Clean Harbors, Inc (CLH)
NYSE: CLH · Hazardous Waste Management · Norwell, MA · filing with the SEC since 1994
Grade6.6
◀ Past 7.5● Present 7.0▶ Future 5.1
Who runs Clean Harbors, Inc
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Gerstenberg Eric W
CO-CEO. First filing May 2006, latest Aug 18, 2026, 22 filings in all.
Officers reporting now
11
of 21 people with a filing in the last fifteen months
Directors reporting now
10
42 people on the record since 2006
Officerssales are open-market, Nov 10, 2025 to Nov 10, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Geer Charles H. II | EVP, Industrial Services | Jul 2025 | Nov 3, 2026 | none |
| Gerstenberg Eric W | CO-CEO | May 2006 | Aug 18, 2026 | 6 · $2.9M |
| Dugas Eric J. | EVP CHIEF FINANCIAL OFFICER | Jan 2016 | Aug 14, 2026 | 2 · $1.6M |
| Battles Michael Louis | CO-CEO | Oct 2013 | Aug 12, 2026 | none |
| Curtis George L | EXEC. VICE PRESIDENT (CHESI) | May 2006 | Aug 11, 2026 | none |
| Mckim Alan S | EXEC CHAIR, CTO. | Jan 2006 | Jul 20, 2026 | 2 · $57.4M |
| Underwood Rebecca | PRESIDENT & EVP FACILITIES | Aug 2023 | Jul 6, 2026 | none |
| Gabriel Sharon M. | EVP/CIO (CHESI) | Oct 2018 | Jul 6, 2026 | 1 · $1.0M |
| Weber Brian P | EVP (CHESI) | Aug 2006 | Jul 6, 2026 | 1 · $1.4M |
| Diderich Jeroen | EVP&President of Sales&Service | Jun 2024 | Jun 3, 2026 | none |
| Harrison Robert W. | EVP, EHS | Nov 2022 | Mar 17, 2026 | none |
Directorssales are open-market, Nov 10, 2025 to Nov 10, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Reed Marcy L. | director | Sep 2021 | Nov 10, 2026 | 1 · $200,000 |
| Polito Karyn | director | Mar 2023 | Nov 2, 2026 | none |
| Robertson Andrea | director | Apr 2006 | Aug 3, 2026 | 1 · $200,000 |
| States Lauren | director | Mar 2016 | May 27, 2026 | 1 · $200,000 |
| Galante Edward G | director | Sep 2010 | May 22, 2026 | none |
| Preston John T | director | Sep 2006 | May 22, 2026 | none |
| Quirk Alison A. | director | Sep 2022 | May 22, 2026 | none |
| Stewart Shelley Jr | director | Sep 2022 | May 22, 2026 | none |
| Welch John R. | director | Jun 2014 | May 22, 2026 | 1 · $200,000 |
| Willett Robert | director | Dec 2019 | May 22, 2026 | none |
Earlier names on the record21, newest filing first
Speights Robert · officer · last filing May 2025Mansy Loan Nguyen · officer · last filing Aug 2023Banucci Eugene G · director · last filing Jun 2023Mcduffie Melkeya · officer · last filing May 2023Twohig Michael J · officer · last filing Mar 2023Shields Thomas J · director · last filing May 2022Knapp Jeffrey Herbert · officer · last filing Dec 2021Marlin Rod · director · last filing May 2021Johnston Robert A. · officer · last filing Jan 2021Vergo David J. · officer · last filing May 2019Parry David M · officer · last filing Sep 2018Kraus Eric A · officer · last filing Sep 2018Cowan Grace · officer · last filing Sep 2018Bouldin Mark G. · officer · last filing Jun 2018Lefebvre Marvin G · officer · last filing Dec 2017Mohan Stephen M. · officer · last filing Oct 2016Rutledge James M · officer · last filing Sep 2016Duffee Kirk · officer · last filing Sep 2016Melocik Christopher P. · officer · last filing Sep 2016Mccarthy Daniel James · director · last filing Jun 2016Lindgren Eric R. · officer · last filing Jan 2016
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.