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IOSP Insider Trading

Insider Ownership Percentage: 1.31%
Insider Buying (Last 12 Months): $25,190.60
Insider Selling (Last 12 Months): $835,274.26

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: $74.01
Price Change: ▼ Price Decrease of -0.84 (-1.12%)
As of 12/4/2025 05:00 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
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  
5/22/2023Claudia PocciaDirectorSell739$99.20$73,308.80600View SEC Filing Icon  
5/10/2023Leslie J. ParretteDirectorBuy515$96.75$49,826.253,210View SEC Filing Icon  
3/17/2023Corbin BarnesSVPBuy400$99.75$39,900.001,847View SEC Filing Icon  
3/7/2023Corbin BarnesSVPBuy1,250$106.00$132,500.001,447View SEC Filing Icon  
3/7/2023Philip John BoonVPSell6,491$105.62$685,579.4218,748View SEC Filing Icon  
3/6/2023Ian CleminsonCFOSell6,079$105.23$639,693.1721,268View SEC Filing Icon  
3/3/2023Leslie J. ParretteDirectorBuy450$111.35$50,107.501,044View SEC Filing Icon  
3/3/2023Patrick WilliamsCEOSell11,439$109.18$1,248,910.02138,458View SEC Filing Icon  
3/2/2023David B. JonesSVPBuy459$108.98$50,021.826,534View SEC Filing Icon  
3/1/2023Patrick WilliamsCEOSell9,143$109.70$1,002,987.10157,370View SEC Filing Icon  
2/27/2023Patrick WilliamsCEOSell9,146$111.20$1,017,035.20174,333View SEC Filing Icon  
2/24/2023Patrick WilliamsCEOSell9,146$108.50$992,341.00183,479View SEC Filing Icon  
12/5/2022David B. JonesSVPBuy752$107.99$81,208.481,530View 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
12/2/2025Allworth Financial LP588$45K0.0%+31.0%0.002%Search for SEC Filing on Google Icon
11/25/2025Connors Investor Services Inc.33,673$2.60M0.2%+56.1%0.136%Search for SEC Filing on Google Icon
11/21/2025CIBC Bancorp USA Inc.2,679$0.21M0.0%N/A0.011%Search for SEC Filing on Google Icon
11/19/2025Danske Bank A S600$46K0.0%N/A0.002%Search for SEC Filing on Google Icon
11/17/2025Jacobs Levy Equity Management Inc.13,089$1.01M0.0%-40.7%0.053%Search for SEC Filing on Google Icon
11/17/2025NewEdge Advisors LLC5,363$0.41M0.0%+19.1%0.022%Search for SEC Filing on Google Icon
11/17/2025CANADA LIFE ASSURANCE Co29,631$2.28M0.0%+1.2%0.120%Search for SEC Filing on Google Icon
11/17/2025PDT Partners LLC42,876$3.31M0.2%+218.9%0.173%Search for SEC Filing on Google Icon
11/17/2025Dark Forest Capital Management LP33,798$2.61M0.1%+15.8%0.136%Search for SEC Filing on Google Icon
11/17/2025Voloridge Investment Management LLC126,086$9.73M0.0%-21.3%0.509%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC42,515$3.28M0.0%+30.3%0.172%Search for SEC Filing on Google Icon
11/17/2025Polymer Capital Management US LLC4,910$0.38M0.0%+46.2%0.020%Search for SEC Filing on Google Icon
11/17/2025Qube Research & Technologies Ltd354,012$27.32M0.0%+15.4%1.429%Search for SEC Filing on Google Icon
11/17/2025Public Employees Retirement System of Ohio17,334$1.34M0.0%+15.9%0.070%Search for SEC Filing on Google Icon
11/17/2025Numerai GP LLC81,541$6.29M0.9%+29.7%0.329%Search for SEC Filing on Google Icon
11/17/2025Mariner LLC5,562$0.43M0.0%N/A0.022%Search for SEC Filing on Google Icon
11/17/2025Mercer Global Advisors Inc. ADV6,309$0.49M0.0%N/A0.025%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC481,488$37.15M0.0%+37.6%1.943%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.11,674$0.90M0.0%-15.2%0.047%Search for SEC Filing on Google Icon
11/17/2025Holocene Advisors LP24,530$1.89M0.0%+26.2%0.099%Search for SEC Filing on Google Icon
11/17/2025Citadel Advisors LLC83,389$6.43M0.0%-11.8%0.337%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP18,184$1.40M0.0%+100.9%0.073%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE375,331$28.96M0.0%+27.0%1.515%Search for SEC Filing on Google Icon
11/17/2025Aquatic Capital Management LLC8,758$0.68M0.0%-32.8%0.035%Search for SEC Filing on Google Icon
11/17/2025Algert Global LLC34,728$2.68M0.0%+13.7%0.140%Search for SEC Filing on Google Icon
11/17/2025Ameriprise Financial Inc.60,015$4.63M0.0%-29.6%0.242%Search for SEC Filing on Google Icon
11/14/2025Schonfeld Strategic Advisors LLC25,264$1.95M0.0%-14.2%0.102%Search for SEC Filing on Google Icon
11/14/2025Creative Planning13,631$1.05M0.0%+239.5%0.055%Search for SEC Filing on Google Icon
11/14/2025Amundi4,490$0.35M0.0%+5.0%0.018%Search for SEC Filing on Google Icon
11/14/2025Man Group plc4,918$0.38M0.0%+8.2%0.020%Search for SEC Filing on Google Icon
11/14/2025Hotchkis & Wiley Capital Management LLC111,506$8.60M0.0%+58.8%0.450%Search for SEC Filing on Google Icon
11/14/2025Occudo Quantitative Strategies LP16,274$1.26M0.2%-14.8%0.066%Search for SEC Filing on Google Icon
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC77,358$5.97M0.0%-38.2%0.312%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP148,205$11.44M0.0%+7.2%0.598%Search for SEC Filing on Google Icon
11/14/2025Squarepoint Ops LLC12,216$0.94M0.0%+58.1%0.049%Search for SEC Filing on Google Icon
11/14/2025Comerica Bank11,838$0.91M0.0%-2.1%0.048%Search for SEC Filing on Google Icon
11/13/2025Jump Financial LLC27,889$2.15M0.0%+127.5%0.113%Search for SEC Filing on Google Icon
11/13/2025Entropy Technologies LP9,179$0.71M0.1%-11.6%0.037%Search for SEC Filing on Google Icon
11/13/2025Huber Capital Management LLC22,548$1.74M0.3%+11.9%0.091%Search for SEC Filing on Google Icon
11/13/2025Medina Value Partners LLC235,956$18.21M4.3%N/A0.952%Search for SEC Filing on Google Icon
11/13/2025Invesco Ltd.80,845$6.24M0.0%-63.9%0.326%Search for SEC Filing on Google Icon
11/13/2025Sei Investments Co.66,521$5.13M0.0%+19.9%0.268%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG165,047$12.74M0.0%+55.3%0.666%Search for SEC Filing on Google Icon
11/13/2025Capital Fund Management S.A.12,583$0.97M0.0%N/A0.051%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets52,033$4.02M0.0%+160.4%0.210%Search for SEC Filing on Google Icon
11/13/2025Mackenzie Financial Corp3,156$0.24M0.0%-11.3%0.013%Search for SEC Filing on Google Icon
11/13/2025Franklin Resources Inc.27,868$2.15M0.0%+0.7%0.112%Search for SEC Filing on Google Icon
11/13/2025Legal & General Group Plc65,187$5.03M0.0%-6.4%0.263%Search for SEC Filing on Google Icon
11/13/2025Vestcor Inc813$63K0.0%-62.0%0.003%Search for SEC Filing on Google Icon
11/13/2025Swiss National Bank48,403$3.74M0.0%+0.8%0.195%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.7,114$0.55M0.0%+33.0%0.029%Search for SEC Filing on Google Icon
11/13/2025Inceptionr LLC3,275$0.25M0.1%N/A0.013%Search for SEC Filing on Google Icon
11/13/2025Dynamic Technology Lab Private Ltd2,640$0.20M0.0%-84.3%0.011%Search for SEC Filing on Google Icon
11/13/2025CM Management LLC12,000$0.93M0.8%+20.0%0.048%Search for SEC Filing on Google Icon
11/13/2025First Trust Advisors LP640,562$49.43M0.0%-20.2%2.585%Search for SEC Filing on Google Icon
11/12/2025Barclays PLC46,341$3.58M0.0%-10.0%0.187%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP1,166,975$90.04M0.0%-0.2%4.710%Search for SEC Filing on Google Icon
11/12/2025Teachers Retirement System of The State of Kentucky7,082$0.55M0.0%-3.5%0.029%Search for SEC Filing on Google Icon
11/12/2025Victory Capital Management Inc.835,895$64.50M0.0%-12.8%3.374%Search for SEC Filing on Google Icon
11/12/2025Bahl & Gaynor Inc.27,306$2.11M0.0%+2.8%0.110%Search for SEC Filing on Google Icon
11/12/2025Royce & Associates LP492,614$38.01M0.4%-21.5%1.988%Search for SEC Filing on Google Icon
11/12/2025Quantbot Technologies LP16,971$1.31M0.0%-45.3%0.068%Search for SEC Filing on Google Icon
11/12/2025Western Standard LLC27,000$2.08M0.6%N/A0.109%Search for SEC Filing on Google Icon
11/12/2025R Squared Ltd5,841$0.45M0.2%+6.0%0.024%Search for SEC Filing on Google Icon
11/12/2025Intech Investment Management LLC21,533$1.66M0.0%+2.7%0.087%Search for SEC Filing on Google Icon
11/12/2025US Bancorp DE371$29K0.0%-91.9%0.001%Search for SEC Filing on Google Icon
11/10/2025Ameritas Investment Partners Inc.2,099$0.16M0.0%-19.5%0.008%Search for SEC Filing on Google Icon
11/10/2025Semanteon Capital Management LP7,324$0.57M0.7%N/A0.030%Search for SEC Filing on Google Icon
11/10/2025Tredje AP fonden5,478$0.42M0.0%-63.6%0.022%Search for SEC Filing on Google Icon
11/7/2025GSA Capital Partners LLP28,274$2.18M0.2%+46.5%0.114%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.3,143,422$242.55M0.0%-0.6%12.658%Search for SEC Filing on Google Icon
11/7/2025JPMorgan Chase & Co.320,982$24.77M0.0%-0.1%1.293%Search for SEC Filing on Google Icon
11/7/2025State of New Jersey Common Pension Fund D25,325$1.95M0.0%+15.8%0.102%Search for SEC Filing on Google Icon
11/7/2025Shell Asset Management Co.425$33K0.0%-63.7%0.002%Search for SEC Filing on Google Icon
11/6/2025Public Sector Pension Investment Board96,866$7.47M0.0%+14.0%0.390%Search for SEC Filing on Google Icon
11/6/2025Illinois Municipal Retirement Fund13,785$1.06M0.0%+6.7%0.056%Search for SEC Filing on Google Icon
11/6/2025Rhumbline Advisers72,488$5.59M0.0%-11.0%0.292%Search for SEC Filing on Google Icon
11/6/2025MQS Management LLC2,954$0.23M0.1%-31.5%0.012%Search for SEC Filing on Google Icon
11/6/2025ProShare Advisors LLC77,261$5.96M0.0%+2.9%0.311%Search for SEC Filing on Google Icon
11/5/2025Smartleaf Asset Management LLC1,317$0.10M0.0%+75.4%0.005%Search for SEC Filing on Google Icon
11/5/2025Envestnet Asset Management Inc.13,542$1.05M0.0%-21.5%0.055%Search for SEC Filing on Google Icon
11/4/2025Principal Financial Group Inc.119,935$9.25M0.0%-12.6%0.483%Search for SEC Filing on Google Icon
11/4/2025Thrivent Financial for Lutherans17,915$1.38M0.0%-49.9%0.072%Search for SEC Filing on Google Icon
11/4/2025Keybank National Association OH4,615$0.36M0.0%-5.8%0.019%Search for SEC Filing on Google Icon
11/3/2025AlphaQuest LLC45,174$3.49M0.2%+56.8%0.182%Search for SEC Filing on Google Icon
10/31/2025James Investment Research Inc.9,949$0.77M0.1%+19.4%0.040%Search for SEC Filing on Google Icon
10/31/2025Mutual of America Capital Management LLC75,695$5.84M0.1%-2.0%0.305%Search for SEC Filing on Google Icon
10/31/2025Y Intercept Hong Kong Ltd30,152$2.33M0.1%-26.9%0.121%Search for SEC Filing on Google Icon
10/30/2025Teacher Retirement System of Texas62,398$4.82M0.0%+4.0%0.251%Search for SEC Filing on Google Icon
10/30/2025Bailard Inc.4,200$0.32M0.0%N/A0.017%Search for SEC Filing on Google Icon
10/30/2025Vest Financial LLC11,210$0.87M0.0%-38.6%0.045%Search for SEC Filing on Google Icon
10/29/2025Wealth Enhancement Advisory Services LLC7,331$0.57M0.0%+88.3%0.030%Search for SEC Filing on Google Icon
10/29/2025Maryland State Retirement & Pension System3,570$0.28M0.0%-50.9%0.014%Search for SEC Filing on Google Icon
10/27/2025Versant Capital Management Inc545$42K0.0%+378.1%0.002%Search for SEC Filing on Google Icon
10/24/2025Meeder Asset Management Inc.6,238$0.48M0.0%+93.4%0.025%Search for SEC Filing on Google Icon
10/24/2025New York State Teachers Retirement System7,962$0.61M0.0%-31.3%0.032%Search for SEC Filing on Google Icon
10/24/2025State of Alaska Department of Revenue13,627$1.05M0.0%-8.2%0.055%Search for SEC Filing on Google Icon
10/23/2025Nisa Investment Advisors LLC1,917$0.15M0.0%+8.8%0.008%Search for SEC Filing on Google Icon
10/23/2025SG Americas Securities LLC19,389$1.50M0.0%-61.9%0.078%Search for SEC Filing on Google Icon
10/23/2025Moran Wealth Management LLC44,357$3.42M0.1%+4.1%0.179%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: $74.01
Low: $73.72
High: $74.93

50 Day Range

MA: $74.79
Low: $70.62
High: $78.81

52 Week Range

Now: $74.01
Low: $70.10
High: $120.00

Volume

116,106 shs

Average Volume

261,746 shs

Market Capitalization

$1.83 billion

P/E Ratio

N/A

Dividend Yield

2.32%

Beta

0.93

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

Innospec's top insider investors include:
  1. Patrick Williams (CEO)
  2. Ian Cleminson (CFO)
  3. Philip John Boon (VP)
  4. David B Jones (SVP)
  5. Milton C Blackmore (Director)
  6. Corbin Barnes (SVP)
  7. Leslie J Parrette (Director)
  8. Hardy Louis Griffin III (SVP)
Learn More about top insider investors at Innospec.

Who are the major institutional investors of Innospec?

Innospec's top institutional shareholders include:
  1. Vanguard Group Inc. — 12.66%
  2. Allspring Global Investments Holdings LLC — 9.63%
  3. Dimensional Fund Advisors LP — 4.71%
  4. Victory Capital Management Inc. — 3.37%
  5. First Trust Advisors LP — 2.59%
  6. Royce & Associates LP — 1.99%
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. First Trust Advisors LP
  2. Invesco Ltd.
  3. Royce & Associates LP
  4. Victory Capital Management Inc.
  5. Voya Investment Management LLC
  6. Allspring Global Investments Holdings LLC
  7. UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC
  8. Voloridge Investment Management LLC
During the last year, company insiders that have sold Innospec company stock include:
  1. Patrick Williams (CEO)
  2. Ian Cleminson (CFO)
  3. Philip John Boon (VP)
  4. David B Jones (SVP)
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. Medina Value Partners LLC
  2. Millennium Management LLC
  3. Assenagon Asset Management S.A.
  4. Bank of America Corp DE
  5. UBS Group AG
  6. Qube Research & Technologies Ltd
  7. Hotchkis & Wiley Capital Management LLC
  8. BNP Paribas Financial Markets