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Koppers Holdings Inc. news in 2026

Koppers Holdings Inc.'s news releases, calls and decks from 2026, newest first.

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Koppers reports third quarter 2026 results

November 6, 2026

Koppers Holdings Inc. Declares Quarterly Cash Dividend

November 4, 2026

Koppers Holdings Inc. Schedules Third Quarter 2026 Conference Call

October 23, 2026

Koppers Holdings Inc. to Host Investor Day on September 17, 2026

August 31, 2026

Koppers Management Meeting with Financial Community in Montreal and Toronto

August 5, 2026

Koppers reports second quarter 2026 results

August 6, 2026

Koppers Holdings Inc. Schedules Second Quarter 2026 Conference Call

July 23, 2026

Timber Specialties unveils MicroPro Sienna Plus, enhancing a proven industry solution

June 25, 2026

Koppers Publishes 2025 Corporate Sustainability Report Highlighting Record Safety and Emissions Performance and Refreshed 2030 Strategy

June 25, 2026

Koppers Announces Participation in Upcoming June Investor Conferences

June 15, 2026

Koppers Management Participating in Wells Fargo Industrials & Materials Conference

June 8, 2026

Koppers Management Participating in Barrington Research Spring Investment Conference

May 22, 2026

Koppers Management Participating in Barclays Leveraged Finance Conference

May 15, 2026

Koppers Announces Appointment of Eric Brenner as Chief Financial Officer and Treasurer

May 11, 2026

Koppers reports first Quarter 2026 results

May 8, 2026

Koppers Announces Conditional Plan to Discontinue Production Activities at Facility in Stickney, Illinois

May 8, 2026

Koppers Holdings Inc. Schedules First Quarter 2026 Conference Call

April 24, 2026

Koppers Holdings Publishes 2025 Annual Report

March 31, 2026

Koppers to Ring NYSE Closing Bell to Celebrate 20th Anniversary of Listing; Management Hosting Meetings with the Financial Community in New York

March 30, 2026

Koppers Management Participating in Sidoti Small Cap Conference

March 16, 2026

Koppers Management Participating in NYSE Materials Virtual Investor Access Day

March 3, 2026

Koppers reports fourth Quarter and full-year 2025 results; provides 2026 outlook

February 26, 2026

Koppers Holdings Inc. Announces Increase to Quarterly Cash Dividend

February 11, 2026

Koppers Holdings Inc. Schedules Fourth Quarter and Full-Year 2025 Conference Call

January 29, 2026

Koppers Announces Retirement of Chief Financial Officer Jimmi Sue Smith

January 9, 2026

Calls in 2026

Decks in 2026