Recent News

• 04.11.2025 - Ecovyst Completes ABL Facility Amendments
• 04.09.2025 - Ecovyst to Host First Quarter 2025 Earnings Conference Call and Webcast on Thursday, May 1, 2025 at 11:00 a.m. ET
• 03.26.2025 - Enzyme Supplies Ltd and Ecovyst Sign Memorandum of Understanding Focused on Accelerating Growth of Immobilized Enzymes
• 03.18.2025 - Ecovyst Announces Agreement to Acquire Sulfuric Acid Assets from Cornerstone Chemical Company
• 02.27.2025 - Ecovyst Reports Fourth Quarter and Full Year 2024 Results

Recent Filings

• 04.11.2025 - 8-K Current report
• 04.08.2025 - ARS Annual Report to Security Holders
• 04.08.2025 - DEF 14A Other definitive proxy statements
• 02.28.2025 - 10-K Annual report [Section 13 and 15(d), not S-K Item 405]
• 02.27.2025 - 8-K Current report
• 02.27.2025 - EX-99.1 EX-99.1
• 02.05.2025 - 4 Statement of changes in beneficial ownership of securities
• 02.05.2025 - 4 Statement of changes in beneficial ownership of securities
• 02.05.2025 - 4 Statement of changes in beneficial ownership of securities
• 02.05.2025 - 4 Statement of changes in beneficial ownership of securities