the Materials sector.
IOSP Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Grant or award | 6 | 38,674 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
IOSP insider transactions (Form 4)
3644 Form 4 filings on record, the earliest from Nov 14, 2024, newest first. Filing history page 1 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Corbin Barnes - Officer | Grant or award | Phantom Stock | 2,642 | $0.00 | - | |
| Hardy Louis Griffin III - Officer | Grant or award | Phantom Stock | 2,685 | $0.00 | - | |
| Ian Cleminson - Officer | Grant or award | Phantom Stock | 4,792 | $0.00 | - | |
 Ian Malcolm McRobbie - Officer | Grant or award | Phantom Stock | 3,164 | $0.00 | - | |
| David B. Jones - Officer | Grant or award | Phantom Stock | 3,188 | $0.00 | - | |
 Patrick Williams - Officer | Grant or award | Phantom Stock | 22,203 | $0.00 | - | |
| Milton C. Blackmore | Open-market sale | Common Stock | 287 | $76.30 | $22K | |
| Milton C. Blackmore | Open-market sale | Common Stock | 307 | $76.79 | $24K | |
 Larry Padfield | Open-market sale | Common Stock | 287 | $76.30 | $22K | |
| Larry Padfield | Open-market sale | Common Stock | 307 | $76.79 | $24K | |
| Claudia Poccia | Open-market sale | Common Stock | 57 | $76.30 | $4K | |
| Claudia Poccia | Open-market sale | Common Stock | 62 | $76.79 | $5K | |
| David Landless | Open-market sale | Common Stock | 287 | $76.30 | $22K | |
| David Landless | Open-market sale | Common Stock | 307 | $76.79 | $24K | |
| Ian Cleminson - Officer | Open-market sale | Common Stock | 1,149 | $76.30 | $88K | |
| Ian Cleminson - Officer | Open-market sale | Common Stock | 1,231 | $76.79 | $95K | |
| Milton C. Blackmore | Open-market sale | Common Stock | 594 | $76.56 | $45K | |
| Larry Padfield | Open-market sale | Common Stock | 594 | $76.56 | $45K | |
| Claudia Poccia | Open-market sale | Common Stock | 119 | $76.56 | $9K | |
| Hardy Louis Griffin III - Officer | Tax withholding / forfeiture | Common Stock | 401 footnote F1 | $78.34 | $31K | |
| ||||||
| David Landless | Open-market sale | Common Stock | 594 | $76.56 | $45K | |
| David B. Jones - Officer | Open-market sale | Common Stock | 1,028 | $75.64 | $78K | |
| David B. Jones - Officer | Tax withholding / forfeiture | Common Stock | 875 footnote F1 | $78.34 | $69K | |
| ||||||
| Corbin Barnes - Officer | Tax withholding / forfeiture | Common Stock | 166 footnote F1 | $78.34 | $13K | |
| ||||||
| Ian Cleminson - Officer | Open-market sale | Common Stock | 2,380 | $76.56 | $182K | |
| Patrick Williams - Officer | Tax withholding / forfeiture | Common Stock | 7,966 footnote F1 | $78.34 | $624K | |
| ||||||
| Corbin Barnes - Officer | Grant or award | Common Stock | 2,481 footnote F1 | $0.00 | - | |
| ||||||
| Hardy Louis Griffin III - Officer | Grant or award | Common Stock | 2,521 footnote F1 | $0.00 | - | |
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| Ian Cleminson - Officer | Grant or award | Common Stock | 4,499 footnote F1 | $0.00 | - | |
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| Patrick Williams - Officer | Grant or award | Common Stock | 20,846 footnote F1 | $0.00 | - | |
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| David B. Jones - Officer | Grant or award | Common Stock | 2,993 footnote F1 | $0.00 | - | |
| ||||||
 Graeme Blair - Officer | Grant or award | Phantom Stock | 520 | $0.00 | - | |
| Ian Malcolm McRobbie - Officer | Grant or award | Phantom Stock | 2,228 | $0.00 | - | |
| Elizabeth K. Arnold | Grant or award | Common Stock | 1,539 footnote F1 | $0.00 | - | |
| ||||||
| Leslie J. Parrette | Grant or award | Common Stock | 1,539 footnote F1 | $0.00 | - | |
| ||||||
| David Landless | Grant or award | Common Stock | 1,539 footnote F1 | $0.00 | - | |
| ||||||
Item 2.02, 9.01
Item 5.02
Item 5.07
Item 2.02, 7.01, 9.01
IOSP insider trading FAQ
What is the latest insider trade for IOSP?
INNOSPEC INC. (IOSP) had 6 insider filings in the last 90 days, with the most recent on 2026-10-06. The full record for IOSP runs to 44 Form 4 filings, the earliest from 2024-11-14. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying IOSP stock?
No insider purchases of IOSP were filed in the last 90 days. 1 purchase is on record for this company.
How many insiders are selling IOSP stock?
No insider sales of IOSP were filed in the last 90 days. 22 sales are on record for this company.
Where can I see IOSP SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects IOSP Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Materials companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Corbin Barnes view on EDGAR
- - Hardy Louis Griffin III view on EDGAR
- - Ian Cleminson view on EDGAR
- - Ian Malcolm McRobbie view on EDGAR
- - David B. Jones view on EDGAR
- - Patrick Williams view on EDGAR
- - Milton C. Blackmore view on EDGAR
- - Larry Padfield view on EDGAR
- - Claudia Poccia view on EDGAR
Related companies with recent insider activity
Learn more
- What the Form 4 transaction codes mean
- Grants, option exercises, gifts and tax withholding are not trades on the market. The codes say which is which.
- Insider activity in Materials
- Where IOSP's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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