Company news
Clean Harbors, Inc. (NYSE:CLH) news
Every Clean Harbors, Inc. press release and news update in one place — announcements, filings coverage, and company updates for investors.
Press releases & updates
One Rock Capital Partners Announces Sale of EnviroServe to Clean Harbors
August 12, 2026
Clean Harbors to Acquire EnviroServe for $470 Million
August 12, 2026
Clean Harbors Announces Second-Quarter 2026 Financial Results
July 29, 2026
Clean Harbors Appoints Robert Willett Chairman of the Board
July 16, 2026
Clean Harbors to Announce Second-Quarter 2026 Financial Results on July 29
July 8, 2026
Clean Harbors Announces Retirement of Founder and Executive Chairman Alan S. McKim
May 20, 2026
Clean Harbors Announces Acquisition of Terra Nova Solutions
May 14, 2026
Clean Harbors Announces First-Quarter 2026 Financial Results
May 6, 2026
Clean Harbors to Participate in 21st Annual Oppenheimer Industrial Growth Conference on May 7
April 23, 2026
Clean Harbors to Announce First-Quarter 2026 Financial Results on May 6
April 15, 2026
Clean Harbors Formally Releases PFAS Disposal and Treatment Guidance Standards to Assist Customers and Communities with Decision Making
April 1, 2026
Clean Harbors to Participate in Raymond James Investor Conference on March 3
February 19, 2026
Clean Harbors Announces Fourth-Quarter and Full-Year 2025 Financial Results
February 18, 2026
Clean Harbors to Announce Fourth-Quarter and Full-Year 2025 Financial Results on February 18
January 28, 2026
Clean Harbors to Participate in Upcoming Investor Conferences
January 6, 2026
Clean Harbors Awarded $110 Million in Projects for PFAS Water Filtration System in Hawaii
December 2, 2025
Clean Harbors to Participate in Goldman Sachs Industrials and Materials Conference
November 20, 2025
Clean Harbors Announces Third-Quarter 2025 Financial Results
October 29, 2025
Clean Harbors to Announce Third-Quarter 2025 Financial Results on October 29
October 15, 2025
Clean Harbors Prices Offering of Senior Notes Due 2033
September 25, 2025
Clean Harbors Announces $845 Million Senior Notes Offering
September 25, 2025
Clean Harbors Announces Used Oil Collection Price Increases in Its Safety-Kleen Sustainability Solutions Business
September 24, 2025
Clean Harbors’ PFAS Incineration Study Demonstrates Successful Destruction of "Forever Chemicals" that Surpasses Latest EPA Standards
September 18, 2025
Clean Harbors Issues 2025 Sustainability Supplement; Achieves 2030 Recycling Goal Ahead of Schedule
September 16, 2025
Nations Roof Appoints Robert Speights as Chief Executive Officer
August 14, 2025
Clean Harbors Announces Second-Quarter 2025 Financial Results
July 30, 2025
Clean Harbors to Announce Second-Quarter 2025 Financial Results on July 30
July 16, 2025
Clean Harbors Announces First-Quarter 2025 Financial Results
April 30, 2025
Clean Harbors to Announce First-Quarter 2025 Financial Results on April 30
April 16, 2025
Clean Harbors Announces Fourth-Quarter and Full-Year 2024 Financial Results
February 19, 2025