Company news
Koppers Holdings Inc. (NYSE:KOP) news
Every Koppers Holdings Inc. press release and news update in one place — announcements, filings coverage, and company updates for investors.
Press releases & updates
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 10, 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
KNOT Offshore Partners LP Earnings Release — Interim Results for the Period Ended March 31, 2026
May 28, 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 N...
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
Koppers Named To Newsweek 'America's Most Responsible Companies' Listing
December 16, 2025
Koppers Management Participating in Sidoti Year End Virtual Investor Conference
December 8, 2025
Koppers Management Participating in BofA Securities Leveraged Finance Conference
November 26, 2025
Koppers Announces Participation in Southwest IDEAS Investor Conference
November 17, 2025
KOPPERS REPORTS THIRD QUARTER 2025 RESULTS
November 7, 2025
Koppers Holdings Inc. Declares Quarterly Cash Dividend
November 6, 2025
Koppers Holdings Names Laura Posadas to Board
November 5, 2025
Koppers Holdings Inc. Schedules Third Quarter 2025 Conference Call
October 24, 2025
Koppers Management Meeting with Financial Community in Los Angeles
September 25, 2025
Koppers Announces Participation in Midwest IDEAS Investor Conference
August 21, 2025
Koppers Management Meeting with Financial Community in Boston and New York
August 11, 2025
KOPPERS REPORTS SECOND QUARTER 2025 RESULTS; REVISES 2025 OUTLOOK
August 8, 2025
Koppers Holdings Inc. Schedules Second Quarter 2025 Conference Call
July 25, 2025
Koppers Releases 2024 Corporate Sustainability Report
June 25, 2025
Koppers Extends Revolving Credit Facility Maturity Date to 2030
June 18, 2025
Koppers Announces Participation in Upcoming Investor Conferences
June 5, 2025
Koppers Names James A. Sullivan President and Chief Transformation Officer; New Role Created to Oversee Company-wide Catalyst Initiative
May 29, 2025
Koppers Management Participating in Barrington Research Spring Virtual Investment Conference
May 28, 2025
Koppers Management Participating in B. Riley Securities Investor Conference
May 12, 2025
KOPPERS REPORTS FIRST QUARTER 2025 RESULTS; MAINTAINS 2025 OUTLOOK FOR ADJUSTED EBITDA AND EPS
May 9, 2025
Koppers Holdings Inc. Schedules First Quarter 2025 Conference Call
April 25, 2025
Koppers Holdings Announces Availability of 2024 Annual Report
March 31, 2025
Koppers Fran Wisniewski Earns 2025 Women MAKE Award
March 11, 2025
Koppers Announces $100 Million Share Repurchase Program
February 27, 2025
Koppers Reports Fourth Quarter and Full-Year 2024 Results; Provides 2025 Outlook
February 27, 2025