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Clean Harbors Inc (CLH)

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Insider transactions

A complete record of Form 4 filings tracking every share acquisition and disposal by executives, directors, and senior officers. Filterable by date range and transaction type, the table exposes the direct market actions of those with the deepest knowledge of a company's operations — providing a factual, data-driven signal of internal conviction that complements traditional fundamental and technical analysis.

Transaction date
Executive
Executive Title
Security Type
Acquisition / Disposal
Shares
Share price
Aug 14, 2026GERSTENBERG, ERIC WCO-CEOCommon StockDisposal2,500321.34
Aug 3, 2026ROBERTSON, ANDREADirectorCommon StockDisposal789314.01
Jul 17, 2026MCKIM, ALAN SDirector, EXEC CHAIR, CTO.Common StockDisposal1,265310.58
Jul 1, 2026GERSTENBERG, ERIC WCO-CEOCommon StockDisposal564290.74
Jul 1, 2026DUGAS, ERIC J.EVP CHIEF FINANCIAL OFFICERCommon StockDisposal447290.74
Jul 1, 2026UNDERWOOD, REBECCAPRESIDENT & EVP FACILITIESCommon StockDisposal311290.74
Jul 1, 2026MCKIM, ALAN SDirector, EXEC CHAIR, CTO.Common StockDisposal1,343290.74
Jul 1, 2026GEER, CHARLES H. IIEVP, Industrial ServicesCommon StockDisposal40290.74
Jul 1, 2026GABRIEL, SHARON M.EVP/CIO (CHESI)Common StockDisposal359290.74
Jul 1, 2026WEBER, BRIAN PEVP (CHESI)Common StockDisposal814290.74
Jul 1, 2026BATTLES, MICHAEL LOUISDirector, CO-CEOCommon StockDisposal1,032290.74
Jul 1, 2026CURTIS, GEORGE LEXEC. VICE PRESIDENT (CHESI)Common StockDisposal1,757290.74
Jun 1, 2026DIDERICH, JEROENEVP&President of Sales&ServiceCommon StockDisposal1,717281
May 26, 2026STATES, LAURENDirectorCommon StockDisposal789286.19
May 20, 2026PRESTON, JOHN TDirectorCommon StockAcquisition6520
May 20, 2026PRESTON, JOHN TDirectorCommon StockAcquisition6520
May 20, 2026WELCH, JOHN R.DirectorCommon StockAcquisition6520
May 20, 2026WELCH, JOHN R.DirectorCommon StockAcquisition6520
May 20, 2026QUIRK, ALISON A.DirectorCommon StockAcquisition6520
May 20, 2026QUIRK, ALISON A.DirectorCommon StockAcquisition6520
May 20, 2026STEWART, SHELLEY JRDirectorCommon StockAcquisition6520
May 20, 2026POLITO, KARYNDirectorCommon StockAcquisition6520
May 20, 2026POLITO, KARYNDirectorCommon StockAcquisition6520
May 20, 2026ROBERTSON, ANDREADirectorCommon StockAcquisition6520
May 20, 2026WILLETT, ROBERTDirectorCommon StockAcquisition6520
May 20, 2026REED, MARCY L.DirectorCommon StockAcquisition6520
May 20, 2026REED, MARCY L.DirectorCommon StockAcquisition6520
May 20, 2026STATES, LAURENDirectorCommon StockAcquisition6520
May 20, 2026STATES, LAURENDirectorCommon StockAcquisition6520
May 20, 2026GALANTE, EDWARD GDirectorCommon StockAcquisition6520
May 20, 2026GALANTE, EDWARD GDirectorCommon StockAcquisition6520
May 11, 2026POLITO, KARYNDirectorCommon StockAcquisition460295.13
May 11, 2026ROBERTSON, ANDREADirectorCommon StockDisposal3420
Mar 18, 2026REED, MARCY L.DirectorCommon StockDisposal836287.94
Mar 18, 2026GERSTENBERG, ERIC WCO-CEOCommon StockDisposal1,000293
Mar 17, 2026WEBER, BRIAN PEVP (CHESI)Common StockDisposal4,683293.39
Mar 13, 2026GABRIEL, SHARON M.EVP/CIO (CHESI)Common StockDisposal727288.93
Mar 13, 2026GEER, CHARLES H. IIEVP, Industrial ServicesCommon StockDisposal1390
Mar 13, 2026BATTLES, MICHAEL LOUISDirector, CO-CEOCommon StockDisposal1,148288.93
Mar 13, 2026GERSTENBERG, ERIC WCO-CEOCommon StockDisposal2,1660
Mar 13, 2026UNDERWOOD, REBECCAPRESIDENT & EVP FACILITIESCommon StockDisposal1,4010
Mar 13, 2026WEBER, BRIAN PEVP (CHESI)Common StockDisposal960288.93
Mar 13, 2026CURTIS, GEORGE LEXEC. VICE PRESIDENT (CHESI)Common StockDisposal1,0280
Mar 13, 2026CURTIS, GEORGE LEXEC. VICE PRESIDENT (CHESI)Common StockDisposal350288.93
Mar 13, 2026HARRISON, ROBERT W.EVP, EHSCommon StockDisposal18288.93
Mar 13, 2026HARRISON, ROBERT W.EVP, EHSCommon StockDisposal3680
Mar 13, 2026GABRIEL, SHARON M.EVP/CIO (CHESI)Common StockDisposal1,4010
Mar 13, 2026MCKIM, ALAN SDirector, EXEC CHAIR, CTO.Common StockDisposal1,265288.93
Mar 13, 2026DUGAS, ERIC J.EVP CHIEF FINANCIAL OFFICERCommon StockDisposal630288.93
Mar 13, 2026DUGAS, ERIC J.EVP CHIEF FINANCIAL OFFICERCommon StockDisposal1,3240
Mar 13, 2026GERSTENBERG, ERIC WCO-CEOCommon StockDisposal977288.93
Mar 13, 2026BATTLES, MICHAEL LOUISDirector, CO-CEOCommon StockDisposal2,1660
Mar 13, 2026UNDERWOOD, REBECCAPRESIDENT & EVP FACILITIESCommon StockDisposal125288.93
Mar 13, 2026WEBER, BRIAN PEVP (CHESI)Common StockDisposal1,8690
Mar 4, 2026MCKIM, ALAN SDirector, EXEC CHAIR, CTO.Common StockDisposal100,000292.65
Feb 23, 2026GERSTENBERG, ERIC WCO-CEOCommon StockDisposal2,500279.86
Feb 20, 2026GABRIEL, SHARON M.EVP/CIO (CHESI)Common StockDisposal3,540282.07
Feb 20, 2026DUGAS, ERIC J.EVP CHIEF FINANCIAL OFFICERCommon StockDisposal2,788281.31
Feb 19, 2026WELCH, JOHN R.DirectorCommon StockDisposal750273.07
Feb 19, 2026MCKIM, ALAN SDirector, EXEC CHAIR, CTO.Common StockDisposal100,000281.14
Feb 19, 2026MCKIM, ALAN SDirector, EXEC CHAIR, CTO.Common StockDisposal10,0000
Feb 2, 2026DUGAS, ERIC J.EVP CHIEF FINANCIAL OFFICERCommon StockDisposal567259.91
Feb 2, 2026WEBER, BRIAN PEVP (CHESI)Common StockDisposal1,394259.91
Feb 2, 2026CURTIS, GEORGE LEXEC. VICE PRESIDENT (CHESI)Common StockDisposal249259.91
Feb 2, 2026HARRISON, ROBERT W.EVP, EHSCommon StockDisposal184259.91
Feb 2, 2026GEER, CHARLES H. IIEVP, Industrial ServicesCommon StockDisposal197259.91
Feb 2, 2026GABRIEL, SHARON M.EVP/CIO (CHESI)Common StockDisposal508259.91
Feb 2, 2026UNDERWOOD, REBECCAPRESIDENT & EVP FACILITIESCommon StockDisposal425259.91
Feb 2, 2026DIDERICH, JEROENEVP&President of Sales&ServiceCommon StockDisposal105259.91
Feb 2, 2026BATTLES, MICHAEL LOUISDirector, CO-CEOCommon StockDisposal5,205259.91
Feb 2, 2026GERSTENBERG, ERIC WCO-CEOCommon StockDisposal4,934259.91
Feb 1, 2026DUGAS, ERIC J.EVP CHIEF FINANCIAL OFFICERCommon StockAcquisition1,0220
Feb 1, 2026UNDERWOOD, REBECCAPRESIDENT & EVP FACILITIESCommon StockAcquisition8380
Feb 1, 2026HARRISON, ROBERT W.EVP, EHSCommon StockAcquisition4300
Feb 1, 2026GERSTENBERG, ERIC WCO-CEOCommon StockAcquisition10,6900
Feb 1, 2026BATTLES, MICHAEL LOUISDirector, CO-CEOCommon StockAcquisition10,2900
Feb 1, 2026DIDERICH, JEROENEVP&President of Sales&ServiceCommon StockAcquisition1,0470
Feb 1, 2026WEBER, BRIAN PEVP (CHESI)Common StockAcquisition1,0560
Feb 1, 2026UNDERWOOD, REBECCAPRESIDENT & EVP FACILITIESCommon StockAcquisition2,5130
Feb 1, 2026GABRIEL, SHARON M.EVP/CIO (CHESI)Common StockAcquisition5660
Feb 1, 2026HARRISON, ROBERT W.EVP, EHSCommon StockAcquisition1,0030
Feb 1, 2026GERSTENBERG, ERIC WCO-CEOCommon StockAcquisition10,2900
Feb 1, 2026BATTLES, MICHAEL LOUISDirector, CO-CEOCommon StockAcquisition10,6900
Feb 1, 2026GEER, CHARLES H. IIEVP, Industrial ServicesCommon StockAcquisition1,8430
Feb 1, 2026DUGAS, ERIC J.EVP CHIEF FINANCIAL OFFICERCommon StockAcquisition3,0660
Feb 1, 2026WEBER, BRIAN PEVP (CHESI)Common StockAcquisition3,1660
Feb 1, 2026GEER, CHARLES H. IIEVP, Industrial ServicesCommon StockAcquisition5030
Feb 1, 2026GABRIEL, SHARON M.EVP/CIO (CHESI)Common StockAcquisition2,0730
Feb 1, 2026DIDERICH, JEROENEVP&President of Sales&ServiceCommon StockAcquisition3,1410
Jan 2, 2026GABRIEL, SHARON M.EVP/CIO (CHESI)Common StockDisposal525234.48
Dec 17, 2025WELCH, JOHN R.DirectorCommon StockDisposal4150
Dec 16, 2025GERSTENBERG, ERIC WCO-CEOCommon StockDisposal601240.9
Dec 15, 2025HARRISON, ROBERT W.EVP, EHSCommon StockDisposal16240.71
Dec 15, 2025UNDERWOOD, REBECCAPRESIDENT & EVP FACILITIESCommon StockDisposal51240.71
Dec 15, 2025GEER, CHARLES H. IIEVP, Industrial ServicesCommon StockDisposal28240.71
Dec 9, 2025CURTIS, GEORGE LEXEC. VICE PRESIDENT (CHESI)Common StockDisposal1,0000
Dec 1, 2025HARRISON, ROBERT W.EVP, EHSCommon StockDisposal122228.54
Nov 13, 2025STATES, LAURENDirectorCommon StockDisposal2450
Nov 1, 2025GEER, CHARLES H. IIEVP, Industrial ServicesCommon StockDisposal294210.51