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): $4,350,248.16

Clean Harbors Insider Trading History Chart

Clean Harbors Share Price & Price History

^$236.23

▼ -0.777 (-0.33%)

As of 12/4/2025 04:59 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
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
12/29/2022	Robert Speights	Insider	Sell	3,327	$113.71	$378,313.17	36,340
12/21/2022	Eric W. Gerstenberg	COO	Sell	16,409	$116.02	$1,903,772.18	61,332
12/13/2022	Eric J. Dugas	CAO	Sell	3,274	$122.39	$400,704.86	26,286

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
12/2/2025	Allworth Financial LP	320	$74K	0.0%	+37.9%	0.001%
12/2/2025	Swiss Life Asset Management Ltd	2,359	$0.55M	0.0%	+78.0%	0.004%
11/26/2025	JPMorgan Chase & Co.	219,862	$51.06M	0.0%	+7.8%	0.411%
11/24/2025	Fulcrum Asset Management LLP	6,569	$1.53M	0.4%	-35.8%	0.012%
11/19/2025	Coldstream Capital Management Inc.	2,638	$0.61M	0.0%	+5.8%	0.005%
11/19/2025	Danica Pension Livsforsikringsaktieselskab	41,930	$9.74M	0.2%	N/A	0.078%
11/19/2025	Danske Bank A S	400	$93K	0.0%	N/A	0.001%
11/18/2025	Fulcrum Asset Management LLP	1,032	$0.24M	0.2%	-79.1%	0.002%
11/17/2025	Hancock Whitney Corp	4,308	$1M	0.0%	-55.1%	0.008%
11/17/2025	Oberweis Asset Management Inc.	116,770	$27.12M	1.0%	-0.5%	0.219%
11/17/2025	NewEdge Advisors LLC	6,900	$1.60M	0.0%	+7.4%	0.013%
11/17/2025	CANADA LIFE ASSURANCE Co	33,886	$7.91M	0.0%	+1.2%	0.063%
11/17/2025	Williams Jones Wealth Management LLC.	49,212	$11.43M	0.1%	+0.3%	0.092%
11/17/2025	XTX Topco Ltd	2,244	$0.52M	0.0%	-88.9%	0.004%
11/17/2025	Verition Fund Management LLC	35,558	$8.26M	0.0%	+81.9%	0.067%
11/17/2025	Tidal Investments LLC	60,127	$13.96M	0.0%	-18.4%	0.113%
11/17/2025	State Street Corp	1,515,621	$351.96M	0.0%	+0.8%	2.837%
11/17/2025	Scientech Research LLC	1,118	$0.26M	0.1%	-14.6%	0.002%
11/17/2025	Sandler Capital Management	16,540	$3.84M	1.1%	-2.7%	0.031%
11/17/2025	Quarry LP	334	$78K	0.0%	-39.8%	0.001%
11/17/2025	Qube Research & Technologies Ltd	118,787	$27.59M	0.0%	-24.1%	0.222%
11/17/2025	Public Employees Retirement System of Ohio	15,824	$3.68M	0.0%	+0.6%	0.030%
11/17/2025	Northern Trust Corp	475,011	$110.31M	0.0%	+1.0%	0.889%
11/17/2025	Mariner LLC	32,708	$7.60M	0.0%	+3.2%	0.061%
11/17/2025	Mercer Global Advisors Inc. ADV	7,484	$1.74M	0.0%	+37.1%	0.014%
11/17/2025	Millennium Management LLC	30,376	$7.05M	0.0%	-56.4%	0.057%
11/17/2025	Integrated Wealth Concepts LLC	2,143	$0.50M	0.0%	-7.0%	0.004%
11/17/2025	HighVista Strategies LLC	9,106	$2.12M	0.5%	N/A	0.017%
11/17/2025	Holocene Advisors LP	17,341	$4.03M	0.0%	-44.7%	0.032%
11/17/2025	Gotham Asset Management LLC	36,941	$8.58M	0.0%	-4.3%	0.069%
11/17/2025	Focus Partners Wealth	1,469	$0.34M	0.0%	N/A	0.003%
11/17/2025	Brevan Howard Capital Management LP	8,018	$1.86M	0.0%	+51.7%	0.015%
11/17/2025	California Public Employees Retirement System	108,256	$25.14M	0.0%	+7.0%	0.203%
11/17/2025	Cannell Capital LLC	23,067	$5.36M	0.8%	+78.3%	0.043%
11/17/2025	Chilton Investment Co. Inc.	134,293	$31.19M	0.6%	+0.3%	0.251%
11/17/2025	Bank of America Corp DE	454,094	$105.45M	0.0%	+28.0%	0.850%
11/17/2025	BNP Paribas	8,153	$1.90M	0.1%	-0.8%	0.015%
11/17/2025	Boothbay Fund Management LLC	67,206	$15.61M	0.2%	+54.0%	0.126%
11/17/2025	Algert Global LLC	13,966	$3.24M	0.1%	+18.0%	0.026%
11/17/2025	Alliancebernstein L.P.	62,924	$14.61M	0.0%	-1.4%	0.118%
11/17/2025	Ameriprise Financial Inc.	55,011	$12.78M	0.0%	-2.6%	0.103%
11/14/2025	Creative Planning	6,054	$1.41M	0.0%	+13.0%	0.011%
11/14/2025	Durable Capital Partners LP	573,666	$133.22M	1.0%	N/A	1.074%
11/14/2025	Raymond James Financial Inc.	233,668	$54.26M	0.0%	+2.0%	0.437%
11/14/2025	Virtu Financial LLC	3,220	$0.75M	0.0%	+6.1%	0.006%
11/14/2025	Amundi	88,575	$20.57M	0.0%	+1,585.5%	0.166%
11/14/2025	Man Group plc	7,739	$1.80M	0.0%	-58.0%	0.014%
11/14/2025	Daiwa Securities Group Inc.	35,512	$8.25M	0.0%	+20.0%	0.066%
11/14/2025	Zurcher Kantonalbank Zurich Cantonalbank	45,507	$10.57M	0.0%	+0.9%	0.085%
11/14/2025	UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC	620,046	$143.99M	0.0%	-13.9%	1.160%
11/14/2025	Two Sigma Investments LP	384,494	$89.29M	0.1%	+148.3%	0.720%
11/14/2025	Concentric Capital Strategies LP	62,363	$14.48M	0.6%	N/A	0.117%
11/14/2025	Thematics Asset Management	192,300	$44.66M	2.0%	+0.8%	0.360%
11/14/2025	Sirios Capital Management L P	76,930	$17.87M	2.3%	+11.2%	0.144%
11/14/2025	iSAM Funds UK Ltd	1,314	$0.31M	0.1%	-69.1%	0.002%
11/14/2025	Wellington Management Group LLP	5,574,152	$1.29B	0.2%	-3.3%	10.432%
11/14/2025	Comerica Bank	94,192	$21.87M	0.1%	+26.6%	0.176%
11/14/2025	Brown Brothers Harriman & Co.	1,022	$0.24M	0.0%	+313.8%	0.002%
11/13/2025	Certuity LLC	966	$0.22M	0.0%	N/A	0.002%
11/13/2025	Johnson Financial Group Inc.	305	$71K	0.0%	N/A	0.001%
11/13/2025	Martingale Asset Management L P	10,491	$2.44M	0.1%	-47.5%	0.020%
11/13/2025	Invesco Ltd.	390,675	$90.72M	0.0%	-32.5%	0.731%
11/13/2025	Sei Investments Co.	36,733	$8.53M	0.0%	-2.0%	0.069%
11/13/2025	Watchtower Advisors LP	76,144	$17.68M	8.2%	N/A	0.143%
11/13/2025	Shannon River Fund Management LLC	115,870	$26.91M	4.3%	N/A	0.217%
11/13/2025	BNP Paribas Financial Markets	7,045	$1.64M	0.0%	-34.7%	0.013%
11/13/2025	Franklin Resources Inc.	142,791	$33.16M	0.0%	-19.3%	0.267%
11/13/2025	Magnetar Financial LLC	2,575	$0.60M	0.0%	N/A	0.005%
11/13/2025	Van ECK Associates Corp	17,350	$4.03M	0.0%	+8.5%	0.032%
11/13/2025	Bank of Montreal Can	65,644	$15.24M	0.0%	+68.3%	0.123%
11/13/2025	Legal & General Group Plc	87,394	$20.30M	0.0%	-2.5%	0.164%
11/13/2025	Vestcor Inc	1,323	$0.31M	0.0%	-73.4%	0.002%
11/13/2025	Bell Asset Management Ltd	19,885	$4.62M	1.3%	-23.7%	0.037%
11/13/2025	Swiss National Bank	98,700	$22.92M	0.0%	+1.0%	0.185%
11/13/2025	Russell Investments Group Ltd.	8,392	$1.95M	0.0%	+73.5%	0.016%
11/13/2025	Schroder Investment Management Group	40,588	$9.48M	0.0%	-0.5%	0.076%
11/13/2025	Inceptionr LLC	3,582	$0.83M	0.2%	N/A	0.007%
11/13/2025	Dynamic Technology Lab Private Ltd	1,690	$0.39M	0.1%	N/A	0.003%
11/13/2025	Natixis Advisors LLC	146,449	$34.01M	0.0%	+12.5%	0.274%
11/13/2025	Grantham Mayo Van Otterloo & Co. LLC	124,557	$28.93M	0.1%	N/A	0.233%
11/13/2025	Blair William & Co. IL	2,033	$0.47M	0.0%	-6.4%	0.004%
11/13/2025	First Trust Advisors LP	651,685	$151.33M	0.1%	+18.5%	1.220%
11/12/2025	Cramer Rosenthal Mcglynn LLC	83,549	$19.40M	1.2%	-22.4%	0.156%
11/12/2025	Barclays PLC	53,891	$12.52M	0.0%	+77.9%	0.101%
11/12/2025	Pitcairn Co.	1,978	$0.46M	0.0%	-25.6%	0.004%
11/12/2025	Crossmark Global Holdings Inc.	2,934	$0.68M	0.0%	+8.9%	0.005%
11/12/2025	Snyder Capital Management L P	1,148,504	$266.71M	5.0%	+7.9%	2.149%
11/12/2025	Dimensional Fund Advisors LP	614,844	$142.78M	0.0%	-6.3%	1.151%
11/12/2025	Cresset Asset Management LLC	92,475	$21.48M	0.1%	+3.7%	0.173%
11/12/2025	Picton Mahoney Asset Management	85,480	$19.85M	0.2%	-0.8%	0.160%
11/12/2025	South Dakota Investment Council	7,450	$1.73M	0.0%	-50.2%	0.014%
11/12/2025	Teachers Retirement System of The State of Kentucky	21,392	$4.97M	0.0%	-13.8%	0.040%
11/12/2025	Victory Capital Management Inc.	159,160	$36.96M	0.0%	-34.4%	0.298%
11/12/2025	CI Investments Inc.	37,337	$8.67M	0.0%	+148.0%	0.070%
11/12/2025	Segall Bryant & Hamill LLC	39,541	$9.18M	0.1%	-20.7%	0.074%
11/12/2025	Okabena Investment Services Inc.	6,240	$1.45M	0.3%	N/A	0.012%
11/12/2025	William Blair Investment Management LLC	384,358	$89.26M	0.2%	-6.6%	0.719%
11/12/2025	New Age Alpha Advisors LLC	10,566	$2.45M	0.1%	-3.1%	0.020%
11/12/2025	American Century Companies Inc.	223,057	$51.80M	0.0%	-14.0%	0.417%
11/12/2025	Aster Capital Management DIFC Ltd	2,526	$0.59M	0.3%	N/A	0.005%

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: $236.23

$235.25

$238.83

50 Day Range

MA: $224.80

$201.87

$246.44

52 Week Range

Now: $236.23

$178.29

$255.44

Volume

364,331 shs

Average Volume

623,090 shs

Market Capitalization

$12.62 billion

P/E Ratio

32.76

Dividend Yield

N/A

Beta

0.95

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:
Wellington Management Group LLP — 10.43%
Vanguard Group Inc. — 8.52%
State Street Corp — 2.84%
Snyder Capital Management L P — 2.15%
Bessemer Group Inc. — 2.05%
First Trust Advisors LP — 1.22%
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:
Wellington Management Group LLP
Invesco Ltd.
Voya Investment Management LLC
Impax Asset Management Group plc
UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC
Mountain Pacific Investment Advisers LLC
Victory Capital Management Inc.
Federated Hermes Inc.
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:
Durable Capital Partners LP
Nordea Investment Management AB
Two Sigma Investments LP
Grantham Mayo Van Otterloo & Co. LLC
Shannon River Fund Management LLC
Vaughan Nelson Investment Management L.P.
First Trust Advisors LP
Bank of America Corp DE
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.