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IOSP Insider Trading

Insider Ownership Percentage: 1.45%
Insider Buying (Last 12 Months): $25,190.60
Insider Selling (Last 12 Months): $391,888.88

Innospec Insider Trading History Chart

This chart shows the insider buying and selling history at Innospec by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Innospec Share Price & Price History

Current Price: $99.23
Price Change: ▼ Price Decrease of -0.32 (-0.32%)
As of 11/3/2026 04:00 PM ET

This chart shows the closing price history over time for IOSP up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Innospec Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
3/3/2026David B. JonesSVPSell1,028$75.64$77,757.9214,693View SEC Filing Icon  
2/27/2026Claudia PocciaDirectorSell119$76.56$9,110.646,508View SEC Filing Icon  
2/27/2026David LandlessDirectorSell594$76.56$45,476.647,632View SEC Filing Icon  
2/27/2026Larry PadfieldDirectorSell594$76.56$45,476.649,453View SEC Filing Icon  
2/27/2026Milton C BlackmoreDirectorSell594$76.56$45,476.6410,530View SEC Filing Icon  
2/20/2026Larry PadfieldDirectorSell1,030$81.84$84,295.208,508View SEC Filing Icon  
2/20/2026Milton C BlackmoreDirectorSell1,030$81.84$84,295.209,585View SEC Filing Icon  
11/14/2025Leslie J. ParretteDirectorBuy340$74.09$25,190.605,837View SEC Filing Icon  
5/13/2025Leslie J. ParretteDirectorSell446$90.63$40,420.985,497View SEC Filing Icon  
2/24/2025Corbin BarnesSVPSell598$103.06$61,629.888,051View SEC Filing Icon  
2/21/2025Corbin BarnesSVPSell2,692$103.30$278,083.608,051View SEC Filing Icon  
2/21/2025Milton C BlackmoreDirectorSell652$103.30$67,351.608,376View SEC Filing Icon  
2/21/2025Philip John BoonVPSell3,754$103.30$387,788.2020,079View SEC Filing Icon  
11/18/2024Hardy Louis Griffin, IIISVPSell161$117.52$18,920.724,523View SEC Filing Icon  
11/13/2024Milton C BlackmoreDirectorSell1,035$122.92$127,222.209,028View SEC Filing Icon  
8/26/2024Ian CleminsonCFOSell3,398$114.74$389,886.5212,996View SEC Filing Icon  
8/23/2024Ian CleminsonCFOSell6,602$113.60$749,987.2016,394View SEC Filing Icon  
8/13/2024Leslie J. ParretteDirectorBuy143$105.84$15,135.124,734View SEC Filing Icon  
5/20/2024Hardy Louis Griffin, IIISVPSell525$129.78$68,134.504,523View SEC Filing Icon  
5/16/2024Leslie J. ParretteDirectorBuy189$131.57$24,866.734,591View SEC Filing Icon  
3/1/2024David B. JonesSVPSell2,500$125.79$314,475.009,664View SEC Filing Icon  
2/29/2024Ian CleminsonCFOSell931$124.07$115,509.1722,996View SEC Filing Icon  
2/29/2024Patrick WilliamsCEOSell3,955$124.21$491,250.55167,216View SEC Filing Icon  
2/26/2024Patrick WilliamsCEOSell9,667$125.01$1,208,471.67164,667View SEC Filing Icon  
2/23/2024Patrick WilliamsCEOSell9,667$124.37$1,202,284.79174,334View SEC Filing Icon  
2/22/2024Hardy Louis Griffin, IIISVPSell1,875$122.07$228,881.255,000View SEC Filing Icon  
2/22/2024Ian CleminsonCFOSell4,190$123.77$518,596.3020,997View SEC Filing Icon  
2/22/2024Leslie J. ParretteDirectorBuy410$123.96$50,823.603,620View SEC Filing Icon  
2/22/2024Philip John BoonVPSell3,715$122.07$453,490.0518,516View SEC Filing Icon  
11/13/2023Larry PadfieldDirectorSell977$101.54$99,204.586,600View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Innospec (NASDAQ:IOSP)

96.64% of Innospec stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at IOSP by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Innospec Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/4/2026Brighton Jones LLC3,456$0.33M0.0%+6.8%0.014%Search for SEC Filing on Google Icon
11/3/2026Ethic Inc.2,245$0.21M0.0%-12.0%0.009%Search for SEC Filing on Google Icon
11/3/2026CenterBook Partners LP10,894$1.04M0.0%N/A0.044%Search for SEC Filing on Google Icon
10/30/2026Oregon Public Employees Retirement Fund5,491$0.52M0.0%-1.8%0.022%Search for SEC Filing on Google Icon
10/29/2026ProShare Advisors LLC118,767$11.32M0.0%+46.2%0.482%Search for SEC Filing on Google Icon
10/29/2026Vise Technologies Inc.6,770$0.65M0.0%+85.5%0.027%Search for SEC Filing on Google Icon
10/29/2026Grandfield & Dodd LLC2,400$0.23M0.0%N/A0.010%Search for SEC Filing on Google Icon
10/29/2026State of Wyoming487$46K0.0%N/A0.002%Search for SEC Filing on Google Icon
10/28/2026Choreo LLC2,460$0.23M0.0%N/A0.010%Search for SEC Filing on Google Icon
10/24/2026Leeward Investments LLC MA118,035$11.25M0.6%-5.8%0.479%Search for SEC Filing on Google Icon
10/23/2026Signaturefd LLC1,252$0.12M0.0%+61.8%0.005%Search for SEC Filing on Google Icon
10/23/2026Inspire Investing LLC6,650$0.63M0.0%-19.9%0.027%Search for SEC Filing on Google Icon
10/22/2026Yousif Capital Management LLC6,187$0.59M0.0%-5.8%0.025%Search for SEC Filing on Google Icon
10/22/2026Root Financial Partners LLC311$30K0.0%N/A0.001%Search for SEC Filing on Google Icon
10/21/2026Nisa Investment Advisors LLC2,312$0.22M0.0%+44.4%0.009%Search for SEC Filing on Google Icon
10/15/2026Assenagon Asset Management S.A.319,633$30.47M0.0%+17.2%1.298%Search for SEC Filing on Google Icon
10/15/2026State of Alaska Department of Revenue5,052$0.48M0.0%-45.3%0.021%Search for SEC Filing on Google Icon
10/15/2026ZWJ Investment Counsel Inc.114,933$10.96M0.3%+5.9%0.467%Search for SEC Filing on Google Icon
10/8/2026Farther Finance Advisors LLC675$64K0.0%+94.0%0.003%Search for SEC Filing on Google Icon
9/9/2026Sequoia Financial Advisors LLC2,540$0.21M0.0%N/A0.010%Search for SEC Filing on Google Icon
9/9/2026Tidal Investments LLC3,330$0.27M0.0%-13.6%0.014%Search for SEC Filing on Google Icon
9/9/2026Engineers Gate Manager LP6,340$0.52M0.0%-90.2%0.026%Search for SEC Filing on Google Icon
9/9/2026Integrated Wealth Concepts LLC1,658$0.14M0.0%N/A0.007%Search for SEC Filing on Google Icon
9/9/2026NewEdge Advisors LLC11,286$0.92M0.0%+30.9%0.046%Search for SEC Filing on Google Icon
9/9/2026Squarepoint Ops LLC10,379$0.85M0.0%-37.0%0.042%Search for SEC Filing on Google Icon
9/8/2026Allworth Financial LP1,310$0.11M0.0%+40.9%0.005%Search for SEC Filing on Google Icon
9/8/2026Nykredit A S996$81K0.0%N/A0.004%Search for SEC Filing on Google Icon
8/27/2026Corient Private Wealth LP2,982$0.24M0.0%N/A0.012%Search for SEC Filing on Google Icon
8/26/2026Amundi3,565$0.29M0.0%-59.8%0.014%Search for SEC Filing on Google Icon
8/21/2026iSAM Funds UK Ltd3,000$0.24M0.2%-23.5%0.012%Search for SEC Filing on Google Icon
8/21/2026Nykredit A S996$81K0.0%N/A0.004%Search for SEC Filing on Google Icon
8/20/2026Headlands Technologies LLC4,632$0.38M0.0%+31.6%0.019%Search for SEC Filing on Google Icon
8/20/2026Susquehanna International Group LLP3,615$0.29M0.0%-65.5%0.015%Search for SEC Filing on Google Icon
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC73,457$5.98M0.0%-1.3%0.298%Search for SEC Filing on Google Icon
8/19/2026Hsbc Holdings PLC23,693$1.94M0.0%-6.5%0.096%Search for SEC Filing on Google Icon
8/18/2026Centaurus Financial Inc.1,444$0.12M0.0%N/A0.006%Search for SEC Filing on Google Icon
8/18/2026Public Employees Retirement System of Ohio763$62K0.0%N/A0.003%Search for SEC Filing on Google Icon
8/17/2026Capstone Investment Advisors LLC9,993$0.81M0.0%N/A0.041%Search for SEC Filing on Google Icon
8/17/2026Bank of America Corp DE235,742$19.19M0.0%N/A0.957%Search for SEC Filing on Google Icon
8/15/2026Freestone Grove Partners LP7,189$0.59M0.0%N/A0.029%Search for SEC Filing on Google Icon
8/15/2026Man Group plc6,151$0.50M0.0%N/A0.025%Search for SEC Filing on Google Icon
8/15/2026Jupiter Topco LLC127,976$10.42M0.0%N/A0.520%Search for SEC Filing on Google Icon
8/14/2026Hsbc Holdings PLC23,693$1.94M0.0%N/A0.096%Search for SEC Filing on Google Icon
8/14/2026PDT Partners LLC31,176$2.54M0.1%N/A0.127%Search for SEC Filing on Google Icon
8/14/2026Legal & General Group Plc58,841$4.79M0.0%N/A0.239%Search for SEC Filing on Google Icon
8/14/2026The Manufacturers Life Insurance Company12,070$0.98M0.0%N/A0.049%Search for SEC Filing on Google Icon
8/12/2026Ieq Capital LLC45,343$3.69M0.0%N/A0.184%Search for SEC Filing on Google Icon
8/11/2026Allworth Financial LP1,310$0.11M0.0%N/A0.005%Search for SEC Filing on Google Icon
8/11/2026Vise Technologies Inc.3,650$0.30M0.0%N/A0.015%Search for SEC Filing on Google Icon
8/11/2026Bell & Brown Wealth Advisors LLC2,609$0.21M0.1%N/A0.011%Search for SEC Filing on Google Icon
8/11/2026Western Standard LLC236,833$19.28M6.5%N/A0.962%Search for SEC Filing on Google Icon
8/8/2026Meeder Asset Management Inc.438$36K0.0%N/A0.002%Search for SEC Filing on Google Icon
8/7/2026BlackRock Inc.4,381,323$356.60M0.0%N/A17.788%Search for SEC Filing on Google Icon
8/7/2026Deutsche Bank AG27,565$2.24M0.0%N/A0.112%Search for SEC Filing on Google Icon
8/6/2026Bank of New York Mellon Corp137,261$11.17M0.0%N/A0.557%Search for SEC Filing on Google Icon
8/6/2026GSA Capital Partners LLP14,271$1.16M0.1%N/A0.058%Search for SEC Filing on Google Icon
7/10/2026Wedge Capital Management L L P NC20,329$1.66M0.0%-5.3%0.083%Search for SEC Filing on Google Icon
7/8/2026Assenagon Asset Management S.A.272,782$22.20M0.0%-44.4%1.107%Search for SEC Filing on Google Icon
6/3/2026NewEdge Advisors LLC8,625$0.63M0.0%+32.5%0.035%Search for SEC Filing on Google Icon
5/19/2026Bank of America Corp DE290,766$21.23M0.0%-9.8%1.180%Search for SEC Filing on Google Icon
5/19/2026Edgestream Partners L.P.34,226$2.50M0.1%-26.3%0.139%Search for SEC Filing on Google Icon
5/19/2026Janus Henderson Group PLC133,272$9.73M0.0%-11.7%0.541%Search for SEC Filing on Google Icon
5/18/2026Amundi8,875$0.65M0.0%+71.0%0.036%Search for SEC Filing on Google Icon
5/18/2026California State Teachers Retirement System27,529$2.01M0.0%+15.7%0.112%Search for SEC Filing on Google Icon
5/18/2026Royal Bank of Canada745$55K0.0%-82.2%0.003%Search for SEC Filing on Google Icon
5/16/2026The Manufacturers Life Insurance Company11,203$0.82M0.0%-3.4%0.045%Search for SEC Filing on Google Icon
5/16/2026Quantinno Capital Management LP5,606$0.41M0.0%-23.2%0.023%Search for SEC Filing on Google Icon
5/15/2026Entropy Technologies LP19,968$1.46M0.1%+33.3%0.081%Search for SEC Filing on Google Icon
5/14/2026Healthcare of Ontario Pension Plan Trust Fund61,669$4.50M0.0%-9.4%0.250%Search for SEC Filing on Google Icon
5/14/2026Renaissance Technologies LLC118,900$8.68M0.0%-1.2%0.483%Search for SEC Filing on Google Icon
5/14/2026Public Employees Retirement System of Ohio687$50K0.0%-96.6%0.003%Search for SEC Filing on Google Icon
5/14/2026Arrowstreet Capital Limited Partnership18,497$1.35M0.0%+196.5%0.075%Search for SEC Filing on Google Icon
5/14/2026Caxton Associates LLP4,726$0.35M0.0%N/A0.019%Search for SEC Filing on Google Icon
5/14/2026Sei Investments Co.174,121$12.71M0.0%+67.9%0.707%Search for SEC Filing on Google Icon
5/14/2026State of Wyoming3,918$0.29M0.0%+79.2%0.016%Search for SEC Filing on Google Icon
5/13/2026Cetera Investment Advisers5,315$0.39M0.0%+9.4%0.022%Search for SEC Filing on Google Icon
5/13/2026First Trust Advisors LP12,716$0.93M0.0%+3.6%0.052%Search for SEC Filing on Google Icon
5/12/2026First Wilshire Securities Management Inc.148,072$10.81M2.4%+47.2%0.595%Search for SEC Filing on Google Icon
5/8/2026PNC Financial Services Group Inc.1,079$79K0.0%-54.3%0.004%Search for SEC Filing on Google Icon
5/8/2026Summit Global Investments14,430$1.05M0.1%N/A0.058%Search for SEC Filing on Google Icon
5/7/2026Meeder Asset Management Inc.438$32K0.0%-87.2%0.002%Search for SEC Filing on Google Icon
5/7/2026Dimensional Fund Advisors LP1,242,089$90.70M0.0%+5.7%4.990%Search for SEC Filing on Google Icon
5/6/2026Allspring Global Investments Holdings LLC2,315,942$170.45M0.3%-1.7%9.305%Search for SEC Filing on Google Icon
5/5/2026Bank of New York Mellon Corp131,291$9.59M0.0%-4.7%0.527%Search for SEC Filing on Google Icon
5/5/2026Illinois Municipal Retirement Fund13,861$1.01M0.0%+8.6%0.056%Search for SEC Filing on Google Icon
5/4/2026Principal Financial Group Inc.120,477$8.80M0.0%+2.0%0.484%Search for SEC Filing on Google Icon
5/1/2026Fifth Third Bancorp12,482$0.91M0.0%+5,303.5%0.050%Search for SEC Filing on Google Icon
4/30/2026Hsbc Holdings PLC25,351$1.86M0.0%+70.7%0.102%Search for SEC Filing on Google Icon
4/29/2026R Squared Ltd4,363$0.32M0.2%-25.8%0.018%Search for SEC Filing on Google Icon
4/28/2026Hudson Edge Investment Partners Inc.8,373$0.61M0.1%+94.0%0.034%Search for SEC Filing on Google Icon
4/27/2026Moran Wealth Management LLC27,031$1.97M0.1%-35.7%0.109%Search for SEC Filing on Google Icon
4/27/2026New York State Teachers Retirement System8,651$0.63M0.0%+8.7%0.035%Search for SEC Filing on Google Icon
4/27/2026Y Intercept Hong Kong Ltd33,296$2.43M0.0%+35.3%0.134%Search for SEC Filing on Google Icon
4/25/2026Keybank National Association OH5,583$0.41M0.0%-7.0%0.022%Search for SEC Filing on Google Icon
4/24/2026Deprince Race & Zollo Inc.68,029$4.97M0.1%N/A0.273%Search for SEC Filing on Google Icon
4/24/2026James Investment Research Inc.3,015$0.22M0.0%-69.7%0.012%Search for SEC Filing on Google Icon
4/24/2026MQS Management LLC3,662$0.27M0.2%N/A0.015%Search for SEC Filing on Google Icon
4/23/2026Inspire Investing LLC7,033$0.51M0.0%+15.6%0.028%Search for SEC Filing on Google Icon
4/22/2026Pictet Asset Management Holding SA4,708$0.34M0.0%+16.2%0.019%Search for SEC Filing on Google Icon
4/22/2026Sterling Capital Management LLC789$58K0.0%-42.3%0.003%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Innospec logo
Innospec Inc. develops, manufactures, blends, markets, and supplies specialty chemicals in the United States, rest of North America, the United Kingdom, rest of Europe, and internationally. The company's Fuel Specialties segment offers a range of specialty chemical products that are used as additives in additives in diesel, jet, marine, fuel oil and other fuels. This segment's products are used in the operation of commercial trucking, marine and aviation engines, power station generators, heating oil, and other industrial machinery applications. Its Performance Chemicals segment provides technology-based solutions for its customers' processes or products that focuses on the personal care, home care, agrochemical, construction, mining, and other industrial markets. The company's Oilfield Services segment develops and markets chemical solutions for drilling, completion, fracturing, stimulation, and completion operations; and products for oil and gas production. It sells its products primarily to oil and gas exploration and production companies, oil refineries, fuel manufacturers and users, personal care and home care companies, formulators of agrochemical, and other chemical and industrial companies. The company was formerly known as Octel Corp. and changed its name to Innospec Inc. in January 2006. Innospec Inc. was founded in 1938 and is headquartered in Englewood, Colorado.
Read More on Innospec

Today's Range

Now: $99.23
Low: $98.92
High: $100.72

50 Day Range

MA: $96.24
Low: $91.82
High: $101.41

52 Week Range

Now: $99.23
Low: $65.51
High: $102.00

Volume

270,998 shs

Average Volume

224,487 shs

Market Capitalization

$2.44 billion

P/E Ratio

20.15

Dividend Yield

1.85%

Beta

0.88

Who are the company insiders with the largest holdings of Innospec?

Innospec's top insider investors include:
  1. Patrick Williams (CEO)
  2. Martin Demora Hale (Director)
  3. Ian Malcolm Mcrobbie (VP)
  4. Philip John Boon (VP)
  5. Brian Watt (VP)
  6. Ian Cleminson (CFO)
  7. Catherine Hessner (VP)
  8. Hugh Aldous (Director)
  9. David Earl Williams (Insider)
  10. David B Jones (SVP)
Learn More about top insider investors at Innospec.

Who are the major institutional investors of Innospec?

Innospec's top institutional shareholders include:
  1. Assenagon Asset Management S.A. — 1.30%
  2. ProShare Advisors LLC — 0.48%
  3. Leeward Investments LLC MA — 0.48%
  4. ZWJ Investment Counsel Inc. — 0.47%
  5. CenterBook Partners LP — 0.04%
  6. Vise Technologies Inc. — 0.03%
Learn More about top institutional investors of Innospec stock.

Which institutional investors are selling Innospec stock?

Within the last quarter, IOSP stock was sold by these institutional investors:
  1. Leeward Investments LLC MA
  2. State of Alaska Department of Revenue
  3. Inspire Investing LLC
  4. Yousif Capital Management LLC
  5. Ethic Inc.
  6. Oregon Public Employees Retirement Fund
During the last year, company insiders that have sold Innospec company stock include:
  1. David B Jones (SVP)
  2. Milton C Blackmore (Director)
  3. Larry Padfield (Director)
  4. David Landless (Director)
  5. Claudia Poccia (Director)
Learn More investors selling Innospec stock.

Which institutional investors are buying Innospec stock?

Within the last quarter, IOSP stock was purchased by institutional investors including:
  1. Assenagon Asset Management S.A.
  2. ProShare Advisors LLC
  3. CenterBook Partners LP
  4. ZWJ Investment Counsel Inc.
  5. Vise Technologies Inc.
  6. Choreo LLC
  7. Grandfield & Dodd LLC
  8. Nisa Investment Advisors LLC

Innospec Active Insiders

Patrick Williams
Patrick Williams (Age 61)
President, CEO & Director
Ian Cleminson
Ian Cleminson (Age 60)
CFO
Milton C Blackmore
Milton C Blackmore
Director
Larry Padfield
Director
Leslie J Parrette
Director
David Landless
David Landless
Director
David B Jones
David B Jones (Age 56)
SVP
Hardy Louis Griffin III
SVP
Corbin Barnes
Corbin Barnes
SVP
Brian Watt
Brian Watt (Age 67)
VP
Ian Malcolm Mcrobbie
VP
Philip John Boon
Philip John Boon (Age 67)
VP