Koppers Holdings Inc. 8-K

What Happened

• On February 26, 2026, Koppers Holdings Inc. announced its fourth quarter and full-year 2025 results in a press release that was furnished as Exhibit 99.1 to a Current Report on Form 8-K (Item 2.02: Results of Operations and Financial Condition).
• The Form 8-K was signed by Bradley A. Pearce, Interim Chief Financial Officer and Chief Accounting Officer.

Key Details

• Filing date: February 26, 2026.
• Item reported: 2.02 — Results of Operations and Financial Condition (press release announcing Q4 and full-year 2025 results).
• Exhibit: 99.1 — Press release dated February 26, 2026 (furnished with the 8-K).
• Form signed by: Bradley A. Pearce, Interim CFO & Chief Accounting Officer.

Why It Matters

• This 8-K provides the company’s official, timely disclosure that Q4 and full-year 2025 results are available; investors should review the press release (Exhibit 99.1) for revenue, earnings, cash flow, segment performance, and any management commentary or guidance.
• Because the release is furnished as part of an 8-K, it signals material operating/financial information has been communicated to the market; investors may want to check Koppers’ press release and related SEC filings (e.g., 10-K or earnings release) for full financial detail and context.