Koppers Holdings Inc. filings document the regulatory record for a NYSE-listed operating company with common stock trading under KOP. Its Form 8-K reports cover operating results, financial condition, executive officer changes, compensation arrangements, board committee assignments, and costs associated with exit or disposal activities.
Proxy and annual-report filings provide disclosure on governance, director elections, executive compensation, shareholder voting matters, audited financial statements, risk oversight and the company's capital structure. The filings tie these matters to Koppers' treated wood products, wood treatment chemicals and carbon compounds businesses.
Koppers Holdings Inc. President and CTO James A. Sullivan reported a sale of 7,500 shares of Common Stock on August 11, 2026, in a transaction classified as a sale in open market or private transaction at $50.00 per share. Following this sale, Sullivan directly holds 82,897.738 shares of Koppers Holdings Inc. Common Stock.
Koppers Holdings Inc. insider Bradley A. Pearce, Chief Accounting Officer, reported selling 2,000 shares of common stock on 2026-08-10 in a sale classified as an open market or private transaction at $51.01 per share. Following this transaction, Pearce directly holds 41,037 shares of Koppers common stock. The Rule 10b5-1 trading-plan checkbox was not marked as applicable.
Koppers Holdings Inc. President and CTO James A. Sullivan reported selling a total of 80,000 shares of common stock on August 7, 2026. The sale included 79,900 shares at a weighted average price of $50.01 per share in multiple trades ranging from $50.00 to $50.28, and an additional 100 shares at $51.22 per share in a separate open-market or private transaction.
Koppers Holdings (symbol KOP) reports that insider James A. Sullivan plans to sell up to 7,500 shares of common stock through Fidelity Brokerage Services LLC on the NYSE, tied to prior restricted stock vesting awards from 2016–2025. The filing also lists a recent sale of 80,000 common shares for $4,000,668.23 on August 7, 2026. Shares outstanding were 18,911,568, providing context for the size of these transactions.
A shareholder of KOP filed to sell common stock under Rule 144. The planned transaction involves 2,000 common shares held at Fidelity Brokerage Services, with an aggregate value of $102,020.00, and lists the NYSE as the trading venue with an anticipated sale date of August 10, 2026.
The filing also lists prior equity awards: restricted stock vesting events of 1,500 shares on January 5, 2024 and 500 shares on March 1, 2024, both characterized as compensation from the issuer.
Koppers Holdings Inc. (KOP) filed to permit the sale of 80,000 shares of common stock through Fidelity Brokerage Services LLC on or after August 7, 2026 on the NYSE. The filing lists an aggregate market value of approximately $4,000,668.23 for these shares and notes 18,911,568 shares of common stock outstanding.
The seller’s position was built over time through multiple restricted stock vesting events, employee stock purchase plan (ESPP) purchases, and a stock option exercise, spanning dates from 2017 through 2025. These historical acquisitions are summarized to support the availability of shares for the planned sale.
Koppers Holdings Inc. reported sharply weaker results for the quarter and six months ended June 30, 2026, driven by large impairment and restructuring charges tied mainly to shutting down distillation and chemical manufacturing at its Stickney, Illinois facility and other network optimization actions.
For the quarter, net sales were $520.1 million, up modestly from $504.8 million, but the company recorded a net loss of $147.5 million versus income of $16.4 million a year earlier. Impairment and restructuring expense jumped to $215.8 million in the quarter, leading to an operating loss of $166.0 million. Adjusted EBITDA, which excludes these items and other non‑recurring factors, was $71.0 million, down from $77.1 million.
By segment, Railroad and Utility Products and Services saw lower adjusted EBITDA on weaker pricing and mix, while Performance Chemicals delivered higher sales and adjusted EBITDA, helped by volume growth and lower net raw material costs. Carbon Materials and Chemicals experienced a steep adjusted EBITDA decline due to higher costs despite savings from prior shutdowns. For the first half, operating activities generated $96.3 million of cash, total debt was $905.7 million, and shareholders’ equity declined to $387.0 million after restructuring charges and share repurchases.
Koppers Holdings reported second-quarter 2026 net sales of $520.1 million, up 3.0% from $504.8 million a year earlier. A non-cash charge for $215.8 million of impairment, restructuring and plant closure costs drove a GAAP net loss of $(147.5) million, or $(7.71) per diluted share, versus $0.81. Adjusted net income was $27.1 million, adjusted EPS $1.37 and adjusted EBITDA $71.0 million, down from $77.1 million.
Year-to-date operating cash flow reached a record $96.3 million and free cash flow $72.6 million versus $1.4 million, enabling debt reduction and $47.4 million returned to shareholders. For 2026, Koppers maintains net sales guidance of $1.9–$2.0 billion, but narrows adjusted EBITDA to $240–$250 million and adjusted EPS to $3.80–$4.20, indicating profitability toward the lower end of prior expectations amid continued margin pressures.
Vanguard Capital Management LLC, together with certain affiliates, reports beneficial ownership of Koppers Holdings Inc common stock on an amended Schedule 13G. The group beneficially owns 955,150 shares, representing 4.96% of the class as of June 30, 2026. Vanguard has sole voting power over 142,521 shares and sole dispositive power over all 955,150 shares, with no shared voting or dispositive power. The holdings include securities held by various Vanguard funds and managed accounts, and no other single person has an interest in more than 5% of the class through these positions.