Recent News

• 05.14.2026 - Ecovyst Completes Term Loan Amendment and Increase
• 05.11.2026 - Ecovyst Announces Term Loan Amendment and Increase
• 05.05.2026 - Ecovyst Reports First Quarter 2026 Results and Revises 2026 Outlook
• 05.01.2026 - Ecovyst Announces Agreement to Acquire Calabrian Sulfur Dioxide & Sulfur Derivatives Business
• 04.20.2026 - Ecovyst to Host First Quarter 2026 Earnings Conference Call and Webcast on Tuesday, May 5, 2026 at 11:00 a.m. ET
• 02.26.2026 - Ecovyst Reports Fourth Quarter and Full Year 2025 Results

Recent Filings

• 05.08.2026 - SCHEDULE 13G/A Statement of Beneficial Ownership by Certain Investors
• 05.05.2026 - 10-Q Quarterly report [Sections 13 or 15(d)]
• 05.05.2026 - EX-99.1 EX-99.1
• 05.05.2026 - 8-K Current report
• 05.04.2026 - 8-K Current report
• 04.29.2026 - SCHEDULE 13G Statement of Beneficial Ownership by Certain Investors
• 04.24.2026 - SCHEDULE 13G/A Statement of Beneficial Ownership by Certain Investors
• 04.15.2026 - ARS Annual Report to Security Holders
• 04.15.2026 - DEF 14A Other definitive proxy statements
• 03.26.2026 - SCHEDULE 13G/A Statement of Beneficial Ownership by Certain Investors