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)
2544 Form 4 filings on record, the earliest from Nov 14, 2024, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Claudia Poccia | Grant or award | Common Stock | 1,539 footnote F1 | $0.00 | - | |
| ||||||
| Milton C. Blackmore | Option exercise | Common Stock | 1,030 | $44.18 | $46K | |
| Milton C. Blackmore | Open-market sale | Common Stock | 1,030 | $81.84 | $84K | |
| Milton C. Blackmore | Option exercise | Stock Option | 1,030 | $0.00 | - | |
| Milton C. Blackmore | Grant or award | Common Stock | 1,539 footnote F1 | $0.00 | - | |
| ||||||
 Larry Padfield | Option exercise | Common Stock | 1,030 | $44.18 | $46K | |
| Larry Padfield | Open-market sale | Common Stock | 1,030 | $81.84 | $84K | |
| Larry Padfield | Option exercise | Stock Option | 1,030 | $0.00 | - | |
| Larry Padfield | Grant or award | Common Stock | 1,539 footnote F1 | $0.00 | - | |
| ||||||
| Corbin Barnes - Officer | Grant or award | Common Stock | 1,730 footnote F1 | $0.00 | - | |
| ||||||
| Hardy Louis Griffin III - Officer | Grant or award | Common Stock | 1,299 footnote F1 | $0.00 | - | |
| ||||||
| Ian Cleminson - Officer | Grant or award | Common Stock | 2,380 footnote F1 | $0.00 | - | |
| ||||||
 Patrick Williams - Officer | Grant or award | Common Stock | 18,966 footnote F1 | $0.00 | - | |
| ||||||
| David B. Jones - Officer | Grant or award | Common Stock | 1,903 footnote F1 | $0.00 | - | |
| ||||||
| Leslie J. Parrette | Open-market purchase | Common Stock | 340 | $74.09 | $25K | |
| Leslie J. Parrette | Open-market sale | Common Stock | 270 | $90.60 | $24K | |
| Leslie J. Parrette | Open-market sale | Common Stock | 176 | $90.68 | $16K | |
| Hardy Louis Griffin III - Officer | Tax withholding / forfeiture | Common Stock | 600 | $91.53 | $55K | |
| Corbin Barnes - Officer | Tax withholding / forfeiture | Common Stock | 740 | $91.53 | $68K | |
| Claudia Poccia | Option exercise | Common Stock | 300 | $99.85 | $30K | |
| Claudia Poccia | Open-market sale | Common Stock | 300 | $119.88 | $36K | |
| Claudia Poccia | Option exercise | Stock Option (Right to Buy) | 300 | $0.00 | - | |
| Milton C. Blackmore | Option exercise | Common Stock | 1,035 | $43.95 | $45K | |
| Milton C. Blackmore | Open-market sale | Common Stock | 1,035 | $122.92 | $127K | |
| Milton C. Blackmore | Option exercise | Stock Option (Right to Buy) | 1,035 | $0.00 | - | |
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.
Follow IOSP with a 7-day demo
- IOSP on your watchlist
- Every IOSP Form 4 filing on record
- Up to 3 months of IOSP price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive
