CLH ▼ -1.1% - Clean Harbors, Inc. $CLH - Clean Harbors Prices Offering of Senior Notes Due 2034 Clean Harbors priced an offering of senior notes due in 2034, a debt issuance that typically involves dilution concerns or refinancing questions that weighed on the stock as it fell 1.1% today. 17-SEP-2026 06:44 PM ET