Clean Harbors Files 8-K: Other Events & Exhibits

TL;DR

Clean Harbors filed an 8-K on 9/26 for events on 9/25. Check for updates.

AI Summary

Clean Harbors, Inc. filed an 8-K on September 26, 2025, reporting an event that occurred on September 25, 2025. The filing pertains to "Other Events" and "Financial Statements and Exhibits." The company is incorporated in Massachusetts and its principal executive offices are located at 42 Longwater Drive, Norwell, MA.

Why It Matters

This 8-K filing indicates that Clean Harbors, Inc. has reported significant events or submitted financial exhibits, which could impact investor understanding of the company's current operations and financial standing.

Risk Assessment

Risk Level: low — This filing is a routine 8-K report and does not appear to disclose any immediate material adverse events.

Key Players & Entities

• CLEAN HARBORS, INC. (company) — Registrant
• September 25, 2025 (date) — Date of earliest event reported
• September 26, 2025 (date) — Date of report
• 42 Longwater Drive, Norwell MA 02061-9149 (address) — Principal Executive Offices

FAQ

Key Financial Figures

• $0.01 — nge on which registered Common Stock, $0.01 par value CLH New York Stock Exchange

Filing Documents

• clh-20250925.htm (8-K) — 28KB
• clh-notesofferinglaunchrel.htm (EX-99.1) — 15KB
• clh-notesofferingpricingre.htm (EX-99.2) — 15KB
• image.jpg (GRAPHIC) — 10KB
• 0000822818-25-000034.txt ( ) — 194KB
• clh-20250925.xsd (EX-101.SCH) — 2KB
• clh-20250925_lab.xml (EX-101.LAB) — 21KB
• clh-20250925_pre.xml (EX-101.PRE) — 12KB
• clh-20250925_htm.xml (XML) — 3KB

01. Other Events

Item 8.01. Other Events. On September 25, 2025, Clean Harbors, Inc. (the "Company") issued a press release announcing that it had commenced a private offering of senior notes due 2033 to persons reasonably believed to be "qualified institutional buyers" in the United States, as defined in Rule 144A under the Securities Act of 1933, as amended (the "Securities Act"), and to certain non-U.S. persons outside the United States in offshore transactions pursuant to Regulation S under the Securities Act. On September 25, 2025, the Company issued a press release announcing the pricing of its previously announced offering of 5.750% senior notes due 2033 (the "Notes"). Copies of the press releases are attached as Exhibit 99.1 and 99.2 to this Current Report on Form 8-K and are incorporated by reference into this Item 8.01. Neither this Current Report on Form 8-K nor the press releases constitute an offer to sell, or the solicitation of an offer to buy, the Notes.

01. Financial Statements and Exhibits

Item 9.01. Financial Statements and Exhibits. (d) Exhibits Exhibit Number Description 99.1 Press release of the Company relating to the announcement of the offering, dated September 25, 2025 99.2 Press release of the Company relating to the pricing of the offering, dated September 25, 2025 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) 1

SIGNATURES

SIGNATURES Pursuant to the requirements of the Securities and Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Clean Harbors, Inc. (Registrant) September 25, 2025 /s/ Eric J. Dugas Executive Vice President and Chief Financial Officer 2

View Full Filing

View this 8-K filing on SEC EDGAR