Recent News

• 03.20.2025 - Sidoti Small Cap Conference
• 03.11.2025 - Koppers Fran Wisniewski Earns 2025 Women MAKE Award
• 03.11.2025 - NYSE Materials Virtual Investor Access Day
• 03.07.2025 - Koppers Announces Participation in Upcoming Investor Conferences
• 02.27.2025 - Q4 2024 Koppers Holdings Inc. Earnings Conference Call
• 02.27.2025 - Koppers Reports Fourth Quarter and Full-Year 2024 Results; Provides 2025 Outlook
• 02.27.2025 - Koppers Announces $100 Million Share Repurchase Program
• 02.27.2025 - Koppers Announces $100 Million Share Repurchase Program
• 02.27.2025 - Koppers Reports Fourth Quarter and Full-Year 2024 Results; Provides 2025 Outlook
• 02.12.2025 - Koppers Holdings Inc. Announces Increase to Quarterly Cash Dividend

Recent Filings

• 03.11.2025 - 4/A Statement of changes in beneficial ownership of securities
• 02.27.2025 - 8-K Current report
• 02.27.2025 - 10-K Annual report [Section 13 and 15(d), not S-K Item 405]
• 02.27.2025 - EX-99.1 EX-99.1
• 02.24.2025 - 4 Statement of changes in beneficial ownership of securities
• 02.24.2025 - 3 Initial statement of beneficial ownership of securities
• 02.05.2025 - SCHEDULE 13G/A Statement of Beneficial Ownership by Certain Investors
• 01.07.2025 - 4 Statement of changes in beneficial ownership of securities