Stocks › IOSP
INNOSPEC INC.
IOSP·Nasdaq·
United States·USD
United States·USD$98.55
+0.90 (+0.92%)
Close · Oct 6, 2026 · Close Prices from Tiingo.com
IOSP
INNOSPEC INC. · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
IOSPS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of IOSP by members of U.S. Congress · 3 on record
| Politician | Stock | Type | Filed | Traded | |
|---|---|---|---|---|---|
 James B. RenacciHouse · R · OH |
IOSPINNOSPEC INC. · Stock |
Sale $1,001 - $15,000 |
Jun 22, 2017 | Jun 1, 2017 | Filing ↗ |
| James B. RenacciHouse · R · OH |
IOSPINNOSPEC INC. · Stock |
Purchase $1,001 - $15,000 |
Apr 11, 2016 | Mar 28, 2016 | Filing ↗ |
| James B. RenacciHouse · R · OH |
IOSPINNOSPEC INC. · Stock |
Purchase $1,001 - $15,000 |
Apr 11, 2016 | Mar 29, 2016 | Filing ↗ |
Whale Activity
Position changes in IOSP reported for 2026-06-30 by 11 tracked institutional filers
- Increased3
- New0
- Held0
- Decreased5
- Closed2
- No prior filing1
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 4.4M | $356.6M | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.9M | $153.4M | increased |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.1M | $90.2M | decreased |
| TWO SIGMA INVESTMENTS, LP | 568.7K | $46.3M | decreased |
| RENAISSANCE TECHNOLOGIES LLC | 185.0K | $15.1M | increased |
| D. E. Shaw & Co., Inc. | 165.7K | $13.5M | decreased |
| FIRST WILSHIRE SECURITIES MANAGEMENT INC | 147.1K | $12.0M | — |
| CITADEL ADVISORS LLC | 98.5K | $8.0M | decreased |
| Point72 Asset Management, L.P. | 42.6K | $3.5M | decreased |
| Bridgewater Associates | 0 | $0 | closed |
| Millennium Management LLC | 0 | $0 | closed |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by IOSP insiders, by quarter · Form 4
Recent Insider Transactions
1,339 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Jones David B.SVP, GC & CCO | Sale | −1,028 | $75.64 | $78K | Mar 3, 2026 | Form 4 ↗ |
| Blackmore Milton CDirector | Sale Amended | −307 | $76.79 | $24K | Feb 27, 2026 | Form 4 ↗ |
| Blackmore Milton CDirector | Sale Amended | −287 | $76.30 | $22K | Feb 27, 2026 | Form 4 ↗ |
| PADFIELD LarryDirector | Sale Amended | −307 | $76.79 | $24K | Feb 27, 2026 | Form 4 ↗ |
| PADFIELD LarryDirector | Sale Amended | −287 | $76.30 | $22K | Feb 27, 2026 | Form 4 ↗ |
| Poccia ClaudiaDirector | Sale Amended | −62 | $76.79 | $5K | Feb 27, 2026 | Form 4 ↗ |
| Poccia ClaudiaDirector | Sale Amended | −57 | $76.30 | $4K | Feb 27, 2026 | Form 4 ↗ |
| LANDLESS DAVIDDirector | Sale Amended | −307 | $76.79 | $24K | Feb 27, 2026 | Form 4 ↗ |
| LANDLESS DAVIDDirector | Sale Amended | −287 | $76.30 | $22K | Feb 27, 2026 | Form 4 ↗ |
| Cleminson IanEVP & CFO | Sale Amended | −1,231 | $76.79 | $95K | Feb 27, 2026 | Form 4 ↗ |
| Cleminson IanEVP & CFO | Sale Amended | −1,149 | $76.30 | $88K | Feb 27, 2026 | Form 4 ↗ |
| Blackmore Milton CDirector | Sale | −594 | $76.56 | $45K | Feb 27, 2026 | Form 4 ↗ |
| PADFIELD LarryDirector | Sale | −594 | $76.56 | $45K | Feb 27, 2026 | Form 4 ↗ |
| Poccia ClaudiaDirector | Sale | −119 | $76.56 | $9K | Feb 27, 2026 | Form 4 ↗ |
| GRIFFIN HARDY LOUIS IIISVP, HUMAN RESOURCES | Tax withholding | −401 | $78.34 | $31K | Feb 27, 2026 | Form 4 ↗ |
| LANDLESS DAVIDDirector | Sale | −594 | $76.56 | $45K | Feb 27, 2026 | Form 4 ↗ |
| Jones David B.SVP, GC & CCO | Tax withholding | −875 | $78.34 | $69K | Feb 27, 2026 | Form 4 ↗ |
| BARNES CORBINSVP, Corporate Dev and IR | Tax withholding | −166 | $78.34 | $13K | Feb 27, 2026 | Form 4 ↗ |
| Cleminson IanEVP & CFO | Sale | −2,380 | $76.56 | $182K | Feb 27, 2026 | Form 4 ↗ |
| Williams PatrickPRESIDENT & CEO | Tax withholding | −7,966 | $78.34 | $624K | Feb 27, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding IOSP · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF iShares Trust | 1.5M | $120.8M | 0.11% | Jun 30, 2026 |
| Allspring Special Small Cap Value Fund ALLSPRING FUNDS TRUST | 1.2M | $98.3M | 3.32% | Jun 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 782.4K | $63.7M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF iShares Trust | 653.8K | $53.2M | 0.06% | Jun 30, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 564.5K | $45.9M | 0.02% | Jun 30, 2026 |
| Victory Sycamore Small Company Opportunity Fund Victory Portfolios | 490.0K | $39.9M | 0.85% | Jun 30, 2026 |
| VANGUARD SMALL-CAP VALUE INDEX FUND VANGUARD INDEX FUNDS | 357.8K | $29.1M | 0.04% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund Fidelity Salem Street Trust | 276.1K | $23.7M | 0.07% | Jul 31, 2026 |
| Brighthouse Small Cap Value Portfolio Brighthouse Funds Trust I | 288.4K | $23.5M | 3.20% | Jun 30, 2026 |
| College Retirement Equities Fund - Total Global Stock Account College Retirement Equities Fund | 282.9K | $23.0M | 0.02% | Jun 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list IOSP's shares (CUSIP 45768S105), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming INNOSPEC INC. as client
No lobbying filings found naming INNOSPEC INC. as the client.
Government Contracts
Federal awards to INNOSPEC INC. · USAspending
No federal contract awards found for INNOSPEC INC..
U.S. Patents
Recent USPTO applications naming INNOSPEC INC.
No USPTO patent applications found for INNOSPEC INC..
Annual Financials
From IOSP's 10-K filings · XBRL
No annual XBRL figures on record for IOSP. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
- 2-for-1Stock splitJul 23, 2007
Split dates and ratios from the price history · Close Prices from Tiingo.com
Material Events (8-K)
Corporate events filed with the SEC
About INNOSPEC INC.
From SEC EDGAR company records
Industry (SIC 2800)Chemicals & Allied Products
SectorMaterials
HeadquartersENGLEWOOD, CO
IncorporatedDE
SEC CIK0001054905 ↗
Former namesOCTEL CORP