# EDGAR Filing Document

**Accession Number:** 0000822818
**File Stem:** 0000822818-26-000015
**Filing Date:** 2026-4
**Character Count:** 2902
**Document Hash:** ef38e243326c43216f4d21b35a6f880f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000822818-26-000015.hdr.sgml**: 20260410

**ACCESSION NUMBER**: 0000822818-26-000015

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 6

**FILED AS OF DATE**: 20260410

**DATE AS OF CHANGE**: 20260410

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CLEAN HARBORS INC
- **CENTRAL INDEX KEY:** 0000822818
- **STANDARD INDUSTRIAL CLASSIFICATION:** HAZARDOUS WASTE MANAGEMENT [4955]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 042997780
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-34223
- **FILM NUMBER:** 26854452

**BUSINESS ADDRESS:**
- **STREET 1:** 42 LONGWATER DRIVE
- **STREET 2:** P.O. BOX 9149
- **CITY:** NORWELL
- **STATE:** MA
- **ZIP:** 02061-9149
- **BUSINESS PHONE:** 781-792-5000

**MAIL ADDRESS:**
- **STREET 1:** 42 LONGWATER DRIVE
- **CITY:** NORWELL
- **STATE:** MA
- **ZIP:** 02061-9149

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**SCHEDULE 14A**

Proxy Statement Pursuant to Section 14(a) of

the Securities Exchange Act of 1934 (Amendment No.)

&nbsp;&nbsp;&nbsp;&nbsp;![proxycheckboximagea.jpg](proxycheckboximagea.jpg)Filed by the Registrant&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;![proxyuncheckimagea.jpg](proxyuncheckimagea.jpg) Filed by a Party other than the Registrant

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| **Check the appropriate box:** | **Check the appropriate box:** |
| ![proxyuncheckimagea.jpg](proxyuncheckimagea.jpg) | Preliminary Proxy Statement |
| ![proxyuncheckimagea.jpg](proxyuncheckimagea.jpg) | **Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))** |
| ![proxyuncheckimagea.jpg](proxyuncheckimagea.jpg) | Definitive Proxy Statement |
| ![proxycheckboximagea.jpg](proxycheckboximagea.jpg) | Definitive Additional Materials |
| ![proxyuncheckimagea.jpg](proxyuncheckimagea.jpg) | Soliciting Material under §240.14a-12 |

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**Clean Harbors, Inc.**

![clhlogoa.jpg](clhlogoa.jpg)

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|:---|
| (Name of Registrant as Specified In Its Charter) |
| (Name of Person(s) Filing Proxy Statement, if other than the Registrant) |

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| | |
|:---|:---|
| **Payment of Filing Fee (Check all the boxes that apply):** | **Payment of Filing Fee (Check all the boxes that apply):** |
| ![proxycheckboximagea.jpg](proxycheckboximagea.jpg) | No fee required. |
| ![proxyuncheckimagea.jpg](proxyuncheckimagea.jpg) | **Fee paid previously with preliminary materials.** |
| ![proxyuncheckimagea.jpg](proxyuncheckimagea.jpg) | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11. |

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![cleanharborsinc_autoxregxn.jpg](cleanharborsinc_autoxregxn.jpg)

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![cleanharborsinc_autoxregxna.jpg](cleanharborsinc_autoxregxna.jpg)

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