InsidersTradesSigma
Track the Koppers Holdings Inc. stock price and the full insider trade history of the company, a publicly traded company based in United States. Shares are listed on the US market, under the oversight of SEC (Form 4). Operating in the Chemicals & Materials sector, Koppers Holdings Inc. has logged 233 reports. Market capitalisation: €867.7m. The latest transaction was reported on 20 August 2026 (Cession). Among the most active insiders: BALL M LEROY. The full history is free.
233
Insider Decl.
n/a
Thresholds
€1,082
2 ops.
Buy Volume
€6m
28 ops.
Sell Volume
Analyst consensus: bullish or bearish?
Analysts rate Koppers Holdings Inc. Strong Buy (bullish), based on 3 analysts. Average price target: US$57.00.
33Σ signal
This score ranks the purchase within its own market. No market currently meets the historical allocation criteria, so signals remain watch-only. Not investment advice.
Fundamental score
Ranked 15,576 of 28,985 companies
50.0
score / 100
Value73
Quality27
FCF yld7.7%
Earn yld6.4%
EV/EBITDA8.6x
ROE-19%
Gross mgn24%
Net mgn3.0%
Debt/EBITDA4.6x
Pillars2/3
Transparent value + quality ranking, distinct from the insider signal.
Sigma AI Analysis
Fundamental view, insider signal, bull and bear case, synthesis.
AI analysis generation is paused.
Last declaration on 20 August 2026
Declarations233 total
3,000 shares@ US$45.84Common StockSEC:0001229771-26-000018:0
1,308 shares@ US$44.550.0068% mcap50.0% of flowCommon StockSEC:0001919175-26-000008:0
1,308 shares@ US$44.55310.0068% mcap100.0% of flowCommonSEC144:0001959173-26-005936
7,500 shares@ US$50.000.039% mcap6.2% of flowCommon StockSEC:0001450800-26-000006:0
7,500 shares@ US$50.000.039% mcap6.6% of flowCommonSEC144:0001959173-26-005881
100 shares@ US$51.220.0005% mcap0.1% of flowCommon StockSEC:0001315257-26-000050:1
2,000 shares@ US$51.010.011% mcap17.9% of flowCommon StockSEC:0001776180-26-000008:0
79,900 shares@ US$50.010.41% mcap75.7% of flowCommon StockSEC:0001315257-26-000050:0
2,000 shares@ US$51.010.011% mcap21.9% of flowCommonSEC144:0001959173-26-005819
3,412 sharesCommon StockSEC:0001229771-26-000016:0
4,141 sharesCommon StockSEC:0001229771-26-000013:0
300 sharesCommon StockSEC:0001229771-26-000013:1
5,695 shares0Common StockSEC:0001315257-26-000043:0
6,620 shares0Common StockSEC:0002136316-26-000004:0
5,000 shares0Common StockSEC:0001776180-26-000006:0
2,659 shares@ US$42.550.013% mcap40.2% of flowCommon StockSEC:0001229771-26-000010:0
834 shares0Common StockSEC:0000950170-25-088507:0
33 shares0Common StockSEC:0000950170-25-086751:0
1,750 shares0Common StockSEC:0000950170-25-076330:0
4,778 shares0Common StockSEC:0000950170-25-068045:0
4,778 shares0Common StockSEC:0000950170-25-068060:0
4,778 shares0Common StockSEC:0000950170-25-068034:0
4,778 shares0Common StockSEC:0000950170-25-068056:0
17 shares0Common StockSEC:0000950170-25-064688:0
17 shares0Common StockSEC:0000950170-25-064562:0
25 of 233 declarations
About Koppers Holdings Inc.
Koppers Holdings Inc. (ticker KOP) is a U.S.-listed industrial company traded on the NYSE/NASDAQ universe; in practice, its shares are listed on the NYSE. For French-speaking investors, Koppers is best understood as a specialty materials and intermediate chemicals business with meaningful exposure to infrastructure, rail, wood treatment, and selected industrial end markets. The company’s roots go back to the early 1900s, when German engineer Heinrich Koppers developed coke-oven technology designed to recover byproducts for reuse rather than release them into the atmosphere. Its headquarters are in Pittsburgh, Pennsylvania, United States. ([koppers.com](https://www.koppers.com/company?utm_source=openai)) Koppers’ business model is built around several complementary segments. On one side, Railroad and Utility Products and Services supplies treated railroad ties, utility-related infrastructure products, and maintenance-oriented services tied to rail and utility networks. On the other, Carbon Materials and Chemicals converts industrial byproducts into value-added inputs used in aluminum, steel, plastics, resins, rubber, and other manufacturing chains. This gives Koppers a niche industrial profile: it is not a broad commodity chemicals producer, but a technically specialized provider where process know-how, product stewardship, customer stickiness, and long-term supply relationships matter as much as headline scale. ([koppers.com](https://www.koppers.com/company/what-we-do?utm_source=openai)) From a competitive standpoint, Koppers benefits from global reach and from operating in segments that tend to have meaningful operational and regulatory barriers. The company emphasizes a diversified geographic footprint and a portfolio anchored in recurring infrastructure demand, allowing it to serve industrial and railroad customers across North America, Europe, Latin America, and other regions. Its differentiation comes from process expertise, byproduct valorization, and a sustainability-oriented operating model, all of which can help defend margins and customer relationships against more generalized competitors. ([koppers.com](https://www.koppers.com/company?utm_source=openai)) Recent developments include the release of the company’s 2024 annual report in March 2025 and its full-year 2025 results in early 2026. Those results highlighted changes in volumes and in certain chemical lines, including the discontinuation of phthalic anhydride production and lower revenues in some carbon and railroad maintenance activities. Koppers also continues to file Form 4 insider transaction disclosures, underscoring ongoing market attention to ownership activity and governance signals. ([investors.koppers.com](https://investors.koppers.com/news-releases/news-release-details/koppers-holdings-announces-availability-2024-annual-report?utm_source=openai))
