Clean Harbors, Inc. filed a Form 8-K with the SEC on August 12, 2026, disclosing that the company has entered into an agreement to acquire EnviroServe.

Key Highlights

  • Acquisition Agreement: Clean Harbors disclosed an agreement to acquire EnviroServe, according to the filing.
  • Announcement Date: The press release announcing the agreement was issued on August 12, 2026.
  • Exchange and Ticker: Clean Harbors common stock ($0.01 par value) trades on the New York Stock Exchange under the symbol CLH (NYSE:CLH).
  • Signatory: The filing was signed by Eric J. Dugas, Executive Vice President and Chief Financial Officer.
  • Press Release Filed as Exhibit: The full press release is furnished as Exhibit 99.1 to the Current Report.

Clean Harbors Discloses EnviroServe Acquisition Agreement in August 2026 Filing

Clean Harbors, Inc. (NYSE:CLH), a Massachusetts-incorporated environmental services company headquartered at 42 Longwater Drive, Norwell, MA, reported the agreement to acquire EnviroServe through a Current Report filed on August 12, 2026. The disclosure was made under Item 8.01 (Other Events) of the Form 8-K, with the company stating that a press release was issued the same day to announce the transaction.

According to the filing, the press release containing the details of the acquisition agreement is furnished as Exhibit 99.1 and is incorporated by reference into the Current Report. The filing itself does not disclose the financial terms, purchase price, or timeline associated with the acquisition of EnviroServe. No additional operational or financial information about EnviroServe or the transaction structure is contained within the body of the 8-K filing.

The report was signed on behalf of Clean Harbors, Inc. by Eric J. Dugas in his capacity as Executive Vice President and Chief Financial Officer. The company indicated it is not an emerging growth company, and none of the special communication checkboxes under Rule 425, Rule 14a-12, or Rule 14d-2(b) were marked, according to the filing.

What Was Disclosed

Clean Harbors, Inc. filed an 8-K on August 12, 2026, reporting its agreement to acquire EnviroServe. The substantive details of the agreement are contained in Exhibit 99.1, a press release dated August 12, 2026, which is incorporated by reference.