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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: $82.73
Price Change: +0.30 (1.20%)
As of 06/18/2026 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
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 Company 11,203$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
4/21/2026Louisiana State Employees Retirement System11,000$0.80M0.0%N/A0.044%Search for SEC Filing on Google Icon
4/20/2026Assenagon Asset Management S.A.490,884$35.84M0.1%+175.5%1.972%Search for SEC Filing on Google Icon
4/18/2026Leeward Investments LLC MA69,810$5.10M0.3%-2.6%0.280%Search for SEC Filing on Google Icon
4/16/2026SG Americas Securities LLC60,868$4.45M0.0%-19.7%0.245%Search for SEC Filing on Google Icon
4/16/2026Diversified Trust Co5,378$0.39M0.0%+40.7%0.022%Search for SEC Filing on Google Icon
3/20/2026Hsbc Holdings PLC14,847$1.14M0.0%-1.2%0.060%Search for SEC Filing on Google Icon
3/17/2026Rockefeller Capital Management L.P.728$56K0.0%+125.4%0.003%Search for SEC Filing on Google Icon
3/3/2026Caitong International Asset Management Co. Ltd662$51K0.0%+316.4%0.003%Search for SEC Filing on Google Icon
2/19/2026Invesco Ltd.104,639$8.01M0.0%+29.4%0.422%Search for SEC Filing on Google Icon
2/18/2026Mercer Global Advisors Inc. ADV7,535$0.58M0.0%+19.4%0.030%Search for SEC Filing on Google Icon
2/18/2026Vident Advisory LLC8,503$0.65M0.0%N/A0.034%Search for SEC Filing on Google Icon
2/18/2026State of Tennessee Department of Treasury10,163$0.83M0.0%-30.2%0.041%Search for SEC Filing on Google Icon
2/18/2026Mackenzie Financial Corp2,960$0.23M0.0%-6.2%0.012%Search for SEC Filing on Google Icon
2/18/2026NewEdge Advisors LLC6,511$0.50M0.0%+21.4%0.026%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd9,737$0.75M0.0%N/A0.039%Search for SEC Filing on Google Icon
2/18/2026Voloridge Investment Management LLC138,401$10.59M0.0%+9.8%0.559%Search for SEC Filing on Google Icon
2/18/2026Polymer Capital Management US LLC3,458$0.27M0.0%-29.6%0.014%Search for SEC Filing on Google Icon
2/18/2026Quadrature Capital Ltd5,955$0.46M0.0%N/A0.024%Search for SEC Filing on Google Icon
2/18/2026Numerai GP LLC98,269$7.52M0.9%+20.5%0.397%Search for SEC Filing on Google Icon
2/18/2026Oxford Asset Management LLP3,632$0.28M0.1%-30.6%0.015%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC533,312$40.82M0.0%+10.8%2.152%Search for SEC Filing on Google Icon
2/18/2026Man Group plc5,717$0.44M0.0%+16.2%0.023%Search for SEC Filing on Google Icon
2/18/2026Inspire Investing LLC6,086$0.47M0.0%+3.6%0.025%Search for SEC Filing on Google Icon
2/18/2026Janus Henderson Group PLC150,851$11.55M0.0%-41.6%0.609%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP49,862$3.82M0.0%+22.5%0.201%Search for SEC Filing on Google Icon
2/17/2026Freestone Grove Partners LP13,475$1.03M0.0%+45.3%0.054%Search for SEC Filing on Google Icon
2/17/2026Schonfeld Strategic Advisors LLC17,677$1.35M0.0%-30.0%0.071%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC268,151$20.52M0.0%+48.0%1.082%Search for SEC Filing on Google Icon
2/17/2026Cetera Investment Advisers4,859$0.37M0.0%N/A0.020%Search for SEC Filing on Google Icon
2/17/2026Jain Global LLC22,159$1.70M0.0%N/A0.089%Search for SEC Filing on Google Icon
2/17/2026Trexquant Investment LP46,073$3.53M0.0%+79.5%0.186%Search for SEC Filing on Google Icon
2/17/2026Amundi5,189$0.40M0.0%+15.6%0.021%Search for SEC Filing on Google Icon
2/17/2026Jump Financial LLC22,300$1.71M0.0%-20.0%0.090%Search for SEC Filing on Google Icon
2/17/2026Price T Rowe Associates Inc. MD28,383$2.17M0.0%+21.5%0.115%Search for SEC Filing on Google Icon
2/17/2026Public Employees Retirement System of Ohio20,136$1.54M0.0%+16.2%0.081%Search for SEC Filing on Google Icon
2/17/2026California State Teachers Retirement System23,800$1.82M0.0%+3.2%0.096%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.11,628$0.89M0.0%+63.5%0.047%Search for SEC Filing on Google Icon
2/17/2026Atom Investors LP22,830$1.75M0.1%+566.6%0.092%Search for SEC Filing on Google Icon
2/17/2026Captrust Financial Advisors3,360$0.26M0.0%+13.7%0.014%Search for SEC Filing on Google Icon
2/17/2026ExodusPoint Capital Management LP17,622$1.35M0.0%-63.7%0.071%Search for SEC Filing on Google Icon
2/17/2026Royal Bank of Canada4,176$0.32M0.0%-9.3%0.017%Search for SEC Filing on Google Icon
2/16/2026Verition Fund Management LLC26,664$2.04M0.0%-37.3%0.108%Search for SEC Filing on Google Icon
2/16/2026Panagora Asset Management Inc.82,098$6.28M0.0%+3.3%0.331%Search for SEC Filing on Google Icon
2/16/2026Mariner LLC15,683$1.21M0.0%+182.0%0.063%Search for SEC Filing on Google Icon
2/16/2026Medina Value Partners LLC378,769$28.99M6.8%+60.5%1.529%Search for SEC Filing on Google Icon
2/16/2026Healthcare of Ontario Pension Plan Trust Fund68,049$5.21M0.0%+74.6%0.275%Search for SEC Filing on Google Icon
2/16/2026Entropy Technologies LP14,979$1.15M0.1%+63.2%0.060%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC45,848$3.51M0.0%-1.1%0.185%Search for SEC Filing on Google Icon
2/16/2026Brown Advisory Inc.305,977$23.42M0.0%-12.6%1.235%Search for SEC Filing on Google Icon
2/16/2026Aigen Investment Management LP2,980$0.23M0.1%-55.8%0.012%Search for SEC Filing on Google Icon
2/13/2026Marshall Wace LLP9,228$0.71M0.0%N/A0.037%Search for SEC Filing on Google Icon
2/13/2026The Manufacturers Life Insurance Company 11,594$0.89M0.0%-6.3%0.047%Search for SEC Filing on Google Icon
2/13/2026CANADA LIFE ASSURANCE Co21,279$1.63M0.0%-28.2%0.086%Search for SEC Filing on Google Icon
2/13/2026Walleye Capital LLC103,935$7.96M0.0%-31.1%0.419%Search for SEC Filing on Google Icon
2/13/2026Gendell Jeffrey L285,351$21.84M0.4%+63.1%1.152%Search for SEC Filing on Google Icon
2/13/2026Smartleaf Asset Management LLC1,665$0.13M0.0%+26.4%0.007%Search for SEC Filing on Google Icon
2/13/2026Public Sector Pension Investment Board85,714$6.56M0.0%-11.5%0.346%Search for SEC Filing on Google Icon
2/13/2026First Trust Advisors LP12,276$0.94M0.0%-98.1%0.050%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: $82.73
Low: $82.28
High: $83.84

50 Day Range

MA: $79.44
Low: $74.66
High: $86.59

52 Week Range

Now: $82.73
Low: $65.51
High: $92.14

Volume

323,429 shs

Average Volume

183,189 shs

Market Capitalization

$2.04 billion

P/E Ratio

18.02

Dividend Yield

2.22%

Beta

0.92

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. Allspring Global Investments Holdings LLC — 9.30%
  2. Dimensional Fund Advisors LP — 4.99%
  3. Assenagon Asset Management S.A. — 1.97%
  4. Bank of America Corp DE — 1.18%
  5. Sei Investments Co. — 0.71%
  6. First Wilshire Securities Management Inc. — 0.59%
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. Allspring Global Investments Holdings LLC
  2. Bank of America Corp DE
  3. Public Employees Retirement System of Ohio
  4. Janus Henderson Group PLC
  5. Moran Wealth Management LLC
  6. SG Americas Securities LLC
  7. Edgestream Partners L.P.
  8. James Investment Research Inc.
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. Sei Investments Co.
  3. Deprince Race & Zollo Inc.
  4. Dimensional Fund Advisors LP
  5. First Wilshire Securities Management Inc.
  6. Summit Global Investments
  7. Arrowstreet Capital Limited Partnership
  8. Fifth Third Bancorp

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
2 recent trades
Larry Padfield
Director
2 recent trades
Leslie J Parrette
Director
David Landless
David Landless
Director
1 recent trades
David B Jones
David B Jones (Age 56)
SVP
1 recent trades
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