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Clean Harbors Inc

CLH
Exchange
NYSE
Industry
Hazardous Waste Management
SEC CIK
0000822818

In the last 90 days, Clean Harbors Inc insiders filed 0 open-market purchases and 5 sales; 663 institutions reported holding it in 13F filings for Q2 2026, worth $14.8B in total; D1 Capital Partners is the only superinvestor holding it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Clean Harbors Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
5 filings
3 insiders, $2.83M in total
Insiders trading
3
Net value
−$2.83M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Clean Harbors Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Clean Harbors Inc
NameTitleLast reported holdingLast filingFilings, past year
Gerstenberg Eric WCO-CEO56,793Aug 18, 20267
Dugas Eric J.EVP CHIEF FINANCIAL OFFICER17,620Aug 14, 20264
Battles Michael LouisCO-CEO94,355Aug 12, 20263
Curtis George LEXEC. VICE PRESIDENT (CHESI)44,291Aug 11, 20264
Robertson AndreaDirector8,979Aug 3, 20263
McKim Alan SEXEC CHAIR, CTO.30,154Jul 20, 20265
Gabriel Sharon M.EVP/CIO (CHESI)20,706Jul 6, 20265
Weber Brian PEVP (CHESI)47,914Jul 6, 20263
Underwood RebeccaPRESIDENT & EVP FACILITIES18,373Jul 6, 20264
Geer Charles H. IIEVP, Industrial Services10,799Jul 6, 20265
Diderich JeroenEVP&President of Sales&Service16,152Jun 3, 20262
States LaurenDirector11,359May 27, 20263
Preston John TDirector7,044May 22, 20261
Galante Edward GDirector25,461May 22, 20261
Willett RobertDirector10,028May 22, 20261
Stewart Shelley JRDirector4,523May 22, 20261
Quirk Alison A.Director3,630May 22, 20261
Welch John R.Director10,889May 22, 20263
Reed Marcy L.Director5,733May 22, 20262
Polito KarynDirector4,127May 22, 20262
Harrison Robert W.EVP, EHS6,648Mar 17, 20264
Speights RobertPRESIDENT, INDUSTRIAL SERVICES16,310May 28, 20250
Banucci Eugene GDirector5,598Jun 12, 20230
McDuffie MelkeyaEVP, HUMAN RESOURCES OFFICER10,094May 26, 20230
Twohig Michael JEVP (CHESI)28,857Mar 29, 20230
Shields Thomas JDirector28,762May 26, 20220
Knapp Jeffrey HerbertEVP - HR (CHESI)2,853Dec 6, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 24, 2023 (view filing)Aug 231 dayCurtis George LEXEC. VICE PRESIDENT (CHESI)SSale−10.3K$171.54−$1.77M−17.6%48.1K after
Aug 17, 2023 (view filing)Aug 161 dayPreston John TDirectorSSale−2.10K$173.68−$363.9K−23.9%6.68K after
Aug 8, 2023 (view filing)Aug 8Same dayRobertson AndreaDirectorSSale−1.20K$169.08−$202.9K−10.1%10.7K after
Aug 4, 2023 (view filing)Aug 4Same dayBattles Michael LouisCO-CEOSSale−10.0K$171.00−$1.71M−11.8%74.5K after
Jul 6, 2023 (view filing)Jul 33 daysGabriel Sharon M.EVP/CIO (CHESI)SSale−557$164.43−$91.6K−2.2%25.3K after
Jul 6, 2023 (view filing)Jul 33 daysSpeights RobertPRESIDENT, INDUSTRIAL SERVICESSSale−825$164.43−$135.7K−2.0%40.6K after
Jul 6, 2023 (view filing)Jul 33 daysGerstenberg Eric WCO-CEOSSale−9.72K$164.43−$1.60M−11.1%77.5K after
Jul 6, 2023 (view filing)Jul 33 daysWeber Brian PEVP (CHESI)SSale−1.97K$164.43−$323.3K−2.8%67.9K after
Jul 6, 2023 (view filing)Jul 33 daysMcKim Alan SEXEC CHAIR, CTO.SSale−1.23K$164.43−$202.4K0.0%2.80M after
Jul 6, 2023 (view filing)Jul 33 daysDugas Eric J.SVP FINANCE, CONTROLLER & CAOSSale−898$164.43−$147.7K−3.0%28.6K after
Jul 6, 2023 (view filing)Jul 33 daysCurtis George LEXEC. VICE PRESIDENT (CHESI)SSale−717$164.43−$117.9K−1.2%58.4K after
Jul 6, 2023 (view filing)Jul 33 daysBattles Michael LouisCO-CEOSSale−6.47K$164.43−$1.06M−7.1%84.5K after
Jun 12, 2023 (view filing)Jun 93 daysGabriel Sharon M.EVP/CIO (CHESI)SSale−3.23K$155.71−$503.7K−11.1%25.8K after
Jun 12, 2023 (view filing)Jun 93 daysBanucci Eugene GDirectorSSale−5.02K$156.09−$783.6K−47.3%5.60K after
Jun 5, 2023 (view filing)Jun 23 daysWelch John R.DirectorSSale−1.00K$150.43−$150.4K−7.4%12.4K after
May 31, 2023 (view filing)May 265 daysBanucci Eugene GDirectorSSale−10.0K$144.59−$1.45M−48.5%10.6K after
May 30, 2023 (view filing)May 255 daysWeber Brian PEVP (CHESI)SSale−3.13K$142.63−$446.6K−4.3%69.8K after
May 26, 2023 (view filing)May 242 daysMcDuffie MelkeyaEVP, HUMAN RESOURCES OFFICERSSale−714$144.29−$103.0K−6.6%10.1K after
May 17, 2023 (view filing)May 15-162 daysMcKim Alan SEXEC CHAIR, CTO.SSale−70.0K$139.15−$9.74M−2.4%2.82M after2 lots
May 5, 2023 (view filing)May 41 dayStates LaurenDirectorSSale−510$136.13−$69.4K−3.7%13.4K after
Apr 4, 2023 (view filing)Apr 13 daysGabriel Sharon M.EVP/CIO (CHESI)SSale−196$142.56−$27.9K−0.7%29.1K after
Apr 4, 2023 (view filing)Apr 13 daysDugas Eric J.SVP FINANCE, CONTROLLER & CAOSSale−346$142.56−$49.3K−1.1%30.2K after
Mar 29, 2023 (view filing)Mar 272 daysTwohig Michael JEVP (CHESI)SSale−2.00K$134.42−$268.8K−6.5%28.9K after
Mar 17, 2023 (view filing)Mar 152 daysBattles Michael LouisEVP AND CFOSSale−644$133.07−$85.7K−0.7%90.9K after
Mar 17, 2023 (view filing)Mar 152 daysCurtis George LEXEC. VICE PRESIDENT (CHESI)SSale−221$133.07−$29.4K−0.4%59.1K after
Mar 17, 2023 (view filing)Mar 152 daysDugas Eric J.SVP FINANCE, CONTROLLER & CAOSSale−305$133.07−$40.6K−1.0%30.5K after
Mar 17, 2023 (view filing)Mar 152 daysGabriel Sharon M.EVP/CIO (CHESI)SSale−274$133.07−$36.5K−0.9%29.3K after
Mar 17, 2023 (view filing)Mar 152 daysGerstenberg Eric WCHIEF OPERATING OFFICER(CHESI)SSale−488$133.07−$64.9K−0.6%87.3K after
Mar 17, 2023 (view filing)Mar 152 daysMcDuffie MelkeyaEVP, HUMAN RESOURCES OFFICERSSale−231$133.07−$30.7K−2.1%10.8K after
Mar 17, 2023 (view filing)Mar 152 daysMcKim Alan SCHRMN.OF BD, PRES. & CEOSSale−1.16K$133.07−$154.5K0.0%2.99M after
Mar 17, 2023 (view filing)Mar 152 daysSpeights RobertPRESIDENT, INDUSTRIAL SERVICESSSale−1.36K$133.07−$181.4K−3.2%41.4K after
Mar 17, 2023 (view filing)Mar 152 daysTwohig Michael JEVP (CHESI)SSale−290$133.07−$38.6K−0.9%30.9K after
Mar 17, 2023 (view filing)Mar 152 daysWeber Brian PEVP (CHESI)SSale−527$133.07−$70.1K−0.7%73.0K after
Mar 13, 2023 (view filing)Mar 94 daysGabriel Sharon M.EVP/CIO (CHESI)SSale−3.81K$138.92−$529.3K−11.4%29.6K after
Mar 8, 2023 (view filing)Mar 71 dayBanucci Eugene GDirectorSSale−5.00K$133.97−$669.9K−19.5%20.6K after
Mar 3, 2023 (view filing)Mar 21 dayPreston John TDirectorSSale−3.75K$134.90−$505.9K−33.0%7.63K after
Dec 30, 2022 (view filing)Dec 291 daySpeights RobertPRESIDENT, INDUSTRIAL SERVICESSSale−3.33K$113.71−$378.3K−8.4%36.3K after
Dec 22, 2022 (view filing)Dec 211 dayGerstenberg Eric WCHIEF OPERATING OFFICER(CHESI)SSale−16.4K$116.02−$1.90M−21.1%61.3K after
Dec 14, 2022 (view filing)Dec 131 dayDugas Eric J.SVP FINANCE, CONTROLLER & CAOSSale−3.27K$122.39−$400.7K−11.1%26.3K after
Nov 29, 2022 (view filing)Nov 281 dayMcKim Alan SCHRMN.OF BD, PRES. & CEOSSale−40.0K$120.45−$4.82M−1.3%3.09M after
Sep 12, 2022 (view filing)Sep 93 daysWeber Brian PEVP (CHESI)SSale−2.00K$122.42−$245.2K−3.1%62.1K after
Aug 9, 2022 (view filing)Aug 81 dayPreston John TDirectorSSale−2.17K$111.50−$241.7K−16.0%11.4K after
Aug 8, 2022 (view filing)Aug 53 daysRobertson AndreaDirectorSSale−1.09K$106.37−$116.5K−9.3%10.7K after
May 12, 2022 (view filing)May 12Same dayBattles Michael LouisEVP and CFOPPurchase+2.00K$88.35+$176.7K+2.9%70.4K after
May 11, 2022 (view filing)May 101 dayStates LaurenDirectorSSale−750$90.68−$68.0K−5.7%12.3K after
Mar 28, 2022 (view filing)Mar 253 daysGerstenberg Eric WChief Operating Officer(CHESI)SSale−6.93K$106.62−$738.6K−7.1%90.8K after
Mar 21, 2022 (view filing)Mar 17-184 daysMcKim Alan SChrmn.of Bd, Pres. & CEOSSale−50.2K$109.32−$5.49M−1.6%3.11M after2 lots
Feb 28, 2022 (view filing)Feb 253 daysRobertson AndreaDirectorSSale−1.00K$95.30−$95.3K−8.7%10.5K after
Dec 30, 2021 (view filing)Dec 30Same dayWeber Brian PEVP (CHESI)SSale−2.39K$98.90−$236.4K−3.9%59.3K after
Dec 14, 2021 (view filing)Dec 104 daysSpeights RobertPresident, Industrial ServicesSSale−2.12K$99.02−$209.7K−6.6%30.0K after