CLEAN HARBORS INC · Hazardous Waste Management

CLH

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The short version

A profitable company with steady sales.

Going well

Profitable
Brings in more cash than it spends

Money moves

No insider buying or selling in the last 30 days
Institutions added 1.8% to their holdings in the quarter ending June 2026 (293 bought, 300 sold)

Facts from SEC filings, not a recommendation.

What the price means

Price as of Oct 26

$317.06-0.5% that day

Company value: $16.8B; Share price times all shares
Price vs profit (P/E): 42.9x; You pay about $43 for each $1 of yearly profit
Price vs sales: 2.8x; Company value is 2.8 times a year of sales
Cash vs value: 3%; Cash as a share of company value
Debt vs value: 17%; Debt as a share of company value

From CLH's last IEX trade and its SEC filings (profits and sales over the last four quarters). A starting point for research, not a verdict.

The business over time

Last 12 quarters, from SEC filings

Sales, Mar '26

$1.5B+1.9% vs a year earlier

Jun '23Tap a barMar '26

Last 12 months: $6.1B, up 1.9% from the 12 months before. Over 5 years, sales grew about 14% a year.

What the price assumes

Your guesses, our math

Move the sliders to your own view of CLH. Starting points are the company's recent numbers.

Sales growth+2% a yearRecently: +1.9% a yearProfit margin7%Last 12 months: 6.5%P/E at the end40xToday: 42.9x. Many steady companies trade at 12x to 25xShare count change0% a yearBelow zero means buybacks; above zero means new shares (dilution)

Sales in 5 years$6.7B

Profit in 5 years$468M

Price these guesses point to$354.41+12% vs $317.06 todayAbout +2.3% a year, before dividends

What today's price needs: with a 7% margin and a 40x P/E, sales could shrink about 0.2% a year for 5 years and still match today's price.

Simple math on your guesses, not a forecast or a price target. Real results depend on many things these sliders leave out.

Price

Price chart by TradingView.

Business quality

The checklist Warren Buffett-style investors use. Annual numbers for 2025.

2/6Weak

MissReturn on equity 15%+Earns a lot on the money owners have in the business.14.7%
MissDebt under half of equityNot relying on borrowed money.1.01x equity
MissNet margin 10%+Keeps at least 10 cents of profit from each dollar of sales.6.5%
MissProfitable every yearSteady profits, not one good year.9 of 10 years
PassFree cash flow positiveBrings in more cash than it spends to run and grow.$441.8M
PassShare count not growingNot diluting owners. Falling means buybacks.-1.4% in 3 years

Revenue: $6.0B; +2.4% vs prior year
5-year growth: +13.9%/yr; revenue, per year
Total debt: $2.8B; 1.01x equity
Current ratio: 2.33x; short-term assets / bills due

From annual reports filed with the SEC. Not in this company's SEC data, so not scored: gross margin 40%+. A checklist is a starting point for research, not a verdict.

Latest quarter

Quarter ended Mar 31, 2026

Reported Jul 29

Revenue: $1.5B; +1.9% YoY
EPS: $1.19; vs $1.09
Op. margin: 8.1%; +0.3 pts
Gross margin: 30.5%; +1.9 pts
Free cash flow: -$92.1M
Share count: -1.9%; vs a year ago

Insider rating

Last 90 days

No open-market insider buys or sells in the last 90 days.

Weekly insider trend

No trades to chart yet.

Filing buzz

Last 7 days vs normal

0/ 100

This week: 0
Normal week: 1.5
vs normal: 0.0x

SEC filings of any kind. 50 means a normal week.

Institutional ownership

Steady+1.8%

Institutions added 1.8% to their holdings. 293 bought, 300 sold.

Shares held by institutions49.4M

Sep '24Jun '26

Safety check

From SEC filings

Share count growthYearly rate, last 3 years

-0.8%

Cash runwayAt last year's cash burn

Cash flow positive

Debt to equityLatest balance sheet: debt compared with what owners have

1.0x · $2.8B debt

Shares outstandingLatest reported

53M

Earnings reports

Last 12

Next reportIn 0 days (est.)Estimated from the same quarter last year

Results filedJul 29
Results filedMay 6
Results filedFeb 18
Results filedOct 29, 2025
Results filedJul 30, 2025

Flags and big holders

Offerings 6 months, flags 12 months, holders 90 days

New 5%+ holder (passive)Aug 6 · View filing ↗Big holder

Insider trades

Open-market buys and sells, last 90 days

No open-market buys or sells in 90 days. Grants and option exercises are left out.

"Owns after" is the insider's holding right after the trade. Pre-planned (10b5-1) sales are set up months ahead, a weaker signal.

Latest filings

Straight from SEC EDGAR

Major agreementOct 5 · Form 8-K ↗Other company newsSep 18 · Form 8-K ↗

SoldEric W GerstenbergCO-CEO

2,500 shares at $321.34 · $803K

-4% of holdings
Now owns 56,793 shares
Not a pre-planned sale
Filed 4 days after trade

Aug 14Form 4 ↗

SoldEric J. DugasEVP CHIEF FINANCIAL OFFICER

2,788 shares at $281.31 · $784K

-12% of holdings
Now owns 20,021 shares
Not a pre-planned sale
Filed 175 days after trade

Feb 20Form 4/A ↗

Returned to companyEric J. DugasEVP CHIEF FINANCIAL OFFICER

1,324 shares

+8% of holdings
Now owns 18,067 shares
Filed 154 days after trade
Also: Shares withheld for taxes

Mar 13Form 4/A ↗

Shares withheld for taxesEric J. DugasEVP CHIEF FINANCIAL OFFICER

447 shares at $290.74 · $130K

-2% of holdings
Now owns 17,620 shares
Filed 44 days after trade

Jul 1Form 4/A ↗

SoldEric W GerstenbergCO-CEO

2,500 shares at $279.86 · $700K

-4% of holdings
Now owns 64,000 shares
Not a pre-planned sale
Filed 172 days after trade

Feb 23Form 4/A ↗

Returned to companyEric W GerstenbergCO-CEO

2,166 shares

+4% of holdings
Now owns 60,857 shares
Filed 154 days after trade
Also: Shares withheld for taxes

Mar 13Form 4/A ↗

Insider trade (amended)Aug 14 · Form 4/A ↗Insider trade (amended)Aug 14 · Form 4/A ↗Planned insider saleAug 14 · Form 144 ↗Insider tradeAug 12 · Form 4 ↗Other company newsAug 12 · Form 8-K ↗Insider tradeAug 11 · Form 4 ↗New 5%+ holder (passive)Aug 6 · Form SCHEDULE 13G ↗

Source: SEC EDGAR filings. For informational purposes. Not investment advice.

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