Recent News

• 11.02.2026 - Royal Purple Unveils New Three-Tier Performance Motor Oil Lineup at AAPEX 2026
• 09.11.2026 - TRUFUEL® Gets a Fresh New Look
• 09.01.2026 - Montana Renewables Announces Innovative, Capital-Efficient Expansion to 200 Million Gallons of Sustainable Aviation Fuel
• 08.04.2026 - Montana Renewables Celebrates Minnesota SAF Hub
• 07.07.2026 - Bel-Ray Powersports Advances 4-Cycle Engine Oil Line with Comprehensive Reformulation
• 03.04.2026 - TRUFUEL® Announces Record-Breaking Sales as Rapid Growth Continues
• 01.30.2026 - Calumet Announces Packaging Update for Large Engineered Fuel Containers
• 10.24.2025 - Calumet Montana and Department of Revenue Finalize Property Tax Assessment
• 08.11.2025 - Calumet Dickinson Receives Environmental Award for Recycling 28M Pounds of Sustainable Materials
• 05.05.2025 - Calumet To Award Four Stem Scholarships To Area Seniors

Recent Filings

• 10.21.2026 - 4 Statement of changes in beneficial ownership of securities
• 09.28.2026 - 4 Statement of changes in beneficial ownership of securities
• 09.28.2026 - 4 Statement of changes in beneficial ownership of securities
• 09.28.2026 - 4 Statement of changes in beneficial ownership of securities
• 09.28.2026 - 4 Statement of changes in beneficial ownership of securities
• 09.15.2026 - 8-K Current report
• 09.01.2026 - 8-K Current report
• 09.01.2026 - EX-99.1 EX-99.1
• 08.21.2026 - 4 Statement of changes in beneficial ownership of securities
• 08.21.2026 - 4 Statement of changes in beneficial ownership of securities