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KOP Insider Trading

Insider Ownership Percentage: 7.28%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $5,214,736.64

Koppers Insider Trading History Chart

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

Skip ChartChart Data in Insider Trading History Table

Koppers Share Price & Price History

Current Price: $31.79
Price Change: ▲ Price Increase of +0.532 (1.70%)
As of 11/12/2026 03:59 PM ET

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

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

Koppers Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
8/31/2026Leroy M. BallCEOSell4,000$45.96$183,840.00429,555View SEC Filing Icon  
8/19/2026Leroy M. BallCEOSell3,000$45.84$137,520.00433,555View SEC Filing Icon  
8/12/2026Stephen G. LucasSVPSell1,308$44.55$58,271.4034,345View SEC Filing Icon  
8/11/2026James A SullivanInsiderSell7,500$50.00$375,000.0082,898View SEC Filing Icon  
8/10/2026Bradley A PearceCAOSell2,000$51.01$102,020.0041,037View SEC Filing Icon  
8/7/2026James A SullivanInsiderSell80,000$50.01$4,000,800.0090,398View SEC Filing Icon  
6/18/2026Leroy M. BallCEOSell3,412$43.90$149,786.80436,243View SEC Filing Icon  
5/13/2026Leroy M. BallCEOSell2,659$42.55$113,140.45444,096View SEC Filing Icon  
3/17/2026Leroy M. BallCEOSell2,489$37.91$94,357.99447,459View SEC Filing Icon  
11/19/2024Leroy M. BallCEOSell6,000$37.26$223,560.00314,325View SEC Filing Icon  
11/19/2024Stephen R TritchDirectorSell3,533$37.08$131,003.6447,737View SEC Filing Icon  
11/12/2024Leroy M. BallCEOSell5,000$37.92$189,600.00315,129View SEC Filing Icon  
8/19/2024Joseph P DowdVPSell5,516$37.72$208,063.5210,300View SEC Filing Icon  
6/7/2024Leroy M. BallCEOSell2,500$42.45$106,125.00321,008View SEC Filing Icon  
5/28/2024Leroy M. BallCEOSell2,500$42.36$105,900.00321,008View SEC Filing Icon  
5/24/2024Leroy M. BallCEOSell2,500$43.13$107,825.00321,008View SEC Filing Icon  
3/21/2024Leslie S HydeSVPSell22,403$53.91$1,207,745.7355,658View SEC Filing Icon  
3/4/2024James A SullivanCOOSell700$54.01$37,807.00111,192View SEC Filing Icon  
3/4/2024Joseph P DowdVPSell3,488$53.61$186,991.6836,969View SEC Filing Icon  
3/4/2024Leroy M. BallCEOSell5,000$53.51$267,550.00323,080View SEC Filing Icon  
12/20/2023Bradley A PearceCAOSell1,000$49.82$49,820.0028,128View SEC Filing Icon  
12/20/2023Leroy M. BallCEOSell7,000$49.27$344,890.00296,421View SEC Filing Icon  
12/13/2023James A SullivanCOOSell21,866$44.22$966,914.5294,786View SEC Filing Icon  
12/11/2023James A SullivanCOOSell3,781$44.09$166,704.2994,786View SEC Filing Icon  
12/7/2023James A SullivanCOOSell14,542$44.43$646,101.0694,786View SEC Filing Icon  
12/1/2023Leroy M. BallCEOSell13,102$44.60$584,349.20296,421View SEC Filing Icon  
11/30/2023Leslie S HydeSVPSell16,936$45.11$763,982.9650,386View SEC Filing Icon  
11/17/2023Joseph P DowdVPSell5,250$42.46$222,915.0037,742View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Koppers (NYSE:KOP)

92.75% of Koppers 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 KOP by year and by quarter.

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

Koppers Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/12/2026State Street Corp805,914$36.74M0.0%+0.2%4.287%Search for SEC Filing on Google Icon
11/10/2026Voya Investment Management LLC26,989$1.23M0.0%-12.6%0.143%Search for SEC Filing on Google Icon
11/10/2026Public Sector Pension Investment Board100,103$4.41M0.0%+51.5%0.529%Search for SEC Filing on Google Icon
11/6/2026Russell Investments Group Ltd.78,529$3.58M0.0%-39.5%0.415%Search for SEC Filing on Google Icon
11/6/2026Fifth Third Bancorp14,772$0.67M0.0%-2.7%0.078%Search for SEC Filing on Google Icon
11/5/2026Illinois Municipal Retirement Fund9,887$0.45M0.0%-3.7%0.052%Search for SEC Filing on Google Icon
11/4/2026Simplex Trading LLC1,982$90K0.0%N/A0.010%Search for SEC Filing on Google Icon
11/4/2026Allspring Global Investments Holdings LLC14,738$0.67M0.0%+4.2%0.078%Search for SEC Filing on Google Icon
11/2/2026Kestra Advisory Services LLC4,510$0.21M0.0%-8.5%0.024%Search for SEC Filing on Google Icon
11/2/2026Villanova Investment Management Co36,559$1.67M1.7%-34.5%0.193%Search for SEC Filing on Google Icon
10/30/2026Pzena Investment Management LLC926,505$42.24M0.1%-12.7%4.900%Search for SEC Filing on Google Icon
10/29/2026Mirae Asset Global Investments Co. Ltd.1,232$56K0.0%N/A0.007%Search for SEC Filing on Google Icon
10/29/2026State of Wyoming6,097$0.28M0.0%-28.7%0.032%Search for SEC Filing on Google Icon
10/28/2026VIRGINIA RETIREMENT SYSTEMS ET Al10,600$0.48M0.0%+7.1%0.056%Search for SEC Filing on Google Icon
10/23/2026Sterling Capital Management LLC6,666$0.30M0.0%+1,711.4%0.035%Search for SEC Filing on Google Icon
10/21/2026Nisa Investment Advisors LLC2,037$93K0.0%+102.5%0.011%Search for SEC Filing on Google Icon
10/17/2026SummerHaven Investment Management LLC21,968$1M0.7%N/A0.116%Search for SEC Filing on Google Icon
10/15/2026State of Alaska Department of Revenue3,845$0.17M0.0%-46.3%0.020%Search for SEC Filing on Google Icon
9/22/2026State Street Corp804,553$36.12M0.0%+7.0%4.255%Search for SEC Filing on Google Icon
9/9/2026The Manufacturers Life Insurance Company4,812$0.22M0.0%-7.1%0.025%Search for SEC Filing on Google Icon
9/9/2026Engineers Gate Manager LP11,940$0.54M0.0%-68.9%0.063%Search for SEC Filing on Google Icon
9/9/2026Squarepoint Ops LLC11,304$0.51M0.0%+103.3%0.060%Search for SEC Filing on Google Icon
9/8/2026Arizona State Retirement System5,069$0.23M0.0%-5.9%0.027%Search for SEC Filing on Google Icon
9/8/2026Nykredit A S688$31K0.0%N/A0.004%Search for SEC Filing on Google Icon
8/25/2026VIRGINIA RETIREMENT SYSTEMS ET Al9,900$0.45M0.0%N/A0.052%Search for SEC Filing on Google Icon
8/21/2026Nykredit A S688$31K0.0%N/A0.004%Search for SEC Filing on Google Icon
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC50,668$2.28M0.0%-14.0%0.268%Search for SEC Filing on Google Icon
8/19/2026Hsbc Holdings PLC11,095$0.50M0.0%+30.9%0.059%Search for SEC Filing on Google Icon
8/18/2026Empowered Funds LLC102,787$4.62M0.0%N/A0.544%Search for SEC Filing on Google Icon
8/18/2026Public Employees Retirement System of Ohio1,120$50K0.0%N/A0.006%Search for SEC Filing on Google Icon
8/17/2026Bank of America Corp DE117,916$5.29M0.0%N/A0.623%Search for SEC Filing on Google Icon
8/15/2026Jupiter Topco LLC9,208$0.41M0.0%N/A0.049%Search for SEC Filing on Google Icon
8/14/2026Hsbc Holdings PLC11,095$0.50M0.0%N/A0.059%Search for SEC Filing on Google Icon
8/14/2026PDT Partners LLC9,583$0.43M0.0%N/A0.051%Search for SEC Filing on Google Icon
8/14/2026Legal & General Group Plc39,723$1.78M0.0%N/A0.210%Search for SEC Filing on Google Icon
8/14/2026The Manufacturers Life Insurance Company4,812$0.22M0.0%N/A0.025%Search for SEC Filing on Google Icon
8/13/2026D.B. Root & Company LLC5,705$0.26M0.1%N/A0.030%Search for SEC Filing on Google Icon
8/13/2026Globeflex Capital L P27,190$1.22M0.2%N/A0.144%Search for SEC Filing on Google Icon
8/12/2026EP Wealth Advisors LLC9,810$0.44M0.0%N/A0.052%Search for SEC Filing on Google Icon
8/12/2026JB Capital Partners LP78,101$3.51M0.0%N/A0.413%Search for SEC Filing on Google Icon
8/10/2026Denali Advisors LLC96,092$4.32M0.4%+74.8%0.508%Search for SEC Filing on Google Icon
8/7/2026Pzena Investment Management LLC1,061,285$47.65M0.1%N/A5.519%Search for SEC Filing on Google Icon
8/7/2026BlackRock Inc.3,047,603$136.84M0.0%N/A15.848%Search for SEC Filing on Google Icon
8/7/2026Deutsche Bank AG17,582$0.79M0.0%N/A0.091%Search for SEC Filing on Google Icon
8/6/2026Bank of New York Mellon Corp222,570$9.99M0.0%N/A1.157%Search for SEC Filing on Google Icon
8/6/2026State of Wyoming8,550$0.38M0.0%N/A0.044%Search for SEC Filing on Google Icon
8/1/2026Mirabella Financial Services LLP4,768$0.21M0.0%N/A0.025%Search for SEC Filing on Google Icon
7/30/2026Assetmark Inc.679$30K0.0%N/A0.004%Search for SEC Filing on Google Icon
7/29/2026Swiss Life Asset Management Ltd4,942$0.22M0.0%N/A0.026%Search for SEC Filing on Google Icon
5/19/2026Bank of America Corp DE128,948$4.99M0.0%+27.0%0.671%Search for SEC Filing on Google Icon
5/18/2026Royal Bank of Canada2,485$96K0.0%-91.2%0.013%Search for SEC Filing on Google Icon
5/18/2026Empowered Funds LLC96,573$3.74M0.0%+8.3%0.502%Search for SEC Filing on Google Icon
5/16/2026The Manufacturers Life Insurance Company5,180$0.20M0.0%N/A0.027%Search for SEC Filing on Google Icon
5/16/2026Quantinno Capital Management LP19,839$0.77M0.0%+25.1%0.103%Search for SEC Filing on Google Icon
5/16/2026Lazard Asset Management LLC21,395$0.83M0.0%-72.9%0.111%Search for SEC Filing on Google Icon
5/14/2026Renaissance Technologies LLC5,500$0.21M0.0%-30.4%0.029%Search for SEC Filing on Google Icon
5/14/2026Gamco Investors INC. ET AL28,814$1.12M0.0%-6.2%0.150%Search for SEC Filing on Google Icon
5/14/2026Public Employees Retirement System of Ohio2,575$100K0.0%-65.7%0.013%Search for SEC Filing on Google Icon
5/14/2026Arrowstreet Capital Limited Partnership162,072$6.27M0.0%N/A0.843%Search for SEC Filing on Google Icon
5/14/2026Sei Investments Co.69,979$2.71M0.0%+87.5%0.364%Search for SEC Filing on Google Icon
5/14/2026State of Wyoming6,704$0.26M0.0%-52.9%0.035%Search for SEC Filing on Google Icon
5/13/2026First Trust Advisors LP64,141$2.48M0.0%+2.9%0.334%Search for SEC Filing on Google Icon
5/7/2026Dimensional Fund Advisors LP1,191,358$46.08M0.0%+1.5%6.160%Search for SEC Filing on Google Icon
5/6/2026Allspring Global Investments Holdings LLC13,694$0.53M0.0%+11.5%0.071%Search for SEC Filing on Google Icon
5/5/2026Kestrel Investment Management Corp83,450$3.23M1.9%-0.4%0.431%Search for SEC Filing on Google Icon
5/5/2026Bank of New York Mellon Corp224,256$8.67M0.0%-3.1%1.160%Search for SEC Filing on Google Icon
5/5/2026Illinois Municipal Retirement Fund10,201$0.40M0.0%-8.1%0.053%Search for SEC Filing on Google Icon
5/4/2026Principal Financial Group Inc.135,586$5.24M0.0%+16.4%0.701%Search for SEC Filing on Google Icon
5/4/2026J. Safra Sarasin Holding AG10,255$0.40M0.0%N/A0.053%Search for SEC Filing on Google Icon
5/1/2026Fifth Third Bancorp15,933$0.62M0.0%+7,175.3%0.082%Search for SEC Filing on Google Icon
4/30/2026Hsbc Holdings PLC8,477$0.32M0.0%N/A0.044%Search for SEC Filing on Google Icon
4/30/2026Waterfront Wealth Inc.41,495$1.61M0.3%-22.0%0.215%Search for SEC Filing on Google Icon
4/30/2026Kestra Advisory Services LLC5,297$0.21M0.0%+25.3%0.027%Search for SEC Filing on Google Icon
4/28/2026DGS Capital Management LLC8,343$0.32M0.1%N/A0.043%Search for SEC Filing on Google Icon
4/27/2026New York State Teachers Retirement System3,017$0.12M0.0%-90.0%0.016%Search for SEC Filing on Google Icon
4/25/2026Pzena Investment Management LLC1,209,376$46.78M0.2%+0.4%6.253%Search for SEC Filing on Google Icon
4/22/2026Skylands Capital LLC21,050$0.81M0.1%-73.9%0.109%Search for SEC Filing on Google Icon
4/22/2026Janney Montgomery Scott LLC8,992$0.35M0.0%N/A0.046%Search for SEC Filing on Google Icon
4/21/2026Louisiana State Employees Retirement System8,700$0.34M0.0%N/A0.045%Search for SEC Filing on Google Icon
4/16/2026SG Americas Securities LLC4,246$0.16M0.0%N/A0.022%Search for SEC Filing on Google Icon
3/9/2026EMC Capital Management3,080$83K0.0%-15.0%0.016%Search for SEC Filing on Google Icon
2/18/2026State of Tennessee Department of Treasury15,256$0.45M0.0%+37.0%0.078%Search for SEC Filing on Google Icon
2/18/2026Fuller & Thaler Asset Management Inc.1,013,818$27.45M0.1%-8.6%5.169%Search for SEC Filing on Google Icon
2/18/2026Empowered Funds LLC89,175$2.42M0.0%-24.1%0.455%Search for SEC Filing on Google Icon
2/18/2026XTX Topco Ltd24,255$0.66M0.0%N/A0.124%Search for SEC Filing on Google Icon
2/18/2026Numerai GP LLC17,996$0.49M0.1%N/A0.092%Search for SEC Filing on Google Icon
2/18/2026Millennium Management LLC29,559$0.80M0.0%-59.6%0.151%Search for SEC Filing on Google Icon
2/18/2026Engineers Gate Manager LP48,228$1.31M0.0%+0.7%0.246%Search for SEC Filing on Google Icon
2/18/2026Bridgeway Capital Management LLC140,128$3.80M0.1%-34.5%0.714%Search for SEC Filing on Google Icon
2/17/2026Guggenheim Capital LLC20,959$0.57M0.0%N/A0.107%Search for SEC Filing on Google Icon
2/17/2026PDT Partners LLC13,383$0.36M0.0%-50.0%0.068%Search for SEC Filing on Google Icon
2/17/2026AQR Capital Management LLC94,986$2.57M0.0%-4.5%0.484%Search for SEC Filing on Google Icon
2/17/2026Lazard Asset Management LLC79,029$2.14M0.0%+294.2%0.403%Search for SEC Filing on Google Icon
2/17/2026Trexquant Investment LP35,947$0.97M0.0%-49.7%0.183%Search for SEC Filing on Google Icon
2/17/2026Jump Financial LLC11,907$0.32M0.0%-59.3%0.061%Search for SEC Filing on Google Icon
2/17/2026Public Employees Retirement System of Ohio7,515$0.20M0.0%-21.8%0.038%Search for SEC Filing on Google Icon
2/17/2026Russell Investments Group Ltd.210,209$5.69M0.0%+16.8%1.072%Search for SEC Filing on Google Icon
2/17/2026State of Wisconsin Investment Board17,418$0.47M0.0%-57.1%0.089%Search for SEC Filing on Google Icon
2/17/2026ExodusPoint Capital Management LP42,553$1.15M0.0%+357.7%0.217%Search for SEC Filing on Google Icon
2/17/2026Royal Bank of Canada28,309$0.77M0.0%-58.9%0.144%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Koppers logo
Koppers Holdings Inc. provides treated wood products, wood preservation chemicals, and carbon compounds in the United States, Australasia, Europe, and internationally. The company operates through Railroad and Utility Products and Services (RUPS), Performance Chemicals (PC), and Carbon Materials and Chemicals (CMC) segments. The RUPS segment procures and treats crossties, switch ties, and various types of lumber used for railroad bridges and crossings. It also provides rail joint bars to join rails together for railroads; transmission and distribution poles for electric and telephone utilities; and pilings. This segment provides railroad services, such as engineering, design, repair, and inspection services for railroad bridges. The PC segment develops, manufactures, and markets copper-based wood preservatives, including micronized copper azole, micronized pigments, alkaline copper quaternary, amine copper azole, and chromated copper arsenate for decking, fencing, utility poles, construction lumber and timbers, and various agricultural uses; and supplies fire-retardant chemicals for pressure treatment of wood primarily in commercial construction. The CMC segment manufactures creosote for the treatment of wood or as a feedstock in the production of carbon black; carbon pitch, a raw material used in the production of aluminum and steel; naphthalene for use as a feedstock in the production of phthalic anhydride and as a surfactant in the production of concrete; phthalic anhydride for the production of plasticizers, polyester resins, and alkyd paints; and carbon black feedstock for use in the production of carbon black. It serves the railroad, specialty chemical, utility, residential lumber, agriculture, aluminum, steel, rubber, and construction sectors. Koppers Holdings Inc. was founded in 1988 and is based in Pittsburgh, Pennsylvania.
Read More on Koppers

Today's Range

Now: $31.79
Low: $31.20
High: $32.49

50 Day Range

MA: $43.17
Low: $29.29
High: $47.69

52 Week Range

Now: $31.79
Low: $26.52
High: $53.00

Volume

249,877 shs

Average Volume

186,315 shs

Market Capitalization

$597.69 million

P/E Ratio

N/A

Dividend Yield

1.22%

Beta

1.23

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

Koppers' top insider shareholders include:
  1. M Leroy Ball (CEO)
  2. Walter Turner (CEO)
  3. R Michael Johnson (VP)
  4. M Leroy Ball (Insider)
  5. James A Sullivan (COO)
  6. James A Sullivan (Insider)
  7. Mark R Mccormack (VP)
  8. Steven R Lacy (Insider)
  9. Steven R Lacy (VP)
  10. Leslie S Hyde (SVP)
Learn More about top insider investors at Koppers.

Who are the major institutional investors of Koppers?

Koppers' top institutional shareholders include:
  1. Pzena Investment Management LLC — 4.90%
  2. State Street Corp — 4.29%
  3. Public Sector Pension Investment Board — 0.53%
  4. Russell Investments Group Ltd. — 0.42%
  5. Villanova Investment Management Co — 0.19%
  6. Voya Investment Management LLC — 0.14%
Learn More about top institutional investors of Koppers stock.

Which major investors are selling Koppers stock?

Within the previous quarter, KOP stock was sold by these institutional investors:
  1. Pzena Investment Management LLC
  2. Russell Investments Group Ltd.
  3. Villanova Investment Management Co
  4. Voya Investment Management LLC
  5. State of Alaska Department of Revenue
  6. State of Wyoming
  7. Kestra Advisory Services LLC
  8. Fifth Third Bancorp
During the last year, company insiders that have sold Koppers company stock include:
  1. M Leroy Ball (CEO)
  2. James A Sullivan (Insider)
  3. Bradley A Pearce (CAO)
  4. Stephen G Lucas (SVP)
Learn More investors selling Koppers stock.

Which major investors are buying Koppers stock?

Within the previous quarter, KOP stock was bought by institutional investors including:
  1. Public Sector Pension Investment Board
  2. SummerHaven Investment Management LLC
  3. Sterling Capital Management LLC
  4. Simplex Trading LLC
  5. State Street Corp
  6. Mirae Asset Global Investments Co. Ltd.
  7. Nisa Investment Advisors LLC
  8. VIRGINIA RETIREMENT SYSTEMS ET Al

Koppers Active Insiders

M Leroy Ball
M Leroy Ball
Chief Executive Officer + Board Chairman
4 recent trades
Stephen G Lucas
Stephen G Lucas
Senior Vice President, Culture and Engagement
1 recent trades
James A Sullivan
James A Sullivan (Age 62)
COO
2 recent trades
Bradley A Pearce
Bradley A Pearce (Age 59)
CAO
1 recent trades
Leslie S Hyde
Leslie S Hyde
SVP
Joseph P Dowd
Joseph P Dowd
VP