StockData
CLHNYSEHazardous Waste ManagementFiscal year ends December 31

CLEAN HARBORS INC

Financials through Q1 FY2026, quarter ended Mar 31, 2026Last filing: 10-Q on Jul 29, 2026
$316.61−3.45 (-1.08%)

Close on Oct 19, 2026

Market cap
$16.78B
P/E (TTM)
42.8
Dividend yield
–

About Clean Harbors

Hazardous Waste Management, SIC 4955

Clean Harbors, Inc. supplies environmental and industrial services across North America, operating through its Environmental Services and Safety-Kleen Sustainability Solutions segments. The company collects, transports, treats, recycles, and disposes of hazardous and non-hazardous waste, while also offering emergency spill response, industrial cleaning, maintenance, PFAS remediation, and specialized parts-washer services. In addition, it collects used motor oil and fluids to re-refine into base oils, recycled lubricants, and vacuum gas oil. The firm serves commercial, public, and industrial clients spanning manufacturing, automotive, chemical, refining, utility, and retail sectors.

Operating throughout the United States and Canada, the organization maintains more than 100 waste disposal facilities, over 150 emergency response sites, and a fleet of more than 20,000 vehicles. Its disposal infrastructure includes ten commercial incinerators, seven landfills, twelve wastewater treatment centers, and multiple transfer and storage facilities. Corporate headquarters are situated in Norwell, Massachusetts.

Summary of the business section of Clean Harbors's latest annual report, written by StockData.

Company profile

Company

Legal name
CLEAN HARBORS INC
Founded
1980
Headquarters
Norwell, MA
Address
42 Longwater Drive, P.O. Box 9149 02061-9149
Phone
(781) 792-5000
Employees
22,155, Dec 31, 2025
Industry
Hazardous Waste Management
Incorporated in
Massachusetts
Fiscal year ends
December 31
Auditor
Deloitte & Touche LLP, Boston, Massachusetts

Stock & identifiers

Ticker
CLH
Exchange
NYSE
Shares outstanding
53M, Jul 24, 2026
Public float
$11.70B, Jun 30, 2025
Filer category
Large accelerated filer
Stock splits
2-for-1, Jul 27, 2011; 2-for-1, Jun 30, 2011
SEC CIK
822818
CUSIP
184496107
ISIN
US1844961078
LEI
5493000SJVZVZJKHJF48
EIN
04-2997780

Executives and directors

Officers and directors who filed ownership reports (Forms 3, 4, 5) in the last two years

NamePositionShares owned
Michael Louis BattlesCO-CEO, Director94,355
Alan S. McKimEXEC CHAIR, CTO., Director2,262,615
Eric W. GerstenbergCO-CEO56,793
Eric J. DugasEVP CHIEF FINANCIAL OFFICER17,620
George L. CurtisEXEC. VICE PRESIDENT (CHESI)44,291
Sharon M. GabrielEVP/CIO (CHESI)20,706
Rebecca UnderwoodPRESIDENT & EVP FACILITIES18,373
Charles H. Geer IIEVP, Industrial Services10,799
Brian P. WeberEVP (CHESI)47,914
Jeroen DiderichEVP&President of Sales&Service16,152
Robert W. HarrisonEVP, EHS7,016
Robert SpeightsPRESIDENT, INDUSTRIAL SERVICES16,310
Andrea RobertsonDirector8,979
Lauren StatesDirector11,359
John R. WelchDirector10,889
Marcy L. ReedDirector5,733
Karyn PolitoDirector4,127
Robert WillettDirector10,028
Edward G. GalanteDirector25,461
John T. PrestonDirector7,044
Shelley Stewart JRDirector4,523
Alison A. QuirkDirector3,630

CEO pay and shareholder return

Pay versus performance table from the proxy statement

Fiscal yearCEO total payCEO pay actually paidOther executives (avg)Value of $100 investedPeer group
FY2025
Eric W.Gerstenberg
$5.93M$6.06M$2.14M$308$178
FY2025
Michael L.Battles
$5.93M$6.04M$2.14M$308$178
FY2024
Eric W.Gerstenberg
$5.28M$8.21M$2.40M$302$165
FY2024
Michael L.Battles
$5.29M$8.06M$2.40M$302$165
FY2023
Alan S.Mc Kim
$2.30M$3.62M$1.34M$229$140
FY2023
Eric W.Gerstenberg
$4.94M$10.25M$1.34M$229$140

“Actually paid” adjusts reported pay for changes in the value of equity awards. Shareholder return assumes $100 invested at the start of the measurement period, as disclosed by the company.

Employees

Headcount reported in annual reports

“As of December 31, 2025, we employed 22,155 active full-time employees, of which 1,616 in the United States and 642 in Canada were represented by labor unions.”

Corporate history

Events identified from SEC filings

DateEventDetails
Oct 12, 2021Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
Feb 28, 2018Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
May 9, 2016MergerRegistration of securities for a merger or exchange offer (S-4)
Jul 10, 2015Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
Apr 3, 2013MergerRegistration of securities for a merger or exchange offer (S-4)
Mar 1, 2013Late filingNotification of late filing
Jan 4, 2013Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
Aug 30, 2012MergerRegistration of securities for a merger or exchange offer (S-4)
Jul 15, 2011MergerRegistration of securities for a merger or exchange offer (S-4)
Jun 16, 2011Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
Oct 6, 2009MergerRegistration of securities for a merger or exchange offer (S-4)
Aug 3, 2009Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
Dec 15, 2008DelistingNotice of delisting from exchange (Form 25)
Dec 11, 2008ListingRegistration of securities on an exchange (Form 8-A)
Dec 3, 2008Listing noticeNotice of delisting or failure to satisfy a listing rule (8-K Item 3.01)
Feb 29, 2008Late filingNotification of late filing
Nov 13, 2006Late filingNotification of late filing
Aug 24, 2006Acquisition / saleCompletion of acquisition or disposition of assets (8-K Item 2.01)
Mar 17, 2006Late filingNotification of late filing
Oct 5, 2005Auditor changeChange in certifying accountant (8-K Item 4.01)
Jun 28, 2005MergerRegistration of securities for a merger or exchange offer (S-4)
Mar 17, 2005Late filingNotification of late filing
Nov 17, 2003Late filingNotification of late filing
May 16, 2003Late filingNotification of late filing
Apr 1, 2003Late filingNotification of late filing
Nov 15, 2002Late filingNotification of late filing
Apr 2, 2001Late filingNotification of late filing
Feb 14, 1995DeregistrationTermination of SEC registration (Form 15)