secwatch.observer — SEC 8-K summary
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Issuer:     CLEAN HARBORS INC (CLH)
CIK:        0000822818
Form:       8-K
Filed at:   2026-05-14T14:55:52+00:00
Accession:  0000822818-26-000024
Event type: m_and_a
Sentiment:  positive
Materiality: 0.75
Item codes: 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Clean Harbors acquires Terra Nova Solutions for $225M all-cash
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- $225M all-cash acquisition of Terra Nova, a regional hazardous waste provider with 5 sites in the Carolinas.
- Terra Nova expected to generate $45-50M annual revenue and ~$15M Adjusted EBITDA.
- Clean Harbors anticipates ~$4M annual synergies, implying a post-synergy multiple of 11.8x.
- Acquisition adds 150 specialized trucks/tankers and 100+ employees; enhances Technical Services and Field Services.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/822818/000082281826000024/0000822818-26-000024-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/822818/000082281826000024/clh-20260514.htm
  HTML page:      https://secwatch.observer/filing/0000822818-26-000024

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