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CLH Insider Trading

Insider Ownership Percentage: 5.00%
Insider Buying (Last 12 Months): $39,353.75
Insider Selling (Last 12 Months): $5,316,974.49

Clean Harbors Insider Trading History Chart

This chart shows the insider buying and selling history at Clean Harbors by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Clean Harbors Share Price & Price History

Current Price: $295.47
Price Change: ▼ Price Decrease of -0.605 (-0.20%)
As of 11/3/2026 03:59 PM ET

This chart shows the closing price history over time for CLH up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Clean Harbors Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
10/29/2026Karyn PolitoDirectorBuy125$314.83$39,353.754,252View SEC Filing Icon  
8/14/2026Eric W. GerstenbergCEOSell2,500$321.34$803,350.0056,793View SEC Filing Icon  
8/3/2026Andrea RobertsonDirectorSell789$314.01$247,753.898,979View SEC Filing Icon  
5/26/2026Lauren StatesDirectorSell789$286.19$225,803.9111,359View SEC Filing Icon  
3/18/2026Eric W. GerstenbergCEOSell1,000$293.00$293,000.0038,877View SEC Filing Icon  
3/18/2026Marcy L. ReedDirectorSell836$287.94$240,717.845,081View SEC Filing Icon  
3/17/2026Brian P. WeberEVPSell4,683$293.39$1,373,945.3748,728View SEC Filing Icon  
2/20/2026Eric J. DugasCFOSell2,788$281.31$784,292.2815,933View SEC Filing Icon  
2/20/2026Sharon M. GabrielEVPSell3,540$282.07$998,527.8023,193View SEC Filing Icon  
2/19/2026John R. WelchDirectorSell750$273.07$204,802.5010,237View SEC Filing Icon  
12/16/2025Eric W. GerstenbergCEOSell601$240.90$144,780.9050,454View SEC Filing Icon  
8/1/2025Michael Louis BattlesCEOBuy2,000$233.50$467,000.0082,911View SEC Filing Icon  
7/31/2025Andrea RobertsonDirectorSell836$233.64$195,323.049,888View SEC Filing Icon  
6/13/2025Brian P. WeberEVPSell3,035$227.17$689,460.9554,548View SEC Filing Icon  
6/6/2025Eric W. GerstenbergCEOSell8,076$225.23$1,818,957.4851,619View SEC Filing Icon  
6/5/2025Alison A QuirkDirectorSell893$223.69$199,755.172,978View SEC Filing Icon  
5/28/2025John R. WelchDirectorSell1,250$228.51$285,637.5011,402View SEC Filing Icon  
5/27/2025Robert SpeightsInsiderSell1,022$228.49$233,516.7816,310View SEC Filing Icon  
5/22/2025Lauren StatesDirectorSell836$226.17$189,078.1211,871View SEC Filing Icon  
3/10/2025Eric J. DugasCFOBuy1,050$191.38$200,949.0024,238View SEC Filing Icon  
3/10/2025Robert SpeightsInsiderSell2,725$190.44$518,949.0040,008View SEC Filing Icon  
2/18/2025Lauren StatesDirectorSell308$228.79$70,467.3211,918View SEC Filing Icon  
1/15/2025Lauren StatesDirectorSell308$239.04$73,624.3212,226View SEC Filing Icon  
12/16/2024Lauren StatesDirectorSell308$245.06$75,478.4812,534View SEC Filing Icon  
11/27/2024Brian P. WeberEVPSell861$261.31$224,987.9159,346View SEC Filing Icon  
11/15/2024Eric W. GerstenbergCEOSell6,051$250.42$1,515,291.4255,657View SEC Filing Icon  
11/15/2024Lauren StatesDirectorSell308$249.78$76,932.2412,842View SEC Filing Icon  
11/5/2024Robert SpeightsInsiderSell610$240.14$146,485.4039,160View SEC Filing Icon  
10/15/2024Lauren StatesDirectorSell308$260.74$80,307.9213,150View SEC Filing Icon  
9/16/2024Lauren StatesDirectorSell309$244.09$75,423.8113,458View SEC Filing Icon  
9/16/2024Michael Louis BattlesCEOSell10,000$245.74$2,457,400.0077,136View SEC Filing Icon  
6/11/2024Alan S MckimInsiderSell50,000$215.51$10,775,500.002,494,211View SEC Filing Icon  
5/23/2024Lauren StatesDirectorSell1,148$218.14$250,424.7213,767View SEC Filing Icon  
5/3/2024Eric J. DugasCFOSell6,200$208.74$1,294,188.0021,482View SEC Filing Icon  
3/27/2024Brian P. WeberEVPSell7,996$199.07$1,591,763.7262,803View SEC Filing Icon  
3/15/2024Eric W. GerstenbergCEOSell15,276$187.71$2,867,457.9667,374View SEC Filing Icon  
3/14/2024John T. PrestonDirectorSell1,913$188.36$360,332.684,767View SEC Filing Icon  
12/20/2023Alan S MckimInsiderSell17,453$178.37$3,113,091.612,672,211View SEC Filing Icon  
12/1/2023Robert W. HarrisonEVPSell122$166.86$20,356.923,369View SEC Filing Icon  
11/22/2023Eric W. GerstenbergCEOSell8,000$164.82$1,318,560.0068,787View SEC Filing Icon  
11/16/2023Alan S MckimInsiderSell28,389$164.50$4,669,990.502,736,275View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Clean Harbors (NYSE:CLH)

90.43% of Clean Harbors stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at CLH by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Clean Harbors Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/3/2026Pictet Asset Management Holding SA475,390$147.49M0.1%-21.9%0.901%Search for SEC Filing on Google Icon
11/3/2026Verus Capital Partners LLC926$0.29M0.0%+10.9%0.002%Search for SEC Filing on Google Icon
11/3/2026Parallel Advisors LLC317$98K0.0%+13.6%0.001%Search for SEC Filing on Google Icon
11/3/2026Ashton Thomas Private Wealth LLC3,712$1.15M0.0%+2.4%0.007%Search for SEC Filing on Google Icon
11/2/2026Kestra Advisory Services LLC1,447$0.45M0.0%+5.7%0.003%Search for SEC Filing on Google Icon
11/2/2026Inscription Capital LLC4,070$1.26M0.1%-14.3%0.008%Search for SEC Filing on Google Icon
10/31/2026Chicago Partners Investment Group LLC5,168$1.65M0.0%+37.8%0.010%Search for SEC Filing on Google Icon
10/30/2026Mountain Pacific Investment Advisers LLC21,794$6.76M1.1%+0.9%0.041%Search for SEC Filing on Google Icon
10/30/2026Oregon Public Employees Retirement Fund10,428$3.24M0.0%+1.7%0.020%Search for SEC Filing on Google Icon
10/29/2026Traynor Capital Management Inc.2,605$0.81M0.0%+42.0%0.005%Search for SEC Filing on Google Icon
10/29/2026SFE Investment Counsel4,571$1.42M0.2%+24.4%0.009%Search for SEC Filing on Google Icon
10/29/2026ProShare Advisors LLC1,906$0.59M0.0%-2.7%0.004%Search for SEC Filing on Google Icon
10/29/2026Vise Technologies Inc.2,186$0.68M0.0%+24.1%0.004%Search for SEC Filing on Google Icon
10/29/2026Coyle Financial Counsel LLC5,603$1.74M0.3%-4.5%0.011%Search for SEC Filing on Google Icon
10/29/2026State of Wyoming218$68K0.0%-71.9%0.000%Search for SEC Filing on Google Icon
10/28/2026Founders Financial Securities LLC1,123$0.35M0.0%N/A0.002%Search for SEC Filing on Google Icon
10/28/2026Choreo LLC3,593$1.12M0.0%+14.4%0.007%Search for SEC Filing on Google Icon
10/28/2026Interchange Capital Partners LLC1,078$0.33M0.1%+11.8%0.000%Search for SEC Filing on Google Icon
10/28/2026D.A. Davidson & CO.745$0.23M0.0%-11.8%0.000%Search for SEC Filing on Google Icon
10/28/2026BOKF NA1,808$0.56M0.0%N/A0.000%Search for SEC Filing on Google Icon
10/28/2026North Dakota State Investment Board1,555$0.48M0.0%+3.3%0.000%Search for SEC Filing on Google Icon
10/28/2026VestGen Advisors LLC961$0.30M0.0%+16.9%0.000%Search for SEC Filing on Google Icon
10/27/2026Moody Aldrich Partners LLC1,515$0.47M0.1%+43.7%0.003%Search for SEC Filing on Google Icon
10/27/2026Asset Management One Co. Ltd.42,198$13.09M0.0%-0.1%0.080%Search for SEC Filing on Google Icon
10/26/2026Oppenheimer & Co. Inc.3,041$0.94M0.0%+3.4%0.006%Search for SEC Filing on Google Icon
10/26/2026Park Avenue Securities LLC769$0.24M0.0%N/A0.001%Search for SEC Filing on Google Icon
10/26/2026Deroy & Devereaux Private Investment Counsel Inc.10,690$3.32M0.1%-1.4%0.020%Search for SEC Filing on Google Icon
10/24/2026Revolve Wealth Partners LLC2,057$0.64M0.1%-24.8%0.004%Search for SEC Filing on Google Icon
10/24/2026Leeward Investments LLC MA130,704$40.55M2.0%-3.6%0.248%Search for SEC Filing on Google Icon
10/24/2026Swmg LLC915$0.29M0.1%+7.3%0.002%Search for SEC Filing on Google Icon
10/23/2026Robeco Schweiz AG17,583$5.46M0.1%+85.1%0.033%Search for SEC Filing on Google Icon
10/23/2026Citizens Financial Group Inc. RI1,652$0.51M0.0%+137.4%0.003%Search for SEC Filing on Google Icon
10/23/2026Simplicity Wealth LLC3,573$1.11M0.0%-1.3%0.007%Search for SEC Filing on Google Icon
10/23/2026Evergreen Capital Management LLC2,271$0.71M0.0%+2.4%0.004%Search for SEC Filing on Google Icon
10/23/2026RWC Asset Management LLP2,403$0.75M0.0%+3.4%0.005%Search for SEC Filing on Google Icon
10/23/2026Tectonic Advisors LLC36,545$11.34M0.5%+9.1%0.069%Search for SEC Filing on Google Icon
10/23/2026Fifth Third Wealth Advisors LLC2,339$0.73M0.0%+11.1%0.004%Search for SEC Filing on Google Icon
10/23/2026Sterling Capital Management LLC1,507$0.47M0.0%-6.2%0.003%Search for SEC Filing on Google Icon
10/23/2026Inspire Investing LLC2,713$0.84M0.0%-5.6%0.005%Search for SEC Filing on Google Icon
10/22/2026Yousif Capital Management LLC13,512$4.19M0.0%-4.9%0.026%Search for SEC Filing on Google Icon
10/22/2026MBL Wealth LLC662$0.21M0.0%N/A0.001%Search for SEC Filing on Google Icon
10/22/2026Root Financial Partners LLC280$87K0.0%N/A0.001%Search for SEC Filing on Google Icon
10/22/2026Reyes Financial Architecture Inc.101$31K0.0%N/A0.000%Search for SEC Filing on Google Icon
10/22/2026Lmcg Investments LLC4,511$1.40M0.1%-1.5%0.009%Search for SEC Filing on Google Icon
10/21/2026Crossmark Global Holdings Inc.3,121$0.97M0.0%+2.0%0.006%Search for SEC Filing on Google Icon
10/21/2026Quadrant Capital Group LLC4,139$1.31M0.0%+0.9%0.008%Search for SEC Filing on Google Icon
10/21/2026Nisa Investment Advisors LLC4,888$1.52M0.0%+1.6%0.009%Search for SEC Filing on Google Icon
10/21/2026Robeco Institutional Asset Management B.V.4,086$1.27M0.0%-7.4%0.008%Search for SEC Filing on Google Icon
10/20/2026Genesee Capital Advisors LLC2,946$0.91M0.3%-11.3%0.006%Search for SEC Filing on Google Icon
10/17/2026USA Financial Formulas470$0.15M0.0%N/A0.001%Search for SEC Filing on Google Icon
10/16/2026Vontobel Holding Ltd.120,297$37.32M0.1%-0.1%0.228%Search for SEC Filing on Google Icon
10/16/2026Pension & Wealth Management Advisors Inc.171$53K0.0%N/A0.000%Search for SEC Filing on Google Icon
10/15/2026Triasima Portfolio Management inc.3,640$1.13M0.1%N/A0.007%Search for SEC Filing on Google Icon
10/15/2026Assenagon Asset Management S.A.168,142$52.16M0.0%+131.9%0.319%Search for SEC Filing on Google Icon
10/15/2026State of Alaska Department of Revenue47,734$14.81M0.1%-0.2%0.090%Search for SEC Filing on Google Icon
10/15/2026Nvwm LLC5,314$1.65M0.3%+3.6%0.010%Search for SEC Filing on Google Icon
10/15/2026Fort Washington Investment Advisors Inc. OH104,766$32.50M0.2%+12.1%0.198%Search for SEC Filing on Google Icon
10/13/2026NorthCrest Asset Manangement LLC1,212$0.39M0.0%N/A0.002%Search for SEC Filing on Google Icon
10/13/2026Avior Wealth Management LLC1,490$0.46M0.0%+18.1%0.003%Search for SEC Filing on Google Icon
10/13/2026Perpetual Ltd44,965$13.95M0.2%+1.5%0.085%Search for SEC Filing on Google Icon
10/10/2026Armstrong Advisory Group Inc.460$0.14M0.0%+43.8%0.001%Search for SEC Filing on Google Icon
10/9/2026Wedmont Private Capital1,272$0.40M0.0%+36.8%0.002%Search for SEC Filing on Google Icon
10/9/2026GAMMA Investing LLC1,503$0.47M0.0%+12.1%0.003%Search for SEC Filing on Google Icon
10/8/2026Farther Finance Advisors LLC720$0.22M0.0%+47.5%0.001%Search for SEC Filing on Google Icon
10/8/2026CoreCap Advisors LLC110$34K0.0%-57.9%0.000%Search for SEC Filing on Google Icon
10/8/2026Gradient Investments LLC9,987$3.10M0.0%-6.6%0.019%Search for SEC Filing on Google Icon
10/7/2026Elevation Wealth Partners LLC142$44K0.0%+317.6%0.000%Search for SEC Filing on Google Icon
10/6/2026Central Pacific Bank Trust Division720$0.22M0.0%+12.5%0.001%Search for SEC Filing on Google Icon
10/5/2026Argent Capital Management LLC9,228$2.86M0.0%N/A0.017%Search for SEC Filing on Google Icon
10/5/2026MassMutual Private Wealth & Trust FSB986$0.31M0.0%-6.6%0.002%Search for SEC Filing on Google Icon
10/2/2026Versant Capital Management Inc2,624$0.81M0.1%+3.0%0.005%Search for SEC Filing on Google Icon
9/9/2026Sequoia Financial Advisors LLC988$0.30M0.0%+24.9%0.002%Search for SEC Filing on Google Icon
9/9/2026Tidal Investments LLC33,222$9.93M0.0%-53.8%0.063%Search for SEC Filing on Google Icon
9/9/2026Van Hulzen Asset Management LLC797$0.24M0.0%-11.1%0.002%Search for SEC Filing on Google Icon
9/9/2026WINTON GROUP Ltd8,760$2.62M0.1%N/A0.017%Search for SEC Filing on Google Icon
9/9/2026Engineers Gate Manager LP35,732$10.68M0.1%+495.3%0.068%Search for SEC Filing on Google Icon
9/9/2026C WorldWide Group Holding A S42,397$12.67M0.3%-15.0%0.080%Search for SEC Filing on Google Icon
9/9/2026Integrated Wealth Concepts LLC2,911$0.87M0.0%+20.8%0.006%Search for SEC Filing on Google Icon
9/9/2026NewEdge Advisors LLC1,956$0.58M0.0%-2.0%0.004%Search for SEC Filing on Google Icon
9/9/2026Squarepoint Ops LLC46,028$13.75M0.0%N/A0.087%Search for SEC Filing on Google Icon
9/9/2026Baird Financial Group Inc.4,705$1.41M0.0%+5.1%0.009%Search for SEC Filing on Google Icon
9/8/2026Allworth Financial LP525$0.16M0.0%-17.8%0.001%Search for SEC Filing on Google Icon
9/8/2026Arizona State Retirement System13,870$4.14M0.0%-0.6%0.026%Search for SEC Filing on Google Icon
9/8/2026West Family Investments Inc.751$0.22M0.1%N/A0.001%Search for SEC Filing on Google Icon
9/8/2026Nykredit A S1,319$0.39M0.0%N/A0.002%Search for SEC Filing on Google Icon
8/27/2026Corient Private Wealth LP23,260$6.95M0.0%-41.8%0.044%Search for SEC Filing on Google Icon
8/26/2026Amundi7,436$2.22M0.0%-93.0%0.014%Search for SEC Filing on Google Icon
8/26/2026HighTower Advisors LLC7,518$2.25M0.0%-10.7%0.014%Search for SEC Filing on Google Icon
8/25/2026Groupe la Francaise8,588$2.57M0.0%-16.6%0.016%Search for SEC Filing on Google Icon
8/25/2026VIRGINIA RETIREMENT SYSTEMS ET Al3,320$0.99M0.0%N/A0.006%Search for SEC Filing on Google Icon
8/23/2026Wedmont Private Capital930$0.28M0.0%+18.6%0.002%Search for SEC Filing on Google Icon
8/23/2026HB Wealth Management LLC1,506$0.45M0.0%+7.2%0.003%Search for SEC Filing on Google Icon
8/22/2026AlphaGrep UK Ltd2,006$0.60M0.2%N/A0.004%Search for SEC Filing on Google Icon
8/22/2026Syon Capital LLC3,760$1.12M0.0%-5.2%0.007%Search for SEC Filing on Google Icon
8/22/2026Concurrent Investment Advisors LLC4,540$1.36M0.0%+2.0%0.009%Search for SEC Filing on Google Icon
8/21/2026Nykredit A S1,319$0.39M0.0%N/A0.002%Search for SEC Filing on Google Icon
8/21/2026Acorn Wealth Advisors LLC822$0.25M0.1%-21.2%0.002%Search for SEC Filing on Google Icon
8/20/2026Proficio Capital Partners LLC1,996$0.60M0.0%N/A0.004%Search for SEC Filing on Google Icon
8/20/2026Headlands Technologies LLC6,134$1.83M0.2%+114.5%0.012%Search for SEC Filing on Google Icon
8/20/2026Sigma Planning Corp715$0.21M0.0%-24.3%0.001%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Clean Harbors logo
Clean Harbors, Inc. provides environmental and industrial services in the United States and internationally. The company operates through two segments, Environmental Services and Safety-Kleen Sustainability Solutions. The Environmental Services segment collects, transports, treats, and disposes hazardous and non-hazardous waste, such as resource recovery, physical treatment, fuel blending, incineration, landfill disposal, wastewater treatment, lab chemicals disposal, and explosives management services; and offers CleanPack services, including collection, identification, categorization, specialized packaging, transportation, and disposal of laboratory chemicals and household hazardous waste. This segment also provides industrial maintenance and specialty industrial services; and utilizes specialty equipment and resources that performs field services. The Safety-Kleen Sustainability Solutions segment provides pickup and transportation services for hazardous and non-hazardous containerized waste for recycling or disposal; machine cleaning and maintenance, and disposal and replenishment of clean solvent or aqueous fluids; and vacuum services to remove solids, residual oily water, and sludge and other fluids from customers' oil/water separators, sumps, and collection tanks, as well as removes and collects waste fluids found at large and small industrial locations, including metal fabricators, auto maintenance providers, and general manufacturers. This segment also manufactures, formulates, packages, distributes, and markets lubricants and other automotive products. Clean Harbors, Inc. was incorporated in 1980 and is headquartered in Norwell, Massachusetts.
Read More on Clean Harbors

Today's Range

Now: $295.47
Low: $292.77
High: $299.61

50 Day Range

MA: $315.51
Low: $295.73
High: $323.29

52 Week Range

Now: $295.47
Low: $201.34
High: $335.94

Volume

920,261 shs

Average Volume

495,563 shs

Market Capitalization

$15.60 billion

P/E Ratio

29.67

Dividend Yield

N/A

Beta

0.87

Who are the company insiders with the largest holdings of Clean Harbors?

Clean Harbors' top insider investors include:
  1. Alan S Mckim (Insider)
  2. Alan S Mckim (CEO)
  3. Alan S Mckim (CEO)
  4. James M Rutledge (Insider)
  5. Eric W Gerstenberg (COO)
  6. Michael Louis Battles (CEO)
  7. Eric W Gerstenberg (CEO)
  8. Michael Louis Battles (CFO)
  9. Brian P Weber (EVP)
  10. George L Curtis (VP)
Learn More about top insider investors at Clean Harbors.

Who are the major institutional investors of Clean Harbors?

Clean Harbors' top institutional investors include:
  1. Assenagon Asset Management S.A. — 0.32%
  2. Leeward Investments LLC MA — 0.25%
  3. Vontobel Holding Ltd. — 0.23%
  4. Fort Washington Investment Advisors Inc. OH — 0.20%
  5. State of Alaska Department of Revenue — 0.09%
  6. Perpetual Ltd — 0.09%
Learn More about top institutional investors of Clean Harbors stock.

Which institutional investors are selling Clean Harbors stock?

Within the last quarter, CLH stock was sold by these institutional investors:
  1. Leeward Investments LLC MA
  2. Gradient Investments LLC
  3. Yousif Capital Management LLC
  4. Inscription Capital LLC
  5. Revolve Wealth Partners LLC
  6. State of Wyoming
  7. Genesee Capital Advisors LLC
  8. Robeco Institutional Asset Management B.V.
In the last year, company insiders that have sold Clean Harbors company stock include:
  1. Eric W Gerstenberg (CEO)
  2. Brian P Weber (EVP)
  3. Sharon M Gabriel (EVP)
  4. Eric J Dugas (CFO)
  5. Lauren States (Director)
  6. John R Welch (Director)
  7. Andrea Robertson (Director)
  8. Marcy L Reed (Director)
Learn More investors selling Clean Harbors stock.

Which institutional investors are buying Clean Harbors stock?

Within the last quarter, CLH stock was purchased by institutional investors including:
  1. Assenagon Asset Management S.A.
  2. Fort Washington Investment Advisors Inc. OH
  3. Argent Capital Management LLC
  4. Robeco Schweiz AG
  5. Triasima Portfolio Management inc.
  6. Tectonic Advisors LLC
  7. BOKF NA
  8. Chicago Partners Investment Group LLC
Within the previous year, these company insiders have bought Clean Harbors stock:
  1. Michael Louis Battles (CEO)
  2. Eric J Dugas (CFO)
  3. Karyn Polito (Director)
Learn More investors buying Clean Harbors stock.

Clean Harbors Active Insiders

Alan S. Mckim
Alan S. Mckim
CEO
Eric W Gerstenberg (Age 56)
COO
1 recent trades
Michael Louis Battles
Michael Louis Battles (Age 56)
CFO
Eric J Dugas
Eric J Dugas (Age 47)
CAO
Andrea Robertson
Andrea Robertson
Director
1 recent trades
Rod Marlin
Director
Lauren States
Lauren States
Director
1 recent trades
Eugene G Banucci
Director
John T Preston
John T Preston
Director
John R Welch
John R Welch
Director
Alison A Quirk
Alison A Quirk
Director
Marcy L Reed
Marcy L Reed
Director
Karyn Polito
Karyn Polito
Director
1 recent trades
Jeffrey Herbert Knapp
Jeffrey Herbert Knapp
EVP
Brian P Weber (Age 57)
EVP
Michael J Twohig
Michael J Twohig
EVP
Sharon M Gabriel
Sharon M Gabriel (Age 50)
EVP
Robert W Harrison
Robert W Harrison
EVP
George L Curtis
George L Curtis (Age 67)
VP
Robert Speights
Insider