CLH Insider Trading

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Insider Trading History
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About

Insider Ownership Percentage: 5.60%

Insider Buying (Last 12 Months): $667,949.00

Insider Selling (Last 12 Months): $4,345,926.26

Clean Harbors Insider Trading History Chart

Clean Harbors Share Price & Price History

^$261.75

▲ +0.801 (0.31%)

As of 02/5/2026 02:51 PM ET

Days: 30 | 90 | 365

Clean Harbors Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
12/16/2025	Eric W. Gerstenberg	CEO	Sell	601	$240.90	$144,780.90	50,454
8/1/2025	Michael Louis Battles	CEO	Buy	2,000	$233.50	$467,000.00	82,911
7/31/2025	Andrea Robertson	Director	Sell	836	$233.64	$195,323.04	9,888
6/13/2025	Brian P. Weber	EVP	Sell	3,035	$227.17	$689,460.95	54,548
6/6/2025	Eric W. Gerstenberg	CEO	Sell	8,076	$225.23	$1,818,957.48	51,619
6/5/2025	Alison A Quirk	Director	Sell	893	$223.69	$199,755.17	2,978
5/28/2025	John R. Welch	Director	Sell	1,250	$228.51	$285,637.50	11,402
5/27/2025	Robert Speights	Insider	Sell	1,022	$228.49	$233,516.78	16,310
5/22/2025	Lauren States	Director	Sell	836	$226.17	$189,078.12	11,871
3/10/2025	Eric J. Dugas	CFO	Buy	1,050	$191.38	$200,949.00	24,238
3/10/2025	Robert Speights	Insider	Sell	2,725	$190.44	$518,949.00	40,008
2/18/2025	Lauren States	Director	Sell	308	$228.79	$70,467.32	11,918
1/15/2025	Lauren States	Director	Sell	308	$239.04	$73,624.32	12,226
12/16/2024	Lauren States	Director	Sell	308	$245.06	$75,478.48	12,534
11/27/2024	Brian P. Weber	EVP	Sell	861	$261.31	$224,987.91	59,346
11/15/2024	Eric W. Gerstenberg	CEO	Sell	6,051	$250.42	$1,515,291.42	55,657
11/15/2024	Lauren States	Director	Sell	308	$249.78	$76,932.24	12,842
11/5/2024	Robert Speights	Insider	Sell	610	$240.14	$146,485.40	39,160
10/15/2024	Lauren States	Director	Sell	308	$260.74	$80,307.92	13,150
9/16/2024	Lauren States	Director	Sell	309	$244.09	$75,423.81	13,458
9/16/2024	Michael Louis Battles	CEO	Sell	10,000	$245.74	$2,457,400.00	77,136
6/11/2024	Alan S Mckim	Insider	Sell	50,000	$215.51	$10,775,500.00	2,494,211
5/23/2024	Lauren States	Director	Sell	1,148	$218.14	$250,424.72	13,767
5/3/2024	Eric J. Dugas	CFO	Sell	6,200	$208.74	$1,294,188.00	21,482
3/27/2024	Brian P. Weber	EVP	Sell	7,996	$199.07	$1,591,763.72	62,803
3/15/2024	Eric W. Gerstenberg	CEO	Sell	15,276	$187.71	$2,867,457.96	67,374
3/14/2024	John T. Preston	Director	Sell	1,913	$188.36	$360,332.68	4,767
12/20/2023	Alan S Mckim	Insider	Sell	17,453	$178.37	$3,113,091.61	2,672,211
12/1/2023	Robert W. Harrison	EVP	Sell	122	$166.86	$20,356.92	3,369
11/22/2023	Eric W. Gerstenberg	CEO	Sell	8,000	$164.82	$1,318,560.00	68,787
11/16/2023	Alan S Mckim	Insider	Sell	28,389	$164.50	$4,669,990.50	2,736,275
8/29/2023	Eric J. Dugas	CFO	Sell	3,500	$171.00	$598,500.00	25,114
8/25/2023	Robert Speights	Insider	Sell	1,984	$171.03	$339,323.52	38,602
8/23/2023	George L. Curtis	VP	Sell	10,303	$171.54	$1,767,376.62	48,102
8/16/2023	John T. Preston	Director	Sell	2,095	$173.68	$363,859.60	6,680
8/8/2023	Andrea Robertson	Director	Sell	1,200	$169.08	$202,896.00	10,667
8/4/2023	Michael Louis Battles	CEO	Sell	10,000	$171.00	$1,710,000.00	74,453
7/3/2023	Eric J. Dugas	CAO	Sell	898	$164.43	$147,658.14	28,614
7/3/2023	Eric W. Gerstenberg	CEO	Sell	9,725	$164.43	$1,599,081.75	77,527
7/3/2023	George L. Curtis	VP	Sell	717	$164.43	$117,896.31	58,405
7/3/2023	Robert Speights	Insider	Sell	825	$164.43	$135,654.75	40,586
7/3/2023	Sharon M. Gabriel	EVP	Sell	557	$164.43	$91,587.51	25,292
6/9/2023	Eugene G. Banucci	Director	Sell	5,020	$156.09	$783,571.80	5,598
6/9/2023	Sharon M. Gabriel	EVP	Sell	3,235	$155.71	$503,721.85	25,849
5/26/2023	Eugene G. Banucci	Director	Sell	10,000	$144.59	$1,445,900.00	10,618
5/24/2023	Melkeya Mcduffie	EVP	Sell	714	$144.29	$103,023.06	10,094
5/15/2023	Alan S Mckim	Insider	Sell	16,200	$139.60	$2,261,520.00	2,868,937
5/4/2023	Lauren States	Director	Sell	510	$136.13	$69,426.30	13,371
4/1/2023	Eric J. Dugas	CAO	Sell	346	$142.56	$49,325.76	30,201
4/1/2023	Sharon M. Gabriel	EVP	Sell	196	$142.56	$27,941.76	29,084
3/27/2023	Michael J. Twohig	EVP	Sell	2,000	$134.42	$268,840.00	28,857
3/9/2023	Sharon M. Gabriel	EVP	Sell	3,810	$138.92	$529,285.20	29,554
3/7/2023	Eugene G. Banucci	Director	Sell	5,000	$133.97	$669,850.00	20,618
3/2/2023	John T. Preston	Director	Sell	3,750	$134.90	$505,875.00	7,627

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

Clean Harbors Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
2/5/2026	Bessemer Group Inc.	915,280	$214.62M	0.3%	-16.6%	1.713%
2/5/2026	Thrivent Financial for Lutherans	53,090	$12.45M	0.0%	-19.0%	0.099%
2/5/2026	New York Life Investment Management LLC	4,543	$1.07M	0.0%	N/A	0.009%
2/5/2026	Leeward Investments LLC MA	144,974	$33.99M	1.7%	-2.8%	0.271%
2/5/2026	Allworth Financial LP	478	$0.11M	0.0%	+49.4%	0.001%
2/5/2026	SFE Investment Counsel	3,810	$0.89M	0.1%	-4.0%	0.007%
2/5/2026	Atria Investments Inc	29,928	$7.02M	0.1%	+3.5%	0.056%
2/4/2026	Oregon Public Employees Retirement Fund	10,036	$2.35M	0.0%	-1.4%	0.019%
2/4/2026	Independent Advisor Alliance	1,063	$0.25M	0.0%	N/A	0.002%
2/4/2026	VIRGINIA RETIREMENT SYSTEMS ET Al	5,960	$1.40M	0.0%	-54.4%	0.011%
2/4/2026	First Eagle Investment Management LLC	3,816	$0.90M	0.0%	N/A	0.007%
2/4/2026	C WorldWide Group Holding A S	48,269	$11.32M	0.2%	-4.5%	0.090%
2/4/2026	Securian Asset Management Inc.	3,676	$0.86M	0.0%	-2.6%	0.007%
2/4/2026	Advisor OS LLC	2,032	$0.48M	0.0%	+33.5%	0.004%
2/3/2026	NewEdge Wealth LLC	1,620	$0.38M	0.0%	+38.0%	0.003%
2/3/2026	Ethic Inc.	2,496	$0.59M	0.0%	-34.0%	0.005%
2/3/2026	Koshinski Asset Management Inc.	897	$0.21M	0.0%	-11.0%	0.002%
2/3/2026	Crestwood Advisors Group LLC	990	$0.23M	0.0%	N/A	0.002%
2/3/2026	Sequoia Financial Advisors LLC	1,900	$0.45M	0.0%	N/A	0.004%
2/3/2026	Lmcg Investments LLC	5,433	$1.27M	0.1%	-3.4%	0.010%
2/3/2026	Robeco Schweiz AG	117,590	$27.57M	0.6%	-36.8%	0.220%
2/3/2026	K.J. Harrison & Partners Inc	13,095	$3.07M	0.4%	-14.4%	0.025%
2/3/2026	Swedbank AB	150,000	$35.17M	0.0%	+7.1%	0.281%
2/2/2026	Truist Financial Corp	6,577	$1.54M	0.0%	+1.8%	0.012%
2/2/2026	Strs Ohio	21,413	$5.02M	0.0%	-50.7%	0.040%
2/2/2026	Horizon Investments LLC	1,090	$0.26M	0.0%	+240.6%	0.002%
2/2/2026	Oppenheimer & Co. Inc.	2,953	$0.69M	0.0%	-19.3%	0.006%
2/2/2026	Oppenheimer Asset Management Inc.	54,299	$12.73M	0.2%	-2.2%	0.102%
1/30/2026	Sigma Planning Corp	944	$0.22M	0.0%	-11.1%	0.002%
1/30/2026	New York State Teachers Retirement System	57,757	$13.54M	0.0%	-0.8%	0.108%
1/30/2026	Simplicity Wealth LLC	3,688	$0.87M	0.1%	-3.8%	0.007%
1/30/2026	Interchange Capital Partners LLC	2,672	$0.63M	0.1%	N/A	0.005%
1/30/2026	Certuity LLC	1,699	$0.40M	0.0%	+75.9%	0.003%
1/30/2026	M&T Bank Corp	14,614	$3.43M	0.0%	+31.1%	0.027%
1/29/2026	Comerica Bank	14,937	$3.50M	0.0%	-84.1%	0.028%
1/29/2026	Ashton Thomas Private Wealth LLC	4,952	$1.16M	0.0%	+7.3%	0.009%
1/29/2026	Pictet Asset Management Holding SA	1,885,730	$442.29M	0.4%	-9.0%	3.529%
1/29/2026	State of Michigan Retirement System	11,907	$2.79M	0.0%	-0.8%	0.022%
1/29/2026	Inscription Capital LLC	5,780	$1.36M	0.1%	+72.8%	0.011%
1/29/2026	Mountain Pacific Investment Advisers LLC	23,658	$5.55M	0.9%	+4.9%	0.044%
1/29/2026	Teachers Retirement System of The State of Kentucky	20,440	$4.79M	0.0%	-4.5%	0.038%
1/29/2026	Vanguard Group Inc.	4,489,676	$1.05B	0.0%	-1.4%	8.403%
1/29/2026	Impax Asset Management Group plc	148,605	$34.85M	0.2%	-41.1%	0.278%
1/29/2026	Concurrent Investment Advisors LLC	4,700	$1.10M	0.0%	+209.4%	0.009%
1/28/2026	Arizona State Retirement System	14,072	$3.30M	0.0%	-6.6%	0.026%
1/28/2026	Chicago Partners Investment Group LLC	3,222	$0.84M	0.0%	+122.4%	0.006%
1/28/2026	M&T Bank Corp	2,696	$0.63M	0.0%	-75.8%	0.005%
1/28/2026	Universal Beteiligungs und Servicegesellschaft mbH	28,944	$6.79M	0.0%	+9.4%	0.054%
1/27/2026	Optas LLC	4,488	$1.05M	0.2%	N/A	0.008%
1/27/2026	Evergreen Capital Management LLC	1,199	$0.28M	0.0%	-9.2%	0.002%
1/27/2026	Zurcher Kantonalbank Zurich Cantonalbank	27,399	$6.43M	0.0%	-39.8%	0.051%
1/27/2026	Deroy & Devereaux Private Investment Counsel Inc.	10,875	$2.55M	0.1%	N/A	0.020%
1/27/2026	Pekao Towarzystwo Funduszy Inwestycyjnych S.A.	808	$0.19M	0.2%	N/A	0.002%
1/27/2026	Asset Management One Co. Ltd.	65,740	$15.79M	0.0%	-23.9%	0.123%
1/26/2026	Merit Financial Group LLC	1,290	$0.30M	0.0%	-3.1%	0.002%
1/26/2026	Whittier Trust Co. of Nevada Inc.	142	$35K	0.0%	-36.9%	0.000%
1/26/2026	Thomasville National Bank	2,373	$0.56M	0.0%	-20.3%	0.004%
1/26/2026	Nations Financial Group Inc. IA ADV	908	$0.21M	0.0%	-18.4%	0.002%
1/26/2026	Cornerstone Wealth Group LLC	1,290	$0.30M	0.0%	N/A	0.002%
1/26/2026	CWM LLC	929	$0.22M	0.0%	-29.0%	0.002%
1/26/2026	LBP AM SA	54,355	$12.75M	0.1%	-73.0%	0.102%
1/26/2026	Border to Coast Pensions Partnership Ltd	60,000	$14.09M	0.2%	-14.3%	0.112%
1/23/2026	Farther Finance Advisors LLC	758	$0.18M	0.0%	-31.2%	0.001%
1/23/2026	Steph & Co.	383	$90K	0.0%	-73.1%	0.001%
1/23/2026	State of Alaska Department of Revenue	53,010	$12.43M	0.1%	-1.0%	0.099%
1/23/2026	Tectonic Advisors LLC	45,522	$10.67M	0.6%	+1.2%	0.085%
1/23/2026	Choreo LLC	3,502	$0.83M	0.0%	+92.5%	0.007%
1/23/2026	Sumitomo Mitsui Trust Group Inc.	1,160	$0.27M	0.0%	+8.6%	0.002%
1/23/2026	Robeco Institutional Asset Management B.V.	5,039	$1.18M	0.0%	-30.6%	0.009%
1/22/2026	Venturi Wealth Management LLC	1,677	$0.39M	0.0%	+28.7%	0.003%
1/22/2026	Spirepoint Private Client LLC	105,852	$24.82M	2.4%	+1.4%	0.198%
1/22/2026	Fiduciary Alliance LLC	2,568	$0.60M	0.0%	-17.5%	0.005%
1/22/2026	Trinity Street Asset Management LLP	117,177	$27.48M	1.7%	-2.8%	0.219%
1/22/2026	V Square Quantitative Management LLC	143	$34K	0.0%	N/A	0.000%
1/21/2026	Oak Thistle LLC	9,509	$2.23M	0.3%	+154.9%	0.018%
1/21/2026	Yousif Capital Management LLC	16,019	$4.11M	0.0%	-2.0%	0.030%
1/21/2026	Aaron Wealth Advisors LLC	4,853	$1.14M	0.1%	+216.6%	0.009%
1/21/2026	Flagship Harbor Advisors LLC	618	$0.15M	0.0%	-59.3%	0.001%
1/20/2026	Nvwm LLC	5,453	$1.28M	0.3%	-1.9%	0.010%
1/20/2026	Perpetual Ltd	59,854	$14.04M	0.2%	-2.8%	0.112%
1/16/2026	Genesee Capital Advisors LLC	3,698	$0.87M	0.3%	+9.9%	0.007%
1/16/2026	Empirical Financial Services LLC d.b.a. Empirical Wealth Management	2,044	$0.48M	0.0%	N/A	0.004%
1/15/2026	Allspring Global Investments Holdings LLC	90,251	$21.97M	0.0%	+0.1%	0.169%
1/15/2026	Vaughan Nelson Investment Management L.P.	370,875	$86.96M	0.8%	+2.2%	0.694%
1/15/2026	Retirement Systems of Alabama	90,828	$21.30M	0.1%	-0.7%	0.170%
1/15/2026	Pacific Capital Partners Ltd	14,750	$3.46M	3.7%	-6.3%	0.028%
1/15/2026	J. Safra Sarasin Holding AG	54,667	$12.82M	0.2%	-8.5%	0.102%
1/14/2026	Cooper Investors PTY Ltd.	25,955	$6.09M	2.0%	-5.7%	0.049%
1/14/2026	Congress Park Capital LLC	7,102	$1.67M	0.5%	-9.4%	0.013%
1/14/2026	Exchange Traded Concepts LLC	721	$0.17M	0.0%	N/A	0.001%
1/13/2026	Fort Washington Investment Advisors Inc. OH	91,726	$21.51M	0.1%	-20.1%	0.172%
1/13/2026	Kathmere Capital Management LLC	1,063	$0.25M	0.0%	N/A	0.002%
1/12/2026	Moody National Bank Trust Division	3,183	$0.75M	0.1%	-35.7%	0.006%
1/12/2026	DAVENPORT & Co LLC	423,069	$99.91M	0.5%	-4.9%	0.792%
1/12/2026	Rialto Wealth Management LLC	404	$95K	0.0%	+10,000.0%	0.001%
1/9/2026	SG Americas Securities LLC	62,621	$14.68M	0.0%	+57.4%	0.117%
1/9/2026	Assenagon Asset Management S.A.	105,714	$24.79M	0.0%	+301.2%	0.198%
1/8/2026	True Wealth Design LLC	152	$36K	0.0%	+102.7%	0.000%
1/8/2026	Wealth Enhancement Advisory Services LLC	5,840	$1.43M	0.0%	+33.2%	0.011%
1/8/2026	Maridea Wealth Management LLC	5,746	$1.35M	0.2%	+38.9%	0.011%

Data available starting January 2016

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.

Today's Range

Now: $261.75

$258.80

$263.98

50 Day Range

MA: $246.74

$227.38

$268.00

52 Week Range

Now: $261.75

$178.29

$268.22

Volume

314,484 shs

Average Volume

433,811 shs

Market Capitalization

$13.99 billion

P/E Ratio

36.30

Dividend Yield

N/A

Beta

0.96

Who are the company insiders with the largest holdings of Clean Harbors?: Clean Harbors' top insider investors include:
Alan S Mckim (Insider)
Michael Louis Battles (CEO)
Eric W Gerstenberg (CEO)
Brian P Weber (EVP)
Robert Speights (Insider)
Eric J Dugas (CFO)
Lauren States (Director)
John R Welch (Director)
Andrea Robertson (Director)
John T Preston (Director)
Alison A Quirk (Director)
Learn More about top insider investors at Clean Harbors.
Who are the major institutional investors of Clean Harbors?: Clean Harbors' top institutional investors include:
Vanguard Group Inc. — 8.40%
Pictet Asset Management Holding SA — 3.53%
Nordea Investment Management AB — 1.95%
DAVENPORT & Co LLC — 0.79%
Vaughan Nelson Investment Management L.P. — 0.69%
Swedbank AB — 0.28%
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:
Pictet Asset Management Holding SA
LBP AM SA
Impax Asset Management Group plc
Comerica Bank
Robeco Schweiz AG
Vanguard Group Inc.
Fort Washington Investment Advisors Inc. OH
Strs Ohio
In the last year, company insiders that have sold Clean Harbors company stock include:
Alan S Mckim (Insider)
Michael Louis Battles (CEO)
Eric W Gerstenberg (CEO)
Brian P Weber (EVP)
Robert Speights (Insider)
Eric J Dugas (CFO)
Lauren States (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:
Nordea Investment Management AB
Assenagon Asset Management S.A.
SG Americas Securities LLC
Deroy & Devereaux Private Investment Counsel Inc.
Swedbank AB
Vaughan Nelson Investment Management L.P.
Oak Thistle LLC
Optas LLC
Within the previous year, these company insiders have bought Clean Harbors stock:
Alan S Mckim (Insider)
Michael Louis Battles (CEO)
Learn More investors buying Clean Harbors stock.