CLH Clean Harbors

Clean Harbors is North America’s leading provider of environmental and industrial services. The Company serves a diverse customer base, including a majority of Fortune 500 companies. Its customer base spans a number of industries, including chemical, energy and manufacturing, as well as numerous government agencies. These customers rely on Clean Harbors to deliver a broad range of services such as end-to-end hazardous waste management, emergency spill response, industrial cleaning and maintenance, and recycling services. Through its Safety-Kleen subsidiary, Clean Harbors also is North America’s largest re-refiner and recycler of used oil and a leading provider of parts washers and environmental services to commercial, industrial and automotive customers. Founded in 1980 and based in Massachusetts, Clean Harbors operates in the United States, Canada, Mexico, Puerto Rico and India.

CLH stock data



24 Feb 21
28 Feb 21
31 Dec 21
Quarter (USD)
Dec 20 Sep 20 Jun 20 Mar 20
Cost of revenue
Operating income
Operating margin
Net income
Net profit margin
Cash on hand
Change in cash
Diluted EPS
Annual (USD)
Dec 20 Dec 19 Dec 18 Dec 17
Cost of revenue
Operating income
Operating margin
Net income
Net profit margin
Cash on hand
Change in cash
Diluted EPS

Financial data from company earnings reports.

Date Owner Security Transaction Code Indirect 10b5-1 $Price #Shares $Value #Remaining
1 Feb 21 Dugas Eric J. Common Stock Payment of exercise Dispose F No No 79.38 520 41.28K 18,884
1 Feb 21 Eric W Gerstenberg Common Stock Payment of exercise Dispose F No No 79.38 3,012 239.09K 81,814
1 Feb 21 Gabriel Sharon M. Common Stock Payment of exercise Dispose F No No 79.38 347 27.54K 23,673
11 Jan 21 Johnston Robert A. Common Stock Other Dispose J No No 0 16,213 0 6,691
13F holders
Current Prev Q Change
Total holders 600 555 +8.1%
Opened positions 103 94 +9.6%
Closed positions 58 57 +1.8%
Increased positions 199 183 +8.7%
Reduced positions 218 195 +11.8%
13F shares
Current Prev Q Change
Total value 17.26B 15.86B +8.8%
Total shares 236.93M 238.67M -0.7%
Total puts 211.2K 464.1K -54.5%
Total calls 207.7K 1.55M -86.6%
Total put/call ratio 1.0 0.3 +239.1%
Largest owners
Shares Value Change
TROW T. Rowe Price 39.27M $2.86B -4.9%
Vanguard 27.55M $2.01B -1.4%
FMR 26.44M $1.93B +31.0%
BLK Blackrock 20.84M $1.52B +4.0%
Wellington Management 11.82M $861.09M -1.7%
STT State Street 11.27M $821.06M -1.9%
Geode Capital Management 5.03M $365.31M +1.5%
GS Goldman Sachs 3.4M $247.81M +11.6%
NTRS Northern Trust 3.23M $235.59M -1.2%
Parnassus Investments 2.83M $206.12M -13.7%
Largest transactions
Shares Bought/sold Change
FMR 26.44M +6.26M +31.0%
TROW T. Rowe Price 39.27M -2.03M -4.9%
Millennium Management 125.89K -1.82M -93.5%
D. E. Shaw & Co. 1.54M -1.19M -43.6%
HealthCor Management 1.02M +1.02M NEW
Marshall Wace North America 519K -991.88K -65.6%
American Century Companies 1.24M -872.77K -41.3%
BLK Blackrock 20.84M +808.12K +4.0%
Point72 Asset Management 0 -778.74K EXIT
Nuveen Asset Management 1.91M -778.48K -28.9%

Financial report summary

  • Our businesses are subject to operational and safety risks.
  • Our businesses are subject to numerous statutory and regulatory requirements, which may increase in the future.
  • Our operations are increasingly dependent upon technology. Failure of these technologies, failure to upgrade or innovate these technologies or failure to identify and develop new technologies could have an adverse impact on our results.
  • A cyber security incident could negatively impact our business and our relationships with customers.
  • If we become unable to obtain, at reasonable cost, the insurance, surety bonds, letters of credit and other forms of financial assurance required for our facilities and operations, our business and results of operations would be adversely affected.
  • Our insurance coverage and self-insurance reserves may be inadequate to cover all significant risk exposures, and increasing costs to maintain adequate coverage may significantly impact our financial condition and results of operations.
  • Tax interpretations and changes in tax regulations and legislation could adversely affect our results of operations.
  • Fluctuations in foreign currency exchange could affect our financial results.
  • Failure to correctly identify and manage acquisitions and divestitures could adversely impact our future results.
  • Certain adverse conditions have required, and future conditions might require, us to make substantial write-downs in our assets, which have adversely affected or would adversely affect our balance sheet and results of operations.
  • Our growth and success are dependent upon our people. If we lose key personnel and are unable to hire additional qualified personnel in a timely manner, our business may be harmed. A change or deterioration in our relations with our employees could have a materially adverse effect on our business, financial condition and results of operations.
  • Natural disasters or other catastrophic events, including pandemics, could negatively affect our business, financial condition and results of operations.
  • The hazardous waste management business which our Environmental Services segment operates is subject to significant environmental liabilities.
  • The hazardous waste management industry in which we participate is subject to significant economic and business risks.
  • The extensive environmental regulations to which we are subject may increase our costs and potential liabilities and limit our ability to expand our facilities.
  • If our assumptions relating to expansion of our landfills should prove inaccurate, our results of operations and cash flow could be adversely affected.
  • A significant portion of our Environmental Services business depends upon the demand for cleanup of major spills and other remedial projects and regulatory developments over which we have no control.
  • Reductions in the demand for oil products and automotive services in the markets we serve may negatively affect our Safety-Kleen business.
  • Environmental laws and regulations have adversely affected and may adversely affect Safety-Kleen's parts cleaning and other solvent related services.
  • Safety-Kleen is subject to existing and potential product liability lawsuits.
  • Our substantial levels of outstanding debt and letters of credit could adversely affect our financial condition and ability to fulfill our obligations.
  • Despite our substantial levels of outstanding debt and letters of credit, we could incur substantially more debt and letter of credit obligations in the future.
  • The covenants in our debt agreements restrict our ability to operate our business and might lead to a default under our debt agreements.
  • The Massachusetts Business Corporation Act and our By-Laws contain certain anti-takeover provisions.
Content analysis
H.S. sophomore Avg
New words: Absent, adapt, adjudication, Altair, attack, attending, autoclave, availablefor, baseline, burden, CDP, climate, communicable, competitor, contagion, corridor, covenant, deferral, disinfecting, disinfection, distancing, earth, equitycompensation, essential, ethical, exerciseof, exerciseprice, family, Hampshire, Harsco, healthcare, HydroChemPSC, inability, inaugural, inextricably, Investor, issuanceunder, load, lost, match, matching, NaN, nearest, northeast, notable, notably, opposed, optionsand, outbreak, overcome, pandemic, paramount, pillar, postponed, PPE, precautionary, proactive, proactively, published, quantifiable, ready, rebound, recast, remittance, reopening, Rollinsford, routing, securitiesreflected, securitiesremaining, shorter, shuttered, shuttering, situation, sizable, SP, stemming, strain, subcontracting, subsidy, successor, suite, Tervita, thousand, tobe, travel, turnover, umbrella, unclear, vaccination, vi, vision, VPP, wake, Westmorland, widespread, write
Removed: accommodation, accumulating, accumulation, assumption, bad, basically, boring, camp, catering, clearing, client, comparability, conceptual, conversion, convertible, crude, directional, disclosing, drill, efficacy, equipped, exercise, expiring, finalized, geophysical, green, guidance, headquartered, hospitality, hostile, housekeeping, Hydrochem, inaccessible, internalization, Kleen, laundry, leasing, legacy, likelihood, lodge, Lonestar, Newalta, occupancy, parking, payout, powered, predominantly, presently, printing, procurement, provisional, PSC, pursuing, rapid, ratably, recognizing, remeasurement, remote, repatriation, Saskatchewan, seismic, shrink, spot, spread, supplemental, surveying, terrain, Topic, towel, transactional, transition, translating, unrealized, unreleased, USD, wellsite, West