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KOP Insider Trading

Insider Ownership Percentage: 7.28%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $207,498.44

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: $40.79
Price Change: ▼ Price Decrease of -1.62 (-3.82%)
As of 05/15/2026 11:46 AM 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
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  
9/18/2023Leslie S HydeSVPSell10,452$40.48$423,096.9650,386View SEC Filing Icon  
9/1/2023Leslie S HydeSVPSell2,351$40.00$94,040.0050,386View SEC Filing Icon  
8/30/2023Leroy M. BallCEOSell2,000$38.59$77,180.00298,921View SEC Filing Icon  
8/7/2023Bradley A PearceCAOSell2,998$38.45$115,273.1029,128View SEC Filing Icon  
8/1/2023Leslie S HydeSVPSell4,096$38.56$157,941.7650,386View SEC Filing Icon  
6/6/2023Joseph P DowdVPSell15,265$31.42$479,626.3037,688View 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
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
2/17/2026Mangrove Partners IM LLC22,732$0.62M0.1%N/A0.116%Search for SEC Filing on Google Icon
2/16/2026Squarepoint Ops LLC48,470$1.31M0.0%-46.2%0.247%Search for SEC Filing on Google Icon
2/16/2026Verition Fund Management LLC16,470$0.45M0.0%+4.0%0.084%Search for SEC Filing on Google Icon
2/16/2026Mariner LLC24,016$0.65M0.0%+13.4%0.122%Search for SEC Filing on Google Icon
2/16/2026Barclays PLC35,939$0.97M0.0%+20.8%0.183%Search for SEC Filing on Google Icon
2/16/2026Bristlecone Value Partners LLC10,650$0.29M0.3%N/A0.054%Search for SEC Filing on Google Icon
2/13/2026Kestra Advisory Services LLC4,227$0.11M0.0%N/A0.022%Search for SEC Filing on Google Icon
2/13/2026Simcoe Capital Management LLC813,590$22.03M3.9%N/A4.149%Search for SEC Filing on Google Icon
2/13/2026Quaker Capital Investments LLC474,865$12.86M3.3%+13.5%2.422%Search for SEC Filing on Google Icon
2/13/2026Jacobs Levy Equity Management Inc.59,093$1.60M0.0%-33.1%0.301%Search for SEC Filing on Google Icon
2/13/2026Public Sector Pension Investment Board67,865$1.84M0.0%-11.7%0.346%Search for SEC Filing on Google Icon
2/13/2026First Trust Advisors LP62,361$1.69M0.0%+0.9%0.318%Search for SEC Filing on Google Icon
2/13/2026Charles Schwab Investment Management Inc.568,413$15.39M0.0%+4.0%2.899%Search for SEC Filing on Google Icon
2/13/2026State Street Corp764,324$20.70M0.0%-0.7%3.898%Search for SEC Filing on Google Icon
2/13/2026Boston Partners22,080$0.60M0.0%+4.4%0.113%Search for SEC Filing on Google Icon
2/13/2026Dynamic Technology Lab Private Ltd29,423$0.80M0.2%+1.1%0.150%Search for SEC Filing on Google Icon
2/13/2026Wells Fargo & Company MN21,383$0.58M0.0%+39.9%0.109%Search for SEC Filing on Google Icon
2/13/2026JB Capital Partners LP70,000$1.90M0.3%N/A0.357%Search for SEC Filing on Google Icon
2/12/2026HRT Financial LP44,528$1.21M0.0%-53.7%0.227%Search for SEC Filing on Google Icon
2/12/2026Renaissance Technologies LLC7,900$0.21M0.0%-71.1%0.040%Search for SEC Filing on Google Icon
2/12/2026Dimensional Fund Advisors LP1,173,525$31.78M0.0%-0.4%5.984%Search for SEC Filing on Google Icon
2/12/2026EntryPoint Capital LLC24,716$0.67M0.3%-4.6%0.126%Search for SEC Filing on Google Icon
2/12/2026Federated Hermes Inc.68,127$1.85M0.0%+3.7%0.347%Search for SEC Filing on Google Icon
2/12/2026Ensign Peak Advisors Inc2,170$59K0.0%-66.5%0.011%Search for SEC Filing on Google Icon
2/12/2026Fuller & Thaler Asset Management Inc.1,013,818$27.45M0.1%-8.6%5.170%Search for SEC Filing on Google Icon
2/12/2026Campbell & CO Investment Adviser LLC21,657$0.59M0.0%+10.9%0.110%Search for SEC Filing on Google Icon
2/12/2026Ironwood Investment Management LLC77,416$2.10M0.9%-6.1%0.395%Search for SEC Filing on Google Icon
2/12/2026Nuveen LLC63,569$1.72M0.0%-4.8%0.324%Search for SEC Filing on Google Icon
2/11/2026CSM Advisors LLC177,480$4.81M0.1%+27.1%0.905%Search for SEC Filing on Google Icon
2/11/2026Empowered Funds LLC89,175$2.42M0.0%-24.1%0.455%Search for SEC Filing on Google Icon
2/11/2026Brandywine Global Investment Management LLC44,880$1.22M0.0%+9.8%0.229%Search for SEC Filing on Google Icon
2/11/2026O Shaughnessy Asset Management LLC104,179$2.82M0.0%+56.3%0.531%Search for SEC Filing on Google Icon
2/11/2026State of Wyoming14,235$0.39M0.0%+45.2%0.073%Search for SEC Filing on Google Icon
2/10/2026Marble Wealth LLC15,085$0.41M0.1%N/A0.077%Search for SEC Filing on Google Icon
2/10/2026Goldman Sachs Group Inc.136,080$3.69M0.0%+76.3%0.694%Search for SEC Filing on Google Icon
2/10/2026Intech Investment Management LLC73,572$1.99M0.0%+521.2%0.375%Search for SEC Filing on Google Icon
2/9/2026Geode Capital Management LLC457,548$12.39M0.0%-1.8%2.333%Search for SEC Filing on Google Icon
2/6/2026LSV Asset Management945,231$25.60M0.1%-1.0%4.820%Search for SEC Filing on Google Icon
2/6/2026Pzena Investment Management LLC1,204,252$32.61M0.1%-3.6%6.141%Search for SEC Filing on Google Icon
2/5/2026Gamco Investors INC. ET AL30,714$0.83M0.0%-26.4%0.157%Search for SEC Filing on Google Icon
2/4/2026Pacific Ridge Capital Partners LLC39,568$1.07M0.2%+4.7%0.202%Search for SEC Filing on Google Icon
2/3/2026Kestrel Investment Management Corp83,750$2.27M1.3%-3.5%0.427%Search for SEC Filing on Google Icon
2/2/2026Seizert Capital Partners LLC112,401$3.04M0.1%+209.4%0.573%Search for SEC Filing on Google Icon
1/30/2026Skylands Capital LLC80,750$2.19M0.3%+27.4%0.412%Search for SEC Filing on Google Icon
1/29/2026Comerica Bank15,530$0.42M0.0%+20.6%0.079%Search for SEC Filing on Google Icon
1/29/2026Teachers Retirement System of The State of Kentucky4,990$0.14M0.0%-12.9%0.025%Search for SEC Filing on Google Icon
1/27/2026Waterfront Wealth Inc.53,168$1.54M0.3%+41.1%0.271%Search for SEC Filing on Google Icon
1/27/2026Zurcher Kantonalbank Zurich Cantonalbank9,074$0.25M0.0%+63.0%0.046%Search for SEC Filing on Google Icon
1/21/2026Daytona Street Capital LLC8,000$0.22M0.1%N/A0.041%Search for SEC Filing on Google Icon
1/15/2026Allspring Global Investments Holdings LLC12,280$0.33M0.0%+9.6%0.063%Search for SEC Filing on Google Icon
1/7/2026CWA Asset Management Group LLC19,861$0.54M0.0%N/A0.101%Search for SEC Filing on Google Icon
1/1/2026JPMorgan Chase & Co.63,338$1.77M0.0%+2.4%0.323%Search for SEC Filing on Google Icon
11/17/2025Hancock Whitney Corp18,368$0.51M0.0%+19.0%0.094%Search for SEC Filing on Google Icon
11/17/2025Jacobs Levy Equity Management Inc.88,370$2.47M0.0%-24.8%0.451%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC15,831$0.44M0.0%+39.4%0.081%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: $40.79
Low: $40.65
High: $42.23

50 Day Range

MA: $38.68
Low: $35.21
High: $43.93

52 Week Range

Now: $40.79
Low: $25.00
High: $46.40

Volume

54,204 shs

Average Volume

194,129 shs

Market Capitalization

$784.39 million

P/E Ratio

10.73

Dividend Yield

0.84%

Beta

1.28

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. Mark R Mccormack (VP)
  7. Steven R Lacy (Insider)
  8. Steven R Lacy (VP)
  9. Leslie S Hyde (SVP)
  10. Fleetwood S Hassell (President)
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 — 6.25%
  2. Dimensional Fund Advisors LP — 6.16%
  3. Bank of New York Mellon Corp — 1.16%
  4. Arrowstreet Capital Limited Partnership — 0.84%
  5. Principal Financial Group Inc. — 0.70%
  6. Kestrel Investment Management Corp — 0.43%
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. Skylands Capital LLC
  2. New York State Teachers Retirement System
  3. Waterfront Wealth Inc.
  4. State of Wyoming
  5. Bank of New York Mellon Corp
  6. Public Employees Retirement System of Ohio
  7. Illinois Municipal Retirement Fund
  8. Kestrel Investment Management Corp

Which major investors are buying Koppers stock?

In the last quarter, KOP stock was acquired by institutional investors including:
  1. Arrowstreet Capital Limited Partnership
  2. Sei Investments Co.
  3. Principal Financial Group Inc.
  4. Dimensional Fund Advisors LP
  5. Fifth Third Bancorp
  6. J. Safra Sarasin Holding AG
  7. Janney Montgomery Scott LLC
  8. Louisiana State Employees Retirement System

Koppers Active Insiders

M Leroy Ball
M Leroy Ball
Chief Executive Officer + Board Chairman
2 recent trades
James A Sullivan
James A Sullivan (Age 62)
COO
Bradley A Pearce
Bradley A Pearce (Age 59)
CAO
Leslie S Hyde
Leslie S Hyde
SVP
Joseph P Dowd
Joseph P Dowd
VP