Clean Harbors, Inc.
corporate_fare Company Profile
Clean Harbors, Inc. (NYSE:CLH) is a publicly traded company in the Energy & Transportation sector. Wiseek has independently scored 19 items for CLH at importance 7 or higher on its 1–10 market-impact scale. Its most recent item scored 7 or higher is dated 2026-09-18, rated 7/10. Across its 19 most recent items scored 7 or higher, the top rating is 9/10, with 8 rated 8 or above. Recent SEC coverage for CLH spans 8-K, 10-Q, 4, 144.
Recent high-impact activity:
- Clean Harbors Prices $600M Senior Notes at 6.25% to Fund EnviroServe Deal
- Clean Harbors Launches $600M Senior Notes Offering to Fund Acquisitions
- Clean Harbors to Acquire EnviroServe for $470M in Cash
- Clean Harbors to Acquire EnviroServe for $470M, Expanding Environmental Services
- Clean Harbors Q2 Revenue Hits $1.74B, Raises Full-Year Guidance
Financial Snapshot
Short Interest & Short Volume
3.26 days to coverFINRA reported short interest of 1,128,021 shares in CLH as of the September 15, 2026 settlement, a 7.3% increase from the prior period — about 3.3 days to cover at its recent average daily volume. On October 2, 2026, 66.7% of CLH volume reported to FINRA trade-reporting facilities was marked short.
Daily short sale volume covers trades reported to FINRA trade-reporting facilities and is not the same as short interest (bi-monthly reported positions). Source: FINRA — FINRA is the owner and source of this short interest and short sale volume data; it may not be redistributed.