MetaCap

Clean Harbors Insider Trades

NYSE: CLHIndustrialsEnvironmental ServicesUSD

316.93-0.41 (-0.13%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

After hours: 316.93 0.00%

Last 12 months

Purchases
1 · $135.76K
Sales
9 · $4.96M
Shares bought / sold
460 / 16.89K
Net activity
Net selling $4.8 million

Clean Harbors insider activity

Over the last 12 months, Clean Harbors insiders reported 47 transactions on SEC Form 4: 1 open-market purchase and 9 sales. Insiders bought $135,760 and sold $5.0 million worth of stock, for net insider selling of $4.8 million. The largest seller was GERSTENBERG ERIC W, with $2.1 million in reported sales.

The most recent filing shows GERSTENBERG ERIC W (CO-CEO) selling 2,500 shares at $321.34 on Aug 14, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put CLH's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

CLH insider transactions

Clean Harbors insider transactions
DateInsiderTypeSharesValueFiling
Aug 14, 2026GERSTENBERG ERIC WCO-CEOSale2,500$803.35KForm 4
Aug 3, 2026Robertson AndreaDirectorSale789$247.75KForm 4
Jul 17, 2026MCKIM ALAN SEXEC CHAIR, CTO.Tax withholding1,265$392.88KForm 4
Jul 1, 2026Geer Charles H. IIEVP, Industrial ServicesTax withholding40$11.63KForm 4
Jul 1, 2026GERSTENBERG ERIC WCO-CEOTax withholding564$163.98KForm 4
Jul 1, 2026Underwood RebeccaPRESIDENT & EVP FACILITIESTax withholding311$90.42KForm 4
Jul 1, 2026Dugas Eric J.EVP CHIEF FINANCIAL OFFICERTax withholding447$129.96KForm 4
Jul 1, 2026Weber Brian PEVP (CHESI)Tax withholding814$236.66KForm 4
Jul 1, 2026Gabriel Sharon M.EVP/CIO (CHESI)Tax withholding359$104.38KForm 4
Jul 1, 2026MCKIM ALAN SEXEC CHAIR, CTO.Tax withholding1,343$390.46KForm 4
Jul 1, 2026CURTIS GEORGE LEXEC. VICE PRESIDENT (CHESI)Tax withholding1,757$510.83KForm 4
Jul 1, 2026Battles Michael LouisCO-CEOTax withholding1,032$300.04KForm 4
Jul 1, 2026Dugas Eric J.EVP CHIEF FINANCIAL OFFICERTax withholding447$129.96KForm 4
Jul 1, 2026GERSTENBERG ERIC WCO-CEOTax withholding564$163.98KForm 4
Jun 1, 2026Diderich JeroenEVP&President of Sales&ServiceTax withholding1,717$482.48KForm 4
May 26, 2026States LaurenDirectorSale789$225.80KForm 4
May 20, 2026Polito KarynDirectorAward652—Form 4
May 20, 2026PRESTON JOHN TDirectorAward652—Form 4
May 20, 2026Quirk Alison A.DirectorAward652—Form 4
May 20, 2026Stewart Shelley JRDirectorAward652—Form 4
May 20, 2026GALANTE EDWARD GDirectorAward652—Form 4
May 20, 2026Reed Marcy L.DirectorAward652—Form 4
May 20, 2026Welch John R.DirectorAward652—Form 4
May 20, 2026Robertson AndreaDirectorAward652—Form 4
May 20, 2026States LaurenDirectorAward652—Form 4
May 20, 2026Willett RobertDirectorAward652—Form 4
May 11, 2026Robertson AndreaDirectorGift342—Form 4
May 11, 2026Polito KarynDirectorAward460$135.76KForm 4
May 11, 2026Polito KarynDirectorBuy460$135.76KForm 4
Mar 18, 2026Reed Marcy L.DirectorSale836$240.72KForm 4
Mar 18, 2026GERSTENBERG ERIC WCO-CEOSale1,000$293.00KForm 4
Mar 18, 2026GERSTENBERG ERIC WCO-CEOSale1,000$293.00KForm 4
Mar 17, 2026Weber Brian PEVP (CHESI)Sale4,683$1.37MForm 4
Mar 13, 2026GERSTENBERG ERIC WCO-CEODisposition2,166—Form 4
Mar 13, 2026GERSTENBERG ERIC WCO-CEOTax withholding977$282.28KForm 4
Mar 13, 2026Underwood RebeccaPRESIDENT & EVP FACILITIESDisposition1,401—Form 4
Mar 13, 2026Underwood RebeccaPRESIDENT & EVP FACILITIESTax withholding125$36.12KForm 4
Mar 13, 2026Weber Brian PEVP (CHESI)Disposition1,869—Form 4
Mar 13, 2026Weber Brian PEVP (CHESI)Tax withholding960$277.37KForm 4
Mar 13, 2026Gabriel Sharon M.EVP/CIO (CHESI)Disposition1,401—Form 4
Mar 13, 2026Gabriel Sharon M.EVP/CIO (CHESI)Tax withholding727$210.05KForm 4
Mar 13, 2026Dugas Eric J.EVP CHIEF FINANCIAL OFFICERDisposition1,324—Form 4
Mar 13, 2026Dugas Eric J.EVP CHIEF FINANCIAL OFFICERTax withholding630$182.03KForm 4
Mar 13, 2026GERSTENBERG ERIC WCO-CEODisposition2,166—Form 4
Mar 13, 2026GERSTENBERG ERIC WCO-CEOTax withholding977$282.28KForm 4
Feb 23, 2026GERSTENBERG ERIC WCO-CEOSale2,500$699.65KForm 4
Feb 20, 2026Dugas Eric J.EVP CHIEF FINANCIAL OFFICERSale2,788$784.29KForm 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

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