Koppers Holdings Publishes 2025 Annual Report

Koppers Holdings (NYSE: KOP) published its 2025 Annual Report and Letter to Shareholders, including audited financial statements for the fiscal year ended December 31, 2025.

Rhea-AI Summary

Koppers Holdings (NYSE: KOP) published its 2025 Annual Report and Letter to Shareholders, including audited financial statements for the fiscal year ended December 31, 2025.

The Annual Report was filed with the SEC on March 27, 2026 and is available on the company Investor Relations website and at www.sec.gov.

Argus Mar 31 session

+1.15% close to close Open Argus

Details

News Market Reaction – KOP

In the Mar 31 session, KOP gained 1.15%, reflecting a mild positive market reaction.

Data tracked by StockTitan Argus on the day of publication.

Market Context

This announcement centers on the formal publication of Koppers’ 2025 Annual Report and audited finan...

Analysis

This announcement centers on the formal publication of Koppers’ 2025 Annual Report and audited financial statements for the year ended December 31, 2025, filed with the SEC on March 27, 2026. It provides shareholders with comprehensive financial and governance details to compare against recent earnings, outlook, and dividend decisions. Investors may focus on how the narrative and disclosures in the report relate to previously communicated strategy, cash flows, and capital allocation priorities.

Key Figures

Report year: 2025 Fiscal year-end: December 31, 2025 Filing date: March 27, 2026 +1 more

Report year

2025

Annual Report and Letter to Shareholders year

Fiscal year-end

December 31, 2025

Fiscal year ended for audited financial statements

Filing date

March 27, 2026

Date Annual Report was filed with SEC

Publication date

March 31, 2026

Date company announced publication of 2025 Annual Report

Historical Context

5 past events · Latest: Mar 16

5 events

1. Mar 16

   Investor conference

   24h Move

   +2.6%

   Participation in Sidoti Small Cap virtual conference with investor meetings.

2. Mar 03

   Investor event

   24h Move

   +0.8%

   Participation in NYSE Materials Virtual Investor Access Day with investor meetings.

3. Feb 26

   Earnings and outlook

   24h Move

   +7.9%

   Reported Q4 and full-year 2025 results and issued 2026 sales and EPS outlook.

4. Feb 11

   Dividend increase

   24h Move

   +3.0%

   Announced 12.5% increase to 2026 quarterly dividend and detailed payment schedule.

5. Jan 29

   Earnings call setup

   24h Move

   +1.3%

   Scheduled Q4 and full-year 2025 results release and conference call details.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Key Terms

audited financial statements, U.S. Securities and Exchange Commission

2 terms

audited financial statements financial

"The Annual Report, including audited financial statements for the fiscal year ended..."

Audited financial statements are a company's financial reports—like its income, expenses, assets and debts—that have been examined and verified by an independent accountant to confirm they are accurate and complete. For investors, an audit is like having a trusted mechanic inspect a used car: it increases confidence that the financial picture is reliable, reduces the risk of hidden problems, and supports better decisions about valuing or trusting the company.

U.S. Securities and Exchange Commission regulatory

"was filed with the U.S. Securities and Exchange Commission (SEC) on March 27, 2026."

The U.S. Securities and Exchange Commission is a government agency responsible for overseeing the stock market and protecting investors. It sets rules to ensure that companies share truthful information and that trading is fair, helping to maintain trust in the financial system. This oversight is important because it helps prevent fraud and ensures that investors can make informed decisions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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PITTSBURGH, March 31, 2026 /PRNewswire/ -- Koppers Holdings Inc. (NYSE: KOP), an integrated global provider of treated wood products, wood treatment chemicals and carbon compounds, today announced that the company has published its 2025 Annual Report and Letter to Shareholders. The Annual Report, including audited financial statements for the fiscal year ended December 31, 2025, was filed with the U.S. Securities and Exchange Commission (SEC) on March 27, 2026.

The report is available for viewing on the company's website in the Investor Relations section and can be accessed here, as well as on the SEC's website at www.sec.gov.

About Koppers

Koppers (NYSE: KOP) is an integrated global provider of essential treated wood products, wood preservation technologies and carbon compounds. Our team of approximately 1,850 employees create, protect and preserve key elements of our global infrastructure – including railroad crossties, utility poles, outdoor wooden structures, and production feedstocks for steel, aluminum and construction materials, among others – applying decades of industry-leading expertise while constantly innovating to anticipate the needs of tomorrow. Together we are providing safe and sustainable solutions to enable rail transportation, keep power flowing, and create spaces of enjoyment for people everywhere. Protecting What Matters, Preserving The Future. Learn more at Koppers.com.

Inquiries from the media should be directed to Ms. Jessica Franklin Black at BlackJF@koppers.com or 412-227-2025. Inquiries from the investment community should be directed to Ms. Quynh McGuire at McGuireQT@koppers.com or 412-227-2049.

For Information:		Quynh McGuire, Vice President, Investor Relations
		412 227 2049
		McGuireQT@koppers.com

 

View original content to download multimedia:https://www.prnewswire.com/news-releases/koppers-holdings-publishes-2025-annual-report-302728961.html

SOURCE KOPPERS HOLDINGS INC.

FAQ

When did Koppers (KOP) file its 2025 Annual Report with the SEC?

The company filed its 2025 Annual Report with the SEC on March 27, 2026. According to the company, the filing includes audited financial statements for the fiscal year ended December 31, 2025, and is available on the SEC website and investor relations page.

Where can investors view Koppers (KOP) 2025 Annual Report and Letter to Shareholders?

Investors can view the 2025 Annual Report on Koppers’ Investor Relations website and on www.sec.gov. According to the company, the report includes the audited financial statements for the fiscal year ended December 31, 2025.

What period do the audited financial statements in Koppers (KOP) 2025 Annual Report cover?

The audited financial statements cover the fiscal year ended December 31, 2025. According to the company, those statements were included in the Annual Report filed with the SEC on March 27, 2026 and are publicly accessible.

Does the Koppers (KOP) 2025 Annual Report include a Letter to Shareholders?

Yes, the 2025 Annual Report includes a Letter to Shareholders. According to the company, the Letter and audited financial statements are available on the company Investor Relations site and on www.sec.gov.

How can shareholders access the audited financial statements from Koppers (KOP) 2025 report?

Shareholders can access the audited financial statements via the company Investor Relations website or the SEC website at www.sec.gov. According to the company, the report was filed with the SEC on March 27, 2026.