secwatch.observer — SEC 8-K summary
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Issuer:     CLEAN HARBORS INC (CLH)
CIK:        0000822818
Form:       8-K
Filed at:   2026-10-05T21:06:49+00:00
Accession:  0000822818-26-000042
Event type: debt
Sentiment:  positive
Materiality: 0.60
Item codes: 1.01, 2.03, 8.01, 9.01
LLM model:  deepseek-v4.1-flash:cloud@v2

Clean Harbors issues $600M 6.250% senior notes due 2034 to fund $775M EnviroServe, ES&H deals
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- $600M of 6.250% senior notes due September 30, 2034; semi-annual interest on March 31 and September 30, first payment March 31, 2027.
- Proceeds: $470M funds the EnviroServe acquisition (closed October 2, 2026); the remainder repays revolver borrowings used for ES&H (closed September 18, 2026).
- Combined purchase price of $775M for EnviroServe and ES&H, which are expected to add ~$340M of annual revenue and ~$87M of post-synergy Adjusted EBITDA (8.9x multiple).
- EnviroServe: Sandy, Utah-based, serves nearly 2,500 customers via 40 locations, permits in 48 states and 18 10-day transfer facilities.
- ES&H: Louisiana-based with 13 coastal service branches and the U.S. Coast Guard's highest Oil Spill Response Organization classification.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/822818/000082281826000042/0000822818-26-000042-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/822818/000082281826000042/clh-20261001.htm
  HTML page:      https://secwatch.observer/filing/0000822818-26-000042

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer