Clean Harbors Announces Agreement to Acquire EnviroServe

What Happened
On August 12, 2026 Clean Harbors, Inc. (CLH) announced that it has entered into an agreement to acquire EnviroServe. The company furnished a press release about the agreement as Exhibit 99.1 to a Form 8-K (Item 8.01 Other Events), which is incorporated by reference into the filing.

Key Details

• Filing date: August 12, 2026 (Current Report on Form 8-K).
• Event reported under Item 8.01: Other Events (agreement to acquire EnviroServe).
• Press release: furnished as Exhibit 99.1 to the Form 8-K (dated August 12, 2026).
• The Form 8-K does not disclose purchase price, financial terms, or a closing date for the transaction.

Why It Matters
This 8-K notifies investors that Clean Harbors has agreed to acquire another company (EnviroServe). The filing itself provides the announcement but no financial or timing details; investors should watch for follow-up SEC filings (additional 8-Ks, or disclosures in quarterly/annual reports) that would disclose purchase terms, expected financial impact, or closing information.